From 553d9c7d470dcf2dadbfefb409cb13314c79fd9d Mon Sep 17 00:00:00 2001 From: Aditya Naik Date: Tue, 24 Mar 2020 13:53:44 -0400 Subject: Initial working MDR request, now ACK --- .gitignore | 4 +- Inc/config.h | 6 + Inc/devices.h | 27 + Inc/handshake.pb.h | 133 ++++ Inc/main.h | 73 ++ Inc/pb.h | 830 ++++++++++++++++++++++ Inc/pb_common.h | 45 ++ Inc/pb_decode.h | 193 ++++++ Inc/pb_encode.h | 185 +++++ Inc/stm32f4xx_hal_conf.h | 443 ++++++++++++ Inc/stm32f4xx_it.h | 69 ++ Makefile | 85 +-- Src/handshake.pb.c | 24 + Src/handshake.proto | 40 ++ Src/main.c | 454 ++++++++++++ Src/pb_common.c | 336 +++++++++ Src/pb_decode.c | 1735 ++++++++++++++++++++++++++++++++++++++++++++++ Src/pb_encode.c | 958 +++++++++++++++++++++++++ Src/stm32f4xx_hal_msp.c | 214 ++++++ Src/stm32f4xx_it.c | 203 ++++++ Src/system_stm32f4xx.c | 743 ++++++++++++++++++++ master.ioc | 19 +- src/main.c | 86 ++- src/main.h | 2 - 24 files changed, 6837 insertions(+), 70 deletions(-) create mode 100644 Inc/config.h create mode 100644 Inc/devices.h create mode 100644 Inc/handshake.pb.h create mode 100644 Inc/main.h create mode 100644 Inc/pb.h create mode 100644 Inc/pb_common.h create mode 100644 Inc/pb_decode.h create mode 100644 Inc/pb_encode.h create mode 100644 Inc/stm32f4xx_hal_conf.h create mode 100644 Inc/stm32f4xx_it.h create mode 100644 Src/handshake.pb.c create mode 100644 Src/handshake.proto create mode 100644 Src/main.c create mode 100644 Src/pb_common.c create mode 100644 Src/pb_decode.c create mode 100644 Src/pb_encode.c create mode 100644 Src/stm32f4xx_hal_msp.c create mode 100644 Src/stm32f4xx_it.c create mode 100644 Src/system_stm32f4xx.c diff --git a/.gitignore b/.gitignore index aa0b517..554ca6b 100644 --- a/.gitignore +++ b/.gitignore @@ -9,4 +9,6 @@ MDK-ARM/EventRecorderStub.scvd uctrl-firmware.txt .mxproject *.o -*.bin \ No newline at end of file +*.bin +src/ +MDK-ARM/ \ No newline at end of file diff --git a/Inc/config.h b/Inc/config.h new file mode 100644 index 0000000..7e4f53b --- /dev/null +++ b/Inc/config.h @@ -0,0 +1,6 @@ + +/* Enable debug mode */ +#define DEBUG_ENABLE 1 + +/* Enable testing mode with granualar status notifications */ +#define TESTING_ENABLE 1 diff --git a/Inc/devices.h b/Inc/devices.h new file mode 100644 index 0000000..c886e68 --- /dev/null +++ b/Inc/devices.h @@ -0,0 +1,27 @@ + +#include "handshake.pb.h" + +#define _MDR s2m_MDR_response + +typedef struct _device_info { + uint8_t device_id; + uint8_t i2c_addr; + _MDR MDR; + + uint32_t subscription_requests[4]; /* Subscriptions to this device */ + uint32_t subscriptions[4]; /* Subscriptions by this device */ +} device_info_t; + +typedef struct _subscription_info { + uint8_t module_ids[128]; + uint8_t entity_ids[128]; + uint8_t module_class[3]; + uint8_t i2c_address[128]; + uint8_t mod_idx, entity_idx, class_idx, i2c_idx; +} subscription_info_t; + +typedef enum _status { + OFFLINE = 0, + CONNECTED = 1, + REGISTERED = 2 +} state; diff --git a/Inc/handshake.pb.h b/Inc/handshake.pb.h new file mode 100644 index 0000000..67f10e6 --- /dev/null +++ b/Inc/handshake.pb.h @@ -0,0 +1,133 @@ +/* Automatically generated nanopb header */ +/* Generated by nanopb-0.4.2-dev */ + +#ifndef PB_HANDSHAKE_PB_H_INCLUDED +#define PB_HANDSHAKE_PB_H_INCLUDED +#include + +#if PB_PROTO_HEADER_VERSION != 40 +#error Regenerate this file with the current version of nanopb generator. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Struct definitions */ +typedef struct __subscriptions { + bool has_module_id; + uint32_t module_id; + bool has_entity_id; + uint32_t entity_id; + bool has_module_class; + uint32_t module_class; + bool has_i2c_address; + uint32_t i2c_address; +} _subscriptions; + +typedef struct _m2s_MDR_request { + uint32_t record_type; +} m2s_MDR_request; + +typedef struct _m2s_MDR_res_CTS { + uint32_t timeout; +} m2s_MDR_res_CTS; + +typedef struct _s2m_MDR_req_ACK { + uint32_t MDR_res_length; +} s2m_MDR_req_ACK; + +typedef struct _s2m_MDR_response { + float MDR_version; + uint32_t module_id; + uint32_t module_class; + uint32_t entity_id; + pb_callback_t subscriptions; +} s2m_MDR_response; + + +/* Initializer values for message structs */ +#define m2s_MDR_request_init_default {0} +#define s2m_MDR_req_ACK_init_default {0} +#define m2s_MDR_res_CTS_init_default {0} +#define _subscriptions_init_default {false, 0u, false, 0u, false, 0u, false, 0u} +#define s2m_MDR_response_init_default {0, 0, 0, 0, {{NULL}, NULL}} +#define m2s_MDR_request_init_zero {0} +#define s2m_MDR_req_ACK_init_zero {0} +#define m2s_MDR_res_CTS_init_zero {0} +#define _subscriptions_init_zero {false, 0, false, 0, false, 0, false, 0} +#define s2m_MDR_response_init_zero {0, 0, 0, 0, {{NULL}, NULL}} + +/* Field tags (for use in manual encoding/decoding) */ +#define _subscriptions_module_id_tag 1 +#define _subscriptions_entity_id_tag 2 +#define _subscriptions_module_class_tag 3 +#define _subscriptions_i2c_address_tag 4 +#define m2s_MDR_request_record_type_tag 1 +#define m2s_MDR_res_CTS_timeout_tag 1 +#define s2m_MDR_req_ACK_MDR_res_length_tag 1 +#define s2m_MDR_response_MDR_version_tag 1 +#define s2m_MDR_response_module_id_tag 2 +#define s2m_MDR_response_module_class_tag 3 +#define s2m_MDR_response_entity_id_tag 4 +#define s2m_MDR_response_subscriptions_tag 5 + +/* Struct field encoding specification for nanopb */ +#define m2s_MDR_request_FIELDLIST(X, a) \ +X(a, STATIC, REQUIRED, UINT32, record_type, 1) +#define m2s_MDR_request_CALLBACK NULL +#define m2s_MDR_request_DEFAULT NULL + +#define s2m_MDR_req_ACK_FIELDLIST(X, a) \ +X(a, STATIC, REQUIRED, UINT32, MDR_res_length, 1) +#define s2m_MDR_req_ACK_CALLBACK NULL +#define s2m_MDR_req_ACK_DEFAULT NULL + +#define m2s_MDR_res_CTS_FIELDLIST(X, a) \ +X(a, STATIC, REQUIRED, UINT32, timeout, 1) +#define m2s_MDR_res_CTS_CALLBACK NULL +#define m2s_MDR_res_CTS_DEFAULT NULL + +#define _subscriptions_FIELDLIST(X, a) \ +X(a, STATIC, OPTIONAL, UINT32, module_id, 1) \ +X(a, STATIC, OPTIONAL, UINT32, entity_id, 2) \ +X(a, STATIC, OPTIONAL, UINT32, module_class, 3) \ +X(a, STATIC, OPTIONAL, UINT32, i2c_address, 4) +#define _subscriptions_CALLBACK NULL +#define _subscriptions_DEFAULT (const pb_byte_t*)"\x08\x00\x10\x00\x18\x00\x20\x00\x00" + +#define s2m_MDR_response_FIELDLIST(X, a) \ +X(a, STATIC, REQUIRED, FLOAT, MDR_version, 1) \ +X(a, STATIC, REQUIRED, UINT32, module_id, 2) \ +X(a, STATIC, REQUIRED, UINT32, module_class, 3) \ +X(a, STATIC, REQUIRED, UINT32, entity_id, 4) \ +X(a, CALLBACK, REPEATED, MESSAGE, subscriptions, 5) +#define s2m_MDR_response_CALLBACK pb_default_field_callback +#define s2m_MDR_response_DEFAULT NULL +#define s2m_MDR_response_subscriptions_MSGTYPE _subscriptions + +extern const pb_msgdesc_t m2s_MDR_request_msg; +extern const pb_msgdesc_t s2m_MDR_req_ACK_msg; +extern const pb_msgdesc_t m2s_MDR_res_CTS_msg; +extern const pb_msgdesc_t _subscriptions_msg; +extern const pb_msgdesc_t s2m_MDR_response_msg; + +/* Defines for backwards compatibility with code written before nanopb-0.4.0 */ +#define m2s_MDR_request_fields &m2s_MDR_request_msg +#define s2m_MDR_req_ACK_fields &s2m_MDR_req_ACK_msg +#define m2s_MDR_res_CTS_fields &m2s_MDR_res_CTS_msg +#define _subscriptions_fields &_subscriptions_msg +#define s2m_MDR_response_fields &s2m_MDR_response_msg + +/* Maximum encoded size of messages (where known) */ +#define m2s_MDR_request_size 6 +#define s2m_MDR_req_ACK_size 6 +#define m2s_MDR_res_CTS_size 6 +#define _subscriptions_size 24 +/* s2m_MDR_response_size depends on runtime parameters */ + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/Inc/main.h b/Inc/main.h new file mode 100644 index 0000000..5d4be41 --- /dev/null +++ b/Inc/main.h @@ -0,0 +1,73 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file : main.h + * @brief : Header for main.c file. + * This file contains the common defines of the application. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __MAIN_H +#define __MAIN_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal.h" + +/* Private includes ----------------------------------------------------------*/ +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* Exported types ------------------------------------------------------------*/ +/* USER CODE BEGIN ET */ + +/* USER CODE END ET */ + +/* Exported constants --------------------------------------------------------*/ +/* USER CODE BEGIN EC */ + +/* USER CODE END EC */ + +/* Exported macro ------------------------------------------------------------*/ +/* USER CODE BEGIN EM */ + +/* USER CODE END EM */ + +/* Exported functions prototypes ---------------------------------------------*/ +void Error_Handler(void); + +/* USER CODE BEGIN EFP */ + +/* USER CODE END EFP */ + +/* Private defines -----------------------------------------------------------*/ +#define led_Pin GPIO_PIN_13 +#define led_GPIO_Port GPIOC +/* USER CODE BEGIN Private defines */ + +/* USER CODE END Private defines */ + +#ifdef __cplusplus +} +#endif + +#endif /* __MAIN_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Inc/pb.h b/Inc/pb.h new file mode 100644 index 0000000..fc0f387 --- /dev/null +++ b/Inc/pb.h @@ -0,0 +1,830 @@ +/* Common parts of the nanopb library. Most of these are quite low-level + * stuff. For the high-level interface, see pb_encode.h and pb_decode.h. + */ + +#ifndef PB_H_INCLUDED +#define PB_H_INCLUDED + +/***************************************************************** + * Nanopb compilation time options. You can change these here by * + * uncommenting the lines, or on the compiler command line. * + *****************************************************************/ + +/* Enable support for dynamically allocated fields */ +#define PB_ENABLE_MALLOC 1 + +/* Define this if your CPU / compiler combination does not support + * unaligned memory access to packed structures. */ +/* #define PB_NO_PACKED_STRUCTS 1 */ + +/* Increase the number of required fields that are tracked. + * A compiler warning will tell if you need this. */ +/* #define PB_MAX_REQUIRED_FIELDS 256 */ + +/* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */ +/* #define PB_FIELD_32BIT 1 */ + +/* Disable support for error messages in order to save some code space. */ +/* #define PB_NO_ERRMSG 1 */ + +/* Disable support for custom streams (support only memory buffers). */ +#define PB_BUFFER_ONLY 1 + +/* Disable support for 64-bit datatypes, for compilers without int64_t + or to save some code space. */ +/* #define PB_WITHOUT_64BIT 1 */ + +/* Don't encode scalar arrays as packed. This is only to be used when + * the decoder on the receiving side cannot process packed scalar arrays. + * Such example is older protobuf.js. */ +/* #define PB_ENCODE_ARRAYS_UNPACKED 1 */ + +/* Enable conversion of doubles to floats for platforms that do not + * support 64-bit doubles. Most commonly AVR. */ +/* #define PB_CONVERT_DOUBLE_FLOAT 1 */ + +/* Check whether incoming strings are valid UTF-8 sequences. Slows down + * the string processing slightly and slightly increases code size. */ +/* #define PB_VALIDATE_UTF8 1 */ + +/****************************************************************** + * You usually don't need to change anything below this line. * + * Feel free to look around and use the defined macros, though. * + ******************************************************************/ + + +/* Version of the nanopb library. Just in case you want to check it in + * your own program. */ +#define NANOPB_VERSION nanopb-0.4.2-dev + +/* Include all the system headers needed by nanopb. You will need the + * definitions of the following: + * - strlen, memcpy, memset functions + * - [u]int_least8_t, uint_fast8_t, [u]int_least16_t, [u]int32_t, [u]int64_t + * - size_t + * - bool + * + * If you don't have the standard header files, you can instead provide + * a custom header that defines or includes all this. In that case, + * define PB_SYSTEM_HEADER to the path of this file. + */ +#ifdef PB_SYSTEM_HEADER +#include PB_SYSTEM_HEADER +#else +#include +#include +#include +#include +#include + +#ifdef PB_ENABLE_MALLOC +#include +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Macro for defining packed structures (compiler dependent). + * This just reduces memory requirements, but is not required. + */ +#if defined(PB_NO_PACKED_STRUCTS) + /* Disable struct packing */ +# define PB_PACKED_STRUCT_START +# define PB_PACKED_STRUCT_END +# define pb_packed +#elif defined(__GNUC__) || defined(__clang__) + /* For GCC and clang */ +# define PB_PACKED_STRUCT_START +# define PB_PACKED_STRUCT_END +# define pb_packed __attribute__((packed)) +#elif defined(__ICCARM__) || defined(__CC_ARM) + /* For IAR ARM and Keil MDK-ARM compilers */ +# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)") +# define PB_PACKED_STRUCT_END _Pragma("pack(pop)") +# define pb_packed +#elif defined(_MSC_VER) && (_MSC_VER >= 1500) + /* For Microsoft Visual C++ */ +# define PB_PACKED_STRUCT_START __pragma(pack(push, 1)) +# define PB_PACKED_STRUCT_END __pragma(pack(pop)) +# define pb_packed +#else + /* Unknown compiler */ +# define PB_PACKED_STRUCT_START +# define PB_PACKED_STRUCT_END +# define pb_packed +#endif + +/* Handly macro for suppressing unreferenced-parameter compiler warnings. */ +#ifndef PB_UNUSED +#define PB_UNUSED(x) (void)(x) +#endif + +/* Harvard-architecture processors may need special attributes for storing + * field information in program memory. */ +#ifndef PB_PROGMEM +#ifdef __AVR__ +#include +#define PB_PROGMEM PROGMEM +#define PB_PROGMEM_READU32(x) pgm_read_dword(&x) +#else +#define PB_PROGMEM +#define PB_PROGMEM_READU32(x) (x) +#endif +#endif + +/* Compile-time assertion, used for checking compatible compilation options. + * If this does not work properly on your compiler, use + * #define PB_NO_STATIC_ASSERT to disable it. + * + * But before doing that, check carefully the error message / place where it + * comes from to see if the error has a real cause. Unfortunately the error + * message is not always very clear to read, but you can see the reason better + * in the place where the PB_STATIC_ASSERT macro was called. + */ +#ifndef PB_NO_STATIC_ASSERT +# ifndef PB_STATIC_ASSERT +# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L + /* C11 standard _Static_assert mechanism */ +# define PB_STATIC_ASSERT(COND,MSG) _Static_assert(COND,#MSG); +# else + /* Classic negative-size-array static assert mechanism */ +# define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1]; +# define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) +# define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##_##LINE##_##COUNTER +# endif +# endif +#else + /* Static asserts disabled by PB_NO_STATIC_ASSERT */ +# define PB_STATIC_ASSERT(COND,MSG) +#endif + +/* Number of required fields to keep track of. */ +#ifndef PB_MAX_REQUIRED_FIELDS +#define PB_MAX_REQUIRED_FIELDS 64 +#endif + +#if PB_MAX_REQUIRED_FIELDS < 64 +#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64). +#endif + +#ifdef PB_WITHOUT_64BIT +#ifdef PB_CONVERT_DOUBLE_FLOAT +/* Cannot use doubles without 64-bit types */ +#undef PB_CONVERT_DOUBLE_FLOAT +#endif +#endif + +/* List of possible field types. These are used in the autogenerated code. + * Least-significant 4 bits tell the scalar type + * Most-significant 4 bits specify repeated/required/packed etc. + */ + +typedef uint_least8_t pb_type_t; + +/**** Field data types ****/ + +/* Numeric types */ +#define PB_LTYPE_BOOL 0x00U /* bool */ +#define PB_LTYPE_VARINT 0x01U /* int32, int64, enum, bool */ +#define PB_LTYPE_UVARINT 0x02U /* uint32, uint64 */ +#define PB_LTYPE_SVARINT 0x03U /* sint32, sint64 */ +#define PB_LTYPE_FIXED32 0x04U /* fixed32, sfixed32, float */ +#define PB_LTYPE_FIXED64 0x05U /* fixed64, sfixed64, double */ + +/* Marker for last packable field type. */ +#define PB_LTYPE_LAST_PACKABLE 0x05U + +/* Byte array with pre-allocated buffer. + * data_size is the length of the allocated PB_BYTES_ARRAY structure. */ +#define PB_LTYPE_BYTES 0x06U + +/* String with pre-allocated buffer. + * data_size is the maximum length. */ +#define PB_LTYPE_STRING 0x07U + +/* Submessage + * submsg_fields is pointer to field descriptions */ +#define PB_LTYPE_SUBMESSAGE 0x08U + +/* Submessage with pre-decoding callback + * The pre-decoding callback is stored as pb_callback_t right before pSize. + * submsg_fields is pointer to field descriptions */ +#define PB_LTYPE_SUBMSG_W_CB 0x09U + +/* Extension pseudo-field + * The field contains a pointer to pb_extension_t */ +#define PB_LTYPE_EXTENSION 0x0AU + +/* Byte array with inline, pre-allocated byffer. + * data_size is the length of the inline, allocated buffer. + * This differs from PB_LTYPE_BYTES by defining the element as + * pb_byte_t[data_size] rather than pb_bytes_array_t. */ +#define PB_LTYPE_FIXED_LENGTH_BYTES 0x0BU + +/* Number of declared LTYPES */ +#define PB_LTYPES_COUNT 0x0CU +#define PB_LTYPE_MASK 0x0FU + +/**** Field repetition rules ****/ + +#define PB_HTYPE_REQUIRED 0x00U +#define PB_HTYPE_OPTIONAL 0x10U +#define PB_HTYPE_SINGULAR 0x10U +#define PB_HTYPE_REPEATED 0x20U +#define PB_HTYPE_FIXARRAY 0x20U +#define PB_HTYPE_ONEOF 0x30U +#define PB_HTYPE_MASK 0x30U + +/**** Field allocation types ****/ + +#define PB_ATYPE_STATIC 0x00U +#define PB_ATYPE_POINTER 0x80U +#define PB_ATYPE_CALLBACK 0x40U +#define PB_ATYPE_MASK 0xC0U + +#define PB_ATYPE(x) ((x) & PB_ATYPE_MASK) +#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK) +#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK) +#define PB_LTYPE_IS_SUBMSG(x) (PB_LTYPE(x) == PB_LTYPE_SUBMESSAGE || \ + PB_LTYPE(x) == PB_LTYPE_SUBMSG_W_CB) + +/* Data type used for storing sizes of struct fields + * and array counts. + */ +#if defined(PB_FIELD_32BIT) + typedef uint32_t pb_size_t; + typedef int32_t pb_ssize_t; +#else + typedef uint_least16_t pb_size_t; + typedef int_least16_t pb_ssize_t; +#endif +#define PB_SIZE_MAX ((pb_size_t)-1) + +/* Data type for storing encoded data and other byte streams. + * This typedef exists to support platforms where uint8_t does not exist. + * You can regard it as equivalent on uint8_t on other platforms. + */ +typedef uint_least8_t pb_byte_t; + +/* Forward declaration of struct types */ +typedef struct pb_istream_s pb_istream_t; +typedef struct pb_ostream_s pb_ostream_t; +typedef struct pb_field_iter_s pb_field_iter_t; + +/* This structure is used in auto-generated constants + * to specify struct fields. + */ +PB_PACKED_STRUCT_START +typedef struct pb_msgdesc_s pb_msgdesc_t; +struct pb_msgdesc_s { + pb_size_t field_count; + const uint32_t *field_info; + const pb_msgdesc_t * const * submsg_info; + const pb_byte_t *default_value; + + bool (*field_callback)(pb_istream_t *istream, pb_ostream_t *ostream, const pb_field_iter_t *field); +} pb_packed; +PB_PACKED_STRUCT_END + +/* Iterator for message descriptor */ +struct pb_field_iter_s { + const pb_msgdesc_t *descriptor; /* Pointer to message descriptor constant */ + void *message; /* Pointer to start of the structure */ + + pb_size_t index; /* Index of the field */ + pb_size_t field_info_index; /* Index to descriptor->field_info array */ + pb_size_t required_field_index; /* Index that counts only the required fields */ + pb_size_t submessage_index; /* Index that counts only submessages */ + + pb_size_t tag; /* Tag of current field */ + pb_size_t data_size; /* sizeof() of a single item */ + pb_size_t array_size; /* Number of array entries */ + pb_type_t type; /* Type of current field */ + + void *pField; /* Pointer to current field in struct */ + void *pData; /* Pointer to current data contents. Different than pField for arrays and pointers. */ + void *pSize; /* Pointer to count/has field */ + + const pb_msgdesc_t *submsg_desc; /* For submessage fields, pointer to field descriptor for the submessage. */ +}; + +/* For compatibility with legacy code */ +typedef pb_field_iter_t pb_field_t; + +/* Make sure that the standard integer types are of the expected sizes. + * Otherwise fixed32/fixed64 fields can break. + * + * If you get errors here, it probably means that your stdint.h is not + * correct for your platform. + */ +#ifndef PB_WITHOUT_64BIT +PB_STATIC_ASSERT(sizeof(int64_t) == 2 * sizeof(int32_t), INT64_T_WRONG_SIZE) +PB_STATIC_ASSERT(sizeof(uint64_t) == 2 * sizeof(uint32_t), UINT64_T_WRONG_SIZE) +#endif + +/* This structure is used for 'bytes' arrays. + * It has the number of bytes in the beginning, and after that an array. + * Note that actual structs used will have a different length of bytes array. + */ +#define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; pb_byte_t bytes[n]; } +#define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes)) + +struct pb_bytes_array_s { + pb_size_t size; + pb_byte_t bytes[1]; +}; +typedef struct pb_bytes_array_s pb_bytes_array_t; + +/* This structure is used for giving the callback function. + * It is stored in the message structure and filled in by the method that + * calls pb_decode. + * + * The decoding callback will be given a limited-length stream + * If the wire type was string, the length is the length of the string. + * If the wire type was a varint/fixed32/fixed64, the length is the length + * of the actual value. + * The function may be called multiple times (especially for repeated types, + * but also otherwise if the message happens to contain the field multiple + * times.) + * + * The encoding callback will receive the actual output stream. + * It should write all the data in one call, including the field tag and + * wire type. It can write multiple fields. + * + * The callback can be null if you want to skip a field. + */ +typedef struct pb_callback_s pb_callback_t; +struct pb_callback_s { + /* Callback functions receive a pointer to the arg field. + * You can access the value of the field as *arg, and modify it if needed. + */ + union { + bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void **arg); + bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, void * const *arg); + } funcs; + + /* Free arg for use by callback */ + void *arg; +}; + +extern bool pb_default_field_callback(pb_istream_t *istream, pb_ostream_t *ostream, const pb_field_t *field); + +/* Wire types. Library user needs these only in encoder callbacks. */ +typedef enum { + PB_WT_VARINT = 0, + PB_WT_64BIT = 1, + PB_WT_STRING = 2, + PB_WT_32BIT = 5 +} pb_wire_type_t; + +/* Structure for defining the handling of unknown/extension fields. + * Usually the pb_extension_type_t structure is automatically generated, + * while the pb_extension_t structure is created by the user. However, + * if you want to catch all unknown fields, you can also create a custom + * pb_extension_type_t with your own callback. + */ +typedef struct pb_extension_type_s pb_extension_type_t; +typedef struct pb_extension_s pb_extension_t; +struct pb_extension_type_s { + /* Called for each unknown field in the message. + * If you handle the field, read off all of its data and return true. + * If you do not handle the field, do not read anything and return true. + * If you run into an error, return false. + * Set to NULL for default handler. + */ + bool (*decode)(pb_istream_t *stream, pb_extension_t *extension, + uint32_t tag, pb_wire_type_t wire_type); + + /* Called once after all regular fields have been encoded. + * If you have something to write, do so and return true. + * If you do not have anything to write, just return true. + * If you run into an error, return false. + * Set to NULL for default handler. + */ + bool (*encode)(pb_ostream_t *stream, const pb_extension_t *extension); + + /* Free field for use by the callback. */ + const void *arg; +}; + +struct pb_extension_s { + /* Type describing the extension field. Usually you'll initialize + * this to a pointer to the automatically generated structure. */ + const pb_extension_type_t *type; + + /* Destination for the decoded data. This must match the datatype + * of the extension field. */ + void *dest; + + /* Pointer to the next extension handler, or NULL. + * If this extension does not match a field, the next handler is + * automatically called. */ + pb_extension_t *next; + + /* The decoder sets this to true if the extension was found. + * Ignored for encoding. */ + bool found; +}; + +#define pb_extension_init_zero {NULL,NULL,NULL,false} + +/* Memory allocation functions to use. You can define pb_realloc and + * pb_free to custom functions if you want. */ +#ifdef PB_ENABLE_MALLOC +# ifndef pb_realloc +# define pb_realloc(ptr, size) realloc(ptr, size) +# endif +# ifndef pb_free +# define pb_free(ptr) free(ptr) +# endif +#endif + +/* This is used to inform about need to regenerate .pb.h/.pb.c files. */ +#define PB_PROTO_HEADER_VERSION 40 + +/* These macros are used to declare pb_field_t's in the constant array. */ +/* Size of a structure member, in bytes. */ +#define pb_membersize(st, m) (sizeof ((st*)0)->m) +/* Number of entries in an array. */ +#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0])) +/* Delta from start of one member to the start of another member. */ +#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2)) + +/* Force expansion of macro value */ +#define PB_EXPAND(x) x + +/* Binding of a message field set into a specific structure */ +#define PB_BIND(msgname, structname, width) \ + const uint32_t structname ## _field_info[] PB_PROGMEM = \ + { \ + msgname ## _FIELDLIST(PB_GEN_FIELD_INFO_ ## width, structname) \ + 0 \ + }; \ + const pb_msgdesc_t* const structname ## _submsg_info[] = \ + { \ + msgname ## _FIELDLIST(PB_GEN_SUBMSG_INFO, structname) \ + NULL \ + }; \ + const pb_msgdesc_t structname ## _msg = \ + { \ + 0 msgname ## _FIELDLIST(PB_GEN_FIELD_COUNT, structname), \ + structname ## _field_info, \ + structname ## _submsg_info, \ + msgname ## _DEFAULT, \ + msgname ## _CALLBACK, \ + }; \ + msgname ## _FIELDLIST(PB_GEN_FIELD_INFO_ASSERT_ ## width, structname) + +#define PB_GEN_FIELD_COUNT(structname, atype, htype, ltype, fieldname, tag) +1 + +#define PB_GEN_FIELD_INFO_1(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO(1, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_2(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO(2, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_4(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO(4, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_8(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO(8, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_AUTO(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_AUTO2(PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype), structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_AUTO2(width, structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO(width, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO(width, structname, atype, htype, ltype, fieldname, tag) \ + PB_FIELDINFO_ ## width(tag, PB_ATYPE_ ## atype | PB_HTYPE_ ## htype | PB_LTYPE_MAP_ ## ltype, \ + PB_DATA_OFFSET_ ## atype(htype, structname, fieldname), \ + PB_DATA_SIZE_ ## atype(htype, structname, fieldname), \ + PB_SIZE_OFFSET_ ## atype(htype, structname, fieldname), \ + PB_ARRAY_SIZE_ ## atype(htype, structname, fieldname)) + +#define PB_GEN_FIELD_INFO_ASSERT_1(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT(1, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT_2(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT(2, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT_4(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT(4, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT_8(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT(8, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT_AUTO(structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT_AUTO2(PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype), structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT_AUTO2(width, structname, atype, htype, ltype, fieldname, tag) \ + PB_GEN_FIELD_INFO_ASSERT(width, structname, atype, htype, ltype, fieldname, tag) + +#define PB_GEN_FIELD_INFO_ASSERT(width, structname, atype, htype, ltype, fieldname, tag) \ + PB_FIELDINFO_ASSERT_ ## width(tag, PB_ATYPE_ ## atype | PB_HTYPE_ ## htype | PB_LTYPE_MAP_ ## ltype, \ + PB_DATA_OFFSET_ ## atype(htype, structname, fieldname), \ + PB_DATA_SIZE_ ## atype(htype, structname, fieldname), \ + PB_SIZE_OFFSET_ ## atype(htype, structname, fieldname), \ + PB_ARRAY_SIZE_ ## atype(htype, structname, fieldname)) + +#define PB_DATA_OFFSET_STATIC(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname) +#define PB_DATA_OFFSET_POINTER(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname) +#define PB_DATA_OFFSET_CALLBACK(htype, structname, fieldname) PB_DATA_OFFSET_ ## htype(structname, fieldname) +#define PB_DATA_OFFSET_REQUIRED(structname, fieldname) offsetof(structname, fieldname) +#define PB_DATA_OFFSET_SINGULAR(structname, fieldname) offsetof(structname, fieldname) +#define PB_DATA_OFFSET_ONEOF(structname, fieldname) offsetof(structname, PB_ONEOF_NAME(FULL, fieldname)) +#define PB_DATA_OFFSET_OPTIONAL(structname, fieldname) offsetof(structname, fieldname) +#define PB_DATA_OFFSET_REPEATED(structname, fieldname) offsetof(structname, fieldname) +#define PB_DATA_OFFSET_FIXARRAY(structname, fieldname) offsetof(structname, fieldname) + +#define PB_SIZE_OFFSET_STATIC(htype, structname, fieldname) PB_SIZE_OFFSET_ ## htype(structname, fieldname) +#define PB_SIZE_OFFSET_POINTER(htype, structname, fieldname) PB_SIZE_OFFSET_PTR_ ## htype(structname, fieldname) +#define PB_SIZE_OFFSET_CALLBACK(htype, structname, fieldname) PB_SIZE_OFFSET_CB_ ## htype(structname, fieldname) +#define PB_SIZE_OFFSET_REQUIRED(structname, fieldname) 0 +#define PB_SIZE_OFFSET_SINGULAR(structname, fieldname) 0 +#define PB_SIZE_OFFSET_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF2(structname, PB_ONEOF_NAME(FULL, fieldname), PB_ONEOF_NAME(UNION, fieldname)) +#define PB_SIZE_OFFSET_ONEOF2(structname, fullname, unionname) PB_SIZE_OFFSET_ONEOF3(structname, fullname, unionname) +#define PB_SIZE_OFFSET_ONEOF3(structname, fullname, unionname) pb_delta(structname, fullname, which_ ## unionname) +#define PB_SIZE_OFFSET_OPTIONAL(structname, fieldname) pb_delta(structname, fieldname, has_ ## fieldname) +#define PB_SIZE_OFFSET_REPEATED(structname, fieldname) pb_delta(structname, fieldname, fieldname ## _count) +#define PB_SIZE_OFFSET_FIXARRAY(structname, fieldname) 0 +#define PB_SIZE_OFFSET_PTR_REQUIRED(structname, fieldname) 0 +#define PB_SIZE_OFFSET_PTR_SINGULAR(structname, fieldname) 0 +#define PB_SIZE_OFFSET_PTR_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF(structname, fieldname) +#define PB_SIZE_OFFSET_PTR_OPTIONAL(structname, fieldname) 0 +#define PB_SIZE_OFFSET_PTR_REPEATED(structname, fieldname) PB_SIZE_OFFSET_REPEATED(structname, fieldname) +#define PB_SIZE_OFFSET_PTR_FIXARRAY(structname, fieldname) 0 +#define PB_SIZE_OFFSET_CB_REQUIRED(structname, fieldname) 0 +#define PB_SIZE_OFFSET_CB_SINGULAR(structname, fieldname) 0 +#define PB_SIZE_OFFSET_CB_ONEOF(structname, fieldname) PB_SIZE_OFFSET_ONEOF(structname, fieldname) +#define PB_SIZE_OFFSET_CB_OPTIONAL(structname, fieldname) 0 +#define PB_SIZE_OFFSET_CB_REPEATED(structname, fieldname) 0 +#define PB_SIZE_OFFSET_CB_FIXARRAY(structname, fieldname) 0 + +#define PB_ARRAY_SIZE_STATIC(htype, structname, fieldname) PB_ARRAY_SIZE_ ## htype(structname, fieldname) +#define PB_ARRAY_SIZE_POINTER(htype, structname, fieldname) PB_ARRAY_SIZE_PTR_ ## htype(structname, fieldname) +#define PB_ARRAY_SIZE_CALLBACK(htype, structname, fieldname) 1 +#define PB_ARRAY_SIZE_REQUIRED(structname, fieldname) 1 +#define PB_ARRAY_SIZE_SINGULAR(structname, fieldname) 1 +#define PB_ARRAY_SIZE_OPTIONAL(structname, fieldname) 1 +#define PB_ARRAY_SIZE_ONEOF(structname, fieldname) 1 +#define PB_ARRAY_SIZE_REPEATED(structname, fieldname) pb_arraysize(structname, fieldname) +#define PB_ARRAY_SIZE_FIXARRAY(structname, fieldname) pb_arraysize(structname, fieldname) +#define PB_ARRAY_SIZE_PTR_REQUIRED(structname, fieldname) 1 +#define PB_ARRAY_SIZE_PTR_SINGULAR(structname, fieldname) 1 +#define PB_ARRAY_SIZE_PTR_OPTIONAL(structname, fieldname) 1 +#define PB_ARRAY_SIZE_PTR_ONEOF(structname, fieldname) 1 +#define PB_ARRAY_SIZE_PTR_REPEATED(structname, fieldname) 1 +#define PB_ARRAY_SIZE_PTR_FIXARRAY(structname, fieldname) pb_arraysize(structname, fieldname[0]) + +#define PB_DATA_SIZE_STATIC(htype, structname, fieldname) PB_DATA_SIZE_ ## htype(structname, fieldname) +#define PB_DATA_SIZE_POINTER(htype, structname, fieldname) PB_DATA_SIZE_PTR_ ## htype(structname, fieldname) +#define PB_DATA_SIZE_CALLBACK(htype, structname, fieldname) PB_DATA_SIZE_CB_ ## htype(structname, fieldname) +#define PB_DATA_SIZE_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname)) +#define PB_DATA_SIZE_REPEATED(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_PTR_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_PTR_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_PTR_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_PTR_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname)[0]) +#define PB_DATA_SIZE_PTR_REPEATED(structname, fieldname) pb_membersize(structname, fieldname[0]) +#define PB_DATA_SIZE_PTR_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname[0][0]) +#define PB_DATA_SIZE_CB_REQUIRED(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_CB_SINGULAR(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_CB_OPTIONAL(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_CB_ONEOF(structname, fieldname) pb_membersize(structname, PB_ONEOF_NAME(FULL, fieldname)) +#define PB_DATA_SIZE_CB_REPEATED(structname, fieldname) pb_membersize(structname, fieldname) +#define PB_DATA_SIZE_CB_FIXARRAY(structname, fieldname) pb_membersize(structname, fieldname) + +#define PB_ONEOF_NAME(type, tuple) PB_EXPAND(PB_ONEOF_NAME_ ## type tuple) +#define PB_ONEOF_NAME_UNION(unionname,membername,fullname) unionname +#define PB_ONEOF_NAME_MEMBER(unionname,membername,fullname) membername +#define PB_ONEOF_NAME_FULL(unionname,membername,fullname) fullname + +#define PB_GEN_SUBMSG_INFO(structname, atype, htype, ltype, fieldname, tag) \ + PB_SUBMSG_INFO_ ## htype(ltype, structname, fieldname) + +#define PB_SUBMSG_INFO_REQUIRED(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE) +#define PB_SUBMSG_INFO_SINGULAR(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE) +#define PB_SUBMSG_INFO_OPTIONAL(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE) +#define PB_SUBMSG_INFO_ONEOF(ltype, structname, fieldname) PB_SUBMSG_INFO_ONEOF2(ltype, structname, PB_ONEOF_NAME(UNION, fieldname), PB_ONEOF_NAME(MEMBER, fieldname)) +#define PB_SUBMSG_INFO_ONEOF2(ltype, structname, unionname, membername) PB_SUBMSG_INFO_ONEOF3(ltype, structname, unionname, membername) +#define PB_SUBMSG_INFO_ONEOF3(ltype, structname, unionname, membername) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## unionname ## _ ## membername ## _MSGTYPE) +#define PB_SUBMSG_INFO_REPEATED(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE) +#define PB_SUBMSG_INFO_FIXARRAY(ltype, structname, fieldname) PB_SUBMSG_INFO_ ## ltype(structname ## _ ## fieldname ## _MSGTYPE) +#define PB_SUBMSG_INFO_BOOL(t) +#define PB_SUBMSG_INFO_BYTES(t) +#define PB_SUBMSG_INFO_DOUBLE(t) +#define PB_SUBMSG_INFO_ENUM(t) +#define PB_SUBMSG_INFO_UENUM(t) +#define PB_SUBMSG_INFO_FIXED32(t) +#define PB_SUBMSG_INFO_FIXED64(t) +#define PB_SUBMSG_INFO_FLOAT(t) +#define PB_SUBMSG_INFO_INT32(t) +#define PB_SUBMSG_INFO_INT64(t) +#define PB_SUBMSG_INFO_MESSAGE(t) PB_SUBMSG_DESCRIPTOR(t) +#define PB_SUBMSG_INFO_MSG_W_CB(t) PB_SUBMSG_DESCRIPTOR(t) +#define PB_SUBMSG_INFO_SFIXED32(t) +#define PB_SUBMSG_INFO_SFIXED64(t) +#define PB_SUBMSG_INFO_SINT32(t) +#define PB_SUBMSG_INFO_SINT64(t) +#define PB_SUBMSG_INFO_STRING(t) +#define PB_SUBMSG_INFO_UINT32(t) +#define PB_SUBMSG_INFO_UINT64(t) +#define PB_SUBMSG_INFO_EXTENSION(t) +#define PB_SUBMSG_INFO_FIXED_LENGTH_BYTES(t) +#define PB_SUBMSG_DESCRIPTOR(t) &(t ## _msg), + +/* The field descriptors use a variable width format, with width of either + * 1, 2, 4 or 8 of 32-bit words. The two lowest bytes of the first byte always + * encode the descriptor size, 6 lowest bits of field tag number, and 8 bits + * of the field type. + * + * Descriptor size is encoded as 0 = 1 word, 1 = 2 words, 2 = 4 words, 3 = 8 words. + * + * Formats, listed starting with the least significant bit of the first word. + * 1 word: [2-bit len] [6-bit tag] [8-bit type] [8-bit data_offset] [4-bit size_offset] [4-bit data_size] + * + * 2 words: [2-bit len] [6-bit tag] [8-bit type] [12-bit array_size] [4-bit size_offset] + * [16-bit data_offset] [12-bit data_size] [4-bit tag>>6] + * + * 4 words: [2-bit len] [6-bit tag] [8-bit type] [16-bit array_size] + * [8-bit size_offset] [24-bit tag>>6] + * [32-bit data_offset] + * [32-bit data_size] + * + * 8 words: [2-bit len] [6-bit tag] [8-bit type] [16-bit reserved] + * [8-bit size_offset] [24-bit tag>>6] + * [32-bit data_offset] + * [32-bit data_size] + * [32-bit array_size] + * [32-bit reserved] + * [32-bit reserved] + * [32-bit reserved] + */ + +#define PB_FIELDINFO_1(tag, type, data_offset, data_size, size_offset, array_size) \ + (0 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(data_offset) & 0xFF) << 16) | \ + (((uint32_t)(size_offset) & 0x0F) << 24) | (((uint32_t)(data_size) & 0x0F) << 28)), + +#define PB_FIELDINFO_2(tag, type, data_offset, data_size, size_offset, array_size) \ + (1 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(array_size) & 0xFFF) << 16) | (((uint32_t)(size_offset) & 0x0F) << 28)), \ + (((uint32_t)(data_offset) & 0xFFFF) | (((uint32_t)(data_size) & 0xFFF) << 16) | (((uint32_t)(tag) & 0x3c0) << 22)), + +#define PB_FIELDINFO_4(tag, type, data_offset, data_size, size_offset, array_size) \ + (2 | (((tag) << 2) & 0xFF) | ((type) << 8) | (((uint32_t)(array_size) & 0xFFFF) << 16)), \ + ((uint32_t)(int_least8_t)(size_offset) | (((uint32_t)(tag) << 2) & 0xFFFFFF00)), \ + (data_offset), (data_size), + +#define PB_FIELDINFO_8(tag, type, data_offset, data_size, size_offset, array_size) \ + (3 | (((tag) << 2) & 0xFF) | ((type) << 8)), \ + ((uint32_t)(int_least8_t)(size_offset) | (((uint32_t)(tag) << 2) & 0xFFFFFF00)), \ + (data_offset), (data_size), (array_size), 0, 0, 0, + +/* These assertions verify that the field information fits in the allocated space. + * The generator tries to automatically determine the correct width that can fit all + * data associated with a message. These asserts will fail only if there has been a + * problem in the automatic logic - this may be worth reporting as a bug. As a workaround, + * you can increase the descriptor width by defining PB_FIELDINFO_WIDTH or by setting + * descriptorsize option in .options file. + */ +#define PB_FITS(value,bits) ((uint32_t)(value) < ((uint32_t)1<2GB messages with nanopb anyway. + */ +#define PB_FIELDINFO_ASSERT_4(tag, type, data_offset, data_size, size_offset, array_size) \ + PB_STATIC_ASSERT(PB_FITS(tag,30) && PB_FITS(data_offset,31) && PB_FITS(size_offset,8) && PB_FITS(data_size,31) && PB_FITS(array_size,16), FIELDINFO_DOES_NOT_FIT_width4_field ## tag) + +#define PB_FIELDINFO_ASSERT_8(tag, type, data_offset, data_size, size_offset, array_size) \ + PB_STATIC_ASSERT(PB_FITS(tag,30) && PB_FITS(data_offset,31) && PB_FITS(size_offset,8) && PB_FITS(data_size,31) && PB_FITS(array_size,31), FIELDINFO_DOES_NOT_FIT_width8_field ## tag) +#endif + + +/* Automatic picking of FIELDINFO width: + * Uses width 1 when possible, otherwise resorts to width 2. + * This is used when PB_BIND() is called with "AUTO" as the argument. + * The generator will give explicit size argument when it knows that a message + * structure grows beyond 1-word format limits. + */ +#define PB_FIELDINFO_WIDTH_AUTO(atype, htype, ltype) PB_FIELDINFO_WIDTH_ ## atype(htype, ltype) +#define PB_FIELDINFO_WIDTH_STATIC(htype, ltype) PB_FIELDINFO_WIDTH_ ## htype(ltype) +#define PB_FIELDINFO_WIDTH_POINTER(htype, ltype) PB_FIELDINFO_WIDTH_ ## htype(ltype) +#define PB_FIELDINFO_WIDTH_CALLBACK(htype, ltype) 2 +#define PB_FIELDINFO_WIDTH_REQUIRED(ltype) PB_FIELDINFO_WIDTH_ ## ltype +#define PB_FIELDINFO_WIDTH_SINGULAR(ltype) PB_FIELDINFO_WIDTH_ ## ltype +#define PB_FIELDINFO_WIDTH_OPTIONAL(ltype) PB_FIELDINFO_WIDTH_ ## ltype +#define PB_FIELDINFO_WIDTH_ONEOF(ltype) PB_FIELDINFO_WIDTH_ ## ltype +#define PB_FIELDINFO_WIDTH_REPEATED(ltype) 2 +#define PB_FIELDINFO_WIDTH_FIXARRAY(ltype) 2 +#define PB_FIELDINFO_WIDTH_BOOL 1 +#define PB_FIELDINFO_WIDTH_BYTES 2 +#define PB_FIELDINFO_WIDTH_DOUBLE 1 +#define PB_FIELDINFO_WIDTH_ENUM 1 +#define PB_FIELDINFO_WIDTH_UENUM 1 +#define PB_FIELDINFO_WIDTH_FIXED32 1 +#define PB_FIELDINFO_WIDTH_FIXED64 1 +#define PB_FIELDINFO_WIDTH_FLOAT 1 +#define PB_FIELDINFO_WIDTH_INT32 1 +#define PB_FIELDINFO_WIDTH_INT64 1 +#define PB_FIELDINFO_WIDTH_MESSAGE 2 +#define PB_FIELDINFO_WIDTH_MSG_W_CB 2 +#define PB_FIELDINFO_WIDTH_SFIXED32 1 +#define PB_FIELDINFO_WIDTH_SFIXED64 1 +#define PB_FIELDINFO_WIDTH_SINT32 1 +#define PB_FIELDINFO_WIDTH_SINT64 1 +#define PB_FIELDINFO_WIDTH_STRING 2 +#define PB_FIELDINFO_WIDTH_UINT32 1 +#define PB_FIELDINFO_WIDTH_UINT64 1 +#define PB_FIELDINFO_WIDTH_EXTENSION 1 +#define PB_FIELDINFO_WIDTH_FIXED_LENGTH_BYTES 2 + +/* The mapping from protobuf types to LTYPEs is done using these macros. */ +#define PB_LTYPE_MAP_BOOL PB_LTYPE_BOOL +#define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES +#define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64 +#define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT +#define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT +#define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32 +#define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64 +#define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32 +#define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT +#define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT +#define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE +#define PB_LTYPE_MAP_MSG_W_CB PB_LTYPE_SUBMSG_W_CB +#define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32 +#define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64 +#define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT +#define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT +#define PB_LTYPE_MAP_STRING PB_LTYPE_STRING +#define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT +#define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT +#define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION +#define PB_LTYPE_MAP_FIXED_LENGTH_BYTES PB_LTYPE_FIXED_LENGTH_BYTES + +/* These macros are used for giving out error messages. + * They are mostly a debugging aid; the main error information + * is the true/false return value from functions. + * Some code space can be saved by disabling the error + * messages if not used. + * + * PB_SET_ERROR() sets the error message if none has been set yet. + * msg must be a constant string literal. + * PB_GET_ERROR() always returns a pointer to a string. + * PB_RETURN_ERROR() sets the error and returns false from current + * function. + */ +#ifdef PB_NO_ERRMSG +#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream) +#define PB_GET_ERROR(stream) "(errmsg disabled)" +#else +#define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg)) +#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)") +#endif + +#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#ifdef __cplusplus +#if __cplusplus >= 201103L +#define PB_CONSTEXPR constexpr +#else // __cplusplus >= 201103L +#define PB_CONSTEXPR +#endif // __cplusplus >= 201103L + +#if __cplusplus >= 201703L +#define PB_INLINE_CONSTEXPR inline constexpr +#else // __cplusplus >= 201703L +#define PB_INLINE_CONSTEXPR PB_CONSTEXPR +#endif // __cplusplus >= 201703L + +namespace nanopb { +// Each type will be partially specialized by the generator. +template struct MessageDescriptor; +} // namespace nanopb +#endif /* __cplusplus */ + +#endif + diff --git a/Inc/pb_common.h b/Inc/pb_common.h new file mode 100644 index 0000000..47fa2c9 --- /dev/null +++ b/Inc/pb_common.h @@ -0,0 +1,45 @@ +/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c. + * These functions are rarely needed by applications directly. + */ + +#ifndef PB_COMMON_H_INCLUDED +#define PB_COMMON_H_INCLUDED + +#include "pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Initialize the field iterator structure to beginning. + * Returns false if the message type is empty. */ +bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_msgdesc_t *desc, void *message); + +/* Get a field iterator for extension field. */ +bool pb_field_iter_begin_extension(pb_field_iter_t *iter, pb_extension_t *extension); + +/* Same as pb_field_iter_begin(), but for const message pointer. + * Note that the pointers in pb_field_iter_t will be non-const but shouldn't + * be written to when using these functions. */ +bool pb_field_iter_begin_const(pb_field_iter_t *iter, const pb_msgdesc_t *desc, const void *message); +bool pb_field_iter_begin_extension_const(pb_field_iter_t *iter, const pb_extension_t *extension); + +/* Advance the iterator to the next field. + * Returns false when the iterator wraps back to the first field. */ +bool pb_field_iter_next(pb_field_iter_t *iter); + +/* Advance the iterator until it points at a field with the given tag. + * Returns false if no such field exists. */ +bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag); + +#ifdef PB_VALIDATE_UTF8 +/* Validate UTF-8 text string */ +bool pb_validate_utf8(const char *s); +#endif + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif + diff --git a/Inc/pb_decode.h b/Inc/pb_decode.h new file mode 100644 index 0000000..b64d95a --- /dev/null +++ b/Inc/pb_decode.h @@ -0,0 +1,193 @@ +/* pb_decode.h: Functions to decode protocol buffers. Depends on pb_decode.c. + * The main function is pb_decode. You also need an input stream, and the + * field descriptions created by nanopb_generator.py. + */ + +#ifndef PB_DECODE_H_INCLUDED +#define PB_DECODE_H_INCLUDED + +#include "pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Structure for defining custom input streams. You will need to provide + * a callback function to read the bytes from your storage, which can be + * for example a file or a network socket. + * + * The callback must conform to these rules: + * + * 1) Return false on IO errors. This will cause decoding to abort. + * 2) You can use state to store your own data (e.g. buffer pointer), + * and rely on pb_read to verify that no-body reads past bytes_left. + * 3) Your callback may be used with substreams, in which case bytes_left + * is different than from the main stream. Don't use bytes_left to compute + * any pointers. + */ +struct pb_istream_s +{ +#ifdef PB_BUFFER_ONLY + /* Callback pointer is not used in buffer-only configuration. + * Having an int pointer here allows binary compatibility but + * gives an error if someone tries to assign callback function. + */ + int *callback; +#else + bool (*callback)(pb_istream_t *stream, pb_byte_t *buf, size_t count); +#endif + + void *state; /* Free field for use by callback implementation */ + size_t bytes_left; + +#ifndef PB_NO_ERRMSG + const char *errmsg; +#endif +}; + +#ifndef PB_NO_ERRMSG +#define PB_ISTREAM_EMPTY {0,0,0,0} +#else +#define PB_ISTREAM_EMPTY {0,0,0} +#endif + +/*************************** + * Main decoding functions * + ***************************/ + +/* Decode a single protocol buffers message from input stream into a C structure. + * Returns true on success, false on any failure. + * The actual struct pointed to by dest must match the description in fields. + * Callback fields of the destination structure must be initialized by caller. + * All other fields will be initialized by this function. + * + * Example usage: + * MyMessage msg = {}; + * uint8_t buffer[64]; + * pb_istream_t stream; + * + * // ... read some data into buffer ... + * + * stream = pb_istream_from_buffer(buffer, count); + * pb_decode(&stream, MyMessage_fields, &msg); + */ +bool pb_decode(pb_istream_t *stream, const pb_msgdesc_t *fields, void *dest_struct); + +/* Extended version of pb_decode, with several options to control + * the decoding process: + * + * PB_DECODE_NOINIT: Do not initialize the fields to default values. + * This is slightly faster if you do not need the default + * values and instead initialize the structure to 0 using + * e.g. memset(). This can also be used for merging two + * messages, i.e. combine already existing data with new + * values. + * + * PB_DECODE_DELIMITED: Input message starts with the message size as varint. + * Corresponds to parseDelimitedFrom() in Google's + * protobuf API. + * + * PB_DECODE_NULLTERMINATED: Stop reading when field tag is read as 0. This allows + * reading null terminated messages. + * NOTE: Until nanopb-0.4.0, pb_decode() also allows + * null-termination. This behaviour is not supported in + * most other protobuf implementations, so PB_DECODE_DELIMITED + * is a better option for compatibility. + * + * Multiple flags can be combined with bitwise or (| operator) + */ +#define PB_DECODE_NOINIT 0x01U +#define PB_DECODE_DELIMITED 0x02U +#define PB_DECODE_NULLTERMINATED 0x04U +bool pb_decode_ex(pb_istream_t *stream, const pb_msgdesc_t *fields, void *dest_struct, unsigned int flags); + +/* Defines for backwards compatibility with code written before nanopb-0.4.0 */ +#define pb_decode_noinit(s,f,d) pb_decode_ex(s,f,d, PB_DECODE_NOINIT) +#define pb_decode_delimited(s,f,d) pb_decode_ex(s,f,d, PB_DECODE_DELIMITED) +#define pb_decode_delimited_noinit(s,f,d) pb_decode_ex(s,f,d, PB_DECODE_DELIMITED | PB_DECODE_NOINIT) +#define pb_decode_nullterminated(s,f,d) pb_decode_ex(s,f,d, PB_DECODE_NULLTERMINATED) + +#ifdef PB_ENABLE_MALLOC +/* Release any allocated pointer fields. If you use dynamic allocation, you should + * call this for any successfully decoded message when you are done with it. If + * pb_decode() returns with an error, the message is already released. + */ +void pb_release(const pb_msgdesc_t *fields, void *dest_struct); +#endif + + +/************************************** + * Functions for manipulating streams * + **************************************/ + +/* Create an input stream for reading from a memory buffer. + * + * Alternatively, you can use a custom stream that reads directly from e.g. + * a file or a network socket. + */ +pb_istream_t pb_istream_from_buffer(const pb_byte_t *buf, size_t bufsize); + +/* Function to read from a pb_istream_t. You can use this if you need to + * read some custom header data, or to read data in field callbacks. + */ +bool pb_read(pb_istream_t *stream, pb_byte_t *buf, size_t count); + + +/************************************************ + * Helper functions for writing field callbacks * + ************************************************/ + +/* Decode the tag for the next field in the stream. Gives the wire type and + * field tag. At end of the message, returns false and sets eof to true. */ +bool pb_decode_tag(pb_istream_t *stream, pb_wire_type_t *wire_type, uint32_t *tag, bool *eof); + +/* Skip the field payload data, given the wire type. */ +bool pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type); + +/* Decode an integer in the varint format. This works for enum, int32, + * int64, uint32 and uint64 field types. */ +#ifndef PB_WITHOUT_64BIT +bool pb_decode_varint(pb_istream_t *stream, uint64_t *dest); +#else +#define pb_decode_varint pb_decode_varint32 +#endif + +/* Decode an integer in the varint format. This works for enum, int32, + * and uint32 field types. */ +bool pb_decode_varint32(pb_istream_t *stream, uint32_t *dest); + +/* Decode a bool value in varint format. */ +bool pb_decode_bool(pb_istream_t *stream, bool *dest); + +/* Decode an integer in the zig-zagged svarint format. This works for sint32 + * and sint64. */ +#ifndef PB_WITHOUT_64BIT +bool pb_decode_svarint(pb_istream_t *stream, int64_t *dest); +#else +bool pb_decode_svarint(pb_istream_t *stream, int32_t *dest); +#endif + +/* Decode a fixed32, sfixed32 or float value. You need to pass a pointer to + * a 4-byte wide C variable. */ +bool pb_decode_fixed32(pb_istream_t *stream, void *dest); + +#ifndef PB_WITHOUT_64BIT +/* Decode a fixed64, sfixed64 or double value. You need to pass a pointer to + * a 8-byte wide C variable. */ +bool pb_decode_fixed64(pb_istream_t *stream, void *dest); +#endif + +#ifdef PB_CONVERT_DOUBLE_FLOAT +/* Decode a double value into float variable. */ +bool pb_decode_double_as_float(pb_istream_t *stream, float *dest); +#endif + +/* Make a limited-length substream for reading a PB_WT_STRING field. */ +bool pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream); +bool pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/Inc/pb_encode.h b/Inc/pb_encode.h new file mode 100644 index 0000000..88e246a --- /dev/null +++ b/Inc/pb_encode.h @@ -0,0 +1,185 @@ +/* pb_encode.h: Functions to encode protocol buffers. Depends on pb_encode.c. + * The main function is pb_encode. You also need an output stream, and the + * field descriptions created by nanopb_generator.py. + */ + +#ifndef PB_ENCODE_H_INCLUDED +#define PB_ENCODE_H_INCLUDED + +#include "pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Structure for defining custom output streams. You will need to provide + * a callback function to write the bytes to your storage, which can be + * for example a file or a network socket. + * + * The callback must conform to these rules: + * + * 1) Return false on IO errors. This will cause encoding to abort. + * 2) You can use state to store your own data (e.g. buffer pointer). + * 3) pb_write will update bytes_written after your callback runs. + * 4) Substreams will modify max_size and bytes_written. Don't use them + * to calculate any pointers. + */ +struct pb_ostream_s +{ +#ifdef PB_BUFFER_ONLY + /* Callback pointer is not used in buffer-only configuration. + * Having an int pointer here allows binary compatibility but + * gives an error if someone tries to assign callback function. + * Also, NULL pointer marks a 'sizing stream' that does not + * write anything. + */ + int *callback; +#else + bool (*callback)(pb_ostream_t *stream, const pb_byte_t *buf, size_t count); +#endif + void *state; /* Free field for use by callback implementation. */ + size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */ + size_t bytes_written; /* Number of bytes written so far. */ + +#ifndef PB_NO_ERRMSG + const char *errmsg; +#endif +}; + +/*************************** + * Main encoding functions * + ***************************/ + +/* Encode a single protocol buffers message from C structure into a stream. + * Returns true on success, false on any failure. + * The actual struct pointed to by src_struct must match the description in fields. + * All required fields in the struct are assumed to have been filled in. + * + * Example usage: + * MyMessage msg = {}; + * uint8_t buffer[64]; + * pb_ostream_t stream; + * + * msg.field1 = 42; + * stream = pb_ostream_from_buffer(buffer, sizeof(buffer)); + * pb_encode(&stream, MyMessage_fields, &msg); + */ +bool pb_encode(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct); + +/* Extended version of pb_encode, with several options to control the + * encoding process: + * + * PB_ENCODE_DELIMITED: Prepend the length of message as a varint. + * Corresponds to writeDelimitedTo() in Google's + * protobuf API. + * + * PB_ENCODE_NULLTERMINATED: Append a null byte to the message for termination. + * NOTE: This behaviour is not supported in most other + * protobuf implementations, so PB_ENCODE_DELIMITED + * is a better option for compatibility. + */ +#define PB_ENCODE_DELIMITED 0x02U +#define PB_ENCODE_NULLTERMINATED 0x04U +bool pb_encode_ex(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct, unsigned int flags); + +/* Defines for backwards compatibility with code written before nanopb-0.4.0 */ +#define pb_encode_delimited(s,f,d) pb_encode_ex(s,f,d, PB_ENCODE_DELIMITED) +#define pb_encode_nullterminated(s,f,d) pb_encode_ex(s,f,d, PB_ENCODE_NULLTERMINATED) + +/* Encode the message to get the size of the encoded data, but do not store + * the data. */ +bool pb_get_encoded_size(size_t *size, const pb_msgdesc_t *fields, const void *src_struct); + +/************************************** + * Functions for manipulating streams * + **************************************/ + +/* Create an output stream for writing into a memory buffer. + * The number of bytes written can be found in stream.bytes_written after + * encoding the message. + * + * Alternatively, you can use a custom stream that writes directly to e.g. + * a file or a network socket. + */ +pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize); + +/* Pseudo-stream for measuring the size of a message without actually storing + * the encoded data. + * + * Example usage: + * MyMessage msg = {}; + * pb_ostream_t stream = PB_OSTREAM_SIZING; + * pb_encode(&stream, MyMessage_fields, &msg); + * printf("Message size is %d\n", stream.bytes_written); + */ +#ifndef PB_NO_ERRMSG +#define PB_OSTREAM_SIZING {0,0,0,0,0} +#else +#define PB_OSTREAM_SIZING {0,0,0,0} +#endif + +/* Function to write into a pb_ostream_t stream. You can use this if you need + * to append or prepend some custom headers to the message. + */ +bool pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count); + + +/************************************************ + * Helper functions for writing field callbacks * + ************************************************/ + +/* Encode field header based on type and field number defined in the field + * structure. Call this from the callback before writing out field contents. */ +bool pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_iter_t *field); + +/* Encode field header by manually specifing wire type. You need to use this + * if you want to write out packed arrays from a callback field. */ +bool pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number); + +/* Encode an integer in the varint format. + * This works for bool, enum, int32, int64, uint32 and uint64 field types. */ +#ifndef PB_WITHOUT_64BIT +bool pb_encode_varint(pb_ostream_t *stream, uint64_t value); +#else +bool pb_encode_varint(pb_ostream_t *stream, uint32_t value); +#endif + +/* Encode an integer in the zig-zagged svarint format. + * This works for sint32 and sint64. */ +#ifndef PB_WITHOUT_64BIT +bool pb_encode_svarint(pb_ostream_t *stream, int64_t value); +#else +bool pb_encode_svarint(pb_ostream_t *stream, int32_t value); +#endif + +/* Encode a string or bytes type field. For strings, pass strlen(s) as size. */ +bool pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size); + +/* Encode a fixed32, sfixed32 or float value. + * You need to pass a pointer to a 4-byte wide C variable. */ +bool pb_encode_fixed32(pb_ostream_t *stream, const void *value); + +#ifndef PB_WITHOUT_64BIT +/* Encode a fixed64, sfixed64 or double value. + * You need to pass a pointer to a 8-byte wide C variable. */ +bool pb_encode_fixed64(pb_ostream_t *stream, const void *value); +#endif + +#ifdef PB_CONVERT_DOUBLE_FLOAT +/* Encode a float value so that it appears like a double in the encoded + * message. */ +bool pb_encode_float_as_double(pb_ostream_t *stream, float value); +#endif + +/* Encode a submessage field. + * You need to pass the pb_field_t array and pointer to struct, just like + * with pb_encode(). This internally encodes the submessage twice, first to + * calculate message size and then to actually write it out. + */ +bool pb_encode_submessage(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/Inc/stm32f4xx_hal_conf.h b/Inc/stm32f4xx_hal_conf.h new file mode 100644 index 0000000..e7e342a --- /dev/null +++ b/Inc/stm32f4xx_hal_conf.h @@ -0,0 +1,443 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_conf_template.h + * @author MCD Application Team + * @brief HAL configuration template file. + * This file should be copied to the application folder and renamed + * to stm32f4xx_hal_conf.h. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2017 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F4xx_HAL_CONF_H +#define __STM32F4xx_HAL_CONF_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ + +/* ########################## Module Selection ############################## */ +/** + * @brief This is the list of modules to be used in the HAL driver + */ +#define HAL_MODULE_ENABLED + + /* #define HAL_ADC_MODULE_ENABLED */ +/* #define HAL_CRYP_MODULE_ENABLED */ +/* #define HAL_CAN_MODULE_ENABLED */ +/* #define HAL_CRC_MODULE_ENABLED */ +/* #define HAL_CRYP_MODULE_ENABLED */ +/* #define HAL_DAC_MODULE_ENABLED */ +/* #define HAL_DCMI_MODULE_ENABLED */ +/* #define HAL_DMA2D_MODULE_ENABLED */ +/* #define HAL_ETH_MODULE_ENABLED */ +/* #define HAL_NAND_MODULE_ENABLED */ +/* #define HAL_NOR_MODULE_ENABLED */ +/* #define HAL_PCCARD_MODULE_ENABLED */ +/* #define HAL_SRAM_MODULE_ENABLED */ +/* #define HAL_SDRAM_MODULE_ENABLED */ +/* #define HAL_HASH_MODULE_ENABLED */ +#define HAL_I2C_MODULE_ENABLED +/* #define HAL_I2S_MODULE_ENABLED */ +/* #define HAL_IWDG_MODULE_ENABLED */ +/* #define HAL_LTDC_MODULE_ENABLED */ +/* #define HAL_RNG_MODULE_ENABLED */ +/* #define HAL_RTC_MODULE_ENABLED */ +/* #define HAL_SAI_MODULE_ENABLED */ +/* #define HAL_SD_MODULE_ENABLED */ +/* #define HAL_MMC_MODULE_ENABLED */ +/* #define HAL_SPI_MODULE_ENABLED */ +/* #define HAL_TIM_MODULE_ENABLED */ +#define HAL_UART_MODULE_ENABLED +/* #define HAL_USART_MODULE_ENABLED */ +/* #define HAL_IRDA_MODULE_ENABLED */ +/* #define HAL_SMARTCARD_MODULE_ENABLED */ +/* #define HAL_SMBUS_MODULE_ENABLED */ +/* #define HAL_WWDG_MODULE_ENABLED */ +/* #define HAL_PCD_MODULE_ENABLED */ +/* #define HAL_HCD_MODULE_ENABLED */ +/* #define HAL_DSI_MODULE_ENABLED */ +/* #define HAL_QSPI_MODULE_ENABLED */ +/* #define HAL_QSPI_MODULE_ENABLED */ +/* #define HAL_CEC_MODULE_ENABLED */ +/* #define HAL_FMPI2C_MODULE_ENABLED */ +/* #define HAL_SPDIFRX_MODULE_ENABLED */ +/* #define HAL_DFSDM_MODULE_ENABLED */ +/* #define HAL_LPTIM_MODULE_ENABLED */ +#define HAL_GPIO_MODULE_ENABLED +#define HAL_EXTI_MODULE_ENABLED +#define HAL_DMA_MODULE_ENABLED +#define HAL_RCC_MODULE_ENABLED +#define HAL_FLASH_MODULE_ENABLED +#define HAL_PWR_MODULE_ENABLED +#define HAL_CORTEX_MODULE_ENABLED + +/* ########################## HSE/HSI Values adaptation ##################### */ +/** + * @brief Adjust the value of External High Speed oscillator (HSE) used in your application. + * This value is used by the RCC HAL module to compute the system frequency + * (when HSE is used as system clock source, directly or through the PLL). + */ +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)25000000U) /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (HSE_STARTUP_TIMEOUT) + #define HSE_STARTUP_TIMEOUT ((uint32_t)100U) /*!< Time out for HSE start up, in ms */ +#endif /* HSE_STARTUP_TIMEOUT */ + +/** + * @brief Internal High Speed oscillator (HSI) value. + * This value is used by the RCC HAL module to compute the system frequency + * (when HSI is used as system clock source, directly or through the PLL). + */ +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)16000000U) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + +/** + * @brief Internal Low Speed oscillator (LSI) value. + */ +#if !defined (LSI_VALUE) + #define LSI_VALUE ((uint32_t)32000U) /*!< LSI Typical Value in Hz*/ +#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz + The real value may vary depending on the variations + in voltage and temperature.*/ +/** + * @brief External Low Speed oscillator (LSE) value. + */ +#if !defined (LSE_VALUE) + #define LSE_VALUE ((uint32_t)32768U) /*!< Value of the External Low Speed oscillator in Hz */ +#endif /* LSE_VALUE */ + +#if !defined (LSE_STARTUP_TIMEOUT) + #define LSE_STARTUP_TIMEOUT ((uint32_t)5000U) /*!< Time out for LSE start up, in ms */ +#endif /* LSE_STARTUP_TIMEOUT */ + +/** + * @brief External clock source for I2S peripheral + * This value is used by the I2S HAL module to compute the I2S clock source + * frequency, this source is inserted directly through I2S_CKIN pad. + */ +#if !defined (EXTERNAL_CLOCK_VALUE) + #define EXTERNAL_CLOCK_VALUE ((uint32_t)12288000U) /*!< Value of the External audio frequency in Hz*/ +#endif /* EXTERNAL_CLOCK_VALUE */ + +/* Tip: To avoid modifying this file each time you need to use different HSE, + === you can define the HSE value in your toolchain compiler preprocessor. */ + +/* ########################### System Configuration ######################### */ +/** + * @brief This is the HAL system configuration section + */ +#define VDD_VALUE ((uint32_t)3300U) /*!< Value of VDD in mv */ +#define TICK_INT_PRIORITY ((uint32_t)0U) /*!< tick interrupt priority */ +#define USE_RTOS 0U +#define PREFETCH_ENABLE 1U +#define INSTRUCTION_CACHE_ENABLE 1U +#define DATA_CACHE_ENABLE 1U + +/* ########################## Assert Selection ############################## */ +/** + * @brief Uncomment the line below to expanse the "assert_param" macro in the + * HAL drivers code + */ +/* #define USE_FULL_ASSERT 1U */ + +/* ################## Ethernet peripheral configuration ##################### */ + +/* Section 1 : Ethernet peripheral configuration */ + +/* MAC ADDRESS: MAC_ADDR0:MAC_ADDR1:MAC_ADDR2:MAC_ADDR3:MAC_ADDR4:MAC_ADDR5 */ +#define MAC_ADDR0 2U +#define MAC_ADDR1 0U +#define MAC_ADDR2 0U +#define MAC_ADDR3 0U +#define MAC_ADDR4 0U +#define MAC_ADDR5 0U + +/* Definition of the Ethernet driver buffers size and count */ +#define ETH_RX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for receive */ +#define ETH_TX_BUF_SIZE ETH_MAX_PACKET_SIZE /* buffer size for transmit */ +#define ETH_RXBUFNB ((uint32_t)4U) /* 4 Rx buffers of size ETH_RX_BUF_SIZE */ +#define ETH_TXBUFNB ((uint32_t)4U) /* 4 Tx buffers of size ETH_TX_BUF_SIZE */ + +/* Section 2: PHY configuration section */ + +/* DP83848_PHY_ADDRESS Address*/ +#define DP83848_PHY_ADDRESS 0x01U +/* PHY Reset delay these values are based on a 1 ms Systick interrupt*/ +#define PHY_RESET_DELAY ((uint32_t)0x000000FFU) +/* PHY Configuration delay */ +#define PHY_CONFIG_DELAY ((uint32_t)0x00000FFFU) + +#define PHY_READ_TO ((uint32_t)0x0000FFFFU) +#define PHY_WRITE_TO ((uint32_t)0x0000FFFFU) + +/* Section 3: Common PHY Registers */ + +#define PHY_BCR ((uint16_t)0x0000U) /*!< Transceiver Basic Control Register */ +#define PHY_BSR ((uint16_t)0x0001U) /*!< Transceiver Basic Status Register */ + +#define PHY_RESET ((uint16_t)0x8000U) /*!< PHY Reset */ +#define PHY_LOOPBACK ((uint16_t)0x4000U) /*!< Select loop-back mode */ +#define PHY_FULLDUPLEX_100M ((uint16_t)0x2100U) /*!< Set the full-duplex mode at 100 Mb/s */ +#define PHY_HALFDUPLEX_100M ((uint16_t)0x2000U) /*!< Set the half-duplex mode at 100 Mb/s */ +#define PHY_FULLDUPLEX_10M ((uint16_t)0x0100U) /*!< Set the full-duplex mode at 10 Mb/s */ +#define PHY_HALFDUPLEX_10M ((uint16_t)0x0000U) /*!< Set the half-duplex mode at 10 Mb/s */ +#define PHY_AUTONEGOTIATION ((uint16_t)0x1000U) /*!< Enable auto-negotiation function */ +#define PHY_RESTART_AUTONEGOTIATION ((uint16_t)0x0200U) /*!< Restart auto-negotiation function */ +#define PHY_POWERDOWN ((uint16_t)0x0800U) /*!< Select the power down mode */ +#define PHY_ISOLATE ((uint16_t)0x0400U) /*!< Isolate PHY from MII */ + +#define PHY_AUTONEGO_COMPLETE ((uint16_t)0x0020U) /*!< Auto-Negotiation process completed */ +#define PHY_LINKED_STATUS ((uint16_t)0x0004U) /*!< Valid link established */ +#define PHY_JABBER_DETECTION ((uint16_t)0x0002U) /*!< Jabber condition detected */ + +/* Section 4: Extended PHY Registers */ +#define PHY_SR ((uint16_t)0x10U) /*!< PHY status register Offset */ + +#define PHY_SPEED_STATUS ((uint16_t)0x0002U) /*!< PHY Speed mask */ +#define PHY_DUPLEX_STATUS ((uint16_t)0x0004U) /*!< PHY Duplex mask */ + +/* ################## SPI peripheral configuration ########################## */ + +/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver +* Activated: CRC code is present inside driver +* Deactivated: CRC code cleaned from driver +*/ + +#define USE_SPI_CRC 0U + +/* Includes ------------------------------------------------------------------*/ +/** + * @brief Include module's header file + */ + +#ifdef HAL_RCC_MODULE_ENABLED + #include "stm32f4xx_hal_rcc.h" +#endif /* HAL_RCC_MODULE_ENABLED */ + +#ifdef HAL_EXTI_MODULE_ENABLED + #include "stm32f4xx_hal_exti.h" +#endif /* HAL_EXTI_MODULE_ENABLED */ + +#ifdef HAL_GPIO_MODULE_ENABLED + #include "stm32f4xx_hal_gpio.h" +#endif /* HAL_GPIO_MODULE_ENABLED */ + +#ifdef HAL_DMA_MODULE_ENABLED + #include "stm32f4xx_hal_dma.h" +#endif /* HAL_DMA_MODULE_ENABLED */ + +#ifdef HAL_CORTEX_MODULE_ENABLED + #include "stm32f4xx_hal_cortex.h" +#endif /* HAL_CORTEX_MODULE_ENABLED */ + +#ifdef HAL_ADC_MODULE_ENABLED + #include "stm32f4xx_hal_adc.h" +#endif /* HAL_ADC_MODULE_ENABLED */ + +#ifdef HAL_CAN_MODULE_ENABLED + #include "stm32f4xx_hal_can.h" +#endif /* HAL_CAN_MODULE_ENABLED */ + +#ifdef HAL_CRC_MODULE_ENABLED + #include "stm32f4xx_hal_crc.h" +#endif /* HAL_CRC_MODULE_ENABLED */ + +#ifdef HAL_CRYP_MODULE_ENABLED + #include "stm32f4xx_hal_cryp.h" +#endif /* HAL_CRYP_MODULE_ENABLED */ + +#ifdef HAL_SMBUS_MODULE_ENABLED +#include "stm32f4xx_hal_smbus.h" +#endif /* HAL_SMBUS_MODULE_ENABLED */ + +#ifdef HAL_DMA2D_MODULE_ENABLED + #include "stm32f4xx_hal_dma2d.h" +#endif /* HAL_DMA2D_MODULE_ENABLED */ + +#ifdef HAL_DAC_MODULE_ENABLED + #include "stm32f4xx_hal_dac.h" +#endif /* HAL_DAC_MODULE_ENABLED */ + +#ifdef HAL_DCMI_MODULE_ENABLED + #include "stm32f4xx_hal_dcmi.h" +#endif /* HAL_DCMI_MODULE_ENABLED */ + +#ifdef HAL_ETH_MODULE_ENABLED + #include "stm32f4xx_hal_eth.h" +#endif /* HAL_ETH_MODULE_ENABLED */ + +#ifdef HAL_FLASH_MODULE_ENABLED + #include "stm32f4xx_hal_flash.h" +#endif /* HAL_FLASH_MODULE_ENABLED */ + +#ifdef HAL_SRAM_MODULE_ENABLED + #include "stm32f4xx_hal_sram.h" +#endif /* HAL_SRAM_MODULE_ENABLED */ + +#ifdef HAL_NOR_MODULE_ENABLED + #include "stm32f4xx_hal_nor.h" +#endif /* HAL_NOR_MODULE_ENABLED */ + +#ifdef HAL_NAND_MODULE_ENABLED + #include "stm32f4xx_hal_nand.h" +#endif /* HAL_NAND_MODULE_ENABLED */ + +#ifdef HAL_PCCARD_MODULE_ENABLED + #include "stm32f4xx_hal_pccard.h" +#endif /* HAL_PCCARD_MODULE_ENABLED */ + +#ifdef HAL_SDRAM_MODULE_ENABLED + #include "stm32f4xx_hal_sdram.h" +#endif /* HAL_SDRAM_MODULE_ENABLED */ + +#ifdef HAL_HASH_MODULE_ENABLED + #include "stm32f4xx_hal_hash.h" +#endif /* HAL_HASH_MODULE_ENABLED */ + +#ifdef HAL_I2C_MODULE_ENABLED + #include "stm32f4xx_hal_i2c.h" +#endif /* HAL_I2C_MODULE_ENABLED */ + +#ifdef HAL_I2S_MODULE_ENABLED + #include "stm32f4xx_hal_i2s.h" +#endif /* HAL_I2S_MODULE_ENABLED */ + +#ifdef HAL_IWDG_MODULE_ENABLED + #include "stm32f4xx_hal_iwdg.h" +#endif /* HAL_IWDG_MODULE_ENABLED */ + +#ifdef HAL_LTDC_MODULE_ENABLED + #include "stm32f4xx_hal_ltdc.h" +#endif /* HAL_LTDC_MODULE_ENABLED */ + +#ifdef HAL_PWR_MODULE_ENABLED + #include "stm32f4xx_hal_pwr.h" +#endif /* HAL_PWR_MODULE_ENABLED */ + +#ifdef HAL_RNG_MODULE_ENABLED + #include "stm32f4xx_hal_rng.h" +#endif /* HAL_RNG_MODULE_ENABLED */ + +#ifdef HAL_RTC_MODULE_ENABLED + #include "stm32f4xx_hal_rtc.h" +#endif /* HAL_RTC_MODULE_ENABLED */ + +#ifdef HAL_SAI_MODULE_ENABLED + #include "stm32f4xx_hal_sai.h" +#endif /* HAL_SAI_MODULE_ENABLED */ + +#ifdef HAL_SD_MODULE_ENABLED + #include "stm32f4xx_hal_sd.h" +#endif /* HAL_SD_MODULE_ENABLED */ + +#ifdef HAL_MMC_MODULE_ENABLED + #include "stm32f4xx_hal_mmc.h" +#endif /* HAL_MMC_MODULE_ENABLED */ + +#ifdef HAL_SPI_MODULE_ENABLED + #include "stm32f4xx_hal_spi.h" +#endif /* HAL_SPI_MODULE_ENABLED */ + +#ifdef HAL_TIM_MODULE_ENABLED + #include "stm32f4xx_hal_tim.h" +#endif /* HAL_TIM_MODULE_ENABLED */ + +#ifdef HAL_UART_MODULE_ENABLED + #include "stm32f4xx_hal_uart.h" +#endif /* HAL_UART_MODULE_ENABLED */ + +#ifdef HAL_USART_MODULE_ENABLED + #include "stm32f4xx_hal_usart.h" +#endif /* HAL_USART_MODULE_ENABLED */ + +#ifdef HAL_IRDA_MODULE_ENABLED + #include "stm32f4xx_hal_irda.h" +#endif /* HAL_IRDA_MODULE_ENABLED */ + +#ifdef HAL_SMARTCARD_MODULE_ENABLED + #include "stm32f4xx_hal_smartcard.h" +#endif /* HAL_SMARTCARD_MODULE_ENABLED */ + +#ifdef HAL_WWDG_MODULE_ENABLED + #include "stm32f4xx_hal_wwdg.h" +#endif /* HAL_WWDG_MODULE_ENABLED */ + +#ifdef HAL_PCD_MODULE_ENABLED + #include "stm32f4xx_hal_pcd.h" +#endif /* HAL_PCD_MODULE_ENABLED */ + +#ifdef HAL_HCD_MODULE_ENABLED + #include "stm32f4xx_hal_hcd.h" +#endif /* HAL_HCD_MODULE_ENABLED */ + +#ifdef HAL_DSI_MODULE_ENABLED + #include "stm32f4xx_hal_dsi.h" +#endif /* HAL_DSI_MODULE_ENABLED */ + +#ifdef HAL_QSPI_MODULE_ENABLED + #include "stm32f4xx_hal_qspi.h" +#endif /* HAL_QSPI_MODULE_ENABLED */ + +#ifdef HAL_CEC_MODULE_ENABLED + #include "stm32f4xx_hal_cec.h" +#endif /* HAL_CEC_MODULE_ENABLED */ + +#ifdef HAL_FMPI2C_MODULE_ENABLED + #include "stm32f4xx_hal_fmpi2c.h" +#endif /* HAL_FMPI2C_MODULE_ENABLED */ + +#ifdef HAL_SPDIFRX_MODULE_ENABLED + #include "stm32f4xx_hal_spdifrx.h" +#endif /* HAL_SPDIFRX_MODULE_ENABLED */ + +#ifdef HAL_DFSDM_MODULE_ENABLED + #include "stm32f4xx_hal_dfsdm.h" +#endif /* HAL_DFSDM_MODULE_ENABLED */ + +#ifdef HAL_LPTIM_MODULE_ENABLED + #include "stm32f4xx_hal_lptim.h" +#endif /* HAL_LPTIM_MODULE_ENABLED */ + +/* Exported macro ------------------------------------------------------------*/ +#ifdef USE_FULL_ASSERT +/** + * @brief The assert_param macro is used for function's parameters check. + * @param expr: If expr is false, it calls assert_failed function + * which reports the name of the source file and the source + * line number of the call that failed. + * If expr is true, it returns no value. + * @retval None + */ + #define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__)) +/* Exported functions ------------------------------------------------------- */ + void assert_failed(uint8_t* file, uint32_t line); +#else + #define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_HAL_CONF_H */ + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Inc/stm32f4xx_it.h b/Inc/stm32f4xx_it.h new file mode 100644 index 0000000..0f787d0 --- /dev/null +++ b/Inc/stm32f4xx_it.h @@ -0,0 +1,69 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file stm32f4xx_it.h + * @brief This file contains the headers of the interrupt handlers. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F4xx_IT_H +#define __STM32F4xx_IT_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Private includes ----------------------------------------------------------*/ +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* Exported types ------------------------------------------------------------*/ +/* USER CODE BEGIN ET */ + +/* USER CODE END ET */ + +/* Exported constants --------------------------------------------------------*/ +/* USER CODE BEGIN EC */ + +/* USER CODE END EC */ + +/* Exported macro ------------------------------------------------------------*/ +/* USER CODE BEGIN EM */ + +/* USER CODE END EM */ + +/* Exported functions prototypes ---------------------------------------------*/ +void NMI_Handler(void); +void HardFault_Handler(void); +void MemManage_Handler(void); +void BusFault_Handler(void); +void UsageFault_Handler(void); +void SVC_Handler(void); +void DebugMon_Handler(void); +void PendSV_Handler(void); +void SysTick_Handler(void); +/* USER CODE BEGIN EFP */ + +/* USER CODE END EFP */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_IT_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Makefile b/Makefile index 9cd43ad..250032c 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ ########################################################################################################################## -# File automatically-generated by tool: [projectgenerator] version: [3.5.2] date: [Mon Mar 23 11:39:44 EDT 2020] +# File automatically-generated by tool: [projectgenerator] version: [3.5.2] date: [Mon Mar 23 16:58:19 EDT 2020] ########################################################################################################################## # ------------------------------------------------ @@ -35,32 +35,36 @@ BUILD_DIR = build # source ###################################### # C sources -C_SOURCES = \ -src/main.c \ -src/stm32f4xx_it.c \ -src/stm32f4xx_hal_msp.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c \ -Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c \ -src/system_stm32f4xx.c +C_SOURCES = \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c \ +Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c \ +Src/main.c \ +Src/stm32f4xx_it.c \ +Src/stm32f4xx_hal_msp.c \ +Src/system_stm32f4xx.c \ +Src/pb_decode.c \ +Src/pb_encode.c \ +Src/pb_common.c \ +Src/handshake.pb.c # ASM sources -ASM_SOURCES = \ +ASM_SOURCES = \ startup_stm32f401xc.s @@ -104,8 +108,8 @@ MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI) AS_DEFS = # C defines -C_DEFS = \ --DUSE_HAL_DRIVER \ +C_DEFS = \ +-DUSE_HAL_DRIVER \ -DSTM32F401xC @@ -113,13 +117,14 @@ C_DEFS = \ AS_INCLUDES = # C includes -C_INCLUDES = \ --Isrc \ --IDrivers/STM32F4xx_HAL_Driver/Inc \ --IDrivers/STM32F4xx_HAL_Driver/Inc/Legacy \ --IDrivers/CMSIS/Device/ST/STM32F4xx/Include \ --IDrivers/CMSIS/Include \ --IDrivers/CMSIS/Include +C_INCLUDES = \ +-IDrivers/STM32F4xx_HAL_Driver/Inc \ +-IDrivers/STM32F4xx_HAL_Driver/Inc/Legacy \ +-IDrivers/CMSIS/Device/ST/STM32F4xx/Include \ +-IDrivers/CMSIS/Include \ +-IDrivers/CMSIS/Include \ +-IInc + # compile gcc flags @@ -145,7 +150,7 @@ LDSCRIPT = STM32F401CCUx_FLASH.ld # libraries LIBS = -lc -lm -lnosys LIBDIR = -LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections +LDFLAGS = $(MCU) -specs=nosys.specs -specs=nano.specs -u _printf_float -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections # default action: build all all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin @@ -173,10 +178,10 @@ $(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile $(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR) $(HEX) $< $@ - + $(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR) $(BIN) $< $@ - + $(BUILD_DIR): mkdir $@ @@ -184,11 +189,11 @@ $(BUILD_DIR): # clean up ####################################### clean: - -rm -fR $(BUILD_DIR)/* - + -rm -fR $(BUILD_DIR)/* + ####################################### # dependencies ####################################### -include $(wildcard $(BUILD_DIR)/*.d) -# *** EOF *** +# *** EOF *** diff --git a/Src/handshake.pb.c b/Src/handshake.pb.c new file mode 100644 index 0000000..451ebc3 --- /dev/null +++ b/Src/handshake.pb.c @@ -0,0 +1,24 @@ +/* Automatically generated nanopb constant definitions */ +/* Generated by nanopb-0.4.2-dev */ + +#include "handshake.pb.h" +#if PB_PROTO_HEADER_VERSION != 40 +#error Regenerate this file with the current version of nanopb generator. +#endif + +PB_BIND(m2s_MDR_request, m2s_MDR_request, AUTO) + + +PB_BIND(s2m_MDR_req_ACK, s2m_MDR_req_ACK, AUTO) + + +PB_BIND(m2s_MDR_res_CTS, m2s_MDR_res_CTS, AUTO) + + +PB_BIND(_subscriptions, _subscriptions, AUTO) + + +PB_BIND(s2m_MDR_response, s2m_MDR_response, AUTO) + + + diff --git a/Src/handshake.proto b/Src/handshake.proto new file mode 100644 index 0000000..611e600 --- /dev/null +++ b/Src/handshake.proto @@ -0,0 +1,40 @@ +// Protocol for handshake +// m2s: master to slave +// s2m: slave to master + +syntax = "proto2"; + +message m2s_MDR_request { + // Record type that is requested. Will indicate verbosity in the future + required uint32 record_type = 1; +} + +message _subscriptions { + optional uint32 module_id = 1 [default=0]; + optional uint32 entity_id = 2 [default=0]; + optional uint32 module_class = 3 [default=0]; + optional uint32 i2c_address = 4 [default=0]; +} + +message s2m_MDR_response { + required float MDR_version = 1; + + // Module unique ID + required uint32 module_id = 2; + // Class of this module + required uint32 module_class = 3; + // One of more bytes; each bit indicates whether the entity is measured by this module + required uint32 entity_id = 4; + + // Entities to which this module wants to subscribe + repeated _subscriptions subscriptions = 5; +} + +// message m2s_broadcast { +// message _slave_info { +// uint32 i2c_address = 1; +// uint32 module_id = 2; +// uint32 entity_id = 3; +// } +// repeated _slave_info slave_info = 1; +// } \ No newline at end of file diff --git a/Src/main.c b/Src/main.c new file mode 100644 index 0000000..5f626dd --- /dev/null +++ b/Src/main.c @@ -0,0 +1,454 @@ +/* USER CODE BEGIN Header */ +/** +****************************************************************************** +* @file : main.c +* @brief : Main program body +****************************************************************************** +* @attention +* +*

© Copyright (c) 2020 STMicroelectronics. +* All rights reserved.

+* +* This software component is licensed by ST under BSD 3-Clause license, +* the "License"; You may not use this file except in compliance with the +* License. You may obtain a copy of the License at: +* opensource.org/licenses/BSD-3-Clause +* +****************************************************************************** +*/ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" + +/* Private includes ----------------------------------------------------------*/ +/* USER CODE BEGIN Includes */ +#include +#include +#include +#include "handshake.pb.h" +#include "devices.h" +#include "config.h" +/* USER CODE END Includes */ + +/* Private typedef -----------------------------------------------------------*/ +/* USER CODE BEGIN PTD */ + +/* USER CODE END PTD */ + +/* Private define ------------------------------------------------------------*/ +/* USER CODE BEGIN PD */ +/* USER CODE END PD */ + +/* Private macro -------------------------------------------------------------*/ +/* USER CODE BEGIN PM */ +#define device_MDR s2m_MDR_response +#define GET_IDX_FROM_ADDR(i2c_addr) i2c_addr-1 +#define GET_BIT_FROM_IDX(a, b) a[b>>5]&(1<<(b%32)) +#define SET_BIT_FROM_IDX(a, b) a[b>>5]|=(1<<(b%32)) +#define COUNTOF(__BUFFER__) (sizeof(__BUFFER__) / sizeof(*(__BUFFER__))) + +#define I2C_ADDRESS 0x30F + +/* Macro to toggle between master and slave firmware */ +/* #define MASTER */ +/* USER CODE END PM */ + +/* Private variables ---------------------------------------------------------*/ +I2C_HandleTypeDef hi2c1; + +UART_HandleTypeDef huart1; + +/* USER CODE BEGIN PV */ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +void SystemClock_Config(void); +static void MX_GPIO_Init(void); +static void MX_I2C1_Init(void); +static void MX_USART1_UART_Init(void); +/* USER CODE BEGIN PFP */ +bool encode_subscription_callback(pb_ostream_t *ostream, const pb_field_t *field, void * const *arg); +/* USER CODE END PFP */ + +/* Private user code ---------------------------------------------------------*/ +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/** + * @brief The application entry point. + * @retval int + */ +int main(void) +{ + /* USER CODE BEGIN 1 */ + + /* USER CODE END 1 */ + + + /* MCU Configuration--------------------------------------------------------*/ + + /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ + HAL_Init(); + + /* USER CODE BEGIN Init */ + + /* USER CODE END Init */ + + /* Configure the system clock */ + SystemClock_Config(); + + /* USER CODE BEGIN SysInit */ + + /* USER CODE END SysInit */ + + /* Initialize all configured peripherals */ + MX_GPIO_Init(); + MX_I2C1_Init(); + MX_USART1_UART_Init(); + /* USER CODE BEGIN 2 */ +#ifdef TESTING_ENABLE +#ifdef MASTER + uint8_t reset_string[] = "\r\n\n==========MASTER RESET=========\r\n\n"; + HAL_UART_Transmit(&huart1, reset_string, sizeof(reset_string), 100); +#else + uint8_t reset_string[] = "\r\n\n==========SLAVE RESET=========\r\n\n"; + HAL_UART_Transmit(&huart1, reset_string, sizeof(reset_string), 100); +#endif /* MASTER */ +#endif /* TESTING_ENABLE */ + /* USER CODE END 2 */ + + /* Infinite loop */ + /* USER CODE BEGIN WHILE */ + while (1) + { + +#ifdef MASTER + uint8_t MDR_req_buf[64], debug_buf[128], term[]="\r\n"; + m2s_MDR_request MDR_req_message; + pb_ostream_t MDR_req_stream = pb_ostream_from_buffer(MDR_req_buf, sizeof(MDR_req_buf)); + MDR_req_message.record_type = 1; /* Placeholder for default record type */ + if(!pb_encode(&MDR_req_stream, m2s_MDR_request_fields, &MDR_req_message)) { +#ifdef DEBUG_ENABLE + uint8_t err_buf[] = "MDR reqest encoding error\r\n"; + HAL_UART_Transmit(&huart1, err_buf, sizeof(err_buf), 100); +#endif /* DEBUG_ENABLE */ + while(1) { + HAL_GPIO_TogglePin(led_GPIO_Port, led_Pin); + HAL_Delay(500); + } + } + uint16_t enc_size = MDR_req_stream.bytes_written; +#ifdef TESTING_ENABLE + sprintf((char*)debug_buf, "Encoded length: %d\r\n", enc_size); + HAL_UART_Transmit(&huart1, debug_buf, sizeof(debug_buf), 100); + + uint8_t bufbuf[] = "Buffer: "; + HAL_UART_Transmit(&huart1, bufbuf, sizeof(bufbuf), 100); + for(int x=0; xtag == s2m_MDR_response_subscriptions_tag) { + for (int x=0; x<5; x++) { + _subscriptions subs; + subs.module_id = x+10*x; + subs.i2c_address = x+1; + subs.has_entity_id=false; + subs.has_module_class=false; + subs.has_i2c_address=true; + if(!pb_encode_tag_for_field(ostream, field)){ + printf("ERR1\n"); + return false; + } + if(!pb_encode_submessage(ostream, _subscriptions_fields, &subs)){ + printf("ERR2\n"); + return false; + } + } + } + else{ + return false; + } + return true; +} +/* USER CODE END 4 */ + +/** + * @brief This function is executed in case of error occurrence. + * @retval None + */ +void Error_Handler(void) +{ + /* USER CODE BEGIN Error_Handler_Debug */ + /* User can add his own implementation to report the HAL error return state */ + + /* USER CODE END Error_Handler_Debug */ +} + +#ifdef USE_FULL_ASSERT +/** + * @brief Reports the name of the source file and the source line number + * where the assert_param error has occurred. + * @param file: pointer to the source file name + * @param line: assert_param error line source number + * @retval None + */ +void assert_failed(uint8_t *file, uint32_t line) +{ + /* USER CODE BEGIN 6 */ + /* User can add his own implementation to report the file name and line number, + tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ + /* USER CODE END 6 */ +} +#endif /* USE_FULL_ASSERT */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Src/pb_common.c b/Src/pb_common.c new file mode 100644 index 0000000..dfc5a05 --- /dev/null +++ b/Src/pb_common.c @@ -0,0 +1,336 @@ +/* pb_common.c: Common support functions for pb_encode.c and pb_decode.c. + * + * 2014 Petteri Aimonen + */ + +#include "pb_common.h" + +static bool load_descriptor_values(pb_field_iter_t *iter) +{ + uint32_t word0; + uint32_t data_offset; + uint_least8_t format; + int_least8_t size_offset; + + if (iter->index >= iter->descriptor->field_count) + return false; + + word0 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index]); + format = word0 & 3; + iter->tag = (pb_size_t)((word0 >> 2) & 0x3F); + iter->type = (pb_type_t)((word0 >> 8) & 0xFF); + + if (format == 0) + { + /* 1-word format */ + iter->array_size = 1; + size_offset = (int_least8_t)((word0 >> 24) & 0x0F); + data_offset = (word0 >> 16) & 0xFF; + iter->data_size = (pb_size_t)((word0 >> 28) & 0x0F); + } + else if (format == 1) + { + /* 2-word format */ + uint32_t word1 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 1]); + + iter->array_size = (pb_size_t)((word0 >> 16) & 0x0FFF); + iter->tag = (pb_size_t)(iter->tag | ((word1 >> 28) << 6)); + size_offset = (int_least8_t)((word0 >> 28) & 0x0F); + data_offset = word1 & 0xFFFF; + iter->data_size = (pb_size_t)((word1 >> 16) & 0x0FFF); + } + else if (format == 2) + { + /* 4-word format */ + uint32_t word1 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 1]); + uint32_t word2 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 2]); + uint32_t word3 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 3]); + + iter->array_size = (pb_size_t)(word0 >> 16); + iter->tag = (pb_size_t)(iter->tag | ((word1 >> 8) << 6)); + size_offset = (int_least8_t)(word1 & 0xFF); + data_offset = word2; + iter->data_size = (pb_size_t)word3; + } + else + { + /* 8-word format */ + uint32_t word1 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 1]); + uint32_t word2 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 2]); + uint32_t word3 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 3]); + uint32_t word4 = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index + 4]); + + iter->array_size = (pb_size_t)word4; + iter->tag = (pb_size_t)(iter->tag | ((word1 >> 8) << 6)); + size_offset = (int_least8_t)(word1 & 0xFF); + data_offset = word2; + iter->data_size = (pb_size_t)word3; + } + + iter->pField = (char*)iter->message + data_offset; + + if (size_offset) + { + iter->pSize = (char*)iter->pField - size_offset; + } + else if (PB_HTYPE(iter->type) == PB_HTYPE_REPEATED && + (PB_ATYPE(iter->type) == PB_ATYPE_STATIC || + PB_ATYPE(iter->type) == PB_ATYPE_POINTER)) + { + /* Fixed count array */ + iter->pSize = &iter->array_size; + } + else + { + iter->pSize = NULL; + } + + if (PB_ATYPE(iter->type) == PB_ATYPE_POINTER && iter->pField != NULL) + { + iter->pData = *(void**)iter->pField; + } + else + { + iter->pData = iter->pField; + } + + if (PB_LTYPE_IS_SUBMSG(iter->type)) + { + iter->submsg_desc = iter->descriptor->submsg_info[iter->submessage_index]; + } + else + { + iter->submsg_desc = NULL; + } + + return true; +} + +static void advance_iterator(pb_field_iter_t *iter) +{ + iter->index++; + + if (iter->index >= iter->descriptor->field_count) + { + /* Restart */ + iter->index = 0; + iter->field_info_index = 0; + iter->submessage_index = 0; + iter->required_field_index = 0; + } + else + { + /* Increment indexes based on previous field type. + * All field info formats have the following fields: + * - lowest 2 bits tell the amount of words in the descriptor (2^n words) + * - bits 2..7 give the lowest bits of tag number. + * - bits 8..15 give the field type. + */ + uint32_t prev_descriptor = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index]); + pb_type_t prev_type = (prev_descriptor >> 8) & 0xFF; + pb_size_t descriptor_len = (pb_size_t)(1 << (prev_descriptor & 3)); + + iter->field_info_index = (pb_size_t)(iter->field_info_index + descriptor_len); + + if (PB_HTYPE(prev_type) == PB_HTYPE_REQUIRED) + { + iter->required_field_index++; + } + + if (PB_LTYPE_IS_SUBMSG(prev_type)) + { + iter->submessage_index++; + } + } +} + +bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_msgdesc_t *desc, void *message) +{ + memset(iter, 0, sizeof(*iter)); + + iter->descriptor = desc; + iter->message = message; + + return load_descriptor_values(iter); +} + +bool pb_field_iter_begin_extension(pb_field_iter_t *iter, pb_extension_t *extension) +{ + const pb_msgdesc_t *msg = (const pb_msgdesc_t*)extension->type->arg; + bool status; + + uint32_t word0 = PB_PROGMEM_READU32(msg->field_info[0]); + if (PB_ATYPE(word0 >> 8) == PB_ATYPE_POINTER) + { + /* For pointer extensions, the pointer is stored directly + * in the extension structure. This avoids having an extra + * indirection. */ + status = pb_field_iter_begin(iter, msg, &extension->dest); + } + else + { + status = pb_field_iter_begin(iter, msg, extension->dest); + } + + iter->pSize = &extension->found; + return status; +} + +bool pb_field_iter_next(pb_field_iter_t *iter) +{ + advance_iterator(iter); + (void)load_descriptor_values(iter); + return iter->index != 0; +} + +bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag) +{ + if (iter->tag == tag) + { + return true; /* Nothing to do, correct field already. */ + } + else + { + pb_size_t start = iter->index; + uint32_t fieldinfo; + + do + { + /* Advance iterator but don't load values yet */ + advance_iterator(iter); + + /* Do fast check for tag number match */ + fieldinfo = PB_PROGMEM_READU32(iter->descriptor->field_info[iter->field_info_index]); + + if (((fieldinfo >> 2) & 0x3F) == (tag & 0x3F)) + { + /* Good candidate, check further */ + (void)load_descriptor_values(iter); + + if (iter->tag == tag && + PB_LTYPE(iter->type) != PB_LTYPE_EXTENSION) + { + /* Found it */ + return true; + } + } + } while (iter->index != start); + + /* Searched all the way back to start, and found nothing. */ + (void)load_descriptor_values(iter); + return false; + } +} + +static void *pb_const_cast(const void *p) +{ + /* Note: this casts away const, in order to use the common field iterator + * logic for both encoding and decoding. The cast is done using union + * to avoid spurious compiler warnings. */ + union { + void *p1; + const void *p2; + } t; + t.p2 = p; + return t.p1; +} + +bool pb_field_iter_begin_const(pb_field_iter_t *iter, const pb_msgdesc_t *desc, const void *message) +{ + return pb_field_iter_begin(iter, desc, pb_const_cast(message)); +} + +bool pb_field_iter_begin_extension_const(pb_field_iter_t *iter, const pb_extension_t *extension) +{ + return pb_field_iter_begin_extension(iter, (pb_extension_t*)pb_const_cast(extension)); +} + +bool pb_default_field_callback(pb_istream_t *istream, pb_ostream_t *ostream, const pb_field_t *field) +{ + if (field->data_size == sizeof(pb_callback_t)) + { + pb_callback_t *pCallback = (pb_callback_t*)field->pData; + + if (pCallback != NULL) + { + if (istream != NULL && pCallback->funcs.decode != NULL) + { + return pCallback->funcs.decode(istream, field, &pCallback->arg); + } + + if (ostream != NULL && pCallback->funcs.encode != NULL) + { + return pCallback->funcs.encode(ostream, field, &pCallback->arg); + } + } + } + + return true; /* Success, but didn't do anything */ + +} + +#ifdef PB_VALIDATE_UTF8 + +/* This function checks whether a string is valid UTF-8 text. + * + * Algorithm is adapted from https://www.cl.cam.ac.uk/~mgk25/ucs/utf8_check.c + * Original copyright: Markus Kuhn 2005-03-30 + * Licensed under "Short code license", which allows use under MIT license or + * any compatible with it. + */ + +bool pb_validate_utf8(const char *str) +{ + const pb_byte_t *s = (const pb_byte_t*)str; + while (*s) + { + if (*s < 0x80) + { + /* 0xxxxxxx */ + s++; + } + else if ((s[0] & 0xe0) == 0xc0) + { + /* 110XXXXx 10xxxxxx */ + if ((s[1] & 0xc0) != 0x80 || + (s[0] & 0xfe) == 0xc0) /* overlong? */ + return false; + else + s += 2; + } + else if ((s[0] & 0xf0) == 0xe0) + { + /* 1110XXXX 10Xxxxxx 10xxxxxx */ + if ((s[1] & 0xc0) != 0x80 || + (s[2] & 0xc0) != 0x80 || + (s[0] == 0xe0 && (s[1] & 0xe0) == 0x80) || /* overlong? */ + (s[0] == 0xed && (s[1] & 0xe0) == 0xa0) || /* surrogate? */ + (s[0] == 0xef && s[1] == 0xbf && + (s[2] & 0xfe) == 0xbe)) /* U+FFFE or U+FFFF? */ + return false; + else + s += 3; + } + else if ((s[0] & 0xf8) == 0xf0) + { + /* 11110XXX 10XXxxxx 10xxxxxx 10xxxxxx */ + if ((s[1] & 0xc0) != 0x80 || + (s[2] & 0xc0) != 0x80 || + (s[3] & 0xc0) != 0x80 || + (s[0] == 0xf0 && (s[1] & 0xf0) == 0x80) || /* overlong? */ + (s[0] == 0xf4 && s[1] > 0x8f) || s[0] > 0xf4) /* > U+10FFFF? */ + return false; + else + s += 4; + } + else + { + return false; + } + } + + return true; +} + +#endif + diff --git a/Src/pb_decode.c b/Src/pb_decode.c new file mode 100644 index 0000000..f936412 --- /dev/null +++ b/Src/pb_decode.c @@ -0,0 +1,1735 @@ +/* pb_decode.c -- decode a protobuf using minimal resources + * + * 2011 Petteri Aimonen + */ + +/* Use the GCC warn_unused_result attribute to check that all return values + * are propagated correctly. On other compilers and gcc before 3.4.0 just + * ignore the annotation. + */ +#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4) + #define checkreturn +#else + #define checkreturn __attribute__((warn_unused_result)) +#endif + +#include "pb.h" +#include "pb_decode.h" +#include "pb_common.h" + +/************************************** + * Declarations internal to this file * + **************************************/ + +static bool checkreturn buf_read(pb_istream_t *stream, pb_byte_t *buf, size_t count); +static bool checkreturn pb_decode_varint32_eof(pb_istream_t *stream, uint32_t *dest, bool *eof); +static bool checkreturn read_raw_value(pb_istream_t *stream, pb_wire_type_t wire_type, pb_byte_t *buf, size_t *size); +static bool checkreturn check_wire_type(pb_wire_type_t wire_type, pb_field_iter_t *field); +static bool checkreturn decode_basic_field(pb_istream_t *stream, pb_field_iter_t *field); +static bool checkreturn decode_static_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field); +static bool checkreturn decode_pointer_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field); +static bool checkreturn decode_callback_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field); +static bool checkreturn decode_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field); +static bool checkreturn default_extension_decoder(pb_istream_t *stream, pb_extension_t *extension, uint32_t tag, pb_wire_type_t wire_type); +static bool checkreturn decode_extension(pb_istream_t *stream, uint32_t tag, pb_wire_type_t wire_type, pb_field_iter_t *iter); +static bool checkreturn find_extension_field(pb_field_iter_t *iter); +static bool pb_message_set_to_defaults(pb_field_iter_t *iter); +static bool checkreturn pb_dec_bool(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_varint(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_fixed(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_bytes(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_string(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_submessage(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_dec_fixed_length_bytes(pb_istream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_skip_varint(pb_istream_t *stream); +static bool checkreturn pb_skip_string(pb_istream_t *stream); + +#ifdef PB_ENABLE_MALLOC +static bool checkreturn allocate_field(pb_istream_t *stream, void *pData, size_t data_size, size_t array_size); +static void initialize_pointer_field(void *pItem, pb_field_iter_t *field); +static bool checkreturn pb_release_union_field(pb_istream_t *stream, pb_field_iter_t *field); +static void pb_release_single_field(pb_field_iter_t *field); +#endif + +#ifdef PB_WITHOUT_64BIT +#define pb_int64_t int32_t +#define pb_uint64_t uint32_t +#else +#define pb_int64_t int64_t +#define pb_uint64_t uint64_t +#endif + +typedef struct { + uint32_t bitfield[(PB_MAX_REQUIRED_FIELDS + 31) / 32]; +} pb_fields_seen_t; + +/******************************* + * pb_istream_t implementation * + *******************************/ + +static bool checkreturn buf_read(pb_istream_t *stream, pb_byte_t *buf, size_t count) +{ + size_t i; + const pb_byte_t *source = (const pb_byte_t*)stream->state; + stream->state = (pb_byte_t*)stream->state + count; + + if (buf != NULL) + { + for (i = 0; i < count; i++) + buf[i] = source[i]; + } + + return true; +} + +bool checkreturn pb_read(pb_istream_t *stream, pb_byte_t *buf, size_t count) +{ + if (count == 0) + return true; + +#ifndef PB_BUFFER_ONLY + if (buf == NULL && stream->callback != buf_read) + { + /* Skip input bytes */ + pb_byte_t tmp[16]; + while (count > 16) + { + if (!pb_read(stream, tmp, 16)) + return false; + + count -= 16; + } + + return pb_read(stream, tmp, count); + } +#endif + + if (stream->bytes_left < count) + PB_RETURN_ERROR(stream, "end-of-stream"); + +#ifndef PB_BUFFER_ONLY + if (!stream->callback(stream, buf, count)) + PB_RETURN_ERROR(stream, "io error"); +#else + if (!buf_read(stream, buf, count)) + return false; +#endif + + stream->bytes_left -= count; + return true; +} + +/* Read a single byte from input stream. buf may not be NULL. + * This is an optimization for the varint decoding. */ +static bool checkreturn pb_readbyte(pb_istream_t *stream, pb_byte_t *buf) +{ + if (stream->bytes_left == 0) + PB_RETURN_ERROR(stream, "end-of-stream"); + +#ifndef PB_BUFFER_ONLY + if (!stream->callback(stream, buf, 1)) + PB_RETURN_ERROR(stream, "io error"); +#else + *buf = *(const pb_byte_t*)stream->state; + stream->state = (pb_byte_t*)stream->state + 1; +#endif + + stream->bytes_left--; + + return true; +} + +pb_istream_t pb_istream_from_buffer(const pb_byte_t *buf, size_t bufsize) +{ + pb_istream_t stream; + /* Cast away the const from buf without a compiler error. We are + * careful to use it only in a const manner in the callbacks. + */ + union { + void *state; + const void *c_state; + } state; +#ifdef PB_BUFFER_ONLY + stream.callback = NULL; +#else + stream.callback = &buf_read; +#endif + state.c_state = buf; + stream.state = state.state; + stream.bytes_left = bufsize; +#ifndef PB_NO_ERRMSG + stream.errmsg = NULL; +#endif + return stream; +} + +/******************** + * Helper functions * + ********************/ + +static bool checkreturn pb_decode_varint32_eof(pb_istream_t *stream, uint32_t *dest, bool *eof) +{ + pb_byte_t byte; + uint32_t result; + + if (!pb_readbyte(stream, &byte)) + { + if (stream->bytes_left == 0) + { + if (eof) + { + *eof = true; + } + } + + return false; + } + + if ((byte & 0x80) == 0) + { + /* Quick case, 1 byte value */ + result = byte; + } + else + { + /* Multibyte case */ + uint_fast8_t bitpos = 7; + result = byte & 0x7F; + + do + { + if (!pb_readbyte(stream, &byte)) + return false; + + if (bitpos >= 32) + { + /* Note: The varint could have trailing 0x80 bytes, or 0xFF for negative. */ + pb_byte_t sign_extension = (bitpos < 63) ? 0xFF : 0x01; + + if ((byte & 0x7F) != 0x00 && ((result >> 31) == 0 || byte != sign_extension)) + { + PB_RETURN_ERROR(stream, "varint overflow"); + } + } + else + { + result |= (uint32_t)(byte & 0x7F) << bitpos; + } + bitpos = (uint_fast8_t)(bitpos + 7); + } while (byte & 0x80); + + if (bitpos == 35 && (byte & 0x70) != 0) + { + /* The last byte was at bitpos=28, so only bottom 4 bits fit. */ + PB_RETURN_ERROR(stream, "varint overflow"); + } + } + + *dest = result; + return true; +} + +bool checkreturn pb_decode_varint32(pb_istream_t *stream, uint32_t *dest) +{ + return pb_decode_varint32_eof(stream, dest, NULL); +} + +#ifndef PB_WITHOUT_64BIT +bool checkreturn pb_decode_varint(pb_istream_t *stream, uint64_t *dest) +{ + pb_byte_t byte; + uint_fast8_t bitpos = 0; + uint64_t result = 0; + + do + { + if (bitpos >= 64) + PB_RETURN_ERROR(stream, "varint overflow"); + + if (!pb_readbyte(stream, &byte)) + return false; + + result |= (uint64_t)(byte & 0x7F) << bitpos; + bitpos = (uint_fast8_t)(bitpos + 7); + } while (byte & 0x80); + + *dest = result; + return true; +} +#endif + +bool checkreturn pb_skip_varint(pb_istream_t *stream) +{ + pb_byte_t byte; + do + { + if (!pb_read(stream, &byte, 1)) + return false; + } while (byte & 0x80); + return true; +} + +bool checkreturn pb_skip_string(pb_istream_t *stream) +{ + uint32_t length; + if (!pb_decode_varint32(stream, &length)) + return false; + + if ((size_t)length != length) + { + PB_RETURN_ERROR(stream, "size too large"); + } + + return pb_read(stream, NULL, (size_t)length); +} + +bool checkreturn pb_decode_tag(pb_istream_t *stream, pb_wire_type_t *wire_type, uint32_t *tag, bool *eof) +{ + uint32_t temp; + *eof = false; + *wire_type = (pb_wire_type_t) 0; + *tag = 0; + + if (!pb_decode_varint32_eof(stream, &temp, eof)) + { + return false; + } + + *tag = temp >> 3; + *wire_type = (pb_wire_type_t)(temp & 7); + return true; +} + +bool checkreturn pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type) +{ + switch (wire_type) + { + case PB_WT_VARINT: return pb_skip_varint(stream); + case PB_WT_64BIT: return pb_read(stream, NULL, 8); + case PB_WT_STRING: return pb_skip_string(stream); + case PB_WT_32BIT: return pb_read(stream, NULL, 4); + default: PB_RETURN_ERROR(stream, "invalid wire_type"); + } +} + +/* Read a raw value to buffer, for the purpose of passing it to callback as + * a substream. Size is maximum size on call, and actual size on return. + */ +static bool checkreturn read_raw_value(pb_istream_t *stream, pb_wire_type_t wire_type, pb_byte_t *buf, size_t *size) +{ + size_t max_size = *size; + switch (wire_type) + { + case PB_WT_VARINT: + *size = 0; + do + { + (*size)++; + if (*size > max_size) + PB_RETURN_ERROR(stream, "varint overflow"); + + if (!pb_read(stream, buf, 1)) + return false; + } while (*buf++ & 0x80); + return true; + + case PB_WT_64BIT: + *size = 8; + return pb_read(stream, buf, 8); + + case PB_WT_32BIT: + *size = 4; + return pb_read(stream, buf, 4); + + case PB_WT_STRING: + /* Calling read_raw_value with a PB_WT_STRING is an error. + * Explicitly handle this case and fallthrough to default to avoid + * compiler warnings. + */ + + default: PB_RETURN_ERROR(stream, "invalid wire_type"); + } +} + +/* Decode string length from stream and return a substream with limited length. + * Remember to close the substream using pb_close_string_substream(). + */ +bool checkreturn pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream) +{ + uint32_t size; + if (!pb_decode_varint32(stream, &size)) + return false; + + *substream = *stream; + if (substream->bytes_left < size) + PB_RETURN_ERROR(stream, "parent stream too short"); + + substream->bytes_left = (size_t)size; + stream->bytes_left -= (size_t)size; + return true; +} + +bool checkreturn pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream) +{ + if (substream->bytes_left) { + if (!pb_read(substream, NULL, substream->bytes_left)) + return false; + } + + stream->state = substream->state; + +#ifndef PB_NO_ERRMSG + stream->errmsg = substream->errmsg; +#endif + return true; +} + +/************************* + * Decode a single field * + *************************/ + +static bool checkreturn check_wire_type(pb_wire_type_t wire_type, pb_field_iter_t *field) +{ + switch (PB_LTYPE(field->type)) + { + case PB_LTYPE_BOOL: + case PB_LTYPE_VARINT: + case PB_LTYPE_UVARINT: + case PB_LTYPE_SVARINT: + return wire_type == PB_WT_VARINT; + + case PB_LTYPE_FIXED32: + return wire_type == PB_WT_32BIT; + + case PB_LTYPE_FIXED64: + return wire_type == PB_WT_64BIT; + + case PB_LTYPE_BYTES: + case PB_LTYPE_STRING: + case PB_LTYPE_SUBMESSAGE: + case PB_LTYPE_SUBMSG_W_CB: + case PB_LTYPE_FIXED_LENGTH_BYTES: + return wire_type == PB_WT_STRING; + + default: + return false; + } +} + +static bool checkreturn decode_basic_field(pb_istream_t *stream, pb_field_iter_t *field) +{ + switch (PB_LTYPE(field->type)) + { + case PB_LTYPE_BOOL: + return pb_dec_bool(stream, field); + + case PB_LTYPE_VARINT: + case PB_LTYPE_UVARINT: + case PB_LTYPE_SVARINT: + return pb_dec_varint(stream, field); + + case PB_LTYPE_FIXED32: + case PB_LTYPE_FIXED64: + return pb_dec_fixed(stream, field); + + case PB_LTYPE_BYTES: + return pb_dec_bytes(stream, field); + + case PB_LTYPE_STRING: + return pb_dec_string(stream, field); + + case PB_LTYPE_SUBMESSAGE: + case PB_LTYPE_SUBMSG_W_CB: + return pb_dec_submessage(stream, field); + + case PB_LTYPE_FIXED_LENGTH_BYTES: + return pb_dec_fixed_length_bytes(stream, field); + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } +} + +static bool checkreturn decode_static_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field) +{ + switch (PB_HTYPE(field->type)) + { + case PB_HTYPE_REQUIRED: + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + return decode_basic_field(stream, field); + + case PB_HTYPE_OPTIONAL: + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + if (field->pSize != NULL) + *(bool*)field->pSize = true; + return decode_basic_field(stream, field); + + case PB_HTYPE_REPEATED: + if (wire_type == PB_WT_STRING + && PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE) + { + /* Packed array */ + bool status = true; + pb_istream_t substream; + pb_size_t *size = (pb_size_t*)field->pSize; + field->pData = (char*)field->pField + field->data_size * (*size); + + if (!pb_make_string_substream(stream, &substream)) + return false; + + while (substream.bytes_left > 0 && *size < field->array_size) + { + if (!decode_basic_field(&substream, field)) + { + status = false; + break; + } + (*size)++; + field->pData = (char*)field->pData + field->data_size; + } + + if (substream.bytes_left != 0) + PB_RETURN_ERROR(stream, "array overflow"); + if (!pb_close_string_substream(stream, &substream)) + return false; + + return status; + } + else + { + /* Repeated field */ + pb_size_t *size = (pb_size_t*)field->pSize; + field->pData = (char*)field->pField + field->data_size * (*size); + + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + if ((*size)++ >= field->array_size) + PB_RETURN_ERROR(stream, "array overflow"); + + return decode_basic_field(stream, field); + } + + case PB_HTYPE_ONEOF: + *(pb_size_t*)field->pSize = field->tag; + if (PB_LTYPE_IS_SUBMSG(field->type)) + { + /* We memset to zero so that any callbacks are set to NULL. + * This is because the callbacks might otherwise have values + * from some other union field. + * If callbacks are needed inside oneof field, use .proto + * option submsg_callback to have a separate callback function + * that can set the fields before submessage is decoded. + * pb_dec_submessage() will set any default values. */ + memset(field->pData, 0, (size_t)field->data_size); + } + + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + return decode_basic_field(stream, field); + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } +} + +#ifdef PB_ENABLE_MALLOC +/* Allocate storage for the field and store the pointer at iter->pData. + * array_size is the number of entries to reserve in an array. + * Zero size is not allowed, use pb_free() for releasing. + */ +static bool checkreturn allocate_field(pb_istream_t *stream, void *pData, size_t data_size, size_t array_size) +{ + void *ptr = *(void**)pData; + + if (data_size == 0 || array_size == 0) + PB_RETURN_ERROR(stream, "invalid size"); + +#ifdef __AVR__ + /* Workaround for AVR libc bug 53284: http://savannah.nongnu.org/bugs/?53284 + * Realloc to size of 1 byte can cause corruption of the malloc structures. + */ + if (data_size == 1 && array_size == 1) + { + data_size = 2; + } +#endif + + /* Check for multiplication overflows. + * This code avoids the costly division if the sizes are small enough. + * Multiplication is safe as long as only half of bits are set + * in either multiplicand. + */ + { + const size_t check_limit = (size_t)1 << (sizeof(size_t) * 4); + if (data_size >= check_limit || array_size >= check_limit) + { + const size_t size_max = (size_t)-1; + if (size_max / array_size < data_size) + { + PB_RETURN_ERROR(stream, "size too large"); + } + } + } + + /* Allocate new or expand previous allocation */ + /* Note: on failure the old pointer will remain in the structure, + * the message must be freed by caller also on error return. */ + ptr = pb_realloc(ptr, array_size * data_size); + if (ptr == NULL) + PB_RETURN_ERROR(stream, "realloc failed"); + + *(void**)pData = ptr; + return true; +} + +/* Clear a newly allocated item in case it contains a pointer, or is a submessage. */ +static void initialize_pointer_field(void *pItem, pb_field_iter_t *field) +{ + if (PB_LTYPE(field->type) == PB_LTYPE_STRING || + PB_LTYPE(field->type) == PB_LTYPE_BYTES) + { + *(void**)pItem = NULL; + } + else if (PB_LTYPE_IS_SUBMSG(field->type)) + { + /* We memset to zero so that any callbacks are set to NULL. + * Then set any default values. */ + pb_field_iter_t submsg_iter; + memset(pItem, 0, field->data_size); + + if (pb_field_iter_begin(&submsg_iter, field->submsg_desc, pItem)) + { + (void)pb_message_set_to_defaults(&submsg_iter); + } + } +} +#endif + +static bool checkreturn decode_pointer_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field) +{ +#ifndef PB_ENABLE_MALLOC + PB_UNUSED(wire_type); + PB_UNUSED(field); + PB_RETURN_ERROR(stream, "no malloc support"); +#else + switch (PB_HTYPE(field->type)) + { + case PB_HTYPE_REQUIRED: + case PB_HTYPE_OPTIONAL: + case PB_HTYPE_ONEOF: + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + if (PB_LTYPE_IS_SUBMSG(field->type) && *(void**)field->pField != NULL) + { + /* Duplicate field, have to release the old allocation first. */ + /* FIXME: Does this work correctly for oneofs? */ + pb_release_single_field(field); + } + + if (PB_HTYPE(field->type) == PB_HTYPE_ONEOF) + { + *(pb_size_t*)field->pSize = field->tag; + } + + if (PB_LTYPE(field->type) == PB_LTYPE_STRING || + PB_LTYPE(field->type) == PB_LTYPE_BYTES) + { + /* pb_dec_string and pb_dec_bytes handle allocation themselves */ + field->pData = field->pField; + return decode_basic_field(stream, field); + } + else + { + if (!allocate_field(stream, field->pField, field->data_size, 1)) + return false; + + field->pData = *(void**)field->pField; + initialize_pointer_field(field->pData, field); + return decode_basic_field(stream, field); + } + + case PB_HTYPE_REPEATED: + if (wire_type == PB_WT_STRING + && PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE) + { + /* Packed array, multiple items come in at once. */ + bool status = true; + pb_size_t *size = (pb_size_t*)field->pSize; + size_t allocated_size = *size; + pb_istream_t substream; + + if (!pb_make_string_substream(stream, &substream)) + return false; + + while (substream.bytes_left) + { + if (*size == PB_SIZE_MAX) + { +#ifndef PB_NO_ERRMSG + stream->errmsg = "too many array entries"; +#endif + status = false; + break; + } + + if ((size_t)*size + 1 > allocated_size) + { + /* Allocate more storage. This tries to guess the + * number of remaining entries. Round the division + * upwards. */ + size_t remain = (substream.bytes_left - 1) / field->data_size + 1; + if (remain < PB_SIZE_MAX - allocated_size) + allocated_size += remain; + else + allocated_size += 1; + + if (!allocate_field(&substream, field->pField, field->data_size, allocated_size)) + { + status = false; + break; + } + } + + /* Decode the array entry */ + field->pData = *(char**)field->pField + field->data_size * (*size); + initialize_pointer_field(field->pData, field); + if (!decode_basic_field(&substream, field)) + { + status = false; + break; + } + + (*size)++; + } + if (!pb_close_string_substream(stream, &substream)) + return false; + + return status; + } + else + { + /* Normal repeated field, i.e. only one item at a time. */ + pb_size_t *size = (pb_size_t*)field->pSize; + + if (*size == PB_SIZE_MAX) + PB_RETURN_ERROR(stream, "too many array entries"); + + if (!check_wire_type(wire_type, field)) + PB_RETURN_ERROR(stream, "wrong wire type"); + + if (!allocate_field(stream, field->pField, field->data_size, (size_t)(*size + 1))) + return false; + + field->pData = *(char**)field->pField + field->data_size * (*size); + (*size)++; + initialize_pointer_field(field->pData, field); + return decode_basic_field(stream, field); + } + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } +#endif +} + +static bool checkreturn decode_callback_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field) +{ + if (!field->descriptor->field_callback) + return pb_skip_field(stream, wire_type); + + if (wire_type == PB_WT_STRING) + { + pb_istream_t substream; + size_t prev_bytes_left; + + if (!pb_make_string_substream(stream, &substream)) + return false; + + do + { + prev_bytes_left = substream.bytes_left; + if (!field->descriptor->field_callback(&substream, NULL, field)) + PB_RETURN_ERROR(stream, "callback failed"); + } while (substream.bytes_left > 0 && substream.bytes_left < prev_bytes_left); + + if (!pb_close_string_substream(stream, &substream)) + return false; + + return true; + } + else + { + /* Copy the single scalar value to stack. + * This is required so that we can limit the stream length, + * which in turn allows to use same callback for packed and + * not-packed fields. */ + pb_istream_t substream; + pb_byte_t buffer[10]; + size_t size = sizeof(buffer); + + if (!read_raw_value(stream, wire_type, buffer, &size)) + return false; + substream = pb_istream_from_buffer(buffer, size); + + return field->descriptor->field_callback(&substream, NULL, field); + } +} + +static bool checkreturn decode_field(pb_istream_t *stream, pb_wire_type_t wire_type, pb_field_iter_t *field) +{ +#ifdef PB_ENABLE_MALLOC + /* When decoding an oneof field, check if there is old data that must be + * released first. */ + if (PB_HTYPE(field->type) == PB_HTYPE_ONEOF) + { + if (!pb_release_union_field(stream, field)) + return false; + } +#endif + + switch (PB_ATYPE(field->type)) + { + case PB_ATYPE_STATIC: + return decode_static_field(stream, wire_type, field); + + case PB_ATYPE_POINTER: + return decode_pointer_field(stream, wire_type, field); + + case PB_ATYPE_CALLBACK: + return decode_callback_field(stream, wire_type, field); + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } +} + +/* Default handler for extension fields. Expects to have a pb_msgdesc_t + * pointer in the extension->type->arg field, pointing to a message with + * only one field in it. */ +static bool checkreturn default_extension_decoder(pb_istream_t *stream, + pb_extension_t *extension, uint32_t tag, pb_wire_type_t wire_type) +{ + pb_field_iter_t iter; + + if (!pb_field_iter_begin_extension(&iter, extension)) + PB_RETURN_ERROR(stream, "invalid extension"); + + if (iter.tag != tag) + return true; + + extension->found = true; + return decode_field(stream, wire_type, &iter); +} + +/* Try to decode an unknown field as an extension field. Tries each extension + * decoder in turn, until one of them handles the field or loop ends. */ +static bool checkreturn decode_extension(pb_istream_t *stream, + uint32_t tag, pb_wire_type_t wire_type, pb_field_iter_t *iter) +{ + pb_extension_t *extension = *(pb_extension_t* const *)iter->pData; + size_t pos = stream->bytes_left; + + while (extension != NULL && pos == stream->bytes_left) + { + bool status; + if (extension->type->decode) + status = extension->type->decode(stream, extension, tag, wire_type); + else + status = default_extension_decoder(stream, extension, tag, wire_type); + + if (!status) + return false; + + extension = extension->next; + } + + return true; +} + +/* Step through the iterator until an extension field is found or until all + * entries have been checked. There can be only one extension field per + * message. Returns false if no extension field is found. */ +static bool checkreturn find_extension_field(pb_field_iter_t *iter) +{ + pb_size_t start = iter->index; + + do { + if (PB_LTYPE(iter->type) == PB_LTYPE_EXTENSION) + return true; + (void)pb_field_iter_next(iter); + } while (iter->index != start); + + return false; +} + +/* Initialize message fields to default values, recursively */ +static bool pb_field_set_to_default(pb_field_iter_t *field) +{ + pb_type_t type; + type = field->type; + + if (PB_LTYPE(type) == PB_LTYPE_EXTENSION) + { + pb_extension_t *ext = *(pb_extension_t* const *)field->pData; + while (ext != NULL) + { + pb_field_iter_t ext_iter; + if (pb_field_iter_begin_extension(&ext_iter, ext)) + { + ext->found = false; + if (!pb_message_set_to_defaults(&ext_iter)) + return false; + } + ext = ext->next; + } + } + else if (PB_ATYPE(type) == PB_ATYPE_STATIC) + { + bool init_data = true; + if (PB_HTYPE(type) == PB_HTYPE_OPTIONAL && field->pSize != NULL) + { + /* Set has_field to false. Still initialize the optional field + * itself also. */ + *(bool*)field->pSize = false; + } + else if (PB_HTYPE(type) == PB_HTYPE_REPEATED || + PB_HTYPE(type) == PB_HTYPE_ONEOF) + { + /* REPEATED: Set array count to 0, no need to initialize contents. + ONEOF: Set which_field to 0. */ + *(pb_size_t*)field->pSize = 0; + init_data = false; + } + + if (init_data) + { + if (PB_LTYPE_IS_SUBMSG(field->type)) + { + /* Initialize submessage to defaults */ + pb_field_iter_t submsg_iter; + if (pb_field_iter_begin(&submsg_iter, field->submsg_desc, field->pData)) + { + if (!pb_message_set_to_defaults(&submsg_iter)) + return false; + } + } + else + { + /* Initialize to zeros */ + memset(field->pData, 0, (size_t)field->data_size); + } + } + } + else if (PB_ATYPE(type) == PB_ATYPE_POINTER) + { + /* Initialize the pointer to NULL. */ + *(void**)field->pField = NULL; + + /* Initialize array count to 0. */ + if (PB_HTYPE(type) == PB_HTYPE_REPEATED || + PB_HTYPE(type) == PB_HTYPE_ONEOF) + { + *(pb_size_t*)field->pSize = 0; + } + } + else if (PB_ATYPE(type) == PB_ATYPE_CALLBACK) + { + /* Don't overwrite callback */ + } + + return true; +} + +static bool pb_message_set_to_defaults(pb_field_iter_t *iter) +{ + pb_istream_t defstream = PB_ISTREAM_EMPTY; + uint32_t tag = 0; + pb_wire_type_t wire_type = PB_WT_VARINT; + bool eof; + + if (iter->descriptor->default_value) + { + defstream = pb_istream_from_buffer(iter->descriptor->default_value, (size_t)-1); + if (!pb_decode_tag(&defstream, &wire_type, &tag, &eof)) + return false; + } + + do + { + if (!pb_field_set_to_default(iter)) + return false; + + if (tag != 0 && iter->tag == tag) + { + /* We have a default value for this field in the defstream */ + if (!decode_field(&defstream, wire_type, iter)) + return false; + if (!pb_decode_tag(&defstream, &wire_type, &tag, &eof)) + return false; + + if (iter->pSize) + *(bool*)iter->pSize = false; + } + } while (pb_field_iter_next(iter)); + + return true; +} + +/********************* + * Decode all fields * + *********************/ + +static bool checkreturn pb_decode_inner(pb_istream_t *stream, const pb_msgdesc_t *fields, void *dest_struct, unsigned int flags) +{ + uint32_t extension_range_start = 0; + + /* 'fixed_count_field' and 'fixed_count_size' track position of a repeated fixed + * count field. This can only handle _one_ repeated fixed count field that + * is unpacked and unordered among other (non repeated fixed count) fields. + */ + pb_size_t fixed_count_field = PB_SIZE_MAX; + pb_size_t fixed_count_size = 0; + pb_size_t fixed_count_total_size = 0; + + pb_fields_seen_t fields_seen = {{0, 0}}; + const uint32_t allbits = ~(uint32_t)0; + pb_field_iter_t iter; + + if (pb_field_iter_begin(&iter, fields, dest_struct)) + { + if ((flags & PB_DECODE_NOINIT) == 0) + { + if (!pb_message_set_to_defaults(&iter)) + PB_RETURN_ERROR(stream, "failed to set defaults"); + } + } + + while (stream->bytes_left) + { + uint32_t tag; + pb_wire_type_t wire_type; + bool eof; + + if (!pb_decode_tag(stream, &wire_type, &tag, &eof)) + { + if (eof) + break; + else + return false; + } + + if (tag == 0) + { + if (flags & PB_DECODE_NULLTERMINATED) + { + break; + } + else + { + PB_RETURN_ERROR(stream, "zero tag"); + } + } + + if (!pb_field_iter_find(&iter, tag) || PB_LTYPE(iter.type) == PB_LTYPE_EXTENSION) + { + /* No match found, check if it matches an extension. */ + if (tag >= extension_range_start) + { + if (!find_extension_field(&iter)) + extension_range_start = (uint32_t)-1; + else + extension_range_start = iter.tag; + + if (tag >= extension_range_start) + { + size_t pos = stream->bytes_left; + + if (!decode_extension(stream, tag, wire_type, &iter)) + return false; + + if (pos != stream->bytes_left) + { + /* The field was handled */ + continue; + } + } + } + + /* No match found, skip data */ + if (!pb_skip_field(stream, wire_type)) + return false; + continue; + } + + /* If a repeated fixed count field was found, get size from + * 'fixed_count_field' as there is no counter contained in the struct. + */ + if (PB_HTYPE(iter.type) == PB_HTYPE_REPEATED && iter.pSize == &iter.array_size) + { + if (fixed_count_field != iter.index) { + /* If the new fixed count field does not match the previous one, + * check that the previous one is NULL or that it finished + * receiving all the expected data. + */ + if (fixed_count_field != PB_SIZE_MAX && + fixed_count_size != fixed_count_total_size) + { + PB_RETURN_ERROR(stream, "wrong size for fixed count field"); + } + + fixed_count_field = iter.index; + fixed_count_size = 0; + fixed_count_total_size = iter.array_size; + } + + iter.pSize = &fixed_count_size; + } + + if (PB_HTYPE(iter.type) == PB_HTYPE_REQUIRED + && iter.required_field_index < PB_MAX_REQUIRED_FIELDS) + { + uint32_t tmp = ((uint32_t)1 << (iter.required_field_index & 31)); + fields_seen.bitfield[iter.required_field_index >> 5] |= tmp; + } + + if (!decode_field(stream, wire_type, &iter)) + return false; + } + + /* Check that all elements of the last decoded fixed count field were present. */ + if (fixed_count_field != PB_SIZE_MAX && + fixed_count_size != fixed_count_total_size) + { + PB_RETURN_ERROR(stream, "wrong size for fixed count field"); + } + + /* Check that all required fields were present. */ + { + /* First figure out the number of required fields by + * seeking to the end of the field array. Usually we + * are already close to end after decoding. + */ + pb_size_t req_field_count; + pb_type_t last_type; + pb_size_t i; + do { + req_field_count = iter.required_field_index; + last_type = iter.type; + } while (pb_field_iter_next(&iter)); + + /* Fixup if last field was also required. */ + if (PB_HTYPE(last_type) == PB_HTYPE_REQUIRED && iter.tag != 0) + req_field_count++; + + if (req_field_count > PB_MAX_REQUIRED_FIELDS) + req_field_count = PB_MAX_REQUIRED_FIELDS; + + if (req_field_count > 0) + { + /* Check the whole words */ + for (i = 0; i < (req_field_count >> 5); i++) + { + if (fields_seen.bitfield[i] != allbits) + PB_RETURN_ERROR(stream, "missing required field"); + } + + /* Check the remaining bits (if any) */ + if ((req_field_count & 31) != 0) + { + if (fields_seen.bitfield[req_field_count >> 5] != + (allbits >> (uint_least8_t)(32 - (req_field_count & 31)))) + { + PB_RETURN_ERROR(stream, "missing required field"); + } + } + } + } + + return true; +} + +bool checkreturn pb_decode_ex(pb_istream_t *stream, const pb_msgdesc_t *fields, void *dest_struct, unsigned int flags) +{ + bool status; + + if ((flags & PB_DECODE_DELIMITED) == 0) + { + status = pb_decode_inner(stream, fields, dest_struct, flags); + } + else + { + pb_istream_t substream; + if (!pb_make_string_substream(stream, &substream)) + return false; + + status = pb_decode_inner(&substream, fields, dest_struct, flags); + + if (!pb_close_string_substream(stream, &substream)) + return false; + } + +#ifdef PB_ENABLE_MALLOC + if (!status) + pb_release(fields, dest_struct); +#endif + + return status; +} + +bool checkreturn pb_decode(pb_istream_t *stream, const pb_msgdesc_t *fields, void *dest_struct) +{ + bool status; + + status = pb_decode_inner(stream, fields, dest_struct, 0); + +#ifdef PB_ENABLE_MALLOC + if (!status) + pb_release(fields, dest_struct); +#endif + + return status; +} + +#ifdef PB_ENABLE_MALLOC +/* Given an oneof field, if there has already been a field inside this oneof, + * release it before overwriting with a different one. */ +static bool pb_release_union_field(pb_istream_t *stream, pb_field_iter_t *field) +{ + pb_field_iter_t old_field = *field; + pb_size_t old_tag = *(pb_size_t*)field->pSize; /* Previous which_ value */ + pb_size_t new_tag = field->tag; /* New which_ value */ + + if (old_tag == 0) + return true; /* Ok, no old data in union */ + + if (old_tag == new_tag) + return true; /* Ok, old data is of same type => merge */ + + /* Release old data. The find can fail if the message struct contains + * invalid data. */ + if (!pb_field_iter_find(&old_field, old_tag)) + PB_RETURN_ERROR(stream, "invalid union tag"); + + pb_release_single_field(&old_field); + + return true; +} + +static void pb_release_single_field(pb_field_iter_t *field) +{ + pb_type_t type; + type = field->type; + + if (PB_HTYPE(type) == PB_HTYPE_ONEOF) + { + if (*(pb_size_t*)field->pSize != field->tag) + return; /* This is not the current field in the union */ + } + + /* Release anything contained inside an extension or submsg. + * This has to be done even if the submsg itself is statically + * allocated. */ + if (PB_LTYPE(type) == PB_LTYPE_EXTENSION) + { + /* Release fields from all extensions in the linked list */ + pb_extension_t *ext = *(pb_extension_t**)field->pData; + while (ext != NULL) + { + pb_field_iter_t ext_iter; + if (pb_field_iter_begin_extension(&ext_iter, ext)) + { + pb_release_single_field(&ext_iter); + } + ext = ext->next; + } + } + else if (PB_LTYPE_IS_SUBMSG(type) && PB_ATYPE(type) != PB_ATYPE_CALLBACK) + { + /* Release fields in submessage or submsg array */ + pb_size_t count = 1; + + if (PB_ATYPE(type) == PB_ATYPE_POINTER) + { + field->pData = *(void**)field->pField; + } + else + { + field->pData = field->pField; + } + + if (PB_HTYPE(type) == PB_HTYPE_REPEATED) + { + count = *(pb_size_t*)field->pSize; + + if (PB_ATYPE(type) == PB_ATYPE_STATIC && count > field->array_size) + { + /* Protect against corrupted _count fields */ + count = field->array_size; + } + } + + if (field->pData) + { + while (count--) + { + pb_release(field->submsg_desc, field->pData); + field->pData = (char*)field->pData + field->data_size; + } + } + } + + if (PB_ATYPE(type) == PB_ATYPE_POINTER) + { + if (PB_HTYPE(type) == PB_HTYPE_REPEATED && + (PB_LTYPE(type) == PB_LTYPE_STRING || + PB_LTYPE(type) == PB_LTYPE_BYTES)) + { + /* Release entries in repeated string or bytes array */ + void **pItem = *(void***)field->pField; + pb_size_t count = *(pb_size_t*)field->pSize; + while (count--) + { + pb_free(*pItem); + *pItem++ = NULL; + } + } + + if (PB_HTYPE(type) == PB_HTYPE_REPEATED) + { + /* We are going to release the array, so set the size to 0 */ + *(pb_size_t*)field->pSize = 0; + } + + /* Release main pointer */ + pb_free(*(void**)field->pField); + *(void**)field->pField = NULL; + } +} + +void pb_release(const pb_msgdesc_t *fields, void *dest_struct) +{ + pb_field_iter_t iter; + + if (!dest_struct) + return; /* Ignore NULL pointers, similar to free() */ + + if (!pb_field_iter_begin(&iter, fields, dest_struct)) + return; /* Empty message type */ + + do + { + pb_release_single_field(&iter); + } while (pb_field_iter_next(&iter)); +} +#endif + +/* Field decoders */ + +bool pb_decode_bool(pb_istream_t *stream, bool *dest) +{ + uint32_t value; + if (!pb_decode_varint32(stream, &value)) + return false; + + *(bool*)dest = (value != 0); + return true; +} + +bool pb_decode_svarint(pb_istream_t *stream, pb_int64_t *dest) +{ + pb_uint64_t value; + if (!pb_decode_varint(stream, &value)) + return false; + + if (value & 1) + *dest = (pb_int64_t)(~(value >> 1)); + else + *dest = (pb_int64_t)(value >> 1); + + return true; +} + +bool pb_decode_fixed32(pb_istream_t *stream, void *dest) +{ + union { + uint32_t fixed32; + pb_byte_t bytes[4]; + } u; + + if (!pb_read(stream, u.bytes, 4)) + return false; + +#if defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN && CHAR_BIT == 8 + /* fast path - if we know that we're on little endian, assign directly */ + *(uint32_t*)dest = u.fixed32; +#else + *(uint32_t*)dest = ((uint32_t)u.bytes[0] << 0) | + ((uint32_t)u.bytes[1] << 8) | + ((uint32_t)u.bytes[2] << 16) | + ((uint32_t)u.bytes[3] << 24); +#endif + return true; +} + +#ifndef PB_WITHOUT_64BIT +bool pb_decode_fixed64(pb_istream_t *stream, void *dest) +{ + union { + uint64_t fixed64; + pb_byte_t bytes[8]; + } u; + + if (!pb_read(stream, u.bytes, 8)) + return false; + +#if defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN && CHAR_BIT == 8 + /* fast path - if we know that we're on little endian, assign directly */ + *(uint64_t*)dest = u.fixed64; +#else + *(uint64_t*)dest = ((uint64_t)u.bytes[0] << 0) | + ((uint64_t)u.bytes[1] << 8) | + ((uint64_t)u.bytes[2] << 16) | + ((uint64_t)u.bytes[3] << 24) | + ((uint64_t)u.bytes[4] << 32) | + ((uint64_t)u.bytes[5] << 40) | + ((uint64_t)u.bytes[6] << 48) | + ((uint64_t)u.bytes[7] << 56); +#endif + return true; +} +#endif + +static bool checkreturn pb_dec_bool(pb_istream_t *stream, const pb_field_iter_t *field) +{ + return pb_decode_bool(stream, (bool*)field->pData); +} + +static bool checkreturn pb_dec_varint(pb_istream_t *stream, const pb_field_iter_t *field) +{ + if (PB_LTYPE(field->type) == PB_LTYPE_UVARINT) + { + pb_uint64_t value, clamped; + if (!pb_decode_varint(stream, &value)) + return false; + + /* Cast to the proper field size, while checking for overflows */ + if (field->data_size == sizeof(pb_uint64_t)) + clamped = *(pb_uint64_t*)field->pData = value; + else if (field->data_size == sizeof(uint32_t)) + clamped = *(uint32_t*)field->pData = (uint32_t)value; + else if (field->data_size == sizeof(uint_least16_t)) + clamped = *(uint_least16_t*)field->pData = (uint_least16_t)value; + else if (field->data_size == sizeof(uint_least8_t)) + clamped = *(uint_least8_t*)field->pData = (uint_least8_t)value; + else + PB_RETURN_ERROR(stream, "invalid data_size"); + + if (clamped != value) + PB_RETURN_ERROR(stream, "integer too large"); + + return true; + } + else + { + pb_uint64_t value; + pb_int64_t svalue; + pb_int64_t clamped; + + if (PB_LTYPE(field->type) == PB_LTYPE_SVARINT) + { + if (!pb_decode_svarint(stream, &svalue)) + return false; + } + else + { + if (!pb_decode_varint(stream, &value)) + return false; + + /* See issue 97: Google's C++ protobuf allows negative varint values to + * be cast as int32_t, instead of the int64_t that should be used when + * encoding. Previous nanopb versions had a bug in encoding. In order to + * not break decoding of such messages, we cast <=32 bit fields to + * int32_t first to get the sign correct. + */ + if (field->data_size == sizeof(pb_int64_t)) + svalue = (pb_int64_t)value; + else + svalue = (int32_t)value; + } + + /* Cast to the proper field size, while checking for overflows */ + if (field->data_size == sizeof(pb_int64_t)) + clamped = *(pb_int64_t*)field->pData = svalue; + else if (field->data_size == sizeof(int32_t)) + clamped = *(int32_t*)field->pData = (int32_t)svalue; + else if (field->data_size == sizeof(int_least16_t)) + clamped = *(int_least16_t*)field->pData = (int_least16_t)svalue; + else if (field->data_size == sizeof(int_least8_t)) + clamped = *(int_least8_t*)field->pData = (int_least8_t)svalue; + else + PB_RETURN_ERROR(stream, "invalid data_size"); + + if (clamped != svalue) + PB_RETURN_ERROR(stream, "integer too large"); + + return true; + } +} + +static bool checkreturn pb_dec_fixed(pb_istream_t *stream, const pb_field_iter_t *field) +{ +#ifdef PB_CONVERT_DOUBLE_FLOAT + if (field->data_size == sizeof(float) && PB_LTYPE(field->type) == PB_LTYPE_FIXED64) + { + return pb_decode_double_as_float(stream, (float*)field->pData); + } +#endif + + if (field->data_size == sizeof(uint32_t)) + { + return pb_decode_fixed32(stream, field->pData); + } +#ifndef PB_WITHOUT_64BIT + else if (field->data_size == sizeof(uint64_t)) + { + return pb_decode_fixed64(stream, field->pData); + } +#endif + else + { + PB_RETURN_ERROR(stream, "invalid data_size"); + } +} + +static bool checkreturn pb_dec_bytes(pb_istream_t *stream, const pb_field_iter_t *field) +{ + uint32_t size; + size_t alloc_size; + pb_bytes_array_t *dest; + + if (!pb_decode_varint32(stream, &size)) + return false; + + if (size > PB_SIZE_MAX) + PB_RETURN_ERROR(stream, "bytes overflow"); + + alloc_size = PB_BYTES_ARRAY_T_ALLOCSIZE(size); + if (size > alloc_size) + PB_RETURN_ERROR(stream, "size too large"); + + if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) + { +#ifndef PB_ENABLE_MALLOC + PB_RETURN_ERROR(stream, "no malloc support"); +#else + if (stream->bytes_left < size) + PB_RETURN_ERROR(stream, "end-of-stream"); + + if (!allocate_field(stream, field->pData, alloc_size, 1)) + return false; + dest = *(pb_bytes_array_t**)field->pData; +#endif + } + else + { + if (alloc_size > field->data_size) + PB_RETURN_ERROR(stream, "bytes overflow"); + dest = (pb_bytes_array_t*)field->pData; + } + + dest->size = (pb_size_t)size; + return pb_read(stream, dest->bytes, (size_t)size); +} + +static bool checkreturn pb_dec_string(pb_istream_t *stream, const pb_field_iter_t *field) +{ + uint32_t size; + size_t alloc_size; + pb_byte_t *dest = (pb_byte_t*)field->pData; + + if (!pb_decode_varint32(stream, &size)) + return false; + + if (size == (uint32_t)-1) + PB_RETURN_ERROR(stream, "size too large"); + + /* Space for null terminator */ + alloc_size = (size_t)(size + 1); + + if (alloc_size < size) + PB_RETURN_ERROR(stream, "size too large"); + + if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) + { +#ifndef PB_ENABLE_MALLOC + PB_RETURN_ERROR(stream, "no malloc support"); +#else + if (stream->bytes_left < size) + PB_RETURN_ERROR(stream, "end-of-stream"); + + if (!allocate_field(stream, field->pData, alloc_size, 1)) + return false; + dest = *(pb_byte_t**)field->pData; +#endif + } + else + { + if (alloc_size > field->data_size) + PB_RETURN_ERROR(stream, "string overflow"); + } + + dest[size] = 0; + + if (!pb_read(stream, dest, (size_t)size)) + return false; + +#ifdef PB_VALIDATE_UTF8 + if (!pb_validate_utf8((const char*)dest)) + PB_RETURN_ERROR(stream, "invalid utf8"); +#endif + + return true; +} + +static bool checkreturn pb_dec_submessage(pb_istream_t *stream, const pb_field_iter_t *field) +{ + bool status = true; + pb_istream_t substream; + + if (!pb_make_string_substream(stream, &substream)) + return false; + + if (field->submsg_desc == NULL) + PB_RETURN_ERROR(stream, "invalid field descriptor"); + + /* New array entries need to be initialized, while required and optional + * submessages have already been initialized in the top-level pb_decode. */ + if (PB_HTYPE(field->type) == PB_HTYPE_REPEATED || + PB_HTYPE(field->type) == PB_HTYPE_ONEOF) + { + pb_field_iter_t submsg_iter; + if (pb_field_iter_begin(&submsg_iter, field->submsg_desc, field->pData)) + { + if (!pb_message_set_to_defaults(&submsg_iter)) + PB_RETURN_ERROR(stream, "failed to set defaults"); + } + } + + /* Submessages can have a separate message-level callback that is called + * before decoding the message. Typically it is used to set callback fields + * inside oneofs. */ + if (PB_LTYPE(field->type) == PB_LTYPE_SUBMSG_W_CB && field->pSize != NULL) + { + /* Message callback is stored right before pSize. */ + pb_callback_t *callback = (pb_callback_t*)field->pSize - 1; + if (callback->funcs.decode) + { + status = callback->funcs.decode(&substream, field, &callback->arg); + } + } + + /* Now decode the submessage contents */ + if (status) + { + status = pb_decode_inner(&substream, field->submsg_desc, field->pData, 0); + } + + if (!pb_close_string_substream(stream, &substream)) + return false; + + return status; +} + +static bool checkreturn pb_dec_fixed_length_bytes(pb_istream_t *stream, const pb_field_iter_t *field) +{ + uint32_t size; + + if (!pb_decode_varint32(stream, &size)) + return false; + + if (size > PB_SIZE_MAX) + PB_RETURN_ERROR(stream, "bytes overflow"); + + if (size == 0) + { + /* As a special case, treat empty bytes string as all zeros for fixed_length_bytes. */ + memset(field->pData, 0, (size_t)field->data_size); + return true; + } + + if (size != field->data_size) + PB_RETURN_ERROR(stream, "incorrect fixed length bytes size"); + + return pb_read(stream, (pb_byte_t*)field->pData, (size_t)field->data_size); +} + +#ifdef PB_CONVERT_DOUBLE_FLOAT +bool pb_decode_double_as_float(pb_istream_t *stream, float *dest) +{ + uint_least8_t sign; + int exponent; + uint32_t mantissa; + uint64_t value; + union { float f; uint32_t i; } out; + + if (!pb_decode_fixed64(stream, &value)) + return false; + + /* Decompose input value */ + sign = (uint_least8_t)((value >> 63) & 1); + exponent = (int)((value >> 52) & 0x7FF) - 1023; + mantissa = (value >> 28) & 0xFFFFFF; /* Highest 24 bits */ + + /* Figure if value is in range representable by floats. */ + if (exponent == 1024) + { + /* Special value */ + exponent = 128; + } + else if (exponent > 127) + { + /* Too large, convert to infinity */ + exponent = 128; + mantissa = 0; + } + else if (exponent < -150) + { + /* Too small, convert to zero */ + exponent = -127; + mantissa = 0; + } + else if (exponent < -126) + { + /* Denormalized */ + mantissa |= 0x1000000; + mantissa >>= (-126 - exponent); + exponent = -127; + } + + /* Round off mantissa */ + mantissa = (mantissa + 1) >> 1; + + /* Check if mantissa went over 2.0 */ + if (mantissa & 0x800000) + { + exponent += 1; + mantissa &= 0x7FFFFF; + mantissa >>= 1; + } + + /* Combine fields */ + out.i = mantissa; + out.i |= (uint32_t)(exponent + 127) << 23; + out.i |= (uint32_t)sign << 31; + + *dest = out.f; + return true; +} +#endif diff --git a/Src/pb_encode.c b/Src/pb_encode.c new file mode 100644 index 0000000..409fec3 --- /dev/null +++ b/Src/pb_encode.c @@ -0,0 +1,958 @@ +/* pb_encode.c -- encode a protobuf using minimal resources + * + * 2011 Petteri Aimonen + */ + +#include "pb.h" +#include "pb_encode.h" +#include "pb_common.h" + +/* Use the GCC warn_unused_result attribute to check that all return values + * are propagated correctly. On other compilers and gcc before 3.4.0 just + * ignore the annotation. + */ +#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4) + #define checkreturn +#else + #define checkreturn __attribute__((warn_unused_result)) +#endif + +/************************************** + * Declarations internal to this file * + **************************************/ +static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count); +static bool checkreturn encode_array(pb_ostream_t *stream, pb_field_iter_t *field); +static bool checkreturn pb_check_proto3_default_value(const pb_field_iter_t *field); +static bool checkreturn encode_basic_field(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn encode_callback_field(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn encode_field(pb_ostream_t *stream, pb_field_iter_t *field); +static bool checkreturn encode_extension_field(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn default_extension_encoder(pb_ostream_t *stream, const pb_extension_t *extension); +static bool checkreturn pb_encode_varint_32(pb_ostream_t *stream, uint32_t low, uint32_t high); +static bool checkreturn pb_enc_bool(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_fixed(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_iter_t *field); +static bool checkreturn pb_enc_fixed_length_bytes(pb_ostream_t *stream, const pb_field_iter_t *field); + +#ifdef PB_WITHOUT_64BIT +#define pb_int64_t int32_t +#define pb_uint64_t uint32_t +#else +#define pb_int64_t int64_t +#define pb_uint64_t uint64_t +#endif + +/******************************* + * pb_ostream_t implementation * + *******************************/ + +static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count) +{ + size_t i; + pb_byte_t *dest = (pb_byte_t*)stream->state; + stream->state = dest + count; + + for (i = 0; i < count; i++) + dest[i] = buf[i]; + + return true; +} + +pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize) +{ + pb_ostream_t stream; +#ifdef PB_BUFFER_ONLY + stream.callback = (void*)1; /* Just a marker value */ +#else + stream.callback = &buf_write; +#endif + stream.state = buf; + stream.max_size = bufsize; + stream.bytes_written = 0; +#ifndef PB_NO_ERRMSG + stream.errmsg = NULL; +#endif + return stream; +} + +bool checkreturn pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count) +{ + if (count > 0 && stream->callback != NULL) + { + if (stream->bytes_written + count > stream->max_size) + PB_RETURN_ERROR(stream, "stream full"); + +#ifdef PB_BUFFER_ONLY + if (!buf_write(stream, buf, count)) + PB_RETURN_ERROR(stream, "io error"); +#else + if (!stream->callback(stream, buf, count)) + PB_RETURN_ERROR(stream, "io error"); +#endif + } + + stream->bytes_written += count; + return true; +} + +/************************* + * Encode a single field * + *************************/ + +/* Read a bool value without causing undefined behavior even if the value + * is invalid. See issue #434 and + * https://stackoverflow.com/questions/27661768/weird-results-for-conditional + */ +static bool safe_read_bool(const void *pSize) +{ + const char *p = (const char *)pSize; + size_t i; + for (i = 0; i < sizeof(bool); i++) + { + if (p[i] != 0) + return true; + } + return false; +} + +/* Encode a static array. Handles the size calculations and possible packing. */ +static bool checkreturn encode_array(pb_ostream_t *stream, pb_field_iter_t *field) +{ + pb_size_t i; + pb_size_t count; +#ifndef PB_ENCODE_ARRAYS_UNPACKED + size_t size; +#endif + + count = *(pb_size_t*)field->pSize; + + if (count == 0) + return true; + + if (PB_ATYPE(field->type) != PB_ATYPE_POINTER && count > field->array_size) + PB_RETURN_ERROR(stream, "array max size exceeded"); + +#ifndef PB_ENCODE_ARRAYS_UNPACKED + /* We always pack arrays if the datatype allows it. */ + if (PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE) + { + if (!pb_encode_tag(stream, PB_WT_STRING, field->tag)) + return false; + + /* Determine the total size of packed array. */ + if (PB_LTYPE(field->type) == PB_LTYPE_FIXED32) + { + size = 4 * (size_t)count; + } + else if (PB_LTYPE(field->type) == PB_LTYPE_FIXED64) + { + size = 8 * (size_t)count; + } + else + { + pb_ostream_t sizestream = PB_OSTREAM_SIZING; + void *pData_orig = field->pData; + for (i = 0; i < count; i++) + { + if (!pb_enc_varint(&sizestream, field)) + PB_RETURN_ERROR(stream, PB_GET_ERROR(&sizestream)); + field->pData = (char*)field->pData + field->data_size; + } + field->pData = pData_orig; + size = sizestream.bytes_written; + } + + if (!pb_encode_varint(stream, (pb_uint64_t)size)) + return false; + + if (stream->callback == NULL) + return pb_write(stream, NULL, size); /* Just sizing.. */ + + /* Write the data */ + for (i = 0; i < count; i++) + { + if (PB_LTYPE(field->type) == PB_LTYPE_FIXED32 || PB_LTYPE(field->type) == PB_LTYPE_FIXED64) + { + if (!pb_enc_fixed(stream, field)) + return false; + } + else + { + if (!pb_enc_varint(stream, field)) + return false; + } + + field->pData = (char*)field->pData + field->data_size; + } + } + else /* Unpacked fields */ +#endif + { + for (i = 0; i < count; i++) + { + /* Normally the data is stored directly in the array entries, but + * for pointer-type string and bytes fields, the array entries are + * actually pointers themselves also. So we have to dereference once + * more to get to the actual data. */ + if (PB_ATYPE(field->type) == PB_ATYPE_POINTER && + (PB_LTYPE(field->type) == PB_LTYPE_STRING || + PB_LTYPE(field->type) == PB_LTYPE_BYTES)) + { + bool status; + void *pData_orig = field->pData; + field->pData = *(void* const*)field->pData; + + if (!field->pData) + { + /* Null pointer in array is treated as empty string / bytes */ + status = pb_encode_tag_for_field(stream, field) && + pb_encode_varint(stream, 0); + } + else + { + status = encode_basic_field(stream, field); + } + + field->pData = pData_orig; + + if (!status) + return false; + } + else + { + if (!encode_basic_field(stream, field)) + return false; + } + field->pData = (char*)field->pData + field->data_size; + } + } + + return true; +} + +/* In proto3, all fields are optional and are only encoded if their value is "non-zero". + * This function implements the check for the zero value. */ +static bool checkreturn pb_check_proto3_default_value(const pb_field_iter_t *field) +{ + pb_type_t type = field->type; + + if (PB_ATYPE(type) == PB_ATYPE_STATIC) + { + if (PB_HTYPE(type) == PB_HTYPE_REQUIRED) + { + /* Required proto2 fields inside proto3 submessage, pretty rare case */ + return false; + } + else if (PB_HTYPE(type) == PB_HTYPE_REPEATED) + { + /* Repeated fields inside proto3 submessage: present if count != 0 */ + return *(const pb_size_t*)field->pSize == 0; + } + else if (PB_HTYPE(type) == PB_HTYPE_ONEOF) + { + /* Oneof fields */ + return *(const pb_size_t*)field->pSize == 0; + } + else if (PB_HTYPE(type) == PB_HTYPE_OPTIONAL && field->pSize != NULL) + { + /* Proto2 optional fields inside proto3 message, or proto3 + * submessage fields. */ + return safe_read_bool(field->pSize) == false; + } + + /* Rest is proto3 singular fields */ + if (PB_LTYPE(type) == PB_LTYPE_BYTES) + { + const pb_bytes_array_t *bytes = (const pb_bytes_array_t*)field->pData; + return bytes->size == 0; + } + else if (PB_LTYPE(type) == PB_LTYPE_STRING) + { + return *(const char*)field->pData == '\0'; + } + else if (PB_LTYPE(type) == PB_LTYPE_FIXED_LENGTH_BYTES) + { + /* Fixed length bytes is only empty if its length is fixed + * as 0. Which would be pretty strange, but we can check + * it anyway. */ + return field->data_size == 0; + } + else if (PB_LTYPE_IS_SUBMSG(type)) + { + /* Check all fields in the submessage to find if any of them + * are non-zero. The comparison cannot be done byte-per-byte + * because the C struct may contain padding bytes that must + * be skipped. Note that usually proto3 submessages have + * a separate has_field that is checked earlier in this if. + */ + pb_field_iter_t iter; + if (pb_field_iter_begin(&iter, field->submsg_desc, field->pData)) + { + do + { + if (!pb_check_proto3_default_value(&iter)) + { + return false; + } + } while (pb_field_iter_next(&iter)); + } + return true; + } + } + + { + /* Catch-all branch that does byte-per-byte comparison for zero value. + * + * This is for all pointer fields, and for static PB_LTYPE_VARINT, + * UVARINT, SVARINT, FIXED32, FIXED64, EXTENSION fields, and also + * callback fields. These all have integer or pointer value which + * can be compared with 0. + */ + pb_size_t i; + const char *p = (const char*)field->pData; + for (i = 0; i < field->data_size; i++) + { + if (p[i] != 0) + { + return false; + } + } + + return true; + } +} + +/* Encode a field with static or pointer allocation, i.e. one whose data + * is available to the encoder directly. */ +static bool checkreturn encode_basic_field(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + if (!field->pData) + { + /* Missing pointer field */ + return true; + } + + if (!pb_encode_tag_for_field(stream, field)) + return false; + + switch (PB_LTYPE(field->type)) + { + case PB_LTYPE_BOOL: + return pb_enc_bool(stream, field); + + case PB_LTYPE_VARINT: + case PB_LTYPE_UVARINT: + case PB_LTYPE_SVARINT: + return pb_enc_varint(stream, field); + + case PB_LTYPE_FIXED32: + case PB_LTYPE_FIXED64: + return pb_enc_fixed(stream, field); + + case PB_LTYPE_BYTES: + return pb_enc_bytes(stream, field); + + case PB_LTYPE_STRING: + return pb_enc_string(stream, field); + + case PB_LTYPE_SUBMESSAGE: + case PB_LTYPE_SUBMSG_W_CB: + return pb_enc_submessage(stream, field); + + case PB_LTYPE_FIXED_LENGTH_BYTES: + return pb_enc_fixed_length_bytes(stream, field); + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } +} + +/* Encode a field with callback semantics. This means that a user function is + * called to provide and encode the actual data. */ +static bool checkreturn encode_callback_field(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + if (field->descriptor->field_callback != NULL) + { + if (!field->descriptor->field_callback(NULL, stream, field)) + PB_RETURN_ERROR(stream, "callback error"); + } + return true; +} + +/* Encode a single field of any callback, pointer or static type. */ +static bool checkreturn encode_field(pb_ostream_t *stream, pb_field_iter_t *field) +{ + /* Check field presence */ + if (PB_HTYPE(field->type) == PB_HTYPE_ONEOF) + { + if (*(const pb_size_t*)field->pSize != field->tag) + { + /* Different type oneof field */ + return true; + } + } + else if (PB_HTYPE(field->type) == PB_HTYPE_OPTIONAL) + { + if (field->pSize) + { + if (safe_read_bool(field->pSize) == false) + { + /* Missing optional field */ + return true; + } + } + else if (PB_ATYPE(field->type) == PB_ATYPE_STATIC) + { + /* Proto3 singular field */ + if (pb_check_proto3_default_value(field)) + return true; + } + } + + if (!field->pData) + { + if (PB_HTYPE(field->type) == PB_HTYPE_REQUIRED) + PB_RETURN_ERROR(stream, "missing required field"); + + /* Pointer field set to NULL */ + return true; + } + + /* Then encode field contents */ + if (PB_ATYPE(field->type) == PB_ATYPE_CALLBACK) + { + return encode_callback_field(stream, field); + } + else if (PB_HTYPE(field->type) == PB_HTYPE_REPEATED) + { + return encode_array(stream, field); + } + else + { + return encode_basic_field(stream, field); + } +} + +/* Default handler for extension fields. Expects to have a pb_msgdesc_t + * pointer in the extension->type->arg field, pointing to a message with + * only one field in it. */ +static bool checkreturn default_extension_encoder(pb_ostream_t *stream, const pb_extension_t *extension) +{ + pb_field_iter_t iter; + + if (!pb_field_iter_begin_extension_const(&iter, extension)) + PB_RETURN_ERROR(stream, "invalid extension"); + + return encode_field(stream, &iter); +} + + +/* Walk through all the registered extensions and give them a chance + * to encode themselves. */ +static bool checkreturn encode_extension_field(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + const pb_extension_t *extension = *(const pb_extension_t* const *)field->pData; + + while (extension) + { + bool status; + if (extension->type->encode) + status = extension->type->encode(stream, extension); + else + status = default_extension_encoder(stream, extension); + + if (!status) + return false; + + extension = extension->next; + } + + return true; +} + +/********************* + * Encode all fields * + *********************/ + +bool checkreturn pb_encode(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct) +{ + pb_field_iter_t iter; + if (!pb_field_iter_begin_const(&iter, fields, src_struct)) + return true; /* Empty message type */ + + do { + if (PB_LTYPE(iter.type) == PB_LTYPE_EXTENSION) + { + /* Special case for the extension field placeholder */ + if (!encode_extension_field(stream, &iter)) + return false; + } + else + { + /* Regular field */ + if (!encode_field(stream, &iter)) + return false; + } + } while (pb_field_iter_next(&iter)); + + return true; +} + +bool checkreturn pb_encode_ex(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct, unsigned int flags) +{ + if ((flags & PB_ENCODE_DELIMITED) != 0) + { + return pb_encode_submessage(stream, fields, src_struct); + } + else if ((flags & PB_ENCODE_NULLTERMINATED) != 0) + { + const pb_byte_t zero = 0; + + if (!pb_encode(stream, fields, src_struct)) + return false; + + return pb_write(stream, &zero, 1); + } + else + { + return pb_encode(stream, fields, src_struct); + } +} + +bool pb_get_encoded_size(size_t *size, const pb_msgdesc_t *fields, const void *src_struct) +{ + pb_ostream_t stream = PB_OSTREAM_SIZING; + + if (!pb_encode(&stream, fields, src_struct)) + return false; + + *size = stream.bytes_written; + return true; +} + +/******************** + * Helper functions * + ********************/ + +/* This function avoids 64-bit shifts as they are quite slow on many platforms. */ +static bool checkreturn pb_encode_varint_32(pb_ostream_t *stream, uint32_t low, uint32_t high) +{ + size_t i = 0; + pb_byte_t buffer[10]; + pb_byte_t byte = (pb_byte_t)(low & 0x7F); + low >>= 7; + + while (i < 4 && (low != 0 || high != 0)) + { + byte |= 0x80; + buffer[i++] = byte; + byte = (pb_byte_t)(low & 0x7F); + low >>= 7; + } + + if (high) + { + byte = (pb_byte_t)(byte | ((high & 0x07) << 4)); + high >>= 3; + + while (high) + { + byte |= 0x80; + buffer[i++] = byte; + byte = (pb_byte_t)(high & 0x7F); + high >>= 7; + } + } + + buffer[i++] = byte; + + return pb_write(stream, buffer, i); +} + +bool checkreturn pb_encode_varint(pb_ostream_t *stream, pb_uint64_t value) +{ + if (value <= 0x7F) + { + /* Fast path: single byte */ + pb_byte_t byte = (pb_byte_t)value; + return pb_write(stream, &byte, 1); + } + else + { +#ifdef PB_WITHOUT_64BIT + return pb_encode_varint_32(stream, value, 0); +#else + return pb_encode_varint_32(stream, (uint32_t)value, (uint32_t)(value >> 32)); +#endif + } +} + +bool checkreturn pb_encode_svarint(pb_ostream_t *stream, pb_int64_t value) +{ + pb_uint64_t zigzagged; + if (value < 0) + zigzagged = ~((pb_uint64_t)value << 1); + else + zigzagged = (pb_uint64_t)value << 1; + + return pb_encode_varint(stream, zigzagged); +} + +bool checkreturn pb_encode_fixed32(pb_ostream_t *stream, const void *value) +{ + uint32_t val = *(const uint32_t*)value; + pb_byte_t bytes[4]; + bytes[0] = (pb_byte_t)(val & 0xFF); + bytes[1] = (pb_byte_t)((val >> 8) & 0xFF); + bytes[2] = (pb_byte_t)((val >> 16) & 0xFF); + bytes[3] = (pb_byte_t)((val >> 24) & 0xFF); + return pb_write(stream, bytes, 4); +} + +#ifndef PB_WITHOUT_64BIT +bool checkreturn pb_encode_fixed64(pb_ostream_t *stream, const void *value) +{ + uint64_t val = *(const uint64_t*)value; + pb_byte_t bytes[8]; + bytes[0] = (pb_byte_t)(val & 0xFF); + bytes[1] = (pb_byte_t)((val >> 8) & 0xFF); + bytes[2] = (pb_byte_t)((val >> 16) & 0xFF); + bytes[3] = (pb_byte_t)((val >> 24) & 0xFF); + bytes[4] = (pb_byte_t)((val >> 32) & 0xFF); + bytes[5] = (pb_byte_t)((val >> 40) & 0xFF); + bytes[6] = (pb_byte_t)((val >> 48) & 0xFF); + bytes[7] = (pb_byte_t)((val >> 56) & 0xFF); + return pb_write(stream, bytes, 8); +} +#endif + +bool checkreturn pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number) +{ + pb_uint64_t tag = ((pb_uint64_t)field_number << 3) | wiretype; + return pb_encode_varint(stream, tag); +} + +bool pb_encode_tag_for_field ( pb_ostream_t* stream, const pb_field_iter_t* field ) +{ + pb_wire_type_t wiretype; + switch (PB_LTYPE(field->type)) + { + case PB_LTYPE_BOOL: + case PB_LTYPE_VARINT: + case PB_LTYPE_UVARINT: + case PB_LTYPE_SVARINT: + wiretype = PB_WT_VARINT; + break; + + case PB_LTYPE_FIXED32: + wiretype = PB_WT_32BIT; + break; + + case PB_LTYPE_FIXED64: + wiretype = PB_WT_64BIT; + break; + + case PB_LTYPE_BYTES: + case PB_LTYPE_STRING: + case PB_LTYPE_SUBMESSAGE: + case PB_LTYPE_SUBMSG_W_CB: + case PB_LTYPE_FIXED_LENGTH_BYTES: + wiretype = PB_WT_STRING; + break; + + default: + PB_RETURN_ERROR(stream, "invalid field type"); + } + + return pb_encode_tag(stream, wiretype, field->tag); +} + +bool checkreturn pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size) +{ + if (!pb_encode_varint(stream, (pb_uint64_t)size)) + return false; + + return pb_write(stream, buffer, size); +} + +bool checkreturn pb_encode_submessage(pb_ostream_t *stream, const pb_msgdesc_t *fields, const void *src_struct) +{ + /* First calculate the message size using a non-writing substream. */ + pb_ostream_t substream = PB_OSTREAM_SIZING; + size_t size; + bool status; + + if (!pb_encode(&substream, fields, src_struct)) + { +#ifndef PB_NO_ERRMSG + stream->errmsg = substream.errmsg; +#endif + return false; + } + + size = substream.bytes_written; + + if (!pb_encode_varint(stream, (pb_uint64_t)size)) + return false; + + if (stream->callback == NULL) + return pb_write(stream, NULL, size); /* Just sizing */ + + if (stream->bytes_written + size > stream->max_size) + PB_RETURN_ERROR(stream, "stream full"); + + /* Use a substream to verify that a callback doesn't write more than + * what it did the first time. */ + substream.callback = stream->callback; + substream.state = stream->state; + substream.max_size = size; + substream.bytes_written = 0; +#ifndef PB_NO_ERRMSG + substream.errmsg = NULL; +#endif + + status = pb_encode(&substream, fields, src_struct); + + stream->bytes_written += substream.bytes_written; + stream->state = substream.state; +#ifndef PB_NO_ERRMSG + stream->errmsg = substream.errmsg; +#endif + + if (substream.bytes_written != size) + PB_RETURN_ERROR(stream, "submsg size changed"); + + return status; +} + +/* Field encoders */ + +static bool checkreturn pb_enc_bool(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + uint32_t value = safe_read_bool(field->pData) ? 1 : 0; + PB_UNUSED(field); + return pb_encode_varint(stream, value); +} + +static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + if (PB_LTYPE(field->type) == PB_LTYPE_UVARINT) + { + /* Perform unsigned integer extension */ + pb_uint64_t value = 0; + + if (field->data_size == sizeof(uint_least8_t)) + value = *(const uint_least8_t*)field->pData; + else if (field->data_size == sizeof(uint_least16_t)) + value = *(const uint_least16_t*)field->pData; + else if (field->data_size == sizeof(uint32_t)) + value = *(const uint32_t*)field->pData; + else if (field->data_size == sizeof(pb_uint64_t)) + value = *(const pb_uint64_t*)field->pData; + else + PB_RETURN_ERROR(stream, "invalid data_size"); + + return pb_encode_varint(stream, value); + } + else + { + /* Perform signed integer extension */ + pb_int64_t value = 0; + + if (field->data_size == sizeof(int_least8_t)) + value = *(const int_least8_t*)field->pData; + else if (field->data_size == sizeof(int_least16_t)) + value = *(const int_least16_t*)field->pData; + else if (field->data_size == sizeof(int32_t)) + value = *(const int32_t*)field->pData; + else if (field->data_size == sizeof(pb_int64_t)) + value = *(const pb_int64_t*)field->pData; + else + PB_RETURN_ERROR(stream, "invalid data_size"); + + if (PB_LTYPE(field->type) == PB_LTYPE_SVARINT) + return pb_encode_svarint(stream, value); +#ifdef PB_WITHOUT_64BIT + else if (value < 0) + return pb_encode_varint_32(stream, (uint32_t)value, (uint32_t)-1); +#endif + else + return pb_encode_varint(stream, (pb_uint64_t)value); + + } +} + +static bool checkreturn pb_enc_fixed(pb_ostream_t *stream, const pb_field_iter_t *field) +{ +#ifdef PB_CONVERT_DOUBLE_FLOAT + if (field->data_size == sizeof(float) && PB_LTYPE(field->type) == PB_LTYPE_FIXED64) + { + return pb_encode_float_as_double(stream, *(float*)field->pData); + } +#endif + + if (field->data_size == sizeof(uint32_t)) + { + return pb_encode_fixed32(stream, field->pData); + } +#ifndef PB_WITHOUT_64BIT + else if (field->data_size == sizeof(uint64_t)) + { + return pb_encode_fixed64(stream, field->pData); + } +#endif + else + { + PB_RETURN_ERROR(stream, "invalid data_size"); + } +} + +static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + const pb_bytes_array_t *bytes = NULL; + + bytes = (const pb_bytes_array_t*)field->pData; + + if (bytes == NULL) + { + /* Treat null pointer as an empty bytes field */ + return pb_encode_string(stream, NULL, 0); + } + + if (PB_ATYPE(field->type) == PB_ATYPE_STATIC && + PB_BYTES_ARRAY_T_ALLOCSIZE(bytes->size) > field->data_size) + { + PB_RETURN_ERROR(stream, "bytes size exceeded"); + } + + return pb_encode_string(stream, bytes->bytes, (size_t)bytes->size); +} + +static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + size_t size = 0; + size_t max_size = (size_t)field->data_size; + const char *str = (const char*)field->pData; + + if (PB_ATYPE(field->type) == PB_ATYPE_POINTER) + { + max_size = (size_t)-1; + } + else + { + /* pb_dec_string() assumes string fields end with a null + * terminator when the type isn't PB_ATYPE_POINTER, so we + * shouldn't allow more than max-1 bytes to be written to + * allow space for the null terminator. + */ + if (max_size == 0) + PB_RETURN_ERROR(stream, "zero-length string"); + + max_size -= 1; + } + + + if (str == NULL) + { + size = 0; /* Treat null pointer as an empty string */ + } + else + { + const char *p = str; + + /* strnlen() is not always available, so just use a loop */ + while (size < max_size && *p != '\0') + { + size++; + p++; + } + + if (*p != '\0') + { + PB_RETURN_ERROR(stream, "unterminated string"); + } + } + +#ifdef PB_VALIDATE_UTF8 + if (!pb_validate_utf8(str)) + PB_RETURN_ERROR(stream, "invalid utf8"); +#endif + + return pb_encode_string(stream, (const pb_byte_t*)str, size); +} + +static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + if (field->submsg_desc == NULL) + PB_RETURN_ERROR(stream, "invalid field descriptor"); + + if (PB_LTYPE(field->type) == PB_LTYPE_SUBMSG_W_CB && field->pSize != NULL) + { + /* Message callback is stored right before pSize. */ + pb_callback_t *callback = (pb_callback_t*)field->pSize - 1; + if (callback->funcs.encode) + { + if (!callback->funcs.encode(stream, field, &callback->arg)) + return false; + } + } + + return pb_encode_submessage(stream, field->submsg_desc, field->pData); +} + +static bool checkreturn pb_enc_fixed_length_bytes(pb_ostream_t *stream, const pb_field_iter_t *field) +{ + return pb_encode_string(stream, (const pb_byte_t*)field->pData, (size_t)field->data_size); +} + +#ifdef PB_CONVERT_DOUBLE_FLOAT +bool pb_encode_float_as_double(pb_ostream_t *stream, float value) +{ + union { float f; uint32_t i; } in; + uint_least8_t sign; + int exponent; + uint64_t mantissa; + + in.f = value; + + /* Decompose input value */ + sign = (uint_least8_t)((in.i >> 31) & 1); + exponent = (int)((in.i >> 23) & 0xFF) - 127; + mantissa = in.i & 0x7FFFFF; + + if (exponent == 128) + { + /* Special value (NaN etc.) */ + exponent = 1024; + } + else if (exponent == -127) + { + if (!mantissa) + { + /* Zero */ + exponent = -1023; + } + else + { + /* Denormalized */ + mantissa <<= 1; + while (!(mantissa & 0x800000)) + { + mantissa <<= 1; + exponent--; + } + mantissa &= 0x7FFFFF; + } + } + + /* Combine fields */ + mantissa <<= 29; + mantissa |= (uint64_t)(exponent + 1023) << 52; + mantissa |= (uint64_t)sign << 63; + + return pb_encode_fixed64(stream, &mantissa); +} +#endif diff --git a/Src/stm32f4xx_hal_msp.c b/Src/stm32f4xx_hal_msp.c new file mode 100644 index 0000000..d19bcec --- /dev/null +++ b/Src/stm32f4xx_hal_msp.c @@ -0,0 +1,214 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * File Name : stm32f4xx_hal_msp.c + * Description : This file provides code for the MSP Initialization + * and de-Initialization codes. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" +/* USER CODE BEGIN Includes */ + +/* USER CODE END Includes */ + +/* Private typedef -----------------------------------------------------------*/ +/* USER CODE BEGIN TD */ + +/* USER CODE END TD */ + +/* Private define ------------------------------------------------------------*/ +/* USER CODE BEGIN Define */ + +/* USER CODE END Define */ + +/* Private macro -------------------------------------------------------------*/ +/* USER CODE BEGIN Macro */ + +/* USER CODE END Macro */ + +/* Private variables ---------------------------------------------------------*/ +/* USER CODE BEGIN PV */ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +/* USER CODE BEGIN PFP */ + +/* USER CODE END PFP */ + +/* External functions --------------------------------------------------------*/ +/* USER CODE BEGIN ExternalFunctions */ + +/* USER CODE END ExternalFunctions */ + +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ +/** + * Initializes the Global MSP. + */ +void HAL_MspInit(void) +{ + /* USER CODE BEGIN MspInit 0 */ + + /* USER CODE END MspInit 0 */ + + __HAL_RCC_SYSCFG_CLK_ENABLE(); + __HAL_RCC_PWR_CLK_ENABLE(); + + /* System interrupt init*/ + + /* USER CODE BEGIN MspInit 1 */ + + /* USER CODE END MspInit 1 */ +} + +/** +* @brief I2C MSP Initialization +* This function configures the hardware resources used in this example +* @param hi2c: I2C handle pointer +* @retval None +*/ +void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c) +{ + GPIO_InitTypeDef GPIO_InitStruct = {0}; + if(hi2c->Instance==I2C1) + { + /* USER CODE BEGIN I2C1_MspInit 0 */ + + /* USER CODE END I2C1_MspInit 0 */ + + __HAL_RCC_GPIOB_CLK_ENABLE(); + /**I2C1 GPIO Configuration + PB6 ------> I2C1_SCL + PB7 ------> I2C1_SDA + */ + GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; + GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF4_I2C1; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* Peripheral clock enable */ + __HAL_RCC_I2C1_CLK_ENABLE(); + /* USER CODE BEGIN I2C1_MspInit 1 */ + + /* USER CODE END I2C1_MspInit 1 */ + } + +} + +/** +* @brief I2C MSP De-Initialization +* This function freeze the hardware resources used in this example +* @param hi2c: I2C handle pointer +* @retval None +*/ +void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c) +{ + if(hi2c->Instance==I2C1) + { + /* USER CODE BEGIN I2C1_MspDeInit 0 */ + + /* USER CODE END I2C1_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_I2C1_CLK_DISABLE(); + + /**I2C1 GPIO Configuration + PB6 ------> I2C1_SCL + PB7 ------> I2C1_SDA + */ + HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7); + + /* USER CODE BEGIN I2C1_MspDeInit 1 */ + + /* USER CODE END I2C1_MspDeInit 1 */ + } + +} + +/** +* @brief UART MSP Initialization +* This function configures the hardware resources used in this example +* @param huart: UART handle pointer +* @retval None +*/ +void HAL_UART_MspInit(UART_HandleTypeDef* huart) +{ + GPIO_InitTypeDef GPIO_InitStruct = {0}; + if(huart->Instance==USART1) + { + /* USER CODE BEGIN USART1_MspInit 0 */ + + /* USER CODE END USART1_MspInit 0 */ + /* Peripheral clock enable */ + __HAL_RCC_USART1_CLK_ENABLE(); + + __HAL_RCC_GPIOA_CLK_ENABLE(); + /**USART1 GPIO Configuration + PA9 ------> USART1_TX + PA10 ------> USART1_RX + */ + GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF7_USART1; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* USER CODE BEGIN USART1_MspInit 1 */ + + /* USER CODE END USART1_MspInit 1 */ + } + +} + +/** +* @brief UART MSP De-Initialization +* This function freeze the hardware resources used in this example +* @param huart: UART handle pointer +* @retval None +*/ +void HAL_UART_MspDeInit(UART_HandleTypeDef* huart) +{ + if(huart->Instance==USART1) + { + /* USER CODE BEGIN USART1_MspDeInit 0 */ + + /* USER CODE END USART1_MspDeInit 0 */ + /* Peripheral clock disable */ + __HAL_RCC_USART1_CLK_DISABLE(); + + /**USART1 GPIO Configuration + PA9 ------> USART1_TX + PA10 ------> USART1_RX + */ + HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10); + + /* USER CODE BEGIN USART1_MspDeInit 1 */ + + /* USER CODE END USART1_MspDeInit 1 */ + } + +} + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Src/stm32f4xx_it.c b/Src/stm32f4xx_it.c new file mode 100644 index 0000000..caabfb4 --- /dev/null +++ b/Src/stm32f4xx_it.c @@ -0,0 +1,203 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file stm32f4xx_it.c + * @brief Interrupt Service Routines. + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2020 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ +/* USER CODE END Header */ + +/* Includes ------------------------------------------------------------------*/ +#include "main.h" +#include "stm32f4xx_it.h" +/* Private includes ----------------------------------------------------------*/ +/* USER CODE BEGIN Includes */ +/* USER CODE END Includes */ + +/* Private typedef -----------------------------------------------------------*/ +/* USER CODE BEGIN TD */ + +/* USER CODE END TD */ + +/* Private define ------------------------------------------------------------*/ +/* USER CODE BEGIN PD */ + +/* USER CODE END PD */ + +/* Private macro -------------------------------------------------------------*/ +/* USER CODE BEGIN PM */ + +/* USER CODE END PM */ + +/* Private variables ---------------------------------------------------------*/ +/* USER CODE BEGIN PV */ + +/* USER CODE END PV */ + +/* Private function prototypes -----------------------------------------------*/ +/* USER CODE BEGIN PFP */ + +/* USER CODE END PFP */ + +/* Private user code ---------------------------------------------------------*/ +/* USER CODE BEGIN 0 */ + +/* USER CODE END 0 */ + +/* External variables --------------------------------------------------------*/ + +/* USER CODE BEGIN EV */ + +/* USER CODE END EV */ + +/******************************************************************************/ +/* Cortex-M4 Processor Interruption and Exception Handlers */ +/******************************************************************************/ +/** + * @brief This function handles Non maskable interrupt. + */ +void NMI_Handler(void) +{ + /* USER CODE BEGIN NonMaskableInt_IRQn 0 */ + + /* USER CODE END NonMaskableInt_IRQn 0 */ + /* USER CODE BEGIN NonMaskableInt_IRQn 1 */ + + /* USER CODE END NonMaskableInt_IRQn 1 */ +} + +/** + * @brief This function handles Hard fault interrupt. + */ +void HardFault_Handler(void) +{ + /* USER CODE BEGIN HardFault_IRQn 0 */ + + /* USER CODE END HardFault_IRQn 0 */ + while (1) + { + /* USER CODE BEGIN W1_HardFault_IRQn 0 */ + /* USER CODE END W1_HardFault_IRQn 0 */ + } +} + +/** + * @brief This function handles Memory management fault. + */ +void MemManage_Handler(void) +{ + /* USER CODE BEGIN MemoryManagement_IRQn 0 */ + + /* USER CODE END MemoryManagement_IRQn 0 */ + while (1) + { + /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */ + /* USER CODE END W1_MemoryManagement_IRQn 0 */ + } +} + +/** + * @brief This function handles Pre-fetch fault, memory access fault. + */ +void BusFault_Handler(void) +{ + /* USER CODE BEGIN BusFault_IRQn 0 */ + + /* USER CODE END BusFault_IRQn 0 */ + while (1) + { + /* USER CODE BEGIN W1_BusFault_IRQn 0 */ + /* USER CODE END W1_BusFault_IRQn 0 */ + } +} + +/** + * @brief This function handles Undefined instruction or illegal state. + */ +void UsageFault_Handler(void) +{ + /* USER CODE BEGIN UsageFault_IRQn 0 */ + + /* USER CODE END UsageFault_IRQn 0 */ + while (1) + { + /* USER CODE BEGIN W1_UsageFault_IRQn 0 */ + /* USER CODE END W1_UsageFault_IRQn 0 */ + } +} + +/** + * @brief This function handles System service call via SWI instruction. + */ +void SVC_Handler(void) +{ + /* USER CODE BEGIN SVCall_IRQn 0 */ + + /* USER CODE END SVCall_IRQn 0 */ + /* USER CODE BEGIN SVCall_IRQn 1 */ + + /* USER CODE END SVCall_IRQn 1 */ +} + +/** + * @brief This function handles Debug monitor. + */ +void DebugMon_Handler(void) +{ + /* USER CODE BEGIN DebugMonitor_IRQn 0 */ + + /* USER CODE END DebugMonitor_IRQn 0 */ + /* USER CODE BEGIN DebugMonitor_IRQn 1 */ + + /* USER CODE END DebugMonitor_IRQn 1 */ +} + +/** + * @brief This function handles Pendable request for system service. + */ +void PendSV_Handler(void) +{ + /* USER CODE BEGIN PendSV_IRQn 0 */ + + /* USER CODE END PendSV_IRQn 0 */ + /* USER CODE BEGIN PendSV_IRQn 1 */ + + /* USER CODE END PendSV_IRQn 1 */ +} + +/** + * @brief This function handles System tick timer. + */ +void SysTick_Handler(void) +{ + /* USER CODE BEGIN SysTick_IRQn 0 */ + + /* USER CODE END SysTick_IRQn 0 */ + HAL_IncTick(); + /* USER CODE BEGIN SysTick_IRQn 1 */ + + /* USER CODE END SysTick_IRQn 1 */ +} + +/******************************************************************************/ +/* STM32F4xx Peripheral Interrupt Handlers */ +/* Add here the Interrupt Handlers for the used peripherals. */ +/* For the available peripheral interrupt handler names, */ +/* please refer to the startup file (startup_stm32f4xx.s). */ +/******************************************************************************/ + +/* USER CODE BEGIN 1 */ + +/* USER CODE END 1 */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/Src/system_stm32f4xx.c b/Src/system_stm32f4xx.c new file mode 100644 index 0000000..7745026 --- /dev/null +++ b/Src/system_stm32f4xx.c @@ -0,0 +1,743 @@ +/** + ****************************************************************************** + * @file system_stm32f4xx.c + * @author MCD Application Team + * @brief CMSIS Cortex-M4 Device Peripheral Access Layer System Source File. + * + * This file provides two functions and one global variable to be called from + * user application: + * - SystemInit(): This function is called at startup just after reset and + * before branch to main program. This call is made inside + * the "startup_stm32f4xx.s" file. + * + * - SystemCoreClock variable: Contains the core clock (HCLK), it can be used + * by the user application to setup the SysTick + * timer or configure other parameters. + * + * - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must + * be called whenever the core clock is changed + * during program execution. + * + * + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2017 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32f4xx_system + * @{ + */ + +/** @addtogroup STM32F4xx_System_Private_Includes + * @{ + */ + + +#include "stm32f4xx.h" + +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)25000000) /*!< Default value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal oscillator in Hz*/ +#endif /* HSI_VALUE */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_TypesDefinitions + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Defines + * @{ + */ + +/************************* Miscellaneous Configuration ************************/ +/*!< Uncomment the following line if you need to use external SRAM or SDRAM as data memory */ +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\ + || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) +/* #define DATA_IN_ExtSRAM */ +#endif /* STM32F40xxx || STM32F41xxx || STM32F42xxx || STM32F43xxx || STM32F469xx || STM32F479xx ||\ + STM32F412Zx || STM32F412Vx */ + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) +/* #define DATA_IN_ExtSDRAM */ +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\ + STM32F479xx */ + +/*!< Uncomment the following line if you need to relocate your vector Table in + Internal SRAM. */ +/* #define VECT_TAB_SRAM */ +#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field. + This value must be a multiple of 0x200. */ +/******************************************************************************/ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Variables + * @{ + */ + /* This variable is updated in three ways: + 1) by calling CMSIS function SystemCoreClockUpdate() + 2) by calling HAL API function HAL_RCC_GetHCLKFreq() + 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency + Note: If you use this function to configure the system clock; then there + is no need to call the 2 first functions listed above, since SystemCoreClock + variable is updated automatically. + */ +uint32_t SystemCoreClock = 16000000; +const uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9}; +const uint8_t APBPrescTable[8] = {0, 0, 0, 0, 1, 2, 3, 4}; +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_FunctionPrototypes + * @{ + */ + +#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) + static void SystemInit_ExtMemCtl(void); +#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ + +/** + * @} + */ + +/** @addtogroup STM32F4xx_System_Private_Functions + * @{ + */ + +/** + * @brief Setup the microcontroller system + * Initialize the FPU setting, vector table location and External memory + * configuration. + * @param None + * @retval None + */ +void SystemInit(void) +{ + /* FPU settings ------------------------------------------------------------*/ + #if (__FPU_PRESENT == 1) && (__FPU_USED == 1) + SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */ + #endif + +#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) + SystemInit_ExtMemCtl(); +#endif /* DATA_IN_ExtSRAM || DATA_IN_ExtSDRAM */ + + /* Configure the Vector Table location add offset address ------------------*/ +#ifdef VECT_TAB_SRAM + SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */ +#else + SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */ +#endif +} + +/** + * @brief Update SystemCoreClock variable according to Clock Register Values. + * The SystemCoreClock variable contains the core clock (HCLK), it can + * be used by the user application to setup the SysTick timer or configure + * other parameters. + * + * @note Each time the core clock (HCLK) changes, this function must be called + * to update SystemCoreClock variable value. Otherwise, any configuration + * based on this variable will be incorrect. + * + * @note - The system frequency computed by this function is not the real + * frequency in the chip. It is calculated based on the predefined + * constant and the selected clock source: + * + * - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*) + * + * - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**) + * + * - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**) + * or HSI_VALUE(*) multiplied/divided by the PLL factors. + * + * (*) HSI_VALUE is a constant defined in stm32f4xx_hal_conf.h file (default value + * 16 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * + * (**) HSE_VALUE is a constant defined in stm32f4xx_hal_conf.h file (its value + * depends on the application requirements), user has to ensure that HSE_VALUE + * is same as the real frequency of the crystal used. Otherwise, this function + * may have wrong result. + * + * - The result of this function could be not correct when using fractional + * value for HSE crystal. + * + * @param None + * @retval None + */ +void SystemCoreClockUpdate(void) +{ + uint32_t tmp = 0, pllvco = 0, pllp = 2, pllsource = 0, pllm = 2; + + /* Get SYSCLK source -------------------------------------------------------*/ + tmp = RCC->CFGR & RCC_CFGR_SWS; + + switch (tmp) + { + case 0x00: /* HSI used as system clock source */ + SystemCoreClock = HSI_VALUE; + break; + case 0x04: /* HSE used as system clock source */ + SystemCoreClock = HSE_VALUE; + break; + case 0x08: /* PLL used as system clock source */ + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N + SYSCLK = PLL_VCO / PLL_P + */ + pllsource = (RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) >> 22; + pllm = RCC->PLLCFGR & RCC_PLLCFGR_PLLM; + + if (pllsource != 0) + { + /* HSE used as PLL clock source */ + pllvco = (HSE_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); + } + else + { + /* HSI used as PLL clock source */ + pllvco = (HSI_VALUE / pllm) * ((RCC->PLLCFGR & RCC_PLLCFGR_PLLN) >> 6); + } + + pllp = (((RCC->PLLCFGR & RCC_PLLCFGR_PLLP) >>16) + 1 ) *2; + SystemCoreClock = pllvco/pllp; + break; + default: + SystemCoreClock = HSI_VALUE; + break; + } + /* Compute HCLK frequency --------------------------------------------------*/ + /* Get HCLK prescaler */ + tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4)]; + /* HCLK frequency */ + SystemCoreClock >>= tmp; +} + +#if defined (DATA_IN_ExtSRAM) && defined (DATA_IN_ExtSDRAM) +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F469xx) || defined(STM32F479xx) +/** + * @brief Setup the external memory controller. + * Called in startup_stm32f4xx.s before jump to main. + * This function configures the external memories (SRAM/SDRAM) + * This SRAM/SDRAM will be used as program data memory (including heap and stack). + * @param None + * @retval None + */ +void SystemInit_ExtMemCtl(void) +{ + __IO uint32_t tmp = 0x00; + + register uint32_t tmpreg = 0, timeout = 0xFFFF; + register __IO uint32_t index; + + /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface clock */ + RCC->AHB1ENR |= 0x000001F8; + + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN); + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x00CCC0CC; + GPIOD->AFR[1] = 0xCCCCCCCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAAAA0A8A; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xFFFF0FCF; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOD->PUPDR = 0x00000000; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00CC0CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAA828A; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC3CF; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* No pull-up, pull-down for PEx pins */ + GPIOE->PUPDR = 0x00000000; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0xCCCCCCCC; + GPIOF->AFR[1] = 0xCCCCCCCC; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAA800AAA; + /* Configure PFx pins speed to 50 MHz */ + GPIOF->OSPEEDR = 0xAA800AAA; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* No pull-up, pull-down for PFx pins */ + GPIOF->PUPDR = 0x00000000; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0xCCCCCCCC; + GPIOG->AFR[1] = 0xCCCCCCCC; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xAAAAAAAA; + /* Configure PGx pins speed to 50 MHz */ + GPIOG->OSPEEDR = 0xAAAAAAAA; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* No pull-up, pull-down for PGx pins */ + GPIOG->PUPDR = 0x00000000; + + /* Connect PHx pins to FMC Alternate function */ + GPIOH->AFR[0] = 0x00C0CC00; + GPIOH->AFR[1] = 0xCCCCCCCC; + /* Configure PHx pins in Alternate function mode */ + GPIOH->MODER = 0xAAAA08A0; + /* Configure PHx pins speed to 50 MHz */ + GPIOH->OSPEEDR = 0xAAAA08A0; + /* Configure PHx pins Output type to push-pull */ + GPIOH->OTYPER = 0x00000000; + /* No pull-up, pull-down for PHx pins */ + GPIOH->PUPDR = 0x00000000; + + /* Connect PIx pins to FMC Alternate function */ + GPIOI->AFR[0] = 0xCCCCCCCC; + GPIOI->AFR[1] = 0x00000CC0; + /* Configure PIx pins in Alternate function mode */ + GPIOI->MODER = 0x0028AAAA; + /* Configure PIx pins speed to 50 MHz */ + GPIOI->OSPEEDR = 0x0028AAAA; + /* Configure PIx pins Output type to push-pull */ + GPIOI->OTYPER = 0x00000000; + /* No pull-up, pull-down for PIx pins */ + GPIOI->PUPDR = 0x00000000; + +/*-- FMC Configuration -------------------------------------------------------*/ + /* Enable the FMC interface clock */ + RCC->AHB3ENR |= 0x00000001; + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + + FMC_Bank5_6->SDCR[0] = 0x000019E4; + FMC_Bank5_6->SDTR[0] = 0x01115351; + + /* SDRAM initialization sequence */ + /* Clock enable command */ + FMC_Bank5_6->SDCMR = 0x00000011; + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Delay */ + for (index = 0; index<1000; index++); + + /* PALL command */ + FMC_Bank5_6->SDCMR = 0x00000012; + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Auto refresh command */ + FMC_Bank5_6->SDCMR = 0x00000073; + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* MRD register program */ + FMC_Bank5_6->SDCMR = 0x00046014; + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Set refresh count */ + tmpreg = FMC_Bank5_6->SDRTR; + FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1)); + + /* Disable write protection */ + tmpreg = FMC_Bank5_6->SDCR[0]; + FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF); + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1->BTCR[2] = 0x00001011; + FMC_Bank1->BTCR[3] = 0x00000201; + FMC_Bank1E->BWTR[2] = 0x0fffffff; +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ +#if defined(STM32F469xx) || defined(STM32F479xx) + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1->BTCR[2] = 0x00001091; + FMC_Bank1->BTCR[3] = 0x00110212; + FMC_Bank1E->BWTR[2] = 0x0fffffff; +#endif /* STM32F469xx || STM32F479xx */ + + (void)(tmp); +} +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ +#elif defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM) +/** + * @brief Setup the external memory controller. + * Called in startup_stm32f4xx.s before jump to main. + * This function configures the external memories (SRAM/SDRAM) + * This SRAM/SDRAM will be used as program data memory (including heap and stack). + * @param None + * @retval None + */ +void SystemInit_ExtMemCtl(void) +{ + __IO uint32_t tmp = 0x00; +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) +#if defined (DATA_IN_ExtSDRAM) + register uint32_t tmpreg = 0, timeout = 0xFFFF; + register __IO uint32_t index; + +#if defined(STM32F446xx) + /* Enable GPIOA, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG interface + clock */ + RCC->AHB1ENR |= 0x0000007D; +#else + /* Enable GPIOC, GPIOD, GPIOE, GPIOF, GPIOG, GPIOH and GPIOI interface + clock */ + RCC->AHB1ENR |= 0x000001F8; +#endif /* STM32F446xx */ + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIOCEN); + +#if defined(STM32F446xx) + /* Connect PAx pins to FMC Alternate function */ + GPIOA->AFR[0] |= 0xC0000000; + GPIOA->AFR[1] |= 0x00000000; + /* Configure PDx pins in Alternate function mode */ + GPIOA->MODER |= 0x00008000; + /* Configure PDx pins speed to 50 MHz */ + GPIOA->OSPEEDR |= 0x00008000; + /* Configure PDx pins Output type to push-pull */ + GPIOA->OTYPER |= 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOA->PUPDR |= 0x00000000; + + /* Connect PCx pins to FMC Alternate function */ + GPIOC->AFR[0] |= 0x00CC0000; + GPIOC->AFR[1] |= 0x00000000; + /* Configure PDx pins in Alternate function mode */ + GPIOC->MODER |= 0x00000A00; + /* Configure PDx pins speed to 50 MHz */ + GPIOC->OSPEEDR |= 0x00000A00; + /* Configure PDx pins Output type to push-pull */ + GPIOC->OTYPER |= 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOC->PUPDR |= 0x00000000; +#endif /* STM32F446xx */ + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x000000CC; + GPIOD->AFR[1] = 0xCC000CCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xA02A000A; + /* Configure PDx pins speed to 50 MHz */ + GPIOD->OSPEEDR = 0xA02A000A; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOD->PUPDR = 0x00000000; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00000CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAA800A; + /* Configure PEx pins speed to 50 MHz */ + GPIOE->OSPEEDR = 0xAAAA800A; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* No pull-up, pull-down for PEx pins */ + GPIOE->PUPDR = 0x00000000; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0xCCCCCCCC; + GPIOF->AFR[1] = 0xCCCCCCCC; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAA800AAA; + /* Configure PFx pins speed to 50 MHz */ + GPIOF->OSPEEDR = 0xAA800AAA; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* No pull-up, pull-down for PFx pins */ + GPIOF->PUPDR = 0x00000000; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0xCCCCCCCC; + GPIOG->AFR[1] = 0xCCCCCCCC; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0xAAAAAAAA; + /* Configure PGx pins speed to 50 MHz */ + GPIOG->OSPEEDR = 0xAAAAAAAA; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* No pull-up, pull-down for PGx pins */ + GPIOG->PUPDR = 0x00000000; + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F469xx) || defined(STM32F479xx) + /* Connect PHx pins to FMC Alternate function */ + GPIOH->AFR[0] = 0x00C0CC00; + GPIOH->AFR[1] = 0xCCCCCCCC; + /* Configure PHx pins in Alternate function mode */ + GPIOH->MODER = 0xAAAA08A0; + /* Configure PHx pins speed to 50 MHz */ + GPIOH->OSPEEDR = 0xAAAA08A0; + /* Configure PHx pins Output type to push-pull */ + GPIOH->OTYPER = 0x00000000; + /* No pull-up, pull-down for PHx pins */ + GPIOH->PUPDR = 0x00000000; + + /* Connect PIx pins to FMC Alternate function */ + GPIOI->AFR[0] = 0xCCCCCCCC; + GPIOI->AFR[1] = 0x00000CC0; + /* Configure PIx pins in Alternate function mode */ + GPIOI->MODER = 0x0028AAAA; + /* Configure PIx pins speed to 50 MHz */ + GPIOI->OSPEEDR = 0x0028AAAA; + /* Configure PIx pins Output type to push-pull */ + GPIOI->OTYPER = 0x00000000; + /* No pull-up, pull-down for PIx pins */ + GPIOI->PUPDR = 0x00000000; +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */ + +/*-- FMC Configuration -------------------------------------------------------*/ + /* Enable the FMC interface clock */ + RCC->AHB3ENR |= 0x00000001; + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + + /* Configure and enable SDRAM bank1 */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCR[0] = 0x00001954; +#else + FMC_Bank5_6->SDCR[0] = 0x000019E4; +#endif /* STM32F446xx */ + FMC_Bank5_6->SDTR[0] = 0x01115351; + + /* SDRAM initialization sequence */ + /* Clock enable command */ + FMC_Bank5_6->SDCMR = 0x00000011; + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Delay */ + for (index = 0; index<1000; index++); + + /* PALL command */ + FMC_Bank5_6->SDCMR = 0x00000012; + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Auto refresh command */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCMR = 0x000000F3; +#else + FMC_Bank5_6->SDCMR = 0x00000073; +#endif /* STM32F446xx */ + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* MRD register program */ +#if defined(STM32F446xx) + FMC_Bank5_6->SDCMR = 0x00044014; +#else + FMC_Bank5_6->SDCMR = 0x00046014; +#endif /* STM32F446xx */ + timeout = 0xFFFF; + while((tmpreg != 0) && (timeout-- > 0)) + { + tmpreg = FMC_Bank5_6->SDSR & 0x00000020; + } + + /* Set refresh count */ + tmpreg = FMC_Bank5_6->SDRTR; +#if defined(STM32F446xx) + FMC_Bank5_6->SDRTR = (tmpreg | (0x0000050C<<1)); +#else + FMC_Bank5_6->SDRTR = (tmpreg | (0x0000027C<<1)); +#endif /* STM32F446xx */ + + /* Disable write protection */ + tmpreg = FMC_Bank5_6->SDCR[0]; + FMC_Bank5_6->SDCR[0] = (tmpreg & 0xFFFFFDFF); +#endif /* DATA_IN_ExtSDRAM */ +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */ + +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx)\ + || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)\ + || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) + +#if defined(DATA_IN_ExtSRAM) +/*-- GPIOs Configuration -----------------------------------------------------*/ + /* Enable GPIOD, GPIOE, GPIOF and GPIOG interface clock */ + RCC->AHB1ENR |= 0x00000078; + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_GPIODEN); + + /* Connect PDx pins to FMC Alternate function */ + GPIOD->AFR[0] = 0x00CCC0CC; + GPIOD->AFR[1] = 0xCCCCCCCC; + /* Configure PDx pins in Alternate function mode */ + GPIOD->MODER = 0xAAAA0A8A; + /* Configure PDx pins speed to 100 MHz */ + GPIOD->OSPEEDR = 0xFFFF0FCF; + /* Configure PDx pins Output type to push-pull */ + GPIOD->OTYPER = 0x00000000; + /* No pull-up, pull-down for PDx pins */ + GPIOD->PUPDR = 0x00000000; + + /* Connect PEx pins to FMC Alternate function */ + GPIOE->AFR[0] = 0xC00CC0CC; + GPIOE->AFR[1] = 0xCCCCCCCC; + /* Configure PEx pins in Alternate function mode */ + GPIOE->MODER = 0xAAAA828A; + /* Configure PEx pins speed to 100 MHz */ + GPIOE->OSPEEDR = 0xFFFFC3CF; + /* Configure PEx pins Output type to push-pull */ + GPIOE->OTYPER = 0x00000000; + /* No pull-up, pull-down for PEx pins */ + GPIOE->PUPDR = 0x00000000; + + /* Connect PFx pins to FMC Alternate function */ + GPIOF->AFR[0] = 0x00CCCCCC; + GPIOF->AFR[1] = 0xCCCC0000; + /* Configure PFx pins in Alternate function mode */ + GPIOF->MODER = 0xAA000AAA; + /* Configure PFx pins speed to 100 MHz */ + GPIOF->OSPEEDR = 0xFF000FFF; + /* Configure PFx pins Output type to push-pull */ + GPIOF->OTYPER = 0x00000000; + /* No pull-up, pull-down for PFx pins */ + GPIOF->PUPDR = 0x00000000; + + /* Connect PGx pins to FMC Alternate function */ + GPIOG->AFR[0] = 0x00CCCCCC; + GPIOG->AFR[1] = 0x000000C0; + /* Configure PGx pins in Alternate function mode */ + GPIOG->MODER = 0x00085AAA; + /* Configure PGx pins speed to 100 MHz */ + GPIOG->OSPEEDR = 0x000CAFFF; + /* Configure PGx pins Output type to push-pull */ + GPIOG->OTYPER = 0x00000000; + /* No pull-up, pull-down for PGx pins */ + GPIOG->PUPDR = 0x00000000; + +/*-- FMC/FSMC Configuration --------------------------------------------------*/ + /* Enable the FMC/FSMC interface clock */ + RCC->AHB3ENR |= 0x00000001; + +#if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1->BTCR[2] = 0x00001011; + FMC_Bank1->BTCR[3] = 0x00000201; + FMC_Bank1E->BWTR[2] = 0x0fffffff; +#endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ +#if defined(STM32F469xx) || defined(STM32F479xx) + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FMCEN); + /* Configure and enable Bank1_SRAM2 */ + FMC_Bank1->BTCR[2] = 0x00001091; + FMC_Bank1->BTCR[3] = 0x00110212; + FMC_Bank1E->BWTR[2] = 0x0fffffff; +#endif /* STM32F469xx || STM32F479xx */ +#if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx)|| defined(STM32F417xx)\ + || defined(STM32F412Zx) || defined(STM32F412Vx) + /* Delay after an RCC peripheral clock enabling */ + tmp = READ_BIT(RCC->AHB3ENR, RCC_AHB3ENR_FSMCEN); + /* Configure and enable Bank1_SRAM2 */ + FSMC_Bank1->BTCR[2] = 0x00001011; + FSMC_Bank1->BTCR[3] = 0x00000201; + FSMC_Bank1E->BWTR[2] = 0x0FFFFFFF; +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F412Zx || STM32F412Vx */ + +#endif /* DATA_IN_ExtSRAM */ +#endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\ + STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Vx */ + (void)(tmp); +} +#endif /* DATA_IN_ExtSRAM && DATA_IN_ExtSDRAM */ +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/master.ioc b/master.ioc index 97166c3..1ce846f 100644 --- a/master.ioc +++ b/master.ioc @@ -13,13 +13,12 @@ Mcu.Package=UFQFPN48 Mcu.Pin0=PC13-ANTI_TAMP Mcu.Pin1=PH0 - OSC_IN Mcu.Pin2=PH1 - OSC_OUT -Mcu.Pin3=PA4 -Mcu.Pin4=PA9 -Mcu.Pin5=PA10 -Mcu.Pin6=PB6 -Mcu.Pin7=PB7 -Mcu.Pin8=VP_SYS_VS_Systick -Mcu.PinsNb=9 +Mcu.Pin3=PA9 +Mcu.Pin4=PA10 +Mcu.Pin5=PB6 +Mcu.Pin6=PB7 +Mcu.Pin7=VP_SYS_VS_Systick +Mcu.PinsNb=8 Mcu.ThirdPartyNb=0 Mcu.UserConstants= Mcu.UserName=STM32F401CCUx @@ -38,10 +37,6 @@ NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false\:true NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false PA10.Mode=Asynchronous PA10.Signal=USART1_RX -PA4.GPIOParameters=GPIO_Label -PA4.GPIO_Label=led -PA4.Locked=true -PA4.Signal=GPIO_Output PA9.Mode=Asynchronous PA9.Signal=USART1_TX PB6.Mode=I2C @@ -88,7 +83,7 @@ ProjectManager.ProjectBuild=false ProjectManager.ProjectFileName=master.ioc ProjectManager.ProjectName=master ProjectManager.StackSize=0x400 -ProjectManager.TargetToolchain=Makefile +ProjectManager.TargetToolchain=MDK-ARM V5.27 ProjectManager.ToolChainLocation= ProjectManager.UnderRoot=false ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_I2C1_Init-I2C1-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true diff --git a/src/main.c b/src/main.c index 1477286..9bfb22a 100644 --- a/src/main.c +++ b/src/main.c @@ -23,7 +23,12 @@ /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ - +#include +#include +#include +#include "handshake.pb.h" +#include "devices.h" +#include "config.h" /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ @@ -37,7 +42,13 @@ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ +#define device_MDR s2m_MDR_response +#define GET_IDX_FROM_ADDR(i2c_addr) i2c_addr-1 +#define GET_BIT_FROM_IDX(a, b) a[b>>5]&(1<<(b%32)) +#define SET_BIT_FROM_IDX(a, b) a[b>>5]|=(1<<(b%32)) +#define COUNTOF(__BUFFER__) (sizeof(__BUFFER__) / sizeof(*(__BUFFER__))) +#define MASTER /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ @@ -55,7 +66,7 @@ static void MX_GPIO_Init(void); static void MX_I2C1_Init(void); static void MX_USART1_UART_Init(void); /* USER CODE BEGIN PFP */ - +bool encode_subscription_callback(pb_ostream_t *ostream, const pb_field_t *field, void * const *arg); /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ @@ -102,8 +113,39 @@ int main(void) /* USER CODE BEGIN WHILE */ while (1) { - /* USER CODE END WHILE */ - +#ifdef MASTER + +#else + uint8_t buffer[128], debug_buf[128]; + s2m_MDR_response res; + res.MDR_version=1.1; + res.module_id = 1; + res.module_class=1; + res.entity_id=32; + + res.subscriptions.funcs.encode=encode_subscription_callback; + pb_ostream_t ostream = pb_ostream_from_buffer(buffer, sizeof(buffer)); + if(!pb_encode(&ostream, s2m_MDR_response_fields, &res)){ + HAL_UART_Transmit(&huart1, "MDR encoding error\r\n", 20, 100); + while(1) { + HAL_GPIO_TogglePin(led_Pin, led_GPIO_Port); + } + } + else { + size_t enc_size = ostream.bytes_written; + sprintf(debug_buf, "Encoded size: %ld\r\n", enc_size); + HAL_UART_Transmit(&huart1, debug_buf, sizeof(debug_buf), 100); + memset(debug_buf, 0, 128); + + HAL_UART_Transmit(&huart1, "Buffer: ", 8, 100); + for(int x=0; xtag == s2m_MDR_response_subscriptions_tag) { + for (int x=0; x<5; x++) { + _subscriptions subs; + subs.module_id = x+10*x; + subs.i2c_address = x+1; + subs.has_entity_id=false; + subs.has_module_class=false; + subs.has_i2c_address=true; + if(!pb_encode_tag_for_field(ostream, field)){ + printf("ERR1\n"); + return false; + } + if(!pb_encode_submessage(ostream, _subscriptions_fields, &subs)){ + printf("ERR2\n"); + return false; + } + } + } + else{ + return false; + } + return true; +} /* USER CODE END 4 */ /** diff --git a/src/main.h b/src/main.h index 4635c2a..5d4be41 100644 --- a/src/main.h +++ b/src/main.h @@ -60,8 +60,6 @@ void Error_Handler(void); /* Private defines -----------------------------------------------------------*/ #define led_Pin GPIO_PIN_13 #define led_GPIO_Port GPIOC -#define ledA4_Pin GPIO_PIN_4 -#define ledA4_GPIO_Port GPIOA /* USER CODE BEGIN Private defines */ /* USER CODE END Private defines */ -- cgit v1.2.3