ports: Make new ports/ sub-directory and move all ports there.

This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.

1 files changed, 0 insertions, 134 deletions

diff --git a/stmhal/usbd_hid_interface.c b/stmhal/usbd_hid_interface.c
deleted file mode 100644
index 11b3a3acd..000000000
--- a/stmhal/usbd_hid_interface.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * This file is part of the MicroPython project, http://micropython.org/
- *
- * Taken from ST Cube library and heavily modified.  See below for original
- * copyright header.
- */
-
-/**
-  ******************************************************************************
-  * @file    USB_Device/CDC_Standalone/Src/usbd_cdc_interface.c
-  * @author  MCD Application Team
-  * @version V1.0.1
-  * @date    26-February-2014
-  * @brief   Source file for USBD CDC interface
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
-  *
-  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
-  * You may not use this file except in compliance with the License.
-  * You may obtain a copy of the License at:
-  *
-  *        http://www.st.com/software_license_agreement_liberty_v2
-  *
-  * Unless required by applicable law or agreed to in writing, software
-  * distributed under the License is distributed on an "AS IS" BASIS,
-  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  * See the License for the specific language governing permissions and
-  * limitations under the License.
-  *
-  ******************************************************************************
-  */
-
-/* Includes ------------------------------------------------------------------*/
-
-#include <stdint.h>
-
-#include "usbd_cdc_msc_hid.h"
-#include "usbd_hid_interface.h"
-
-#include "py/obj.h"
-#include "irq.h"
-#include "usb.h"
-
-/* Private variables ---------------------------------------------------------*/
-
-static uint8_t buffer[2][HID_DATA_FS_MAX_PACKET_SIZE]; // pair of buffers to read individual packets into
-static int8_t current_read_buffer = 0; // which buffer to read from
-static uint32_t last_read_len = 0; // length of last read
-static int8_t current_write_buffer = 0; // which buffer to write to
-
-/* Private function prototypes -----------------------------------------------*/
-static int8_t HID_Itf_Init     (USBD_HandleTypeDef *pdev);
-static int8_t HID_Itf_Receive  (USBD_HandleTypeDef *pdev, uint8_t* pbuf, uint32_t Len);
-
-const USBD_HID_ItfTypeDef USBD_HID_fops = {
-    HID_Itf_Init,
-    HID_Itf_Receive
-};
-
-/**
-  * @brief  HID_Itf_Init
-  *         Initializes the HID media low layer
-  * @param  None
-  * @retval Result of the opeartion: USBD_OK if all operations are OK else USBD_FAIL
-  */
-static int8_t HID_Itf_Init(USBD_HandleTypeDef *pdev)
-{
-    current_read_buffer = 0;
-    last_read_len = 0;
-    current_write_buffer = 0;
-    USBD_HID_SetRxBuffer(pdev, buffer[current_write_buffer]);
-    return USBD_OK;
-}
-
-/**
-  * @brief  HID_Itf_Receive
-  *         Data received over USB OUT endpoint is processed here.
-  * @param  Buf: Buffer of data received
-  * @param  Len: Number of data received (in bytes)
-  * @retval Result of the opeartion: USBD_OK if all operations are OK else USBD_FAIL
-  * @note   The buffer we are passed here is just UserRxBuffer, so we are
-  *         free to modify it.
-  */
-static int8_t HID_Itf_Receive(USBD_HandleTypeDef *pdev, uint8_t* Buf, uint32_t Len) {
-    current_write_buffer = !current_write_buffer;
-    last_read_len = Len;
-    // initiate next USB packet transfer, to append to existing data in buffer
-    USBD_HID_SetRxBuffer(pdev, buffer[current_write_buffer]);
-    USBD_HID_ReceivePacket(pdev);
-    // Set NAK to indicate we need to process read buffer
-    USBD_HID_SetNAK(pdev);
-    return USBD_OK;
-}
-
-// Returns number of ready rx buffers.
-int USBD_HID_RxNum(void) {
-    return (current_read_buffer != current_write_buffer);
-}
-
-// timout in milliseconds.
-// Returns number of bytes read from the device.
-int USBD_HID_Rx(USBD_HandleTypeDef *pdev, uint8_t *buf, uint32_t len, uint32_t timeout) {
-    // Wait until we have buffer to read
-    uint32_t start = HAL_GetTick();
-    while (current_read_buffer == current_write_buffer) {
-        // Wraparound of tick is taken care of by 2's complement arithmetic.
-        if (HAL_GetTick() - start >= timeout) {
-            // timeout
-            return 0;
-        }
-        if (query_irq() == IRQ_STATE_DISABLED) {
-            // IRQs disabled so buffer will never be filled; return immediately
-            return 0;
-        }
-        __WFI(); // enter sleep mode, waiting for interrupt
-    }
-
-    // There is not enough space in buffer
-    if (len < last_read_len) {
-        return 0;
-    }
-
-    // Copy bytes from device to user buffer
-    memcpy(buf, buffer[current_read_buffer], last_read_len);
-    current_read_buffer = !current_read_buffer;
-
-    // Clear NAK to indicate we are ready to read more data
-    USBD_HID_ClearNAK(pdev);
-
-    // Success, return number of bytes read
-    return last_read_len;
-}