1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
#ifndef _USB_CDC_MSC_CORE_H_
#define _USB_CDC_MSC_CORE_H_
#include "usbd_cdc_msc_hid0.h"
#include "usbd_msc_bot.h"
#include "usbd_msc_scsi.h"
#include "usbd_ioreq.h"
// Needed for the CDC+MSC+HID state and should be maximum of all template
// config descriptors defined in usbd_cdc_msc_hid.c
#define MAX_TEMPLATE_CONFIG_DESC_SIZE (107)
// CDC, MSC and HID packet sizes
#define CDC_DATA_FS_MAX_PACKET_SIZE (64) // endpoint IN & OUT packet size
#define MSC_MEDIA_PACKET (2048) // was 8192; how low can it go whilst still working?
#define HID_DATA_FS_MAX_PACKET_SIZE (64) // endpoint IN & OUT packet size
// Need to define here for BOT and SCSI layers
#define MSC_IN_EP (0x81)
#define MSC_OUT_EP (0x01)
// Need to define here for usbd_cdc_interface.c (it needs CDC_IN_EP)
#define CDC_IN_EP (0x83)
#define CDC_OUT_EP (0x03)
#define CDC_CMD_EP (0x82)
typedef struct {
uint32_t bitrate;
uint8_t format;
uint8_t paritytype;
uint8_t datatype;
} USBD_CDC_LineCodingTypeDef;
typedef struct {
uint32_t data[CDC_DATA_FS_MAX_PACKET_SIZE/4]; /* Force 32bits alignment */
uint8_t CmdOpCode;
uint8_t CmdLength;
__IO uint32_t TxState;
__IO uint32_t RxState;
} USBD_CDC_HandleTypeDef;
typedef struct _USBD_STORAGE {
int8_t (* Init) (uint8_t lun);
int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
int8_t (* IsReady) (uint8_t lun);
int8_t (* IsWriteProtected) (uint8_t lun);
int8_t (* StartStopUnit)(uint8_t lun, uint8_t started);
int8_t (* PreventAllowMediumRemoval)(uint8_t lun, uint8_t param0);
int8_t (* Read) (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
int8_t (* GetMaxLun)(void);
int8_t *pInquiry;
} USBD_StorageTypeDef;
typedef struct {
uint32_t max_lun;
uint32_t interface;
uint8_t bot_state;
uint8_t bot_status;
uint16_t bot_data_length;
uint8_t bot_data[MSC_MEDIA_PACKET];
USBD_MSC_BOT_CBWTypeDef cbw;
USBD_MSC_BOT_CSWTypeDef csw;
USBD_SCSI_SenseTypeDef scsi_sense [SENSE_LIST_DEEPTH];
uint8_t scsi_sense_head;
uint8_t scsi_sense_tail;
uint16_t scsi_blk_size;
uint32_t scsi_blk_nbr;
uint32_t scsi_blk_addr_in_blks;
uint32_t scsi_blk_len;
// operations of the underlying block device
USBD_StorageTypeDef *bdev_ops;
} USBD_MSC_BOT_HandleTypeDef;
typedef enum {
HID_IDLE = 0,
HID_BUSY,
} HID_StateTypeDef;
typedef struct {
uint32_t Protocol;
uint32_t IdleState;
uint32_t AltSetting;
HID_StateTypeDef state;
} USBD_HID_HandleTypeDef;
typedef struct _usbd_cdc_msc_hid_state_t {
USBD_HandleTypeDef *pdev;
uint8_t usbd_mode;
uint8_t cdc_iface_num;
uint8_t hid_in_ep;
uint8_t hid_out_ep;
uint8_t hid_iface_num;
uint8_t usbd_config_desc_size;
uint8_t *hid_desc;
const uint8_t *hid_report_desc;
USBD_CDC_HandleTypeDef CDC_ClassData;
USBD_MSC_BOT_HandleTypeDef MSC_BOT_ClassData;
USBD_HID_HandleTypeDef HID_ClassData;
// RAM to hold the current configuration descriptor, which we configure on the fly
__ALIGN_BEGIN uint8_t usbd_config_desc[MAX_TEMPLATE_CONFIG_DESC_SIZE] __ALIGN_END;
void *cdc;
void *hid;
} usbd_cdc_msc_hid_state_t;
#define USBD_HID_MOUSE_MAX_PACKET (4)
#define USBD_HID_MOUSE_REPORT_DESC_SIZE (74)
extern const uint8_t USBD_HID_MOUSE_ReportDesc[USBD_HID_MOUSE_REPORT_DESC_SIZE];
#define USBD_HID_KEYBOARD_MAX_PACKET (8)
#define USBD_HID_KEYBOARD_REPORT_DESC_SIZE (63)
extern const uint8_t USBD_HID_KEYBOARD_ReportDesc[USBD_HID_KEYBOARD_REPORT_DESC_SIZE];
extern const USBD_ClassTypeDef USBD_CDC_MSC_HID;
// returns 0 on success, -1 on failure
int USBD_SelectMode(usbd_cdc_msc_hid_state_t *usbd, uint32_t mode, USBD_HID_ModeInfoTypeDef *hid_info);
// returns the current usb mode
uint8_t USBD_GetMode(usbd_cdc_msc_hid_state_t *usbd);
uint8_t USBD_CDC_ReceivePacket(usbd_cdc_msc_hid_state_t *usbd, uint8_t *buf);
uint8_t USBD_CDC_TransmitPacket(usbd_cdc_msc_hid_state_t *usbd, size_t len, const uint8_t *buf);
static inline void USBD_MSC_RegisterStorage(usbd_cdc_msc_hid_state_t *usbd, USBD_StorageTypeDef *fops) {
usbd->MSC_BOT_ClassData.bdev_ops = fops;
}
uint8_t USBD_HID_ReceivePacket(usbd_cdc_msc_hid_state_t *usbd, uint8_t *buf);
int USBD_HID_CanSendReport(usbd_cdc_msc_hid_state_t *usbd);
uint8_t USBD_HID_SendReport(usbd_cdc_msc_hid_state_t *usbd, uint8_t *report, uint16_t len);
uint8_t USBD_HID_SetNAK(usbd_cdc_msc_hid_state_t *usbd);
uint8_t USBD_HID_ClearNAK(usbd_cdc_msc_hid_state_t *usbd);
// These are provided externally to implement the CDC interface
struct _usbd_cdc_itf_t;
uint8_t *usbd_cdc_init(struct _usbd_cdc_itf_t *cdc, usbd_cdc_msc_hid_state_t *usbd);
int8_t usbd_cdc_control(struct _usbd_cdc_itf_t *cdc, uint8_t cmd, uint8_t* pbuf, uint16_t length);
int8_t usbd_cdc_receive(struct _usbd_cdc_itf_t *cdc, size_t len);
// These are provided externally to implement the HID interface
struct _usbd_hid_itf_t;
uint8_t *usbd_hid_init(struct _usbd_hid_itf_t *hid, usbd_cdc_msc_hid_state_t *usbd);
int8_t usbd_hid_receive(struct _usbd_hid_itf_t *hid, size_t len);
#endif // _USB_CDC_MSC_CORE_H_
|
