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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/*
* This file is part of the Micro Python project, http://micropython.org/
*/
/**
******************************************************************************
* @file USB_Device/CDC_Standalone/Src/usbd_desc.c
* @author MCD Application Team
* @version V1.0.1
* @date 26-February-2014
* @brief This file provides the USBD descriptors and string formating method.
******************************************************************************
* @attention
*
* <h2><center>© 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.
*
******************************************************************************
*/
#include "usbd_core.h"
#include "usbd_desc.h"
#include "usbd_conf.h"
// So we don't clash with existing ST boards, we use the unofficial FOSS VID.
// This needs a proper solution.
#define USBD_VID 0xf055
#define USBD_PID 0x9800
#define USBD_LANGID_STRING 0x409
#define USBD_MANUFACTURER_STRING "Micro Python"
#define USBD_PRODUCT_HS_STRING "Pyboard Virtual Comm Port in HS Mode"
#define USBD_SERIALNUMBER_HS_STRING "000000000010"
#define USBD_PRODUCT_FS_STRING "Pyboard Virtual Comm Port in FS Mode"
#define USBD_SERIALNUMBER_FS_STRING "000000000011"
#define USBD_CONFIGURATION_HS_STRING "VCP Config"
#define USBD_INTERFACE_HS_STRING "VCP Interface"
#define USBD_CONFIGURATION_FS_STRING "VCP Config"
#define USBD_INTERFACE_FS_STRING "VCP Interface"
// USB Standard Device Descriptor
__ALIGN_BEGIN static uint8_t hUSBDDeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = {
0x12, // bLength
USB_DESC_TYPE_DEVICE, // bDescriptorType
0x00, // bcdUSB
0x02,
0x00, // bDeviceClass
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
USB_MAX_EP0_SIZE, // bMaxPacketSize
LOBYTE(USBD_VID), // idVendor
HIBYTE(USBD_VID), // idVendor
LOBYTE(USBD_PID), // idVendor
HIBYTE(USBD_PID), // idVendor
0x00, // bcdDevice rel. 2.00
0x02,
USBD_IDX_MFC_STR, // Index of manufacturer string
USBD_IDX_PRODUCT_STR, // Index of product string
USBD_IDX_SERIAL_STR, // Index of serial number string
USBD_MAX_NUM_CONFIGURATION // bNumConfigurations
};
__ALIGN_BEGIN static uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = {
USB_LEN_LANGID_STR_DESC,
USB_DESC_TYPE_STRING,
LOBYTE(USBD_LANGID_STRING),
HIBYTE(USBD_LANGID_STRING),
};
__ALIGN_BEGIN static uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
// set the PID
void USBD_SetPID(uint16_t pid) {
hUSBDDeviceDesc[10] = LOBYTE(pid);
hUSBDDeviceDesc[11] = HIBYTE(pid);
}
/**
* @brief Returns the device descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
*length = sizeof(hUSBDDeviceDesc);
return hUSBDDeviceDesc;
}
/**
* @brief Returns the LangID string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
*length = sizeof(USBD_LangIDDesc);
return USBD_LangIDDesc;
}
/**
* @brief Returns the product string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
if(speed == 0) {
USBD_GetString((uint8_t *)USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
} else {
USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the manufacturer string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
return USBD_StrDesc;
}
/**
* @brief Returns the serial number string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
if(speed == USBD_SPEED_HIGH) {
USBD_GetString((uint8_t *)USBD_SERIALNUMBER_HS_STRING, USBD_StrDesc, length);
} else {
USBD_GetString((uint8_t *)USBD_SERIALNUMBER_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the configuration string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
if(speed == USBD_SPEED_HIGH) {
USBD_GetString((uint8_t *)USBD_CONFIGURATION_HS_STRING, USBD_StrDesc, length);
} else {
USBD_GetString((uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
/**
* @brief Returns the interface string descriptor.
* @param speed: Current device speed
* @param length: Pointer to data length variable
* @retval Pointer to descriptor buffer
*/
STATIC uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length) {
if(speed == 0) {
USBD_GetString((uint8_t *)USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
} else {
USBD_GetString((uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
}
return USBD_StrDesc;
}
const USBD_DescriptorsTypeDef VCP_Desc = {
USBD_VCP_DeviceDescriptor,
USBD_VCP_LangIDStrDescriptor,
USBD_VCP_ManufacturerStrDescriptor,
USBD_VCP_ProductStrDescriptor,
USBD_VCP_SerialStrDescriptor,
USBD_VCP_ConfigStrDescriptor,
USBD_VCP_InterfaceStrDescriptor,
};
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
