-
Notifications
You must be signed in to change notification settings - Fork 2
/
usb_dev_cdc_acm.cxx
209 lines (174 loc) · 7.39 KB
/
usb_dev_cdc_acm.cxx
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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
// papoon_usb: "Not Insane" USB library for STM32F103xx MCUs
// Copyright (C) 2019,2020 Mark R. Rubin
//
// This file is part of papoon_usb.
//
// The papoon_usb program is free software: you can redistribute it
// and/or modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The papoon_usb program is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// (LICENSE.txt) along with the papoon_usb program. If not, see
// <https://www.gnu.org/licenses/gpl.html>
#include <usb_dev_cdc_acm.hxx>
namespace stm32f10_12357_xx {
const uint8_t UsbDev::_DEVICE_DESC[] = {
0x12, // bLength
static_cast<uint8_t>(UsbDev::DescriptorType::DEVICE),
0x00,
0x02, // bcdUSB = 2.00
0x02, // bDeviceClass: CDC
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
0x40, // bMaxPacketSize0
0x83, // idVendor = 0x0483
0x04, // " = MSB of uint16_t
0x40, // idProduct = 0x5740
0x57, // " = MSB of uint16_t
0x00, // bcdDevice = 2.00
0x02, // " = MSB of uint16_t
1, // Index of string descriptor describing manufacturer
2, // Index of string descriptor describing product
3, // Index of string descriptor describing device serial number
0x01 // bNumConfigurations
};
uint8_t UsbDev::_CONFIG_DESC[] = { // not const because set total size entry
// Configuration Descriptor
0x09, // bLength: Configuration Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::CONFIGURATION),
0, // wTotalLength: including sub-descriptors; will be set a runtime
0x00, // " : MSB of uint16_t
0x02, // bNumInterfaces: 2 interface
0x01, // bConfigurationValue: Configuration value
0x00, // iConfiguration: Index of string descriptor for configuration
0xC0, // bmAttributes: self powered
0x32, // MaxPower 0 mA
// Interface Descriptor
0x09, // bLength: Interface Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::INTERFACE),
// Interface descriptor type
0x00, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x01, // bNumEndpoints: One endpoints used
0x02, // bInterfaceClass: Communication Interface Class
0x02, // bInterfaceSubClass: Abstract Control Model
0x01, // bInterfaceProtocol: Common AT commands
0x00, // iInterface:
// Header Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x00, // bDescriptorSubtype: Header Func Desc
0x10, // bcdCDC: spec release number
0x01,
// Call Management Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x01, // bDescriptorSubtype: Call Management Func Desc
0x00, // bmCapabilities: D0+D1
0x01, // bDataInterface: 1
// ACM Functional Descriptor
0x04, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x02, // bDescriptorSubtype: Abstract Control Management desc
0x02, // bmCapabilities
// Union Functional Descriptor
0x05, // bFunctionLength
0x24, // bDescriptorType: CS_INTERFACE
0x06, // bDescriptorSubtype: Union func desc
0x00, // bMasterInterface: Communication class interface
0x01, // bSlaveInterface0: Data Class Interface
// Endpoint 2 Descriptor
0x07, // bLength: Endpoint Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::ENDPOINT),
UsbDevCdcAcm::ACM_ENDPOINT | UsbDev::ENDPOINT_DIR_IN, // bEndpointAddress
static_cast<uint8_t>(UsbDev::EndpointType::INTERRUPT), // bmAttributes
UsbDevCdcAcm::ACM_DATA_SIZE, // wMaxPacketSize:
0x00,
0xFF, // bInterval:
// Data class interface descriptor
0x09, // bLength: Interface Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::INTERFACE),
0x01, // bInterfaceNumber: Number of Interface
0x00, // bAlternateSetting: Alternate setting
0x02, // bNumEndpoints: Two endpoints used
0x0A, // bInterfaceClass: CDC
0x00, // bInterfaceSubClass:
0x00, // bInterfaceProtocol:
0x00, // iInterface:
// Endpoint 3 Descriptor
0x07, // bLength: Endpoint Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::ENDPOINT),
UsbDevCdcAcm::CDC_ENDPOINT_OUT, // bEndpointAddress: (OUT3)
static_cast<uint8_t>(UsbDev::EndpointType::BULK), // bmAttributes: Bulk
UsbDevCdcAcm::CDC_OUT_DATA_SIZE, // wMaxPacketSize: 64
0x00, // MSB of uint16_t
0x00, // bInterval: ignore for Bulk transfer
// Endpoint 1 Descriptor
0x07, // bLength: Endpoint Descriptor size
static_cast<uint8_t>(UsbDev::DescriptorType::ENDPOINT),
UsbDevCdcAcm::CDC_ENDPOINT_IN | UsbDev::ENDPOINT_DIR_IN,//bEndpointAddress
static_cast<uint8_t>(UsbDev::EndpointType::BULK), // bmAttributes: Bulk
UsbDevCdcAcm::CDC_IN_DATA_SIZE, // wMaxPacketSize:
0x00,
0x00 // bInterval
};
const uint8_t UsbDevCdcAcm::_device_string_desc[] = {
46,
static_cast<uint8_t>(UsbDev::DescriptorType::STRING),
'S', 0, 'T', 0, 'M', 0, '3', 0,
'2', 0, ' ', 0, 'V', 0, 'i', 0,
'r', 0, 't', 0, 'u', 0, 'a', 0,
'l', 0, ' ', 0, 'C', 0, 'O', 0,
'M', 0, ' ', 0, 'P', 0, 'o', 0,
'r', 0, 't', 0 }; // "STM32 Virtual COM Port"
const uint8_t *UsbDev::_STRING_DESCS[] = {
UsbDev :: language_id_string_desc(),
UsbDev :: vendor_string_desc(),
UsbDevCdcAcm:: device_string_desc(),
UsbDev ::serial_number_string_desc(),
};
UsbDevCdcAcm::LineCoding UsbDevCdcAcm::_line_coding = {9600, 0, 0, 8} ;
bool UsbDevCdcAcm::init()
{
_CONFIG_DESC[UsbDev::CONFIG_DESC_SIZE_NDX] = sizeof(_CONFIG_DESC);
return UsbDev::init();
}
bool UsbDev::device_class_setup()
{
if (! _setup_packet
->request_type
. all( SetupPacket::RequestType::TYPE_CLASS
| SetupPacket::RequestType::RECIPIENT_INTERFACE))
return false;
uint8_t *data;
uint16_t size;
switch (_setup_packet->request) {
case UsbDevCdcAcm::_SET_LINE_CODING:
case UsbDevCdcAcm::_GET_LINE_CODING:
data = reinterpret_cast<uint8_t*>(&UsbDevCdcAcm::_line_coding);
size = sizeof( UsbDevCdcAcm::_line_coding);
break;
case UsbDevCdcAcm::_SET_CONTROL_LINE_STATE:
data = 0;
size = 0;
break;
default:
return false;
}
if (_setup_packet->request_type.any( SetupPacket
::RequestType
::DIR_DEV_TO_HOST))
_send_info.set(data, size);
else
_recv_info.set(data, size);
return true;
}
void UsbDev::set_configuration() {}
void UsbDev::set_interface () {}
} // namespace stm32f10_12357_xx {