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
|
/*
* usb/descriptors.h -- USB Descriptors
*
* Copyright (C) 2016-2017 Tomasz Kramkowski <tk@the-tk.com>
*
* This 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.
*
* This 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FMK_USB_DESCRIPTORS_H
#define FMK_USB_DESCRIPTORS_H
#include "hid.h"
/*
* TODO: Move into a source file and use extern so there's only ever one copy
* LTO should take care of the rest.
*/
#define U16LE(d) ((d) & 0xff), (((uint16_t)(d) >> 8) & 0xff)
/* Device descriptor */
unsigned char ds_dev[] = {
18, // Length
1, // Descriptor type
U16LE(0x0200), // USB Release
0x00, // Device class
0x00, // Device sub class
0x00, // Device protocol
64, // Max packet size
U16LE(0x16c0), // VID
U16LE(0x05dc), // PID
U16LE(0x0001), // Device relase
1, // Manufacturer string
0, // Product string
0, // Serial number string
1, // Number of configurations
};
/* Configuration descriptor */
#define DS_CONF_SIZE 34
unsigned char ds_conf[] = {
/* Configuration */
9, // Length
2, // Descriptor type
U16LE(DS_CONF_SIZE), // Total length
1, // Number of interfaces
1, // Configuration value
0, // Configuration string
0xc0, // Attributes (1SR00000, S - Self powered, R - Remote wakeup)
50, // Maximum current (multiples of 2mA)
/* Interface */
9, // Length
4, // Descriptor type
0, // Interface number
0, // Alternate setting
1, // Number of endpoints
3, // Interface class
1, // Interface sub class
1, // Interface protocol
0, // Interface string
/* HID */
9, // Length
33, // Descriptor type
U16LE(0x0111), // HID Class spec version
32, // Country code
1, // Number of descriptors
34, // Descriptor type
#define DS_HIDREP_SIZE 29
U16LE(DS_HIDREP_SIZE), // Descriptor length
/* Endpoint */
7, // Length
5, // Descriptor type
0x81, // Endpoint address (D000NNNN, D - Direction (0 OUT, 1 IN), N - Endpoint No.)
0x03, // Attributes (00UUSSTT, U - Usage type, S - Synch type, T - Transfer type)
U16LE(64), // Max packet size
1, // Interval (1ms Frames)
};
_Static_assert(sizeof ds_conf == DS_CONF_SIZE, "sizeof ds_conf != DS_CONF_SIZE");
/* HID Report descriptor */
unsigned char ds_hidrep[] = {
HR_USAGE_PAGE(1), HR_PAGE_GENERIC_DESKTOP,
HR_USAGE(1), HR_GD_KEYBOARD,
HR_COLLECTION(1), HR_APPLICATION,
HR_USAGE_PAGE(1), HR_PAGE_KEYBOARD,
HR_USAGE_MINIMUM(1), 4,
HR_USAGE_MAXIMUM(1), 231,
HR_LOGICAL_MINIMUM(1), 0,
HR_LOGICAL_MAXIMUM(1), 1,
HR_REPORT_SIZE(1), 1,
HR_REPORT_COUNT(1), 228,
HR_INPUT(1), HR_DATA | HR_VARIABLE | HR_ABSOLUTE | HR_BIT_FIELD,
HR_REPORT_SIZE(1), 4,
HR_REPORT_COUNT(1), 1,
HR_INPUT(1), HR_CONSTANT | HR_ARRAY | HR_ABSOLUTE | HR_BIT_FIELD,
HR_END_COLLECTION(0),
};
_Static_assert(sizeof ds_hidrep == DS_HIDREP_SIZE, "sizeof ds_hidrep != DS_HIDREP_SIZE");
/* Language descriptor */
unsigned char ds_lang[] = {
4, // Length
3, // Descriptor type
0x09, 0x04 // Language ID
};
_Static_assert(sizeof ds_lang == 4, "sizeof ds_lang != 4");
/* String descriptor 1 */
#define DS_STR1_SIZE 22
unsigned char ds_str1[] = {
22, // Length
3, // Descriptor type
U16LE(0x74), // t
U16LE(0x68), // h
U16LE(0x65), // e
U16LE(0x2d), // -
U16LE(0x74), // t
U16LE(0x6b), // k
U16LE(0x2e), // .
U16LE(0x63), // c
U16LE(0x6f), // o
U16LE(0x6d), // m
};
_Static_assert(sizeof ds_str1 == DS_STR1_SIZE, "sizeof ds_str1 != DS_STR1_SIZE");
#endif /* FMK_USB_DESCRIPTORS_H */
|
