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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
|
/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* This file is part of the TinyUSB stack.
*/
#ifndef _TUSB_HID_DEVICE_H_
#define _TUSB_HID_DEVICE_H_
#include "common/tusb_common.h"
#include "device/usbd.h"
#include "hid.h"
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
// Class Driver Default Configure & Validation
//--------------------------------------------------------------------+
#ifndef CFG_TUD_HID_BUFSIZE
#define CFG_TUD_HID_BUFSIZE 16
#endif
//--------------------------------------------------------------------+
// Application API
//--------------------------------------------------------------------+
// Check if the interface is ready to use
bool tud_hid_ready(void);
// Check if current mode is Boot (true) or Report (false)
bool tud_hid_boot_mode(void);
// Send report to host
bool tud_hid_report(uint8_t report_id, void const* report, uint8_t len);
// KEYBOARD: convenient helper to send keyboard report if application
// use template layout report as defined by hid_keyboard_report_t
bool tud_hid_keyboard_report(uint8_t report_id, uint8_t modifier, uint8_t keycode[6]);
// MOUSE: convenient helper to send mouse report if application
// use template layout report as defined by hid_mouse_report_t
bool tud_hid_mouse_report(uint8_t report_id, uint8_t buttons, int8_t x, int8_t y, int8_t vertical, int8_t horizontal);
//--------------------------------------------------------------------+
// Callbacks (Weak is optional)
//--------------------------------------------------------------------+
// Invoked when received GET HID REPORT DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
uint8_t const * tud_hid_descriptor_report_cb(void);
// Invoked when received GET_REPORT control request
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request
uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen);
// Invoked when received SET_REPORT control request or
// received data on OUT endpoint ( Report ID = 0, Type = 0 )
void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize);
// Invoked when received SET_PROTOCOL request ( mode switch Boot <-> Report )
TU_ATTR_WEAK void tud_hid_boot_mode_cb(uint8_t boot_mode);
// Invoked when received SET_IDLE request. return false will stall the request
// - Idle Rate = 0 : only send report if there is changes, i.e skip duplication
// - Idle Rate > 0 : skip duplication, but send at least 1 report every idle rate (in unit of 4 ms).
TU_ATTR_WEAK bool tud_hid_set_idle_cb(uint8_t idle_rate);
/* --------------------------------------------------------------------+
* HID Report Descriptor Template
*
* Convenient for declaring popular HID device (keyboard, mouse, consumer,
* gamepad etc...). Templates take "HID_REPORT_ID(n)," as input, leave
* empty if multiple reports is not used
*
* - Only 1 report: no parameter
* uint8_t const report_desc[] = { TUD_HID_REPORT_DESC_KEYBOARD() };
*
* - Multiple Reports: "HID_REPORT_ID(ID)," must be passed to template
* uint8_t const report_desc[] =
* {
* TUD_HID_REPORT_DESC_KEYBOARD( HID_REPORT_ID(1), ) ,
* TUD_HID_REPORT_DESC_MOUSE ( HID_REPORT_ID(2), )
* };
*--------------------------------------------------------------------*/
// Keyboard Report Descriptor Template
#define TUD_HID_REPORT_DESC_KEYBOARD(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_KEYBOARD ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 8 bits Modifier Keys (Shfit, Control, Alt) */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_KEYBOARD ) ,\
HID_USAGE_MIN ( 224 ) ,\
HID_USAGE_MAX ( 231 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
HID_REPORT_COUNT ( 8 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* 8 bit reserved */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
/* 6-byte Keycodes */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_KEYBOARD ) ,\
HID_USAGE_MIN ( 0 ) ,\
HID_USAGE_MAX ( 255 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 255 ) ,\
HID_REPORT_COUNT ( 6 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* 5-bit LED Indicator Kana | Compose | ScrollLock | CapsLock | NumLock */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_LED ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 5 ) ,\
HID_REPORT_COUNT ( 5 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_OUTPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* led padding */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 3 ) ,\
HID_OUTPUT ( HID_CONSTANT ) ,\
HID_COLLECTION_END \
// Mouse Report Descriptor Template
#define TUD_HID_REPORT_DESC_MOUSE(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_MOUSE ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
HID_USAGE ( HID_USAGE_DESKTOP_POINTER ) ,\
HID_COLLECTION ( HID_COLLECTION_PHYSICAL ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_BUTTON ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 5 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
/* Left, Right, Middle, Backward, Forward buttons */ \
HID_REPORT_COUNT( 5 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
/* 3 bit padding */ \
HID_REPORT_COUNT( 1 ) ,\
HID_REPORT_SIZE ( 3 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
/* X, Y position [-127, 127] */ \
HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_REPORT_COUNT( 2 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ) ,\
/* Verital wheel scroll [-127, 127] */ \
HID_USAGE ( HID_USAGE_DESKTOP_WHEEL ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_REPORT_COUNT( 1 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ) ,\
HID_USAGE_PAGE ( HID_USAGE_PAGE_CONSUMER ), \
/* Horizontal wheel scroll [-127, 127] */ \
HID_USAGE_N ( HID_USAGE_CONSUMER_AC_PAN, 2 ), \
HID_LOGICAL_MIN ( 0x81 ), \
HID_LOGICAL_MAX ( 0x7f ), \
HID_REPORT_COUNT( 1 ), \
HID_REPORT_SIZE ( 8 ), \
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_RELATIVE ), \
HID_COLLECTION_END , \
HID_COLLECTION_END \
// Consumer Control Report Descriptor Template
#define TUD_HID_REPORT_DESC_CONSUMER(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_CONSUMER ) ,\
HID_USAGE ( HID_USAGE_CONSUMER_CONTROL ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
HID_LOGICAL_MIN ( 0x00 ) ,\
HID_LOGICAL_MAX_N( 0x03FF, 2 ) ,\
HID_USAGE_MIN ( 0x00 ) ,\
HID_USAGE_MAX_N ( 0x03FF, 2 ) ,\
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 16 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
HID_COLLECTION_END \
/* System Control Report Descriptor Template
* 0x00 - do nothing
* 0x01 - Power Off
* 0x02 - Standby
* 0x04 - Wake Host
*/
#define TUD_HID_REPORT_DESC_SYSTEM_CONTROL(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_CONTROL ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 2 bit system power control */ \
HID_LOGICAL_MIN ( 1 ) ,\
HID_LOGICAL_MAX ( 3 ) ,\
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 2 ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_SLEEP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_POWER_DOWN ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_SYSTEM_WAKE_UP ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* 6 bit padding */ \
HID_REPORT_COUNT ( 1 ) ,\
HID_REPORT_SIZE ( 6 ) ,\
HID_INPUT ( HID_CONSTANT ) ,\
HID_COLLECTION_END \
// Gamepad Report Descriptor Template
// with 16 buttons and 2 joysticks with following layout
// | Button Map (2 bytes) | X | Y | Z | Rz
#define TUD_HID_REPORT_DESC_GAMEPAD(...) \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_GAMEPAD ) ,\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ) ,\
/* Report ID if any */\
__VA_ARGS__ \
/* 16 bit Button Map */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_BUTTON ) ,\
HID_USAGE_MIN ( 1 ) ,\
HID_USAGE_MAX ( 16 ) ,\
HID_LOGICAL_MIN ( 0 ) ,\
HID_LOGICAL_MAX ( 1 ) ,\
HID_REPORT_COUNT ( 16 ) ,\
HID_REPORT_SIZE ( 1 ) ,\
HID_INPUT ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ) ,\
/* X, Y, Z, Rz (min -127, max 127 ) */ \
HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP ) ,\
HID_LOGICAL_MIN ( 0x81 ) ,\
HID_LOGICAL_MAX ( 0x7f ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_X ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Y ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_Z ) ,\
HID_USAGE ( HID_USAGE_DESKTOP_RZ ) ,\
HID_REPORT_COUNT ( 4 ) ,\
HID_REPORT_SIZE ( 8 ) ,\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ) ,\
HID_COLLECTION_END \
// HID Generic Input & Output
// - 1st parameter is report size (mandatory)
// - 2nd parameter is report id HID_REPORT_ID(n) (optional)
#define TUD_HID_REPORT_DESC_GENERIC_INOUT(report_size, ...) \
HID_USAGE_PAGE_N ( HID_USAGE_PAGE_VENDOR, 2 ),\
HID_USAGE ( 0x01 ),\
HID_COLLECTION ( HID_COLLECTION_APPLICATION ),\
/* Report ID if any */\
__VA_ARGS__ \
/* Input */ \
HID_USAGE ( 0x02 ),\
HID_LOGICAL_MIN ( 0x00 ),\
HID_LOGICAL_MAX ( 0xff ),\
HID_REPORT_SIZE ( 8 ),\
HID_REPORT_COUNT( report_size ),\
HID_INPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ),\
/* Output */ \
HID_USAGE ( 0x03 ),\
HID_LOGICAL_MIN ( 0x00 ),\
HID_LOGICAL_MAX ( 0xff ),\
HID_REPORT_SIZE ( 8 ),\
HID_REPORT_COUNT( report_size ),\
HID_OUTPUT ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ),\
HID_COLLECTION_END \
//--------------------------------------------------------------------+
// Internal Class Driver API
//--------------------------------------------------------------------+
void hidd_init (void);
void hidd_reset (uint8_t rhport);
bool hidd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length);
bool hidd_control_request (uint8_t rhport, tusb_control_request_t const * request);
bool hidd_control_complete (uint8_t rhport, tusb_control_request_t const * request);
bool hidd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes);
#ifdef __cplusplus
}
#endif
#endif /* _TUSB_HID_DEVICE_H_ */
|
