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[tmk_keyboard.git] / protocol / pjrc / usb.c
1 /* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
2 * http://www.pjrc.com/teensy/usb_keyboard.html
3 * Copyright (c) 2009 PJRC.COM, LLC
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 * THE SOFTWARE.
22 */
23
24 #include <stdint.h>
25 #include <stdbool.h>
26 #include <avr/io.h>
27 #include <avr/pgmspace.h>
28 #include <avr/interrupt.h>
29 #include "usb.h"
30 #include "usb_keyboard.h"
31 #include "usb_mouse.h"
32 #include "usb_debug.h"
33 #include "usb_extra.h"
34 #include "led.h"
35 #include "print.h"
36 #include "util.h"
37 #ifdef SLEEP_LED_ENABLE
38 #include "sleep_led.h"
39 #endif
40 #include "suspend.h"
41 #include "action.h"
42 #include "action_util.h"
43
44
45 /**************************************************************************
46 *
47 * Configurable Options
48 *
49 **************************************************************************/
50
51 // You can change these to give your code its own name.
52 #ifndef MANUFACTURER
53 # define STR_MANUFACTURER L"t.m.k."
54 #else
55 # define STR_MANUFACTURER LSTR(MANUFACTURER)
56 #endif
57 #ifndef PRODUCT
58 # define STR_PRODUCT L"t.m.k. keyboard"
59 #else
60 # define STR_PRODUCT LSTR(PRODUCT)
61 #endif
62
63
64 // Mac OS-X and Linux automatically load the correct drivers. On
65 // Windows, even though the driver is supplied by Microsoft, an
66 // INF file is needed to load the driver. These numbers need to
67 // match the INF file.
68 #ifndef VENDOR_ID
69 # define VENDOR_ID 0xFEED
70 #endif
71
72 #ifndef PRODUCT_ID
73 # define PRODUCT_ID 0xBABE
74 #endif
75
76 #ifndef DEVICE_VER
77 # define DEVICE_VER 0x0100
78 #endif
79
80
81 // USB devices are supposed to implment a halt feature, which is
82 // rarely (if ever) used. If you comment this line out, the halt
83 // code will be removed, saving 102 bytes of space (gcc 4.3.0).
84 // This is not strictly USB compliant, but works with all major
85 // operating systems.
86 #define SUPPORT_ENDPOINT_HALT
87
88
89
90 /**************************************************************************
91 *
92 * Endpoint Buffer Configuration
93 *
94 **************************************************************************/
95
96 #define ENDPOINT0_SIZE 32
97
98 bool remote_wakeup = false;
99 bool suspend = false;
100
101 // 0:control endpoint is enabled automatically by controller.
102 static const uint8_t PROGMEM endpoint_config_table[] = {
103 // enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
104 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD_SIZE) | KBD_BUFFER, // 1
105 #ifdef MOUSE_ENABLE
106 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
107 #else
108 0, // 2
109 #endif
110 #ifdef CONSOLE_ENABLE
111 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
112 #else
113 0,
114 #endif
115 #ifdef EXTRAKEY_ENABLE
116 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(EXTRA_SIZE) | EXTRA_BUFFER, // 4
117 #else
118 0, // 4
119 #endif
120 #ifdef NKRO_ENABLE
121 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD2_SIZE) | KBD2_BUFFER, // 5
122 #else
123 0, // 5
124 #endif
125 0, // 6
126 };
127
128
129 /**************************************************************************
130 *
131 * Descriptor Data
132 *
133 **************************************************************************/
134
135 // Descriptors are the data that your computer reads when it auto-detects
136 // this USB device (called "enumeration" in USB lingo). The most commonly
137 // changed items are editable at the top of this file. Changing things
138 // in here should only be done by those who've read chapter 9 of the USB
139 // spec and relevant portions of any USB class specifications!
140
141
142 static const uint8_t PROGMEM device_descriptor[] = {
143 18, // bLength
144 1, // bDescriptorType
145 0x00, 0x02, // bcdUSB
146 0, // bDeviceClass
147 0, // bDeviceSubClass
148 0, // bDeviceProtocol
149 ENDPOINT0_SIZE, // bMaxPacketSize0
150 LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
151 LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
152 LSB(DEVICE_VER), MSB(DEVICE_VER), // bcdDevice
153 1, // iManufacturer
154 2, // iProduct
155 0, // iSerialNumber
156 1 // bNumConfigurations
157 };
158
159 // Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
160 static const uint8_t PROGMEM keyboard_hid_report_desc[] = {
161 0x05, 0x01, // Usage Page (Generic Desktop),
162 0x09, 0x06, // Usage (Keyboard),
163 0xA1, 0x01, // Collection (Application),
164 0x75, 0x01, // Report Size (1),
165 0x95, 0x08, // Report Count (8),
166 0x05, 0x07, // Usage Page (Key Codes),
167 0x19, 0xE0, // Usage Minimum (224),
168 0x29, 0xE7, // Usage Maximum (231),
169 0x15, 0x00, // Logical Minimum (0),
170 0x25, 0x01, // Logical Maximum (1),
171 0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
172 0x95, 0x01, // Report Count (1),
173 0x75, 0x08, // Report Size (8),
174 0x81, 0x03, // Input (Constant), ;Reserved byte
175 0x95, 0x05, // Report Count (5),
176 0x75, 0x01, // Report Size (1),
177 0x05, 0x08, // Usage Page (LEDs),
178 0x19, 0x01, // Usage Minimum (1),
179 0x29, 0x05, // Usage Maximum (5),
180 0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
181 0x95, 0x01, // Report Count (1),
182 0x75, 0x03, // Report Size (3),
183 0x91, 0x03, // Output (Constant), ;LED report padding
184 0x95, KBD_REPORT_KEYS, // Report Count (),
185 0x75, 0x08, // Report Size (8),
186 0x15, 0x00, // Logical Minimum (0),
187 0x25, 0xFF, // Logical Maximum(255),
188 0x05, 0x07, // Usage Page (Key Codes),
189 0x19, 0x00, // Usage Minimum (0),
190 0x29, 0xFF, // Usage Maximum (255),
191 0x81, 0x00, // Input (Data, Array),
192 0xc0 // End Collection
193 };
194 #ifdef NKRO_ENABLE
195 static const uint8_t PROGMEM keyboard2_hid_report_desc[] = {
196 0x05, 0x01, // Usage Page (Generic Desktop),
197 0x09, 0x06, // Usage (Keyboard),
198 0xA1, 0x01, // Collection (Application),
199 // bitmap of modifiers
200 0x75, 0x01, // Report Size (1),
201 0x95, 0x08, // Report Count (8),
202 0x05, 0x07, // Usage Page (Key Codes),
203 0x19, 0xE0, // Usage Minimum (224),
204 0x29, 0xE7, // Usage Maximum (231),
205 0x15, 0x00, // Logical Minimum (0),
206 0x25, 0x01, // Logical Maximum (1),
207 0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
208 // LED output report
209 0x95, 0x05, // Report Count (5),
210 0x75, 0x01, // Report Size (1),
211 0x05, 0x08, // Usage Page (LEDs),
212 0x19, 0x01, // Usage Minimum (1),
213 0x29, 0x05, // Usage Maximum (5),
214 0x91, 0x02, // Output (Data, Variable, Absolute),
215 0x95, 0x01, // Report Count (1),
216 0x75, 0x03, // Report Size (3),
217 0x91, 0x03, // Output (Constant),
218 // bitmap of keys
219 0x95, KBD2_REPORT_KEYS*8, // Report Count (),
220 0x75, 0x01, // Report Size (1),
221 0x15, 0x00, // Logical Minimum (0),
222 0x25, 0x01, // Logical Maximum(1),
223 0x05, 0x07, // Usage Page (Key Codes),
224 0x19, 0x00, // Usage Minimum (0),
225 0x29, KBD2_REPORT_KEYS*8-1, // Usage Maximum (),
226 0x81, 0x02, // Input (Data, Variable, Absolute),
227 0xc0 // End Collection
228 };
229 #endif
230
231 #ifdef MOUSE_ENABLE
232 // Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
233 // http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
234 // http://www.keil.com/forum/15671/
235 // http://www.microsoft.com/whdc/device/input/wheel.mspx
236 static const uint8_t PROGMEM mouse_hid_report_desc[] = {
237 /* mouse */
238 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
239 0x09, 0x02, // USAGE (Mouse)
240 0xa1, 0x01, // COLLECTION (Application)
241 //0x85, REPORT_ID_MOUSE, // REPORT_ID (1)
242 0x09, 0x01, // USAGE (Pointer)
243 0xa1, 0x00, // COLLECTION (Physical)
244 // ---------------------------- Buttons
245 0x05, 0x09, // USAGE_PAGE (Button)
246 0x19, 0x01, // USAGE_MINIMUM (Button 1)
247 0x29, 0x05, // USAGE_MAXIMUM (Button 5)
248 0x15, 0x00, // LOGICAL_MINIMUM (0)
249 0x25, 0x01, // LOGICAL_MAXIMUM (1)
250 0x75, 0x01, // REPORT_SIZE (1)
251 0x95, 0x05, // REPORT_COUNT (5)
252 0x81, 0x02, // INPUT (Data,Var,Abs)
253 0x75, 0x03, // REPORT_SIZE (3)
254 0x95, 0x01, // REPORT_COUNT (1)
255 0x81, 0x03, // INPUT (Cnst,Var,Abs)
256 // ---------------------------- X,Y position
257 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
258 0x09, 0x30, // USAGE (X)
259 0x09, 0x31, // USAGE (Y)
260 0x15, 0x81, // LOGICAL_MINIMUM (-127)
261 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
262 0x75, 0x08, // REPORT_SIZE (8)
263 0x95, 0x02, // REPORT_COUNT (2)
264 0x81, 0x06, // INPUT (Data,Var,Rel)
265 // ---------------------------- Vertical wheel
266 0x09, 0x38, // USAGE (Wheel)
267 0x15, 0x81, // LOGICAL_MINIMUM (-127)
268 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
269 0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
270 0x45, 0x00, // PHYSICAL_MAXIMUM (0)
271 0x75, 0x08, // REPORT_SIZE (8)
272 0x95, 0x01, // REPORT_COUNT (1)
273 0x81, 0x06, // INPUT (Data,Var,Rel)
274 // ---------------------------- Horizontal wheel
275 0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
276 0x0a, 0x38, 0x02, // USAGE (AC Pan)
277 0x15, 0x81, // LOGICAL_MINIMUM (-127)
278 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
279 0x75, 0x08, // REPORT_SIZE (8)
280 0x95, 0x01, // REPORT_COUNT (1)
281 0x81, 0x06, // INPUT (Data,Var,Rel)
282 0xc0, // END_COLLECTION
283 0xc0, // END_COLLECTION
284 };
285 #endif
286
287 static const uint8_t PROGMEM debug_hid_report_desc[] = {
288 0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
289 0x09, 0x74, // Usage 0x74
290 0xA1, 0x53, // Collection 0x53
291 0x75, 0x08, // report size = 8 bits
292 0x15, 0x00, // logical minimum = 0
293 0x26, 0xFF, 0x00, // logical maximum = 255
294 0x95, DEBUG_TX_SIZE, // report count
295 0x09, 0x75, // usage
296 0x81, 0x02, // Input (array)
297 0xC0 // end collection
298 };
299
300 #ifdef EXTRAKEY_ENABLE
301 // audio controls & system controls
302 // http://www.microsoft.com/whdc/archive/w2kbd.mspx
303 static const uint8_t PROGMEM extra_hid_report_desc[] = {
304 /* system control */
305 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
306 0x09, 0x80, // USAGE (System Control)
307 0xa1, 0x01, // COLLECTION (Application)
308 0x85, REPORT_ID_SYSTEM, // REPORT_ID (2)
309 0x15, 0x01, // LOGICAL_MINIMUM (0x1)
310 0x25, 0xb7, // LOGICAL_MAXIMUM (0xb7)
311 0x19, 0x01, // USAGE_MINIMUM (0x1)
312 0x29, 0xb7, // USAGE_MAXIMUM (0xb7)
313 0x75, 0x10, // REPORT_SIZE (16)
314 0x95, 0x01, // REPORT_COUNT (1)
315 0x81, 0x00, // INPUT (Data,Array,Abs)
316 0xc0, // END_COLLECTION
317 /* consumer */
318 0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
319 0x09, 0x01, // USAGE (Consumer Control)
320 0xa1, 0x01, // COLLECTION (Application)
321 0x85, REPORT_ID_CONSUMER, // REPORT_ID (3)
322 0x15, 0x01, // LOGICAL_MINIMUM (0x1)
323 0x26, 0x9c, 0x02, // LOGICAL_MAXIMUM (0x29c)
324 0x19, 0x01, // USAGE_MINIMUM (0x1)
325 0x2a, 0x9c, 0x02, // USAGE_MAXIMUM (0x29c)
326 0x75, 0x10, // REPORT_SIZE (16)
327 0x95, 0x01, // REPORT_COUNT (1)
328 0x81, 0x00, // INPUT (Data,Array,Abs)
329 0xc0, // END_COLLECTION
330 };
331 #endif
332
333 #define KBD_HID_DESC_NUM 0
334 #define KBD_HID_DESC_OFFSET (9+(9+9+7)*KBD_HID_DESC_NUM+9)
335
336 #ifdef MOUSE_ENABLE
337 # define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 1)
338 # define MOUSE_HID_DESC_OFFSET (9+(9+9+7)*MOUSE_HID_DESC_NUM+9)
339 #else
340 # define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 0)
341 #endif
342
343 #ifdef CONSOLE_ENABLE
344 #define DEBUG_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 1)
345 #define DEBUG_HID_DESC_OFFSET (9+(9+9+7)*DEBUG_HID_DESC_NUM+9)
346 #else
347 # define DEBUG_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 0)
348 #endif
349
350 #ifdef EXTRAKEY_ENABLE
351 # define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 1)
352 # define EXTRA_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
353 #else
354 # define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 0)
355 #endif
356
357 #ifdef NKRO_ENABLE
358 # define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 1)
359 # define KBD2_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
360 #else
361 # define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 0)
362 #endif
363
364 #define NUM_INTERFACES (KBD2_HID_DESC_NUM + 1)
365 #define CONFIG1_DESC_SIZE (9+(9+9+7)*NUM_INTERFACES)
366 static const uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
367 // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
368 9, // bLength;
369 2, // bDescriptorType;
370 LSB(CONFIG1_DESC_SIZE), // wTotalLength
371 MSB(CONFIG1_DESC_SIZE),
372 NUM_INTERFACES, // bNumInterfaces
373 1, // bConfigurationValue
374 0, // iConfiguration
375 0xA0, // bmAttributes
376 50, // bMaxPower
377
378 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
379 9, // bLength
380 4, // bDescriptorType
381 KBD_INTERFACE, // bInterfaceNumber
382 0, // bAlternateSetting
383 1, // bNumEndpoints
384 0x03, // bInterfaceClass (0x03 = HID)
385 0x01, // bInterfaceSubClass (0x01 = Boot)
386 0x01, // bInterfaceProtocol (0x01 = Keyboard)
387 0, // iInterface
388 // HID descriptor, HID 1.11 spec, section 6.2.1
389 9, // bLength
390 0x21, // bDescriptorType
391 0x11, 0x01, // bcdHID
392 0, // bCountryCode
393 1, // bNumDescriptors
394 0x22, // bDescriptorType
395 sizeof(keyboard_hid_report_desc), // wDescriptorLength
396 0,
397 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
398 7, // bLength
399 5, // bDescriptorType
400 KBD_ENDPOINT | 0x80, // bEndpointAddress
401 0x03, // bmAttributes (0x03=intr)
402 KBD_SIZE, 0, // wMaxPacketSize
403 10, // bInterval
404
405 #ifdef MOUSE_ENABLE
406 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
407 9, // bLength
408 4, // bDescriptorType
409 MOUSE_INTERFACE, // bInterfaceNumber
410 0, // bAlternateSetting
411 1, // bNumEndpoints
412 0x03, // bInterfaceClass (0x03 = HID)
413 // ThinkPad T23 BIOS doesn't work with boot mouse.
414 0x00, // bInterfaceSubClass (0x01 = Boot)
415 0x00, // bInterfaceProtocol (0x02 = Mouse)
416 /*
417 0x01, // bInterfaceSubClass (0x01 = Boot)
418 0x02, // bInterfaceProtocol (0x02 = Mouse)
419 */
420 0, // iInterface
421 // HID descriptor, HID 1.11 spec, section 6.2.1
422 9, // bLength
423 0x21, // bDescriptorType
424 0x11, 0x01, // bcdHID
425 0, // bCountryCode
426 1, // bNumDescriptors
427 0x22, // bDescriptorType
428 sizeof(mouse_hid_report_desc), // wDescriptorLength
429 0,
430 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
431 7, // bLength
432 5, // bDescriptorType
433 MOUSE_ENDPOINT | 0x80, // bEndpointAddress
434 0x03, // bmAttributes (0x03=intr)
435 MOUSE_SIZE, 0, // wMaxPacketSize
436 1, // bInterval
437 #endif
438
439 #ifdef CONSOLE_ENABLE
440 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
441 9, // bLength
442 4, // bDescriptorType
443 DEBUG_INTERFACE, // bInterfaceNumber
444 0, // bAlternateSetting
445 1, // bNumEndpoints
446 0x03, // bInterfaceClass (0x03 = HID)
447 0x00, // bInterfaceSubClass
448 0x00, // bInterfaceProtocol
449 0, // iInterface
450 // HID descriptor, HID 1.11 spec, section 6.2.1
451 9, // bLength
452 0x21, // bDescriptorType
453 0x11, 0x01, // bcdHID
454 0, // bCountryCode
455 1, // bNumDescriptors
456 0x22, // bDescriptorType
457 sizeof(debug_hid_report_desc), // wDescriptorLength
458 0,
459 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
460 7, // bLength
461 5, // bDescriptorType
462 DEBUG_TX_ENDPOINT | 0x80, // bEndpointAddress
463 0x03, // bmAttributes (0x03=intr)
464 DEBUG_TX_SIZE, 0, // wMaxPacketSize
465 1, // bInterval
466 #endif
467
468 #ifdef EXTRAKEY_ENABLE
469 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
470 9, // bLength
471 4, // bDescriptorType
472 EXTRA_INTERFACE, // bInterfaceNumber
473 0, // bAlternateSetting
474 1, // bNumEndpoints
475 0x03, // bInterfaceClass (0x03 = HID)
476 0x00, // bInterfaceSubClass
477 0x00, // bInterfaceProtocol
478 0, // iInterface
479 // HID descriptor, HID 1.11 spec, section 6.2.1
480 9, // bLength
481 0x21, // bDescriptorType
482 0x11, 0x01, // bcdHID
483 0, // bCountryCode
484 1, // bNumDescriptors
485 0x22, // bDescriptorType
486 sizeof(extra_hid_report_desc), // wDescriptorLength
487 0,
488 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
489 7, // bLength
490 5, // bDescriptorType
491 EXTRA_ENDPOINT | 0x80, // bEndpointAddress
492 0x03, // bmAttributes (0x03=intr)
493 EXTRA_SIZE, 0, // wMaxPacketSize
494 10, // bInterval
495 #endif
496
497 #ifdef NKRO_ENABLE
498 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
499 9, // bLength
500 4, // bDescriptorType
501 KBD2_INTERFACE, // bInterfaceNumber
502 0, // bAlternateSetting
503 1, // bNumEndpoints
504 0x03, // bInterfaceClass (0x03 = HID)
505 0x00, // bInterfaceSubClass (0x01 = Boot)
506 0x00, // bInterfaceProtocol (0x01 = Keyboard)
507 0, // iInterface
508 // HID descriptor, HID 1.11 spec, section 6.2.1
509 9, // bLength
510 0x21, // bDescriptorType
511 0x11, 0x01, // bcdHID
512 0, // bCountryCode
513 1, // bNumDescriptors
514 0x22, // bDescriptorType
515 sizeof(keyboard2_hid_report_desc), // wDescriptorLength
516 0,
517 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
518 7, // bLength
519 5, // bDescriptorType
520 KBD2_ENDPOINT | 0x80, // bEndpointAddress
521 0x03, // bmAttributes (0x03=intr)
522 KBD2_SIZE, 0, // wMaxPacketSize
523 1, // bInterval
524 #endif
525 };
526
527 // If you're desperate for a little extra code memory, these strings
528 // can be completely removed if iManufacturer, iProduct, iSerialNumber
529 // in the device desciptor are changed to zeros.
530 struct usb_string_descriptor_struct {
531 uint8_t bLength;
532 uint8_t bDescriptorType;
533 int16_t wString[];
534 };
535 static const struct usb_string_descriptor_struct PROGMEM string0 = {
536 4,
537 3,
538 {0x0409}
539 };
540 static const struct usb_string_descriptor_struct PROGMEM string1 = {
541 sizeof(STR_MANUFACTURER),
542 3,
543 STR_MANUFACTURER
544 };
545 static const struct usb_string_descriptor_struct PROGMEM string2 = {
546 sizeof(STR_PRODUCT),
547 3,
548 STR_PRODUCT
549 };
550
551 // This table defines which descriptor data is sent for each specific
552 // request from the host (in wValue and wIndex).
553 static const struct descriptor_list_struct {
554 uint16_t wValue; // descriptor type
555 uint16_t wIndex;
556 const uint8_t *addr;
557 uint8_t length;
558 } PROGMEM descriptor_list[] = {
559 // DEVICE descriptor
560 {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
561 // CONFIGURATION descriptor
562 {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
563 // HID/REPORT descriptors
564 {0x2100, KBD_INTERFACE, config1_descriptor+KBD_HID_DESC_OFFSET, 9},
565 {0x2200, KBD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
566 #ifdef MOUSE_ENABLE
567 {0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
568 {0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
569 #endif
570 #ifdef CONSOLE_ENABLE
571 {0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
572 {0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
573 #endif
574 #ifdef EXTRAKEY_ENABLE
575 {0x2100, EXTRA_INTERFACE, config1_descriptor+EXTRA_HID_DESC_OFFSET, 9},
576 {0x2200, EXTRA_INTERFACE, extra_hid_report_desc, sizeof(extra_hid_report_desc)},
577 #endif
578 #ifdef NKRO_ENABLE
579 {0x2100, KBD2_INTERFACE, config1_descriptor+KBD2_HID_DESC_OFFSET, 9},
580 {0x2200, KBD2_INTERFACE, keyboard2_hid_report_desc, sizeof(keyboard2_hid_report_desc)},
581 #endif
582 // STRING descriptors
583 {0x0300, 0x0000, (const uint8_t *)&string0, 4},
584 {0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
585 {0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
586 };
587 #define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
588
589
590 /**************************************************************************
591 *
592 * Variables - these are the only non-stack RAM usage
593 *
594 **************************************************************************/
595
596 // zero when we are not configured, non-zero when enumerated
597 static volatile uint8_t usb_configuration=0;
598
599
600 /**************************************************************************
601 *
602 * Public Functions - these are the API intended for the user
603 *
604 **************************************************************************/
605
606
607 // initialize USB
608 void usb_init(void)
609 {
610 HW_CONFIG();
611 USB_FREEZE(); // enable USB
612 PLL_CONFIG(); // config PLL
613 while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
614 USB_CONFIG(); // start USB clock
615 UDCON = 0; // enable attach resistor
616 usb_configuration = 0;
617 suspend = false;
618 UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE)|(1<<WAKEUPE);
619 sei();
620 }
621
622 // return 0 if the USB is not configured, or the configuration
623 // number selected by the HOST
624 uint8_t usb_configured(void)
625 {
626 return usb_configuration && !suspend;
627 }
628
629 void usb_remote_wakeup(void)
630 {
631 UDCON |= (1<<RMWKUP);
632 }
633
634
635
636 /**************************************************************************
637 *
638 * Private Functions - not intended for general user consumption....
639 *
640 **************************************************************************/
641
642
643
644 // USB Device Interrupt - handle all device-level events
645 // the transmit buffer flushing is triggered by the start of frame
646 //
647 ISR(USB_GEN_vect)
648 {
649 uint8_t intbits, t;
650 static uint8_t div4=0;
651
652 intbits = UDINT;
653 UDINT = 0;
654 if ((intbits & (1<<SUSPI)) && (UDIEN & (1<<SUSPE)) && usb_configuration) {
655 #ifdef SLEEP_LED_ENABLE
656 sleep_led_enable();
657 #endif
658 UDIEN &= ~(1<<SUSPE);
659 UDIEN |= (1<<WAKEUPE);
660 suspend = true;
661 }
662 if ((intbits & (1<<WAKEUPI)) && (UDIEN & (1<<WAKEUPE)) && usb_configuration) {
663 suspend_wakeup_init();
664 #ifdef SLEEP_LED_ENABLE
665 sleep_led_disable();
666 // NOTE: converters may not accept this
667 led_set(host_keyboard_leds());
668 #endif
669
670 UDIEN |= (1<<SUSPE);
671 UDIEN &= ~(1<<WAKEUPE);
672 suspend = false;
673 }
674 if (intbits & (1<<EORSTI)) {
675 UENUM = 0;
676 UECONX = 1;
677 UECFG0X = EP_TYPE_CONTROL;
678 UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
679 UEIENX = (1<<RXSTPE);
680 usb_configuration = 0;
681 }
682 if ((intbits & (1<<SOFI)) && usb_configuration) {
683 t = debug_flush_timer;
684 if (t) {
685 debug_flush_timer = -- t;
686 if (!t) {
687 UENUM = DEBUG_TX_ENDPOINT;
688 while ((UEINTX & (1<<RWAL))) {
689 UEDATX = 0;
690 }
691 UEINTX = 0x3A;
692 }
693 }
694 /* TODO: should keep IDLE rate on each keyboard interface */
695 #ifdef NKRO_ENABLE
696 if (!keyboard_nkro && keyboard_idle && (++div4 & 3) == 0) {
697 #else
698 if (keyboard_idle && (++div4 & 3) == 0) {
699 #endif
700 UENUM = KBD_ENDPOINT;
701 if (UEINTX & (1<<RWAL)) {
702 usb_keyboard_idle_count++;
703 if (usb_keyboard_idle_count == keyboard_idle) {
704 usb_keyboard_idle_count = 0;
705 /* TODO: fix keyboard_report inconsistency */
706 /* To avoid Mac SET_IDLE behaviour.
707 UEDATX = keyboard_report_prev->mods;
708 UEDATX = 0;
709 uint8_t keys = keyboard_protocol ? KBD_REPORT_KEYS : 6;
710 for (uint8_t i=0; i<keys; i++) {
711 UEDATX = keyboard_report_prev->keys[i];
712 }
713 UEINTX = 0x3A;
714 */
715 }
716 }
717 }
718 }
719 }
720
721
722
723 // Misc functions to wait for ready and send/receive packets
724 static inline void usb_wait_in_ready(void)
725 {
726 while (!(UEINTX & (1<<TXINI))) ;
727 }
728 static inline void usb_send_in(void)
729 {
730 UEINTX = ~(1<<TXINI);
731 }
732 static inline void usb_wait_receive_out(void)
733 {
734 while (!(UEINTX & (1<<RXOUTI))) ;
735 }
736 static inline void usb_ack_out(void)
737 {
738 UEINTX = ~(1<<RXOUTI);
739 }
740
741
742
743 // USB Endpoint Interrupt - endpoint 0 is handled here. The
744 // other endpoints are manipulated by the user-callable
745 // functions, and the start-of-frame interrupt.
746 //
747 ISR(USB_COM_vect)
748 {
749 uint8_t intbits;
750 const uint8_t *list;
751 const uint8_t *cfg;
752 uint8_t i, n, len, en;
753 uint8_t bmRequestType;
754 uint8_t bRequest;
755 uint16_t wValue;
756 uint16_t wIndex;
757 uint16_t wLength;
758 uint16_t desc_val;
759 const uint8_t *desc_addr;
760 uint8_t desc_length;
761
762 UENUM = 0;
763 intbits = UEINTX;
764 if (intbits & (1<<RXSTPI)) {
765 bmRequestType = UEDATX;
766 bRequest = UEDATX;
767 wValue = UEDATX;
768 wValue |= (UEDATX << 8);
769 wIndex = UEDATX;
770 wIndex |= (UEDATX << 8);
771 wLength = UEDATX;
772 wLength |= (UEDATX << 8);
773 UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
774 if (bRequest == GET_DESCRIPTOR) {
775 list = (const uint8_t *)descriptor_list;
776 for (i=0; ; i++) {
777 if (i >= NUM_DESC_LIST) {
778 UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
779 return;
780 }
781 desc_val = pgm_read_word(list);
782 if (desc_val != wValue) {
783 list += sizeof(struct descriptor_list_struct);
784 continue;
785 }
786 list += 2;
787 desc_val = pgm_read_word(list);
788 if (desc_val != wIndex) {
789 list += sizeof(struct descriptor_list_struct)-2;
790 continue;
791 }
792 list += 2;
793 desc_addr = (const uint8_t *)pgm_read_word(list);
794 list += 2;
795 desc_length = pgm_read_byte(list);
796 break;
797 }
798 len = (wLength < 256) ? wLength : 255;
799 if (len > desc_length) len = desc_length;
800 do {
801 // wait for host ready for IN packet
802 do {
803 i = UEINTX;
804 } while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
805 if (i & (1<<RXOUTI)) return; // abort
806 // send IN packet
807 n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
808 for (i = n; i; i--) {
809 UEDATX = pgm_read_byte(desc_addr++);
810 }
811 len -= n;
812 usb_send_in();
813 } while (len || n == ENDPOINT0_SIZE);
814 return;
815 }
816 if (bRequest == SET_ADDRESS) {
817 usb_send_in();
818 usb_wait_in_ready();
819 UDADDR = wValue | (1<<ADDEN);
820 return;
821 }
822 if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
823 usb_configuration = wValue;
824 usb_send_in();
825 cfg = endpoint_config_table;
826 for (i=1; i<=MAX_ENDPOINT; i++) {
827 UENUM = i;
828 en = pgm_read_byte(cfg++);
829 if (en) {
830 UECONX = (1<<EPEN);
831 UECFG0X = pgm_read_byte(cfg++);
832 UECFG1X = pgm_read_byte(cfg++);
833 } else {
834 UECONX = 0;
835 }
836 }
837 UERST = UERST_MASK;
838 UERST = 0;
839 return;
840 }
841 if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
842 usb_wait_in_ready();
843 UEDATX = usb_configuration;
844 usb_send_in();
845 return;
846 }
847
848 if (bRequest == GET_STATUS) {
849 usb_wait_in_ready();
850 i = 0;
851 #ifdef SUPPORT_ENDPOINT_HALT
852 if (bmRequestType == 0x82) {
853 UENUM = wIndex;
854 if (UECONX & (1<<STALLRQ)) i = 1;
855 UENUM = 0;
856 }
857 #endif
858 UEDATX = i;
859 UEDATX = 0;
860 usb_send_in();
861 return;
862 }
863 if (bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) {
864 #ifdef SUPPORT_ENDPOINT_HALT
865 if (bmRequestType == 0x02 && wValue == ENDPOINT_HALT) {
866 i = wIndex & 0x7F;
867 if (i >= 1 && i <= MAX_ENDPOINT) {
868 usb_send_in();
869 UENUM = i;
870 if (bRequest == SET_FEATURE) {
871 UECONX = (1<<STALLRQ)|(1<<EPEN);
872 } else {
873 UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
874 UERST = (1 << i);
875 UERST = 0;
876 }
877 return;
878 }
879 }
880 #endif
881 if (bmRequestType == 0x00 && wValue == DEVICE_REMOTE_WAKEUP) {
882 if (bRequest == SET_FEATURE) {
883 remote_wakeup = true;
884 } else {
885 remote_wakeup = false;
886 }
887 usb_send_in();
888 return;
889 }
890 }
891 if (wIndex == KBD_INTERFACE) {
892 if (bmRequestType == 0xA1) {
893 if (bRequest == HID_GET_REPORT) {
894 usb_wait_in_ready();
895 UEDATX = keyboard_report->mods;
896 UEDATX = 0;
897 for (i=0; i<6; i++) {
898 UEDATX = keyboard_report->keys[i];
899 }
900 usb_send_in();
901 return;
902 }
903 if (bRequest == HID_GET_IDLE) {
904 usb_wait_in_ready();
905 UEDATX = keyboard_idle;
906 usb_send_in();
907 return;
908 }
909 if (bRequest == HID_GET_PROTOCOL) {
910 usb_wait_in_ready();
911 UEDATX = keyboard_protocol;
912 usb_send_in();
913 return;
914 }
915 }
916 if (bmRequestType == 0x21) {
917 if (bRequest == HID_SET_REPORT) {
918 usb_wait_receive_out();
919 usb_keyboard_leds = UEDATX;
920 usb_ack_out();
921 usb_send_in();
922 return;
923 }
924 if (bRequest == HID_SET_IDLE) {
925 keyboard_idle = (wValue >> 8);
926 usb_keyboard_idle_count = 0;
927 //usb_wait_in_ready();
928 usb_send_in();
929 return;
930 }
931 if (bRequest == HID_SET_PROTOCOL) {
932 keyboard_protocol = wValue;
933 #ifdef NKRO_ENABLE
934 keyboard_nkro = !!keyboard_protocol;
935 #endif
936 clear_keyboard();
937 //usb_wait_in_ready();
938 usb_send_in();
939 return;
940 }
941 }
942 }
943 #ifdef MOUSE_ENABLE
944 if (wIndex == MOUSE_INTERFACE) {
945 if (bmRequestType == 0xA1) {
946 if (bRequest == HID_GET_REPORT) {
947 if (wValue == HID_REPORT_INPUT) {
948 usb_wait_in_ready();
949 UEDATX = 0;
950 UEDATX = 0;
951 UEDATX = 0;
952 UEDATX = 0;
953 usb_send_in();
954 return;
955 }
956 if (wValue == HID_REPORT_FEATURE) {
957 usb_wait_in_ready();
958 UEDATX = 0x05;
959 usb_send_in();
960 return;
961 }
962 }
963 if (bRequest == HID_GET_PROTOCOL) {
964 usb_wait_in_ready();
965 UEDATX = usb_mouse_protocol;
966 usb_send_in();
967 return;
968 }
969 }
970 if (bmRequestType == 0x21) {
971 if (bRequest == HID_SET_PROTOCOL) {
972 usb_mouse_protocol = wValue;
973 usb_send_in();
974 return;
975 }
976 }
977 }
978 #endif
979 if (wIndex == DEBUG_INTERFACE) {
980 if (bRequest == HID_GET_REPORT && bmRequestType == 0xA1) {
981 len = wLength;
982 do {
983 // wait for host ready for IN packet
984 do {
985 i = UEINTX;
986 } while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
987 if (i & (1<<RXOUTI)) return; // abort
988 // send IN packet
989 n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
990 for (i = n; i; i--) {
991 UEDATX = 0;
992 }
993 len -= n;
994 usb_send_in();
995 } while (len || n == ENDPOINT0_SIZE);
996 return;
997 }
998 }
999 }
1000 UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
1001 }
custom keymap for my minivan; forked from http://github.com/evangs/tmk_keyboard
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