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[tmk_keyboard.git] / 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 <avr/io.h>
25 #include <avr/pgmspace.h>
26 #include <avr/interrupt.h>
27 #include "usb.h"
28 #include "usb_keyboard.h"
29 #include "usb_mouse.h"
30 #include "usb_debug.h"
31 #include "print.h"
32
33
34 /**************************************************************************
35 *
36 * Configurable Options
37 *
38 **************************************************************************/
39
40 // You can change these to give your code its own name.
41 #define STR_MANUFACTURER L"t.m.k."
42 #define STR_PRODUCT L"t.m.k. keyboard"
43
44
45 // Mac OS-X and Linux automatically load the correct drivers. On
46 // Windows, even though the driver is supplied by Microsoft, an
47 // INF file is needed to load the driver. These numbers need to
48 // match the INF file.
49 #define VENDOR_ID 0xFEED
50 #define PRODUCT_ID 0xCAFE
51
52
53 // USB devices are supposed to implment a halt feature, which is
54 // rarely (if ever) used. If you comment this line out, the halt
55 // code will be removed, saving 102 bytes of space (gcc 4.3.0).
56 // This is not strictly USB compliant, but works with all major
57 // operating systems.
58 #define SUPPORT_ENDPOINT_HALT
59
60
61
62 /**************************************************************************
63 *
64 * Endpoint Buffer Configuration
65 *
66 **************************************************************************/
67
68 #define ENDPOINT0_SIZE 32
69
70 // 0:control endpoint is enabled automatically by controller.
71 static const uint8_t PROGMEM endpoint_config_table[] = {
72 // enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
73 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KEYBOARD_SIZE) | KEYBOARD_BUFFER, // 1
74 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
75 1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
76 0, // 4
77 0, // 5
78 0, // 6
79 };
80
81
82 /**************************************************************************
83 *
84 * Descriptor Data
85 *
86 **************************************************************************/
87
88 // Descriptors are the data that your computer reads when it auto-detects
89 // this USB device (called "enumeration" in USB lingo). The most commonly
90 // changed items are editable at the top of this file. Changing things
91 // in here should only be done by those who've read chapter 9 of the USB
92 // spec and relevant portions of any USB class specifications!
93
94
95 static uint8_t PROGMEM device_descriptor[] = {
96 18, // bLength
97 1, // bDescriptorType
98 0x00, 0x02, // bcdUSB
99 0, // bDeviceClass
100 0, // bDeviceSubClass
101 0, // bDeviceProtocol
102 ENDPOINT0_SIZE, // bMaxPacketSize0
103 LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
104 LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
105 0x00, 0x01, // bcdDevice
106 1, // iManufacturer
107 2, // iProduct
108 0, // iSerialNumber
109 1 // bNumConfigurations
110 };
111
112 // Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
113 static uint8_t PROGMEM keyboard_hid_report_desc[] = {
114 0x05, 0x01, // Usage Page (Generic Desktop),
115 0x09, 0x06, // Usage (Keyboard),
116 0xA1, 0x01, // Collection (Application),
117 0x75, 0x01, // Report Size (1),
118 0x95, 0x08, // Report Count (8),
119 0x05, 0x07, // Usage Page (Key Codes),
120 0x19, 0xE0, // Usage Minimum (224),
121 0x29, 0xE7, // Usage Maximum (231),
122 0x15, 0x00, // Logical Minimum (0),
123 0x25, 0x01, // Logical Maximum (1),
124 0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
125 0x95, 0x01, // Report Count (1),
126 0x75, 0x08, // Report Size (8),
127 0x81, 0x03, // Input (Constant), ;Reserved byte
128 0x95, 0x05, // Report Count (5),
129 0x75, 0x01, // Report Size (1),
130 0x05, 0x08, // Usage Page (LEDs),
131 0x19, 0x01, // Usage Minimum (1),
132 0x29, 0x05, // Usage Maximum (5),
133 0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
134 0x95, 0x01, // Report Count (1),
135 0x75, 0x03, // Report Size (3),
136 0x91, 0x03, // Output (Constant), ;LED report padding
137 0x95, 0x06, // Report Count (6),
138 0x75, 0x08, // Report Size (8),
139 0x15, 0x00, // Logical Minimum (0),
140 0x25, 0x68, // Logical Maximum(104),
141 0x05, 0x07, // Usage Page (Key Codes),
142 0x19, 0x00, // Usage Minimum (0),
143 0x29, 0x68, // Usage Maximum (104),
144 0x81, 0x00, // Input (Data, Array),
145 0xc0 // End Collection
146 };
147
148 // Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
149 // http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
150 // http://www.keil.com/forum/15671/
151 // http://www.microsoft.com/whdc/device/input/wheel.mspx
152 static uint8_t PROGMEM mouse_hid_report_desc[] = {
153 0x05, 0x01, // Usage Page (Generic Desktop)
154 0x09, 0x02, // Usage (Mouse)
155 0xA1, 0x01, // Collection (Application)
156 0x05, 0x09, // Usage Page (Button)
157 0x19, 0x01, // Usage Minimum (Button #1)
158 0x29, 0x03, // Usage Maximum (Button #3)
159 0x15, 0x00, // Logical Minimum (0)
160 0x25, 0x01, // Logical Maximum (1)
161 0x95, 0x03, // Report Count (3)
162 0x75, 0x01, // Report Size (1)
163 0x81, 0x02, // Input (Data, Variable, Absolute)
164 0x95, 0x01, // Report Count (1)
165 0x75, 0x05, // Report Size (5)
166 0x81, 0x03, // Input (Constant)
167 0x05, 0x01, // Usage Page (Generic Desktop)
168 0x09, 0x30, // Usage (X)
169 0x09, 0x31, // Usage (Y)
170 0x15, 0x81, // Logical Minimum (-127)
171 0x25, 0x7F, // Logical Maximum (127)
172 0x75, 0x08, // Report Size (8),
173 0x95, 0x02, // Report Count (2),
174 0x81, 0x06, // Input (Data, Variable, Relative)
175 0x09, 0x38, // Usage (Wheel)
176 0x95, 0x01, // Report Count (1),
177 0x81, 0x06, // Input (Data, Variable, Relative)
178 0xC0 // End Collection
179 };
180
181 static uint8_t PROGMEM debug_hid_report_desc[] = {
182 0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
183 0x09, 0x74, // Usage 0x74
184 0xA1, 0x53, // Collection 0x53
185 0x75, 0x08, // report size = 8 bits
186 0x15, 0x00, // logical minimum = 0
187 0x26, 0xFF, 0x00, // logical maximum = 255
188 0x95, DEBUG_TX_SIZE, // report count
189 0x09, 0x75, // usage
190 0x81, 0x02, // Input (array)
191 0xC0 // end collection
192 };
193
194 #define CONFIG1_DESC_SIZE (9+(9+9+7)+(9+9+7)+(9+9+7))
195 #define KEYBOARD_HID_DESC_OFFSET (9+9)
196 #define MOUSE_HID_DESC_OFFSET (9+(9+9+7)+9)
197 #define DEBUG_HID_DESC_OFFSET (9+(9+9+7)+(9+9+7)+9)
198 static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
199 // configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
200 9, // bLength;
201 2, // bDescriptorType;
202 LSB(CONFIG1_DESC_SIZE), // wTotalLength
203 MSB(CONFIG1_DESC_SIZE),
204 3, // bNumInterfaces
205 1, // bConfigurationValue
206 0, // iConfiguration
207 0xC0, // bmAttributes
208 50, // bMaxPower
209
210 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
211 9, // bLength
212 4, // bDescriptorType
213 KEYBOARD_INTERFACE, // bInterfaceNumber
214 0, // bAlternateSetting
215 1, // bNumEndpoints
216 0x03, // bInterfaceClass (0x03 = HID)
217 0x01, // bInterfaceSubClass (0x01 = Boot)
218 0x01, // bInterfaceProtocol (0x01 = Keyboard)
219 0, // iInterface
220 // HID descriptor, HID 1.11 spec, section 6.2.1
221 9, // bLength
222 0x21, // bDescriptorType
223 0x11, 0x01, // bcdHID
224 0, // bCountryCode
225 1, // bNumDescriptors
226 0x22, // bDescriptorType
227 sizeof(keyboard_hid_report_desc), // wDescriptorLength
228 0,
229 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
230 7, // bLength
231 5, // bDescriptorType
232 KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
233 0x03, // bmAttributes (0x03=intr)
234 KEYBOARD_SIZE, 0, // wMaxPacketSize
235 1, // bInterval
236
237 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
238 9, // bLength
239 4, // bDescriptorType
240 MOUSE_INTERFACE, // bInterfaceNumber
241 0, // bAlternateSetting
242 1, // bNumEndpoints
243 0x03, // bInterfaceClass (0x03 = HID)
244 0x01, // bInterfaceSubClass (0x01 = Boot)
245 0x02, // bInterfaceProtocol (0x02 = Mouse)
246 0, // iInterface
247 // HID descriptor, HID 1.11 spec, section 6.2.1
248 9, // bLength
249 0x21, // bDescriptorType
250 0x11, 0x01, // bcdHID
251 0, // bCountryCode
252 1, // bNumDescriptors
253 0x22, // bDescriptorType
254 sizeof(mouse_hid_report_desc), // wDescriptorLength
255 0,
256 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
257 7, // bLength
258 5, // bDescriptorType
259 MOUSE_ENDPOINT | 0x80, // bEndpointAddress
260 0x03, // bmAttributes (0x03=intr)
261 4, 0, // wMaxPacketSize
262 1, // bInterval
263
264 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
265 9, // bLength
266 4, // bDescriptorType
267 DEBUG_INTERFACE, // bInterfaceNumber
268 0, // bAlternateSetting
269 1, // bNumEndpoints
270 0x03, // bInterfaceClass (0x03 = HID)
271 0x00, // bInterfaceSubClass
272 0x00, // bInterfaceProtocol
273 0, // iInterface
274 // HID descriptor, HID 1.11 spec, section 6.2.1
275 9, // bLength
276 0x21, // bDescriptorType
277 0x11, 0x01, // bcdHID
278 0, // bCountryCode
279 1, // bNumDescriptors
280 0x22, // bDescriptorType
281 sizeof(debug_hid_report_desc), // wDescriptorLength
282 0,
283 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
284 7, // bLength
285 5, // bDescriptorType
286 DEBUG_TX_ENDPOINT | 0x80, // bEndpointAddress
287 0x03, // bmAttributes (0x03=intr)
288 DEBUG_TX_SIZE, 0, // wMaxPacketSize
289 1 // bInterval
290 };
291
292 // If you're desperate for a little extra code memory, these strings
293 // can be completely removed if iManufacturer, iProduct, iSerialNumber
294 // in the device desciptor are changed to zeros.
295 struct usb_string_descriptor_struct {
296 uint8_t bLength;
297 uint8_t bDescriptorType;
298 int16_t wString[];
299 };
300 static struct usb_string_descriptor_struct PROGMEM string0 = {
301 4,
302 3,
303 {0x0409}
304 };
305 static struct usb_string_descriptor_struct PROGMEM string1 = {
306 sizeof(STR_MANUFACTURER),
307 3,
308 STR_MANUFACTURER
309 };
310 static struct usb_string_descriptor_struct PROGMEM string2 = {
311 sizeof(STR_PRODUCT),
312 3,
313 STR_PRODUCT
314 };
315
316 // This table defines which descriptor data is sent for each specific
317 // request from the host (in wValue and wIndex).
318 static struct descriptor_list_struct {
319 uint16_t wValue; // descriptor type
320 uint16_t wIndex;
321 const uint8_t *addr;
322 uint8_t length;
323 } PROGMEM descriptor_list[] = {
324 // DEVICE descriptor
325 {0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
326 // CONFIGURATION descriptor
327 {0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
328 // HID REPORT
329 {0x2200, KEYBOARD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
330 {0x2100, KEYBOARD_INTERFACE, config1_descriptor+KEYBOARD_HID_DESC_OFFSET, 9},
331 // HID REPORT
332 {0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
333 {0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
334 // HID REPORT
335 {0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
336 {0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
337 // STRING descriptor
338 {0x0300, 0x0000, (const uint8_t *)&string0, 4},
339 {0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
340 {0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
341 };
342 #define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
343
344
345 /**************************************************************************
346 *
347 * Variables - these are the only non-stack RAM usage
348 *
349 **************************************************************************/
350
351 // zero when we are not configured, non-zero when enumerated
352 static volatile uint8_t usb_configuration=0;
353
354
355 /**************************************************************************
356 *
357 * Public Functions - these are the API intended for the user
358 *
359 **************************************************************************/
360
361
362 // initialize USB
363 void usb_init(void)
364 {
365 HW_CONFIG();
366 USB_FREEZE(); // enable USB
367 PLL_CONFIG(); // config PLL
368 while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
369 USB_CONFIG(); // start USB clock
370 UDCON = 0; // enable attach resistor
371 usb_configuration = 0;
372 UDIEN = (1<<EORSTE)|(1<<SOFE);
373 sei();
374 }
375
376 // return 0 if the USB is not configured, or the configuration
377 // number selected by the HOST
378 uint8_t usb_configured(void)
379 {
380 return usb_configuration;
381 }
382
383
384
385 /**************************************************************************
386 *
387 * Private Functions - not intended for general user consumption....
388 *
389 **************************************************************************/
390
391
392
393 // USB Device Interrupt - handle all device-level events
394 // the transmit buffer flushing is triggered by the start of frame
395 //
396 ISR(USB_GEN_vect)
397 {
398 uint8_t intbits, t, i;
399 static uint8_t div4=0;
400
401 intbits = UDINT;
402 UDINT = 0;
403 if (intbits & (1<<EORSTI)) {
404 UENUM = 0;
405 UECONX = 1;
406 UECFG0X = EP_TYPE_CONTROL;
407 UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
408 UEIENX = (1<<RXSTPE);
409 usb_configuration = 0;
410 }
411 if ((intbits & (1<<SOFI)) && usb_configuration) {
412 t = debug_flush_timer;
413 if (t) {
414 debug_flush_timer = -- t;
415 if (!t) {
416 UENUM = DEBUG_TX_ENDPOINT;
417 while ((UEINTX & (1<<RWAL))) {
418 UEDATX = 0;
419 }
420 UEINTX = 0x3A;
421 }
422 }
423 if (keyboard_idle_config && (++div4 & 3) == 0) {
424 UENUM = KEYBOARD_ENDPOINT;
425 if (UEINTX & (1<<RWAL)) {
426 keyboard_idle_count++;
427 if (keyboard_idle_count == keyboard_idle_config) {
428 keyboard_idle_count = 0;
429 UEDATX = keyboard_modifier_keys;
430 UEDATX = 0;
431 for (i=0; i<6; i++) {
432 UEDATX = keyboard_keys[i];
433 }
434 UEINTX = 0x3A;
435 }
436 }
437 }
438 }
439 }
440
441
442
443 // Misc functions to wait for ready and send/receive packets
444 static inline void usb_wait_in_ready(void)
445 {
446 while (!(UEINTX & (1<<TXINI))) ;
447 }
448 static inline void usb_send_in(void)
449 {
450 UEINTX = ~(1<<TXINI);
451 }
452 static inline void usb_wait_receive_out(void)
453 {
454 while (!(UEINTX & (1<<RXOUTI))) ;
455 }
456 static inline void usb_ack_out(void)
457 {
458 UEINTX = ~(1<<RXOUTI);
459 }
460
461
462
463 // USB Endpoint Interrupt - endpoint 0 is handled here. The
464 // other endpoints are manipulated by the user-callable
465 // functions, and the start-of-frame interrupt.
466 //
467 ISR(USB_COM_vect)
468 {
469 uint8_t intbits;
470 const uint8_t *list;
471 const uint8_t *cfg;
472 uint8_t i, n, len, en;
473 uint8_t bmRequestType;
474 uint8_t bRequest;
475 uint16_t wValue;
476 uint16_t wIndex;
477 uint16_t wLength;
478 uint16_t desc_val;
479 const uint8_t *desc_addr;
480 uint8_t desc_length;
481
482 UENUM = 0;
483 intbits = UEINTX;
484 if (intbits & (1<<RXSTPI)) {
485 bmRequestType = UEDATX;
486 bRequest = UEDATX;
487 wValue = UEDATX;
488 wValue |= (UEDATX << 8);
489 wIndex = UEDATX;
490 wIndex |= (UEDATX << 8);
491 wLength = UEDATX;
492 wLength |= (UEDATX << 8);
493 UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
494 if (bRequest == GET_DESCRIPTOR) {
495 list = (const uint8_t *)descriptor_list;
496 for (i=0; ; i++) {
497 if (i >= NUM_DESC_LIST) {
498 UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
499 return;
500 }
501 desc_val = pgm_read_word(list);
502 if (desc_val != wValue) {
503 list += sizeof(struct descriptor_list_struct);
504 continue;
505 }
506 list += 2;
507 desc_val = pgm_read_word(list);
508 if (desc_val != wIndex) {
509 list += sizeof(struct descriptor_list_struct)-2;
510 continue;
511 }
512 list += 2;
513 desc_addr = (const uint8_t *)pgm_read_word(list);
514 list += 2;
515 desc_length = pgm_read_byte(list);
516 break;
517 }
518 len = (wLength < 256) ? wLength : 255;
519 if (len > desc_length) len = desc_length;
520 do {
521 // wait for host ready for IN packet
522 do {
523 i = UEINTX;
524 } while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
525 if (i & (1<<RXOUTI)) return; // abort
526 // send IN packet
527 n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
528 for (i = n; i; i--) {
529 UEDATX = pgm_read_byte(desc_addr++);
530 }
531 len -= n;
532 usb_send_in();
533 } while (len || n == ENDPOINT0_SIZE);
534 return;
535 }
536 if (bRequest == SET_ADDRESS) {
537 usb_send_in();
538 usb_wait_in_ready();
539 UDADDR = wValue | (1<<ADDEN);
540 return;
541 }
542 if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
543 usb_configuration = wValue;
544 usb_send_in();
545 cfg = endpoint_config_table;
546 for (i=1; i<=6; i++) {
547 UENUM = i;
548 en = pgm_read_byte(cfg++);
549 UECONX = en;
550 if (en) {
551 UECFG0X = pgm_read_byte(cfg++);
552 UECFG1X = pgm_read_byte(cfg++);
553 }
554 }
555 UERST = 0x7E;
556 UERST = 0;
557 return;
558 }
559 if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
560 usb_wait_in_ready();
561 UEDATX = usb_configuration;
562 usb_send_in();
563 return;
564 }
565
566 if (bRequest == GET_STATUS) {
567 usb_wait_in_ready();
568 i = 0;
569 #ifdef SUPPORT_ENDPOINT_HALT
570 if (bmRequestType == 0x82) {
571 UENUM = wIndex;
572 if (UECONX & (1<<STALLRQ)) i = 1;
573 UENUM = 0;
574 }
575 #endif
576 UEDATX = i;
577 UEDATX = 0;
578 usb_send_in();
579 return;
580 }
581 #ifdef SUPPORT_ENDPOINT_HALT
582 if ((bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE)
583 && bmRequestType == 0x02 && wValue == 0) {
584 i = wIndex & 0x7F;
585 if (i >= 1 && i <= MAX_ENDPOINT) {
586 usb_send_in();
587 UENUM = i;
588 if (bRequest == SET_FEATURE) {
589 UECONX = (1<<STALLRQ)|(1<<EPEN);
590 } else {
591 UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
592 UERST = (1 << i);
593 UERST = 0;
594 }
595 return;
596 }
597 }
598 #endif
599 if (wIndex == KEYBOARD_INTERFACE) {
600 if (bmRequestType == 0xA1) {
601 if (bRequest == HID_GET_REPORT) {
602 usb_wait_in_ready();
603 UEDATX = keyboard_modifier_keys;
604 UEDATX = 0;
605 for (i=0; i<6; i++) {
606 UEDATX = keyboard_keys[i];
607 }
608 usb_send_in();
609 return;
610 }
611 if (bRequest == HID_GET_IDLE) {
612 usb_wait_in_ready();
613 UEDATX = keyboard_idle_config;
614 usb_send_in();
615 return;
616 }
617 if (bRequest == HID_GET_PROTOCOL) {
618 usb_wait_in_ready();
619 UEDATX = keyboard_protocol;
620 usb_send_in();
621 return;
622 }
623 }
624 if (bmRequestType == 0x21) {
625 if (bRequest == HID_SET_REPORT) {
626 usb_wait_receive_out();
627 keyboard_leds = UEDATX;
628 usb_ack_out();
629 usb_send_in();
630 return;
631 }
632 if (bRequest == HID_SET_IDLE) {
633 keyboard_idle_config = (wValue >> 8);
634 keyboard_idle_count = 0;
635 //usb_wait_in_ready();
636 usb_send_in();
637 return;
638 }
639 if (bRequest == HID_SET_PROTOCOL) {
640 keyboard_protocol = wValue;
641 //usb_wait_in_ready();
642 usb_send_in();
643 return;
644 }
645 }
646 }
647 if (wIndex == MOUSE_INTERFACE) {
648 if (bmRequestType == 0xA1) {
649 print("mouse: 0xA1\n");
650 if (bRequest == HID_GET_REPORT) {
651 if (wValue == HID_REPORT_INPUT) {
652 print("mouse: HID_GET_REPORT: input\n");
653 usb_wait_in_ready();
654 UEDATX = mouse_buttons;
655 UEDATX = 0;
656 UEDATX = 0;
657 UEDATX = 0;
658 usb_send_in();
659 return;
660 }
661 if (wValue == HID_REPORT_FEATURE) {
662 print("mouse: HID_GET_REPORT: feature\n");
663 usb_wait_in_ready();
664 UEDATX = 0x05;
665 usb_send_in();
666 return;
667 }
668 }
669 if (bRequest == HID_GET_PROTOCOL) {
670 usb_wait_in_ready();
671 UEDATX = mouse_protocol;
672 usb_send_in();
673 return;
674 }
675 }
676 if (bmRequestType == 0x21) {
677 print("mouse: 0x21\n");
678 if (bRequest == HID_SET_PROTOCOL) {
679 mouse_protocol = wValue;
680 usb_send_in();
681 return;
682 }
683 }
684 }
685 if (wIndex == DEBUG_INTERFACE) {
686 if (bRequest == HID_GET_REPORT && bmRequestType == 0xA1) {
687 len = wLength;
688 do {
689 // wait for host ready for IN packet
690 do {
691 i = UEINTX;
692 } while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
693 if (i & (1<<RXOUTI)) return; // abort
694 // send IN packet
695 n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
696 for (i = n; i; i--) {
697 UEDATX = 0;
698 }
699 len -= n;
700 usb_send_in();
701 } while (len || n == ENDPOINT0_SIZE);
702 return;
703 }
704 }
705 }
706 UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
707 }
708
709
custom keymap for my minivan; forked from http://github.com/evangs/tmk_keyboard
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