1/* 2 * kbd.c 3 */ 4 5/*- 6 * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $Id: kbd.c,v 1.4 2006/09/07 21:06:53 max Exp $ 31 * $FreeBSD$ 32 */ 33 34#include <sys/consio.h> 35#include <sys/ioctl.h> 36#include <sys/kbio.h> 37#include <sys/queue.h> 38#include <sys/wait.h> 39#include <assert.h> 40#include <bluetooth.h> 41#include <dev/usb/usb.h> 42#include <dev/usb/usbhid.h> 43#include <dev/vkbd/vkbd_var.h> 44#include <errno.h> 45#include <fcntl.h> 46#include <limits.h> 47#include <stdarg.h> 48#include <stdio.h> 49#include <stdlib.h> 50#include <string.h> 51#include <syslog.h> 52#include <unistd.h> 53#include <usbhid.h> 54#include "bthid_config.h" 55#include "bthidd.h" 56#include "kbd.h" 57 58static void kbd_write(bitstr_t *m, int32_t fb, int32_t make, int32_t fd); 59static int32_t kbd_xlate(int32_t code, int32_t make, int32_t *b, int32_t const *eob); 60 61/* 62 * HID code to PS/2 set 1 code translation table. 63 * 64 * http://www.microsoft.com/whdc/device/input/Scancode.mspx 65 * 66 * The table only contains "make" (key pressed) codes. 67 * The "break" (key released) code is generated as "make" | 0x80 68 */ 69 70#define E0PREFIX (1U << 31) 71#define NOBREAK (1 << 30) 72#define CODEMASK (~(E0PREFIX|NOBREAK)) 73 74static int32_t const x[] = 75{ 76/*==================================================*/ 77/* Name HID code Make Break*/ 78/*==================================================*/ 79/* No Event 00 */ -1, /* None */ 80/* Overrun Error 01 */ NOBREAK|0xFF, /* None */ 81/* POST Fail 02 */ NOBREAK|0xFC, /* None */ 82/* ErrorUndefined 03 */ -1, /* Unassigned */ 83/* a A 04 */ 0x1E, /* 9E */ 84/* b B 05 */ 0x30, /* B0 */ 85/* c C 06 */ 0x2E, /* AE */ 86/* d D 07 */ 0x20, /* A0 */ 87/* e E 08 */ 0x12, /* 92 */ 88/* f F 09 */ 0x21, /* A1 */ 89/* g G 0A */ 0x22, /* A2 */ 90/* h H 0B */ 0x23, /* A3 */ 91/* i I 0C */ 0x17, /* 97 */ 92/* j J 0D */ 0x24, /* A4 */ 93/* k K 0E */ 0x25, /* A5 */ 94/* l L 0F */ 0x26, /* A6 */ 95/* m M 10 */ 0x32, /* B2 */ 96/* n N 11 */ 0x31, /* B1 */ 97/* o O 12 */ 0x18, /* 98 */ 98/* p P 13 */ 0x19, /* 99 */ 99/* q Q 14 */ 0x10, /* 90 */ 100/* r R 15 */ 0x13, /* 93 */ 101/* s S 16 */ 0x1F, /* 9F */ 102/* t T 17 */ 0x14, /* 94 */ 103/* u U 18 */ 0x16, /* 96 */ 104/* v V 19 */ 0x2F, /* AF */ 105/* w W 1A */ 0x11, /* 91 */ 106/* x X 1B */ 0x2D, /* AD */ 107/* y Y 1C */ 0x15, /* 95 */ 108/* z Z 1D */ 0x2C, /* AC */ 109/* 1 ! 1E */ 0x02, /* 82 */ 110/* 2 @ 1F */ 0x03, /* 83 */ 111/* 3 # 20 */ 0x04, /* 84 */ 112/* 4 $ 21 */ 0x05, /* 85 */ 113/* 5 % 22 */ 0x06, /* 86 */ 114/* 6 ^ 23 */ 0x07, /* 87 */ 115/* 7 & 24 */ 0x08, /* 88 */ 116/* 8 * 25 */ 0x09, /* 89 */ 117/* 9 ( 26 */ 0x0A, /* 8A */ 118/* 0 ) 27 */ 0x0B, /* 8B */ 119/* Return 28 */ 0x1C, /* 9C */ 120/* Escape 29 */ 0x01, /* 81 */ 121/* Backspace 2A */ 0x0E, /* 8E */ 122/* Tab 2B */ 0x0F, /* 8F */ 123/* Space 2C */ 0x39, /* B9 */ 124/* - _ 2D */ 0x0C, /* 8C */ 125/* = + 2E */ 0x0D, /* 8D */ 126/* [ { 2F */ 0x1A, /* 9A */ 127/* ] } 30 */ 0x1B, /* 9B */ 128/* \ | 31 */ 0x2B, /* AB */ 129/* Europe 1 32 */ 0x2B, /* AB */ 130/* ; : 33 */ 0x27, /* A7 */ 131/* " ' 34 */ 0x28, /* A8 */ 132/* ` ~ 35 */ 0x29, /* A9 */ 133/* comma < 36 */ 0x33, /* B3 */ 134/* . > 37 */ 0x34, /* B4 */ 135/* / ? 38 */ 0x35, /* B5 */ 136/* Caps Lock 39 */ 0x3A, /* BA */ 137/* F1 3A */ 0x3B, /* BB */ 138/* F2 3B */ 0x3C, /* BC */ 139/* F3 3C */ 0x3D, /* BD */ 140/* F4 3D */ 0x3E, /* BE */ 141/* F5 3E */ 0x3F, /* BF */ 142/* F6 3F */ 0x40, /* C0 */ 143/* F7 40 */ 0x41, /* C1 */ 144/* F8 41 */ 0x42, /* C2 */ 145/* F9 42 */ 0x43, /* C3 */ 146/* F10 43 */ 0x44, /* C4 */ 147/* F11 44 */ 0x57, /* D7 */ 148/* F12 45 */ 0x58, /* D8 */ 149/* Print Screen 46 */ E0PREFIX|0x37, /* E0 B7 */ 150/* Scroll Lock 47 */ 0x46, /* C6 */ 151#if 0 152/* Break (Ctrl-Pause) 48 */ E0 46 E0 C6, /* None */ 153/* Pause 48 */ E1 1D 45 E1 9D C5, /* None */ 154#else 155/* Break (Ctrl-Pause)/Pause 48 */ NOBREAK /* Special case */, /* None */ 156#endif 157/* Insert 49 */ E0PREFIX|0x52, /* E0 D2 */ 158/* Home 4A */ E0PREFIX|0x47, /* E0 C7 */ 159/* Page Up 4B */ E0PREFIX|0x49, /* E0 C9 */ 160/* Delete 4C */ E0PREFIX|0x53, /* E0 D3 */ 161/* End 4D */ E0PREFIX|0x4F, /* E0 CF */ 162/* Page Down 4E */ E0PREFIX|0x51, /* E0 D1 */ 163/* Right Arrow 4F */ E0PREFIX|0x4D, /* E0 CD */ 164/* Left Arrow 50 */ E0PREFIX|0x4B, /* E0 CB */ 165/* Down Arrow 51 */ E0PREFIX|0x50, /* E0 D0 */ 166/* Up Arrow 52 */ E0PREFIX|0x48, /* E0 C8 */ 167/* Num Lock 53 */ 0x45, /* C5 */ 168/* Keypad / 54 */ E0PREFIX|0x35, /* E0 B5 */ 169/* Keypad * 55 */ 0x37, /* B7 */ 170/* Keypad - 56 */ 0x4A, /* CA */ 171/* Keypad + 57 */ 0x4E, /* CE */ 172/* Keypad Enter 58 */ E0PREFIX|0x1C, /* E0 9C */ 173/* Keypad 1 End 59 */ 0x4F, /* CF */ 174/* Keypad 2 Down 5A */ 0x50, /* D0 */ 175/* Keypad 3 PageDn 5B */ 0x51, /* D1 */ 176/* Keypad 4 Left 5C */ 0x4B, /* CB */ 177/* Keypad 5 5D */ 0x4C, /* CC */ 178/* Keypad 6 Right 5E */ 0x4D, /* CD */ 179/* Keypad 7 Home 5F */ 0x47, /* C7 */ 180/* Keypad 8 Up 60 */ 0x48, /* C8 */ 181/* Keypad 9 PageUp 61 */ 0x49, /* C9 */ 182/* Keypad 0 Insert 62 */ 0x52, /* D2 */ 183/* Keypad . Delete 63 */ 0x53, /* D3 */ 184/* Europe 2 64 */ 0x56, /* D6 */ 185/* App 65 */ E0PREFIX|0x5D, /* E0 DD */ 186/* Keyboard Power 66 */ E0PREFIX|0x5E, /* E0 DE */ 187/* Keypad = 67 */ 0x59, /* D9 */ 188/* F13 68 */ 0x64, /* E4 */ 189/* F14 69 */ 0x65, /* E5 */ 190/* F15 6A */ 0x66, /* E6 */ 191/* F16 6B */ 0x67, /* E7 */ 192/* F17 6C */ 0x68, /* E8 */ 193/* F18 6D */ 0x69, /* E9 */ 194/* F19 6E */ 0x6A, /* EA */ 195/* F20 6F */ 0x6B, /* EB */ 196/* F21 70 */ 0x6C, /* EC */ 197/* F22 71 */ 0x6D, /* ED */ 198/* F23 72 */ 0x6E, /* EE */ 199/* F24 73 */ 0x76, /* F6 */ 200/* Keyboard Execute 74 */ -1, /* Unassigned */ 201/* Keyboard Help 75 */ -1, /* Unassigned */ 202/* Keyboard Menu 76 */ -1, /* Unassigned */ 203/* Keyboard Select 77 */ -1, /* Unassigned */ 204/* Keyboard Stop 78 */ -1, /* Unassigned */ 205/* Keyboard Again 79 */ -1, /* Unassigned */ 206/* Keyboard Undo 7A */ -1, /* Unassigned */ 207/* Keyboard Cut 7B */ -1, /* Unassigned */ 208/* Keyboard Copy 7C */ -1, /* Unassigned */ 209/* Keyboard Paste 7D */ -1, /* Unassigned */ 210/* Keyboard Find 7E */ -1, /* Unassigned */ 211/* Keyboard Mute 7F */ -1, /* Unassigned */ 212/* Keyboard Volume Up 80 */ -1, /* Unassigned */ 213/* Keyboard Volume Dn 81 */ -1, /* Unassigned */ 214/* Keyboard Locking Caps Lock 82 */ -1, /* Unassigned */ 215/* Keyboard Locking Num Lock 83 */ -1, /* Unassigned */ 216/* Keyboard Locking Scroll Lock 84 */ -1, /* Unassigned */ 217/* Keypad comma 85 */ 0x7E, /* FE */ 218/* Keyboard Equal Sign 86 */ -1, /* Unassigned */ 219/* Keyboard Int'l 1 87 */ 0x73, /* F3 */ 220/* Keyboard Int'l 2 88 */ 0x70, /* F0 */ 221/* Keyboard Int'l 2 89 */ 0x7D, /* FD */ 222/* Keyboard Int'l 4 8A */ 0x79, /* F9 */ 223/* Keyboard Int'l 5 8B */ 0x7B, /* FB */ 224/* Keyboard Int'l 6 8C */ 0x5C, /* DC */ 225/* Keyboard Int'l 7 8D */ -1, /* Unassigned */ 226/* Keyboard Int'l 8 8E */ -1, /* Unassigned */ 227/* Keyboard Int'l 9 8F */ -1, /* Unassigned */ 228/* Keyboard Lang 1 90 */ NOBREAK|0xF2, /* None */ 229/* Keyboard Lang 2 91 */ NOBREAK|0xF1, /* None */ 230/* Keyboard Lang 3 92 */ 0x78, /* F8 */ 231/* Keyboard Lang 4 93 */ 0x77, /* F7 */ 232/* Keyboard Lang 5 94 */ 0x76, /* F6 */ 233/* Keyboard Lang 6 95 */ -1, /* Unassigned */ 234/* Keyboard Lang 7 96 */ -1, /* Unassigned */ 235/* Keyboard Lang 8 97 */ -1, /* Unassigned */ 236/* Keyboard Lang 9 98 */ -1, /* Unassigned */ 237/* Keyboard Alternate Erase 99 */ -1, /* Unassigned */ 238/* Keyboard SysReq/Attention 9A */ -1, /* Unassigned */ 239/* Keyboard Cancel 9B */ -1, /* Unassigned */ 240/* Keyboard Clear 9C */ -1, /* Unassigned */ 241/* Keyboard Prior 9D */ -1, /* Unassigned */ 242/* Keyboard Return 9E */ -1, /* Unassigned */ 243/* Keyboard Separator 9F */ -1, /* Unassigned */ 244/* Keyboard Out A0 */ -1, /* Unassigned */ 245/* Keyboard Oper A1 */ -1, /* Unassigned */ 246/* Keyboard Clear/Again A2 */ -1, /* Unassigned */ 247/* Keyboard CrSel/Props A3 */ -1, /* Unassigned */ 248/* Keyboard ExSel A4 */ -1, /* Unassigned */ 249/* Reserved A5 */ -1, /* Reserved */ 250/* Reserved A6 */ -1, /* Reserved */ 251/* Reserved A7 */ -1, /* Reserved */ 252/* Reserved A8 */ -1, /* Reserved */ 253/* Reserved A9 */ -1, /* Reserved */ 254/* Reserved AA */ -1, /* Reserved */ 255/* Reserved AB */ -1, /* Reserved */ 256/* Reserved AC */ -1, /* Reserved */ 257/* Reserved AD */ -1, /* Reserved */ 258/* Reserved AE */ -1, /* Reserved */ 259/* Reserved AF */ -1, /* Reserved */ 260/* Reserved B0 */ -1, /* Reserved */ 261/* Reserved B1 */ -1, /* Reserved */ 262/* Reserved B2 */ -1, /* Reserved */ 263/* Reserved B3 */ -1, /* Reserved */ 264/* Reserved B4 */ -1, /* Reserved */ 265/* Reserved B5 */ -1, /* Reserved */ 266/* Reserved B6 */ -1, /* Reserved */ 267/* Reserved B7 */ -1, /* Reserved */ 268/* Reserved B8 */ -1, /* Reserved */ 269/* Reserved B9 */ -1, /* Reserved */ 270/* Reserved BA */ -1, /* Reserved */ 271/* Reserved BB */ -1, /* Reserved */ 272/* Reserved BC */ -1, /* Reserved */ 273/* Reserved BD */ -1, /* Reserved */ 274/* Reserved BE */ -1, /* Reserved */ 275/* Reserved BF */ -1, /* Reserved */ 276/* Reserved C0 */ -1, /* Reserved */ 277/* Reserved C1 */ -1, /* Reserved */ 278/* Reserved C2 */ -1, /* Reserved */ 279/* Reserved C3 */ -1, /* Reserved */ 280/* Reserved C4 */ -1, /* Reserved */ 281/* Reserved C5 */ -1, /* Reserved */ 282/* Reserved C6 */ -1, /* Reserved */ 283/* Reserved C7 */ -1, /* Reserved */ 284/* Reserved C8 */ -1, /* Reserved */ 285/* Reserved C9 */ -1, /* Reserved */ 286/* Reserved CA */ -1, /* Reserved */ 287/* Reserved CB */ -1, /* Reserved */ 288/* Reserved CC */ -1, /* Reserved */ 289/* Reserved CD */ -1, /* Reserved */ 290/* Reserved CE */ -1, /* Reserved */ 291/* Reserved CF */ -1, /* Reserved */ 292/* Reserved D0 */ -1, /* Reserved */ 293/* Reserved D1 */ -1, /* Reserved */ 294/* Reserved D2 */ -1, /* Reserved */ 295/* Reserved D3 */ -1, /* Reserved */ 296/* Reserved D4 */ -1, /* Reserved */ 297/* Reserved D5 */ -1, /* Reserved */ 298/* Reserved D6 */ -1, /* Reserved */ 299/* Reserved D7 */ -1, /* Reserved */ 300/* Reserved D8 */ -1, /* Reserved */ 301/* Reserved D9 */ -1, /* Reserved */ 302/* Reserved DA */ -1, /* Reserved */ 303/* Reserved DB */ -1, /* Reserved */ 304/* Reserved DC */ -1, /* Reserved */ 305/* Reserved DD */ -1, /* Reserved */ 306/* Reserved DE */ -1, /* Reserved */ 307/* Reserved DF */ -1, /* Reserved */ 308/* Left Control E0 */ 0x1D, /* 9D */ 309/* Left Shift E1 */ 0x2A, /* AA */ 310/* Left Alt E2 */ 0x38, /* B8 */ 311/* Left GUI E3 */ E0PREFIX|0x5B, /* E0 DB */ 312/* Right Control E4 */ E0PREFIX|0x1D, /* E0 9D */ 313/* Right Shift E5 */ 0x36, /* B6 */ 314/* Right Alt E6 */ E0PREFIX|0x38, /* E0 B8 */ 315/* Right GUI E7 */ E0PREFIX|0x5C /* E0 DC */ 316}; 317 318#define xsize ((int32_t)(sizeof(x)/sizeof(x[0]))) 319 320/* 321 * Get a max HID keycode (aligned) 322 */ 323 324int32_t 325kbd_maxkey(void) 326{ 327 return (xsize); 328} 329 330/* 331 * Process keys 332 */ 333 334int32_t 335kbd_process_keys(bthid_session_p s) 336{ 337 bitstr_t diff[bitstr_size(xsize)]; 338 int32_t f1, f2, i; 339 340 assert(s != NULL); 341 assert(s->srv != NULL); 342 343 /* Check if the new keys have been pressed */ 344 bit_ffs(s->keys1, xsize, &f1); 345 346 /* Check if old keys still pressed */ 347 bit_ffs(s->keys2, xsize, &f2); 348 349 if (f1 == -1) { 350 /* no new key pressed */ 351 if (f2 != -1) { 352 /* release old keys */ 353 kbd_write(s->keys2, f2, 0, s->vkbd); 354 memset(s->keys2, 0, bitstr_size(xsize)); 355 } 356 357 return (0); 358 } 359 360 if (f2 == -1) { 361 /* no old keys, but new keys pressed */ 362 assert(f1 != -1); 363 364 memcpy(s->keys2, s->keys1, bitstr_size(xsize)); 365 kbd_write(s->keys1, f1, 1, s->vkbd); 366 memset(s->keys1, 0, bitstr_size(xsize)); 367 368 return (0); 369 } 370 371 /* new keys got pressed, old keys got released */ 372 memset(diff, 0, bitstr_size(xsize)); 373 374 for (i = f2; i < xsize; i ++) { 375 if (bit_test(s->keys2, i)) { 376 if (!bit_test(s->keys1, i)) { 377 bit_clear(s->keys2, i); 378 bit_set(diff, i); 379 } 380 } 381 } 382 383 for (i = f1; i < xsize; i++) { 384 if (bit_test(s->keys1, i)) { 385 if (!bit_test(s->keys2, i)) 386 bit_set(s->keys2, i); 387 else 388 bit_clear(s->keys1, i); 389 } 390 } 391 392 bit_ffs(diff, xsize, &f2); 393 if (f2 > 0) 394 kbd_write(diff, f2, 0, s->vkbd); 395 396 bit_ffs(s->keys1, xsize, &f1); 397 if (f1 > 0) { 398 kbd_write(s->keys1, f1, 1, s->vkbd); 399 memset(s->keys1, 0, bitstr_size(xsize)); 400 } 401 402 return (0); 403} 404 405/* 406 * Translate given keymap and write keyscodes 407 */ 408 409static void 410kbd_write(bitstr_t *m, int32_t fb, int32_t make, int32_t fd) 411{ 412 int32_t i, *b, *eob, n, buf[64]; 413 414 b = buf; 415 eob = b + sizeof(buf)/sizeof(buf[0]); 416 i = fb; 417 418 while (i < xsize) { 419 if (bit_test(m, i)) { 420 n = kbd_xlate(i, make, b, eob); 421 if (n == -1) { 422 write(fd, buf, (b - buf) * sizeof(buf[0])); 423 b = buf; 424 continue; 425 } 426 427 b += n; 428 } 429 430 i ++; 431 } 432 433 if (b != buf) 434 write(fd, buf, (b - buf) * sizeof(buf[0])); 435} 436 437/* 438 * Translate HID code into PS/2 code and put codes into buffer b. 439 * Returns the number of codes put in b. Return -1 if buffer has not 440 * enough space. 441 */ 442 443#undef PUT 444#define PUT(c, n, b, eob) \ 445do { \ 446 if ((b) >= (eob)) \ 447 return (-1); \ 448 *(b) = (c); \ 449 (b) ++; \ 450 (n) ++; \ 451} while (0) 452 453static int32_t 454kbd_xlate(int32_t code, int32_t make, int32_t *b, int32_t const *eob) 455{ 456 int32_t c, n; 457 458 n = 0; 459 460 if (code >= xsize) 461 return (0); /* HID code is not in the table */ 462 463 /* Handle special case - Pause/Break */ 464 if (code == 0x48) { 465 if (!make) 466 return (0); /* No break code */ 467 468#if 0 469XXX FIXME 470 if (ctrl_is_pressed) { 471 /* Break (Ctrl-Pause) */ 472 PUT(0xe0, n, b, eob); 473 PUT(0x46, n, b, eob); 474 PUT(0xe0, n, b, eob); 475 PUT(0xc6, n, b, eob); 476 } else { 477 /* Pause */ 478 PUT(0xe1, n, b, eob); 479 PUT(0x1d, n, b, eob); 480 PUT(0x45, n, b, eob); 481 PUT(0xe1, n, b, eob); 482 PUT(0x9d, n, b, eob); 483 PUT(0xc5, n, b, eob); 484 } 485#endif 486 487 return (n); 488 } 489 490 if ((c = x[code]) == -1) 491 return (0); /* HID code translation is not defined */ 492 493 if (make) { 494 if (c & E0PREFIX) 495 PUT(0xe0, n, b, eob); 496 497 PUT((c & CODEMASK), n, b, eob); 498 } else if (!(c & NOBREAK)) { 499 if (c & E0PREFIX) 500 PUT(0xe0, n, b, eob); 501 502 PUT((0x80|(c & CODEMASK)), n, b, eob); 503 } 504 505 return (n); 506} 507 508/* 509 * Process status change from vkbd(4) 510 */ 511 512int32_t 513kbd_status_changed(bthid_session_p s, uint8_t *data, int32_t len) 514{ 515 vkbd_status_t st; 516 uint8_t leds, report_id; 517 hid_device_p hid_device; 518 hid_data_t d; 519 hid_item_t h; 520 521 assert(s != NULL); 522 assert(len == sizeof(vkbd_status_t)); 523 524 memcpy(&st, data, sizeof(st)); 525 leds = 0; 526 report_id = NO_REPORT_ID; 527 528 hid_device = get_hid_device(&s->bdaddr); 529 assert(hid_device != NULL); 530 531 for (d = hid_start_parse(hid_device->desc, 1 << hid_output, -1); 532 hid_get_item(d, &h) > 0; ) { 533 if (HID_PAGE(h.usage) == HUP_LEDS) { 534 if (report_id == NO_REPORT_ID) 535 report_id = h.report_ID; 536 else if (h.report_ID != report_id) 537 syslog(LOG_WARNING, "Output HID report IDs " \ 538 "for %s do not match: %d vs. %d. " \ 539 "Please report", 540 bt_ntoa(&s->bdaddr, NULL), 541 h.report_ID, report_id); 542 543 switch(HID_USAGE(h.usage)) { 544 case 0x01: /* Num Lock LED */ 545 if (st.leds & LED_NUM) 546 hid_set_data(&leds, &h, 1); 547 break; 548 549 case 0x02: /* Caps Lock LED */ 550 if (st.leds & LED_CAP) 551 hid_set_data(&leds, &h, 1); 552 break; 553 554 case 0x03: /* Scroll Lock LED */ 555 if (st.leds & LED_SCR) 556 hid_set_data(&leds, &h, 1); 557 break; 558 559 /* XXX add other LEDs ? */ 560 } 561 } 562 } 563 hid_end_parse(d); 564 565 data[0] = 0xa2; /* DATA output (HID output report) */ 566 567 if (report_id != NO_REPORT_ID) { 568 data[1] = report_id; 569 data[2] = leds; 570 len = 3; 571 } else { 572 data[1] = leds; 573 len = 2; 574 } 575 576 write(s->intr, data, len); 577 578 return (0); 579} 580 581