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Braille device support
[qemu.git] / hw / baum.c
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2e4d9fb1
AJ		 1/*
2 * QEMU Baum Braille Device
3 *
4 * Copyright (c) 2008 Samuel Thibault
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24#include "qemu-common.h"
25#include "qemu-char.h"
26#include "qemu-timer.h"
27#include "usb.h"
28#include <assert.h>
29#include <brlapi.h>
30#include <brlapi_constants.h>
31#include <brlapi_keycodes.h>
32#ifdef CONFIG_SDL
33#include <SDL/SDL_syswm.h>
34#endif
35
36#if 0
37#define DPRINTF(fmt, ...) \
38 printf(fmt, ## __VA_ARGS__)
39#else
40#define DPRINTF(fmt, ...)
41#endif
42
43#define ESC 0x1B
44
45#define BAUM_REQ_DisplayData 0x01
46#define BAUM_REQ_GetVersionNumber 0x05
47#define BAUM_REQ_GetKeys 0x08
48#define BAUM_REQ_SetMode 0x12
49#define BAUM_REQ_SetProtocol 0x15
50#define BAUM_REQ_GetDeviceIdentity 0x84
51#define BAUM_REQ_GetSerialNumber 0x8A
52
53#define BAUM_RSP_CellCount 0x01
54#define BAUM_RSP_VersionNumber 0x05
55#define BAUM_RSP_ModeSetting 0x11
56#define BAUM_RSP_CommunicationChannel 0x16
57#define BAUM_RSP_PowerdownSignal 0x17
58#define BAUM_RSP_HorizontalSensors 0x20
59#define BAUM_RSP_VerticalSensors 0x21
60#define BAUM_RSP_RoutingKeys 0x22
61#define BAUM_RSP_Switches 0x23
62#define BAUM_RSP_TopKeys 0x24
63#define BAUM_RSP_HorizontalSensor 0x25
64#define BAUM_RSP_VerticalSensor 0x26
65#define BAUM_RSP_RoutingKey 0x27
66#define BAUM_RSP_FrontKeys6 0x28
67#define BAUM_RSP_BackKeys6 0x29
68#define BAUM_RSP_CommandKeys 0x2B
69#define BAUM_RSP_FrontKeys10 0x2C
70#define BAUM_RSP_BackKeys10 0x2D
71#define BAUM_RSP_EntryKeys 0x33
72#define BAUM_RSP_JoyStick 0x34
73#define BAUM_RSP_ErrorCode 0x40
74#define BAUM_RSP_InfoBlock 0x42
75#define BAUM_RSP_DeviceIdentity 0x84
76#define BAUM_RSP_SerialNumber 0x8A
77#define BAUM_RSP_BluetoothName 0x8C
78
79#define BAUM_TL1 0x01
80#define BAUM_TL2 0x02
81#define BAUM_TL3 0x04
82#define BAUM_TR1 0x08
83#define BAUM_TR2 0x10
84#define BAUM_TR3 0x20
85
86#define BUF_SIZE 256
87
88typedef struct {
89 CharDriverState *chr;
90
91 brlapi_handle_t *brlapi;
92 int brlapi_fd;
93 int x, y;
94
95 uint8_t in_buf[BUF_SIZE];
96 uint8_t in_buf_used;
97 uint8_t out_buf[BUF_SIZE];
98 uint8_t out_buf_used, out_buf_ptr;
99
100 QEMUTimer *cellCount_timer;
101} BaumDriverState;
102
103/* Let's assume NABCC by default */
104static const uint8_t nabcc_translation[256] = {
105 [0] = ' ',
106#ifndef BRLAPI_DOTS
107#define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \
108 ((d1?BRLAPI_DOT1:0)|\
109 (d2?BRLAPI_DOT2:0)|\
110 (d3?BRLAPI_DOT3:0)|\
111 (d4?BRLAPI_DOT4:0)|\
112 (d5?BRLAPI_DOT5:0)|\
113 (d6?BRLAPI_DOT6:0)|\
114 (d7?BRLAPI_DOT7:0)|\
115 (d8?BRLAPI_DOT8:0))
116#endif
117 [BRLAPI_DOTS(1,0,0,0,0,0,0,0)] = 'a',
118 [BRLAPI_DOTS(1,1,0,0,0,0,0,0)] = 'b',
119 [BRLAPI_DOTS(1,0,0,1,0,0,0,0)] = 'c',
120 [BRLAPI_DOTS(1,0,0,1,1,0,0,0)] = 'd',
121 [BRLAPI_DOTS(1,0,0,0,1,0,0,0)] = 'e',
122 [BRLAPI_DOTS(1,1,0,1,0,0,0,0)] = 'f',
123 [BRLAPI_DOTS(1,1,0,1,1,0,0,0)] = 'g',
124 [BRLAPI_DOTS(1,1,0,0,1,0,0,0)] = 'h',
125 [BRLAPI_DOTS(0,1,0,1,0,0,0,0)] = 'i',
126 [BRLAPI_DOTS(0,1,0,1,1,0,0,0)] = 'j',
127 [BRLAPI_DOTS(1,0,1,0,0,0,0,0)] = 'k',
128 [BRLAPI_DOTS(1,1,1,0,0,0,0,0)] = 'l',
129 [BRLAPI_DOTS(1,0,1,1,0,0,0,0)] = 'm',
130 [BRLAPI_DOTS(1,0,1,1,1,0,0,0)] = 'n',
131 [BRLAPI_DOTS(1,0,1,0,1,0,0,0)] = 'o',
132 [BRLAPI_DOTS(1,1,1,1,0,0,0,0)] = 'p',
133 [BRLAPI_DOTS(1,1,1,1,1,0,0,0)] = 'q',
134 [BRLAPI_DOTS(1,1,1,0,1,0,0,0)] = 'r',
135 [BRLAPI_DOTS(0,1,1,1,0,0,0,0)] = 's',
136 [BRLAPI_DOTS(0,1,1,1,1,0,0,0)] = 't',
137 [BRLAPI_DOTS(1,0,1,0,0,1,0,0)] = 'u',
138 [BRLAPI_DOTS(1,1,1,0,0,1,0,0)] = 'v',
139 [BRLAPI_DOTS(0,1,0,1,1,1,0,0)] = 'w',
140 [BRLAPI_DOTS(1,0,1,1,0,1,0,0)] = 'x',
141 [BRLAPI_DOTS(1,0,1,1,1,1,0,0)] = 'y',
142 [BRLAPI_DOTS(1,0,1,0,1,1,0,0)] = 'z',
143
144 [BRLAPI_DOTS(1,0,0,0,0,0,1,0)] = 'A',
145 [BRLAPI_DOTS(1,1,0,0,0,0,1,0)] = 'B',
146 [BRLAPI_DOTS(1,0,0,1,0,0,1,0)] = 'C',
147 [BRLAPI_DOTS(1,0,0,1,1,0,1,0)] = 'D',
148 [BRLAPI_DOTS(1,0,0,0,1,0,1,0)] = 'E',
149 [BRLAPI_DOTS(1,1,0,1,0,0,1,0)] = 'F',
150 [BRLAPI_DOTS(1,1,0,1,1,0,1,0)] = 'G',
151 [BRLAPI_DOTS(1,1,0,0,1,0,1,0)] = 'H',
152 [BRLAPI_DOTS(0,1,0,1,0,0,1,0)] = 'I',
153 [BRLAPI_DOTS(0,1,0,1,1,0,1,0)] = 'J',
154 [BRLAPI_DOTS(1,0,1,0,0,0,1,0)] = 'K',
155 [BRLAPI_DOTS(1,1,1,0,0,0,1,0)] = 'L',
156 [BRLAPI_DOTS(1,0,1,1,0,0,1,0)] = 'M',
157 [BRLAPI_DOTS(1,0,1,1,1,0,1,0)] = 'N',
158 [BRLAPI_DOTS(1,0,1,0,1,0,1,0)] = 'O',
159 [BRLAPI_DOTS(1,1,1,1,0,0,1,0)] = 'P',
160 [BRLAPI_DOTS(1,1,1,1,1,0,1,0)] = 'Q',
161 [BRLAPI_DOTS(1,1,1,0,1,0,1,0)] = 'R',
162 [BRLAPI_DOTS(0,1,1,1,0,0,1,0)] = 'S',
163 [BRLAPI_DOTS(0,1,1,1,1,0,1,0)] = 'T',
164 [BRLAPI_DOTS(1,0,1,0,0,1,1,0)] = 'U',
165 [BRLAPI_DOTS(1,1,1,0,0,1,1,0)] = 'V',
166 [BRLAPI_DOTS(0,1,0,1,1,1,1,0)] = 'W',
167 [BRLAPI_DOTS(1,0,1,1,0,1,1,0)] = 'X',
168 [BRLAPI_DOTS(1,0,1,1,1,1,1,0)] = 'Y',
169 [BRLAPI_DOTS(1,0,1,0,1,1,1,0)] = 'Z',
170
171 [BRLAPI_DOTS(0,0,1,0,1,1,0,0)] = '0',
172 [BRLAPI_DOTS(0,1,0,0,0,0,0,0)] = '1',
173 [BRLAPI_DOTS(0,1,1,0,0,0,0,0)] = '2',
174 [BRLAPI_DOTS(0,1,0,0,1,0,0,0)] = '3',
175 [BRLAPI_DOTS(0,1,0,0,1,1,0,0)] = '4',
176 [BRLAPI_DOTS(0,1,0,0,0,1,0,0)] = '5',
177 [BRLAPI_DOTS(0,1,1,0,1,0,0,0)] = '6',
178 [BRLAPI_DOTS(0,1,1,0,1,1,0,0)] = '7',
179 [BRLAPI_DOTS(0,1,1,0,0,1,0,0)] = '8',
180 [BRLAPI_DOTS(0,0,1,0,1,0,0,0)] = '9',
181
182 [BRLAPI_DOTS(0,0,0,1,0,1,0,0)] = '.',
183 [BRLAPI_DOTS(0,0,1,1,0,1,0,0)] = '+',
184 [BRLAPI_DOTS(0,0,1,0,0,1,0,0)] = '-',
185 [BRLAPI_DOTS(1,0,0,0,0,1,0,0)] = '*',
186 [BRLAPI_DOTS(0,0,1,1,0,0,0,0)] = '/',
187 [BRLAPI_DOTS(1,1,1,0,1,1,0,0)] = '(',
188 [BRLAPI_DOTS(0,1,1,1,1,1,0,0)] = ')',
189
190 [BRLAPI_DOTS(1,1,1,1,0,1,0,0)] = '&',
191 [BRLAPI_DOTS(0,0,1,1,1,1,0,0)] = '#',
192
193 [BRLAPI_DOTS(0,0,0,0,0,1,0,0)] = ',',
194 [BRLAPI_DOTS(0,0,0,0,1,1,0,0)] = ';',
195 [BRLAPI_DOTS(1,0,0,0,1,1,0,0)] = ':',
196 [BRLAPI_DOTS(0,1,1,1,0,1,0,0)] = '!',
197 [BRLAPI_DOTS(1,0,0,1,1,1,0,0)] = '?',
198 [BRLAPI_DOTS(0,0,0,0,1,0,0,0)] = '"',
199 [BRLAPI_DOTS(0,0,1,0,0,0,0,0)] ='\'',
200 [BRLAPI_DOTS(0,0,0,1,0,0,0,0)] = '`',
201 [BRLAPI_DOTS(0,0,0,1,1,0,1,0)] = '^',
202 [BRLAPI_DOTS(0,0,0,1,1,0,0,0)] = '~',
203 [BRLAPI_DOTS(0,1,0,1,0,1,1,0)] = '[',
204 [BRLAPI_DOTS(1,1,0,1,1,1,1,0)] = ']',
205 [BRLAPI_DOTS(0,1,0,1,0,1,0,0)] = '{',
206 [BRLAPI_DOTS(1,1,0,1,1,1,0,0)] = '}',
207 [BRLAPI_DOTS(1,1,1,1,1,1,0,0)] = '=',
208 [BRLAPI_DOTS(1,1,0,0,0,1,0,0)] = '<',
209 [BRLAPI_DOTS(0,0,1,1,1,0,0,0)] = '>',
210 [BRLAPI_DOTS(1,1,0,1,0,1,0,0)] = '$',
211 [BRLAPI_DOTS(1,0,0,1,0,1,0,0)] = '%',
212 [BRLAPI_DOTS(0,0,0,1,0,0,1,0)] = '@',
213 [BRLAPI_DOTS(1,1,0,0,1,1,0,0)] = '|',
214 [BRLAPI_DOTS(1,1,0,0,1,1,1,0)] ='\\',
215 [BRLAPI_DOTS(0,0,0,1,1,1,0,0)] = '_',
216};
217
218/* The serial port can receive more of our data */
219static void baum_accept_input(struct CharDriverState *chr)
220{
221 BaumDriverState *baum = chr->opaque;
222 int room, first;
223
224 if (!baum->out_buf_used)
225 return;
226 room = qemu_chr_can_read(chr);
227 if (!room)
228 return;
229 if (room > baum->out_buf_used)
230 room = baum->out_buf_used;
231
232 first = BUF_SIZE - baum->out_buf_ptr;
233 if (room > first) {
234 qemu_chr_read(chr, baum->out_buf + baum->out_buf_ptr, first);
235 baum->out_buf_ptr = 0;
236 baum->out_buf_used -= first;
237 room -= first;
238 }
239 qemu_chr_read(chr, baum->out_buf + baum->out_buf_ptr, room);
240 baum->out_buf_ptr += room;
241 baum->out_buf_used -= room;
242}
243
244/* We want to send a packet */
245static void baum_write_packet(BaumDriverState *baum, const uint8_t *buf, int len)
246{
247 uint8_t io_buf[1 + 2 * len], *cur = io_buf;
248 int room;
249 *cur++ = ESC;
250 while (len--)
251 if ((*cur++ = *buf++) == ESC)
252 *cur++ = ESC;
253 room = qemu_chr_can_read(baum->chr);
254 len = cur - io_buf;
255 if (len <= room) {
256 /* Fits */
257 qemu_chr_read(baum->chr, io_buf, len);
258 } else {
259 int first;
260 uint8_t out;
261 /* Can't fit all, send what can be, and store the rest. */
262 qemu_chr_read(baum->chr, io_buf, room);
263 len -= room;
264 cur = io_buf + room;
265 if (len > BUF_SIZE - baum->out_buf_used) {
266 /* Can't even store it, drop the previous data... */
267 assert(len <= BUF_SIZE);
268 baum->out_buf_used = 0;
269 baum->out_buf_ptr = 0;
270 }
271 out = baum->out_buf_ptr;
272 baum->out_buf_used += len;
273 first = BUF_SIZE - baum->out_buf_ptr;
274 if (len > first) {
275 memcpy(baum->out_buf + out, cur, first);
276 out = 0;
277 len -= first;
278 cur += first;
279 }
280 memcpy(baum->out_buf + out, cur, len);
281 }
282}
283
284/* Called when the other end seems to have a wrong idea of our display size */
285static void baum_cellCount_timer_cb(void *opaque)
286{
287 BaumDriverState *baum = opaque;
288 uint8_t cell_count[] = { BAUM_RSP_CellCount, baum->x * baum->y };
289 DPRINTF("Timeout waiting for DisplayData, sending cell count\n");
290 baum_write_packet(baum, cell_count, sizeof(cell_count));
291}
292
293/* Try to interpret a whole incoming packet */
294static int baum_eat_packet(BaumDriverState *baum, const uint8_t *buf, int len)
295{
296 const uint8_t *cur = buf;
297 uint8_t req = 0;
298
299 if (!len--)
300 return 0;
301 if (*cur++ != ESC) {
302 while (*cur != ESC) {
303 if (!len--)
304 return 0;
305 cur++;
306 }
307 DPRINTF("Dropped %d bytes!\n", cur - buf);
308 }
309
310#define EAT(c) do {\
311 if (!len--) \
312 return 0; \
313 if ((c = *cur++) == ESC) { \
314 if (!len--) \
315 return 0; \
316 if (*cur++ != ESC) { \
317 DPRINTF("Broken packet %#2x, tossing\n", req); \
318 if (qemu_timer_pending(baum->cellCount_timer)) { \
319 qemu_del_timer(baum->cellCount_timer); \
320 baum_cellCount_timer_cb(baum); \
321 } \
322 return (cur - 2 - buf); \
323 } \
324 } \
325} while (0)
326
327 EAT(req);
328 switch (req) {
329 case BAUM_REQ_DisplayData:
330 {
331 uint8_t cells[baum->x * baum->y], c;
332 uint8_t text[baum->x * baum->y];
333 uint8_t zero[baum->x * baum->y];
334 int cursor = BRLAPI_CURSOR_OFF;
335 int i;
336
337 /* Allow 100ms to complete the DisplayData packet */
338 qemu_mod_timer(baum->cellCount_timer, qemu_get_clock(vm_clock) + ticks_per_sec / 10);
339 for (i = 0; i < baum->x * baum->y ; i++) {
340 EAT(c);
341 cells[i] = c;
342 if ((c & (BRLAPI_DOT7|BRLAPI_DOT8))
343 == (BRLAPI_DOT7|BRLAPI_DOT8)) {
344 cursor = i + 1;
345 c &= ~(BRLAPI_DOT7|BRLAPI_DOT8);
346 }
347 if (!(c = nabcc_translation[c]))
348 c = '?';
349 text[i] = c;
350 }
351 qemu_del_timer(baum->cellCount_timer);
352
353 memset(zero, 0, sizeof(zero));
354
355 brlapi_writeArguments_t wa = {
356 .displayNumber = BRLAPI_DISPLAY_DEFAULT,
357 .regionBegin = 1,
358 .regionSize = baum->x * baum->y,
359 .text = text,
360 .textSize = baum->x * baum->y,
361 .andMask = zero,
362 .orMask = cells,
363 .cursor = cursor,
364 .charset = "ISO-8859-1",
365 };
366
367 if (brlapi__write(baum->brlapi, &wa) == -1)
368 brlapi_perror("baum brlapi_write");
369 break;
370 }
371 case BAUM_REQ_SetMode:
372 {
373 uint8_t mode, setting;
374 DPRINTF("SetMode\n");
375 EAT(mode);
376 EAT(setting);
377 /* ignore */
378 break;
379 }
380 case BAUM_REQ_SetProtocol:
381 {
382 uint8_t protocol;
383 DPRINTF("SetProtocol\n");
384 EAT(protocol);
385 /* ignore */
386 break;
387 }
388 case BAUM_REQ_GetDeviceIdentity:
389 {
390 uint8_t identity[17] = { BAUM_RSP_DeviceIdentity,
391 'B','a','u','m',' ','V','a','r','i','o' };
392 DPRINTF("GetDeviceIdentity\n");
393 identity[11] = '0' + baum->x / 10;
394 identity[12] = '0' + baum->x % 10;
395 baum_write_packet(baum, identity, sizeof(identity));
396 break;
397 }
398 case BAUM_REQ_GetVersionNumber:
399 {
400 uint8_t version[] = { BAUM_RSP_VersionNumber, 1 }; /* ? */
401 DPRINTF("GetVersionNumber\n");
402 baum_write_packet(baum, version, sizeof(version));
403 break;
404 }
405 case BAUM_REQ_GetSerialNumber:
406 {
407 uint8_t serial[] = { BAUM_RSP_SerialNumber,
408 '0','0','0','0','0','0','0','0' };
409 DPRINTF("GetSerialNumber\n");
410 baum_write_packet(baum, serial, sizeof(serial));
411 break;
412 }
413 case BAUM_REQ_GetKeys:
414 {
415 DPRINTF("Get%0#2x\n", req);
416 /* ignore */
417 break;
418 }
419 default:
420 DPRINTF("unrecognized request %0#2x\n", req);
421 do
422 if (!len--)
423 return 0;
424 while (*cur++ != ESC);
425 cur--;
426 break;
427 }
428 return cur - buf;
429}
430
431/* The other end is writing some data. Store it and try to interpret */
432static int baum_write(CharDriverState *chr, const uint8_t *buf, int len)
433{
434 BaumDriverState *baum = chr->opaque;
435 int tocopy, cur, eaten, orig_len = len;
436
437 if (!len)
438 return 0;
439 if (!baum->brlapi)
440 return len;
441
442 while (len) {
443 /* Complete our buffer as much as possible */
444 tocopy = len;
445 if (tocopy > BUF_SIZE - baum->in_buf_used)
446 tocopy = BUF_SIZE - baum->in_buf_used;
447
448 memcpy(baum->in_buf + baum->in_buf_used, buf, tocopy);
449 baum->in_buf_used += tocopy;
450 buf += tocopy;
451 len -= tocopy;
452
453 /* Interpret it as much as possible */
454 cur = 0;
455 while (cur < baum->in_buf_used &&
456 (eaten = baum_eat_packet(baum, baum->in_buf + cur, baum->in_buf_used - cur)))
457 cur += eaten;
458
459 /* Shift the remainder */
460 if (cur) {
461 memmove(baum->in_buf, baum->in_buf + cur, baum->in_buf_used - cur);
462 baum->in_buf_used -= cur;
463 }
464
465 /* And continue if any data left */
466 }
467 return orig_len;
468}
469
470/* The other end sent us some event */
471static void baum_send_event(CharDriverState *chr, int event)
472{
473 BaumDriverState *baum = chr->opaque;
474 switch (event) {
475 case CHR_EVENT_BREAK:
476 break;
477 case CHR_EVENT_RESET:
478 /* Reset state */
479 baum->in_buf_used = 0;
480 break;
481 }
482}
483
484/* Send the key code to the other end */
485static void baum_send_key(BaumDriverState *baum, uint8_t type, uint8_t value) {
486 uint8_t packet[] = { type, value };
487 DPRINTF("writing key %x %x\n", type, value);
488 baum_write_packet(baum, packet, sizeof(packet));
489}
490
491/* We got some data on the BrlAPI socket */
492static void baum_chr_read(void *opaque)
493{
494 BaumDriverState *baum = opaque;
495 brlapi_keyCode_t code;
496 int ret;
497 if (!baum->brlapi)
498 return;
499 while ((ret = brlapi__readKey(baum->brlapi, 0, &code)) == 1) {
500 DPRINTF("got key %"BRLAPI_PRIxKEYCODE"\n", code);
501 /* Emulate */
502 switch (code & BRLAPI_KEY_TYPE_MASK) {
503 case BRLAPI_KEY_TYPE_CMD:
504 switch (code & BRLAPI_KEY_CMD_BLK_MASK) {
505 case BRLAPI_KEY_CMD_ROUTE:
506 baum_send_key(baum, BAUM_RSP_RoutingKey, (code & BRLAPI_KEY_CMD_ARG_MASK)+1);
507 baum_send_key(baum, BAUM_RSP_RoutingKey, 0);
508 break;
509 case 0:
510 switch (code & BRLAPI_KEY_CMD_ARG_MASK) {
511 case BRLAPI_KEY_CMD_FWINLT:
512 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2);
513 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
514 break;
515 case BRLAPI_KEY_CMD_FWINRT:
516 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR2);
517 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
518 break;
519 case BRLAPI_KEY_CMD_LNUP:
520 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR1);
521 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
522 break;
523 case BRLAPI_KEY_CMD_LNDN:
524 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TR3);
525 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
526 break;
527 case BRLAPI_KEY_CMD_TOP:
528 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TR1);
529 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
530 break;
531 case BRLAPI_KEY_CMD_BOT:
532 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL3|BAUM_TR3);
533 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
534 break;
535 case BRLAPI_KEY_CMD_TOP_LEFT:
536 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1);
537 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
538 break;
539 case BRLAPI_KEY_CMD_BOT_LEFT:
540 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR3);
541 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
542 break;
543 case BRLAPI_KEY_CMD_HOME:
544 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL2|BAUM_TR1|BAUM_TR3);
545 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
546 break;
547 case BRLAPI_KEY_CMD_PREFMENU:
548 baum_send_key(baum, BAUM_RSP_TopKeys, BAUM_TL1|BAUM_TL3|BAUM_TR1);
549 baum_send_key(baum, BAUM_RSP_TopKeys, 0);
550 break;
551 }
552 }
553 break;
554 case BRLAPI_KEY_TYPE_SYM:
555 break;
556 }
557 }
558 if (ret == -1 && (brlapi_errno != BRLAPI_ERROR_LIBCERR || errno != EINTR)) {
559 brlapi_perror("baum: brlapi_readKey");
560 brlapi__closeConnection(baum->brlapi);
561 free(baum->brlapi);
562 baum->brlapi = NULL;
563 }
564}
565
566CharDriverState *chr_baum_init(void)
567{
568 BaumDriverState *baum;
569 CharDriverState *chr;
570 brlapi_handle_t *handle;
571#ifdef CONFIG_SDL
572 SDL_SysWMinfo info;
573#endif
574 int tty;
575
576 baum = qemu_mallocz(sizeof(BaumDriverState));
577 if (!baum)
578 return NULL;
579
580 baum->chr = chr = qemu_mallocz(sizeof(CharDriverState));
581 if (!chr)
582 goto fail_baum;
583
584 chr->opaque = baum;
585 chr->chr_write = baum_write;
586 chr->chr_send_event = baum_send_event;
587 chr->chr_accept_input = baum_accept_input;
588
589 handle = qemu_mallocz(brlapi_getHandleSize());
590 if (!handle)
591 goto fail_chr;
592 baum->brlapi = handle;
593
594 baum->brlapi_fd = brlapi__openConnection(handle, NULL, NULL);
595 if (baum->brlapi_fd == -1) {
596 brlapi_perror("baum_init: brlapi_openConnection");
597 goto fail_handle;
598 }
599
600 baum->cellCount_timer = qemu_new_timer(vm_clock, baum_cellCount_timer_cb, baum);
601
602 if (brlapi__getDisplaySize(handle, &baum->x, &baum->y) == -1) {
603 brlapi_perror("baum_init: brlapi_getDisplaySize");
604 goto fail;
605 }
606
607#ifdef CONFIG_SDL
608 memset(&info, 0, sizeof(info));
609 SDL_VERSION(&info.version);
610 if (SDL_GetWMInfo(&info))
611 tty = info.info.x11.wmwindow;
612 else
613#endif
614 tty = BRLAPI_TTY_DEFAULT;
615
616 if (brlapi__enterTtyMode(handle, tty, NULL) == -1) {
617 brlapi_perror("baum_init: brlapi_enterTtyMode");
618 goto fail;
619 }
620
621 qemu_set_fd_handler(baum->brlapi_fd, baum_chr_read, NULL, baum);
622
623 qemu_chr_reset(chr);
624
625 return chr;
626
627fail:
628 qemu_free_timer(baum->cellCount_timer);
629 brlapi__closeConnection(handle);
630fail_handle:
631 free(handle);
632fail_chr:
633 free(chr);
634fail_baum:
635 free(baum);
636 return NULL;
637}
638
639USBDevice *usb_baum_init(void)
640{
641 /* USB Product ID of Super Vario 40 */
642 return usb_serial_init("productid=FE72:braille");
643}
Qemu copy for testing