2 * QEMU Baum Braille Device
4 * Copyright (c) 2008 Samuel Thibault
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
24 #include "qemu-common.h"
25 #include "qemu-char.h"
26 #include "qemu-timer.h"
30 #include <brlapi_constants.h>
31 #include <brlapi_keycodes.h>
33 #include <SDL_syswm.h>
37 #define DPRINTF(fmt, ...) \
38 printf(fmt, ## __VA_ARGS__)
40 #define DPRINTF(fmt, ...)
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
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
91 brlapi_handle_t
*brlapi
;
95 uint8_t in_buf
[BUF_SIZE
];
97 uint8_t out_buf
[BUF_SIZE
];
98 uint8_t out_buf_used
, out_buf_ptr
;
100 QEMUTimer
*cellCount_timer
;
103 /* Let's assume NABCC by default */
104 static const uint8_t nabcc_translation
[256] = {
107 #define BRLAPI_DOTS(d1,d2,d3,d4,d5,d6,d7,d8) \
108 ((d1?BRLAPI_DOT1:0)|\
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',
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',
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',
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)] = ')',
190 [BRLAPI_DOTS(1,1,1,1,0,1,0,0)] = '&',
191 [BRLAPI_DOTS(0,0,1,1,1,1,0,0)] = '#',
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)] = '_',
218 /* The serial port can receive more of our data */
219 static void baum_accept_input(struct CharDriverState
*chr
)
221 BaumDriverState
*baum
= chr
->opaque
;
224 if (!baum
->out_buf_used
)
226 room
= qemu_chr_can_read(chr
);
229 if (room
> baum
->out_buf_used
)
230 room
= baum
->out_buf_used
;
232 first
= BUF_SIZE
- baum
->out_buf_ptr
;
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
;
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
;
244 /* We want to send a packet */
245 static void baum_write_packet(BaumDriverState
*baum
, const uint8_t *buf
, int len
)
247 uint8_t io_buf
[1 + 2 * len
], *cur
= io_buf
;
251 if ((*cur
++ = *buf
++) == ESC
)
253 room
= qemu_chr_can_read(baum
->chr
);
257 qemu_chr_read(baum
->chr
, io_buf
, len
);
261 /* Can't fit all, send what can be, and store the rest. */
262 qemu_chr_read(baum
->chr
, 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;
271 out
= baum
->out_buf_ptr
;
272 baum
->out_buf_used
+= len
;
273 first
= BUF_SIZE
- baum
->out_buf_ptr
;
275 memcpy(baum
->out_buf
+ out
, cur
, first
);
280 memcpy(baum
->out_buf
+ out
, cur
, len
);
284 /* Called when the other end seems to have a wrong idea of our display size */
285 static void baum_cellCount_timer_cb(void *opaque
)
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
));
293 /* Try to interpret a whole incoming packet */
294 static int baum_eat_packet(BaumDriverState
*baum
, const uint8_t *buf
, int len
)
296 const uint8_t *cur
= buf
;
302 while (*cur
!= ESC
) {
307 DPRINTF("Dropped %d bytes!\n", cur
- buf
);
313 if ((c = *cur++) == ESC) { \
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); \
322 return (cur - 2 - buf); \
329 case BAUM_REQ_DisplayData
:
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
;
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
++) {
342 if ((c
& (BRLAPI_DOT7
|BRLAPI_DOT8
))
343 == (BRLAPI_DOT7
|BRLAPI_DOT8
)) {
345 c
&= ~(BRLAPI_DOT7
|BRLAPI_DOT8
);
347 if (!(c
= nabcc_translation
[c
]))
351 qemu_del_timer(baum
->cellCount_timer
);
353 memset(zero
, 0, sizeof(zero
));
355 brlapi_writeArguments_t wa
= {
356 .displayNumber
= BRLAPI_DISPLAY_DEFAULT
,
358 .regionSize
= baum
->x
* baum
->y
,
359 .text
= (char *)text
,
360 .textSize
= baum
->x
* baum
->y
,
364 .charset
= (char *)"ISO-8859-1",
367 if (brlapi__write(baum
->brlapi
, &wa
) == -1)
368 brlapi_perror("baum brlapi_write");
371 case BAUM_REQ_SetMode
:
373 uint8_t mode
, setting
;
374 DPRINTF("SetMode\n");
380 case BAUM_REQ_SetProtocol
:
383 DPRINTF("SetProtocol\n");
388 case BAUM_REQ_GetDeviceIdentity
:
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
));
398 case BAUM_REQ_GetVersionNumber
:
400 uint8_t version
[] = { BAUM_RSP_VersionNumber
, 1 }; /* ? */
401 DPRINTF("GetVersionNumber\n");
402 baum_write_packet(baum
, version
, sizeof(version
));
405 case BAUM_REQ_GetSerialNumber
:
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
));
413 case BAUM_REQ_GetKeys
:
415 DPRINTF("Get%0#2x\n", req
);
420 DPRINTF("unrecognized request %0#2x\n", req
);
424 while (*cur
++ != ESC
);
431 /* The other end is writing some data. Store it and try to interpret */
432 static int baum_write(CharDriverState
*chr
, const uint8_t *buf
, int len
)
434 BaumDriverState
*baum
= chr
->opaque
;
435 int tocopy
, cur
, eaten
, orig_len
= len
;
443 /* Complete our buffer as much as possible */
445 if (tocopy
> BUF_SIZE
- baum
->in_buf_used
)
446 tocopy
= BUF_SIZE
- baum
->in_buf_used
;
448 memcpy(baum
->in_buf
+ baum
->in_buf_used
, buf
, tocopy
);
449 baum
->in_buf_used
+= tocopy
;
453 /* Interpret it as much as possible */
455 while (cur
< baum
->in_buf_used
&&
456 (eaten
= baum_eat_packet(baum
, baum
->in_buf
+ cur
, baum
->in_buf_used
- cur
)))
459 /* Shift the remainder */
461 memmove(baum
->in_buf
, baum
->in_buf
+ cur
, baum
->in_buf_used
- cur
);
462 baum
->in_buf_used
-= cur
;
465 /* And continue if any data left */
470 /* The other end sent us some event */
471 static void baum_send_event(CharDriverState
*chr
, int event
)
473 BaumDriverState
*baum
= chr
->opaque
;
475 case CHR_EVENT_BREAK
:
477 case CHR_EVENT_RESET
:
479 baum
->in_buf_used
= 0;
484 /* Send the key code to the other end */
485 static 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
));
491 /* We got some data on the BrlAPI socket */
492 static void baum_chr_read(void *opaque
)
494 BaumDriverState
*baum
= opaque
;
495 brlapi_keyCode_t code
;
499 while ((ret
= brlapi__readKey(baum
->brlapi
, 0, &code
)) == 1) {
500 DPRINTF("got key %"BRLAPI_PRIxKEYCODE
"\n", code
);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
554 case BRLAPI_KEY_TYPE_SYM
:
558 if (ret
== -1 && (brlapi_errno
!= BRLAPI_ERROR_LIBCERR
|| errno
!= EINTR
)) {
559 brlapi_perror("baum: brlapi_readKey");
560 brlapi__closeConnection(baum
->brlapi
);
566 CharDriverState
*chr_baum_init(QemuOpts
*opts
)
568 BaumDriverState
*baum
;
569 CharDriverState
*chr
;
570 brlapi_handle_t
*handle
;
576 baum
= qemu_mallocz(sizeof(BaumDriverState
));
577 baum
->chr
= chr
= qemu_mallocz(sizeof(CharDriverState
));
580 chr
->chr_write
= baum_write
;
581 chr
->chr_send_event
= baum_send_event
;
582 chr
->chr_accept_input
= baum_accept_input
;
584 handle
= qemu_mallocz(brlapi_getHandleSize());
585 baum
->brlapi
= handle
;
587 baum
->brlapi_fd
= brlapi__openConnection(handle
, NULL
, NULL
);
588 if (baum
->brlapi_fd
== -1) {
589 brlapi_perror("baum_init: brlapi_openConnection");
593 baum
->cellCount_timer
= qemu_new_timer(vm_clock
, baum_cellCount_timer_cb
, baum
);
595 if (brlapi__getDisplaySize(handle
, &baum
->x
, &baum
->y
) == -1) {
596 brlapi_perror("baum_init: brlapi_getDisplaySize");
601 memset(&info
, 0, sizeof(info
));
602 SDL_VERSION(&info
.version
);
603 if (SDL_GetWMInfo(&info
))
604 tty
= info
.info
.x11
.wmwindow
;
607 tty
= BRLAPI_TTY_DEFAULT
;
609 if (brlapi__enterTtyMode(handle
, tty
, NULL
) == -1) {
610 brlapi_perror("baum_init: brlapi_enterTtyMode");
614 qemu_set_fd_handler(baum
->brlapi_fd
, baum_chr_read
, NULL
, baum
);
621 qemu_free_timer(baum
->cellCount_timer
);
622 brlapi__closeConnection(handle
);
630 USBDevice
*usb_baum_init(void)
632 /* USB Product ID of Super Vario 40 */
633 return usb_serial_init("productid=FE72:braille");