diff options
Diffstat (limited to 'firmware/pcm_record.c')
-rw-r--r-- | firmware/pcm_record.c | 650 |
1 files changed, 650 insertions, 0 deletions
diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c new file mode 100644 index 0000000000..d11458427d --- /dev/null +++ b/firmware/pcm_record.c | |||
@@ -0,0 +1,650 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2005 by Linus Nielsen Feltzing | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #include "config.h" | ||
21 | #include "debug.h" | ||
22 | #include "panic.h" | ||
23 | #include "thread.h" | ||
24 | |||
25 | #include <kernel.h> | ||
26 | #include <stdio.h> | ||
27 | #include <string.h> | ||
28 | #include <stdarg.h> | ||
29 | #include <string.h> | ||
30 | |||
31 | #include "cpu.h" | ||
32 | #include "i2c.h" | ||
33 | #include "uda1380.h" | ||
34 | #include "system.h" | ||
35 | #include "usb.h" | ||
36 | |||
37 | #include "buffer.h" | ||
38 | #include "audio.h" | ||
39 | #include "button.h" | ||
40 | #include "file.h" | ||
41 | #include "sprintf.h" | ||
42 | #include "logf.h" | ||
43 | #include "button.h" | ||
44 | #include "lcd.h" | ||
45 | #include "lcd-remote.h" | ||
46 | #include "pcm_playback.h" | ||
47 | #include "pcm_record.h" | ||
48 | |||
49 | |||
50 | /***************************************************************************/ | ||
51 | |||
52 | static volatile bool is_recording; /* We are recording */ | ||
53 | static volatile bool is_stopping; /* Are we going to stop */ | ||
54 | static volatile bool is_paused; /* We have paused */ | ||
55 | |||
56 | static volatile int num_rec_bytes; | ||
57 | static volatile int int_count; /* Number of DMA completed interrupts */ | ||
58 | static volatile int error_count; /* Number of DMA errors */ | ||
59 | |||
60 | static unsigned long record_start_time; /* Value of current_tick when recording was started */ | ||
61 | static unsigned long pause_start_time; /* Value of current_tick when pause was started */ | ||
62 | |||
63 | static int rec_gain, rec_volume; | ||
64 | static bool show_waveform; | ||
65 | static int init_done = 0; | ||
66 | static int wav_file; | ||
67 | static char recording_filename[MAX_PATH]; | ||
68 | |||
69 | /***************************************************************************/ | ||
70 | |||
71 | /* | ||
72 | Some estimates: | ||
73 | 44100 HZ * 4 = 176400 bytes/s | ||
74 | Refresh LCD 10 HZ = 176400 / 10 = 17640 bytes ~=~ 1024*16 bytes | ||
75 | |||
76 | If NUM_BUFFERS is 80 we can hold ~8 sec of data in memory | ||
77 | ALL_BUFFER_SIZE will be 1024*16 * 80 = 1310720 bytes | ||
78 | */ | ||
79 | |||
80 | #define NUM_BUFFERS 80 | ||
81 | #define EACH_BUFFER_SIZE (1024*16) /* Multiple of 4. Use small value to get responsive waveform */ | ||
82 | #define ALL_BUFFERS_SIZE (NUM_BUFFERS * EACH_BUFFER_SIZE) | ||
83 | |||
84 | #define WRITE_THRESHOLD 40 /* Minimum number of buffers before write to file */ | ||
85 | |||
86 | static unsigned char *rec_buffers[NUM_BUFFERS]; | ||
87 | |||
88 | /* | ||
89 | Overrun occures when DMA needs to write a new buffer and write_index == read_index | ||
90 | Solution to this is to optimize pcmrec_callback, use cpu_boost somewhere or increase | ||
91 | the total buffer size (or WRITE_THRESHOLD) | ||
92 | */ | ||
93 | |||
94 | static int write_index; /* Which buffer the DMA is currently recording */ | ||
95 | static int read_index; /* The oldest buffer that the pcmrec_callback has not read */ | ||
96 | |||
97 | /***************************************************************************/ | ||
98 | |||
99 | static struct event_queue pcmrec_queue; | ||
100 | static long pcmrec_stack[(DEFAULT_STACK_SIZE + 0x1000)/sizeof(long)]; | ||
101 | static const char pcmrec_thread_name[] = "pcmrec"; | ||
102 | |||
103 | static void pcmrec_thread(void); | ||
104 | |||
105 | /* Event IDs */ | ||
106 | #define PCMREC_OPEN 1 /* Enable recording */ | ||
107 | #define PCMREC_CLOSE 2 /* Disable recording */ | ||
108 | #define PCMREC_START 3 /* Start a new recording */ | ||
109 | #define PCMREC_STOP 4 /* Stop the current recording */ | ||
110 | #define PCMREC_PAUSE 10 | ||
111 | #define PCMREC_RESUME 11 | ||
112 | #define PCMREC_NEW_FILE 12 | ||
113 | #define PCMREC_SET_GAIN 13 | ||
114 | #define PCMREC_GOT_DATA 20 /* DMA1 notifies when data has arrived */ | ||
115 | |||
116 | |||
117 | /*******************************************************************/ | ||
118 | /* Functions that are not executing in the pcmrec_thread first */ | ||
119 | /*******************************************************************/ | ||
120 | |||
121 | void pcm_init_recording(void) | ||
122 | { | ||
123 | int_count = 0; | ||
124 | error_count = 0; | ||
125 | |||
126 | show_waveform = 0; | ||
127 | is_recording = 0; | ||
128 | is_stopping = 0; | ||
129 | num_rec_bytes = 0; | ||
130 | wav_file = -1; | ||
131 | read_index = 0; | ||
132 | write_index = 0; | ||
133 | |||
134 | queue_init(&pcmrec_queue); | ||
135 | create_thread(pcmrec_thread, pcmrec_stack, sizeof(pcmrec_stack), pcmrec_thread_name); | ||
136 | } | ||
137 | |||
138 | void pcm_open_recording(void) | ||
139 | { | ||
140 | init_done = 0; | ||
141 | |||
142 | logf("pcm_open_rec"); | ||
143 | |||
144 | queue_post(&pcmrec_queue, PCMREC_OPEN, 0); | ||
145 | |||
146 | while (init_done) | ||
147 | { | ||
148 | sleep(HZ >> 8); | ||
149 | } | ||
150 | |||
151 | logf("pcm_open_rec done"); | ||
152 | } | ||
153 | |||
154 | void pcm_close_recording(void) | ||
155 | { | ||
156 | /* todo: synchronize completion with pcmrec thread */ | ||
157 | queue_post(&pcmrec_queue, PCMREC_CLOSE, 0); | ||
158 | } | ||
159 | |||
160 | |||
161 | |||
162 | unsigned long pcm_status(void) | ||
163 | { | ||
164 | unsigned long ret = 0; | ||
165 | |||
166 | if (is_recording) | ||
167 | ret |= AUDIO_STATUS_RECORD; | ||
168 | |||
169 | return ret; | ||
170 | } | ||
171 | |||
172 | |||
173 | |||
174 | void pcm_new_file(const char *filename) | ||
175 | { | ||
176 | /* todo */ | ||
177 | filename = filename; | ||
178 | |||
179 | } | ||
180 | |||
181 | unsigned long pcm_recorded_time(void) | ||
182 | { | ||
183 | if (is_recording) | ||
184 | { | ||
185 | if(is_paused) | ||
186 | return pause_start_time - record_start_time; | ||
187 | else | ||
188 | return current_tick - record_start_time; | ||
189 | } | ||
190 | |||
191 | return 0; | ||
192 | } | ||
193 | |||
194 | unsigned long pcm_num_recorded_bytes(void) | ||
195 | { | ||
196 | |||
197 | if (is_recording) | ||
198 | { | ||
199 | return num_rec_bytes; | ||
200 | } | ||
201 | else | ||
202 | return 0; | ||
203 | } | ||
204 | |||
205 | void pcm_pause_recording(void) | ||
206 | { | ||
207 | /* todo */ | ||
208 | } | ||
209 | |||
210 | void pcm_resume_recording(void) | ||
211 | { | ||
212 | /* todo */ | ||
213 | } | ||
214 | |||
215 | |||
216 | /** | ||
217 | * Sets the audio source | ||
218 | * | ||
219 | * Side effect: This functions starts feeding the CPU with audio data over the I2S bus | ||
220 | * | ||
221 | * @param source 0=line-in, 1=mic | ||
222 | */ | ||
223 | void pcm_set_recording_options(int source, bool enable_waveform) | ||
224 | { | ||
225 | uda1380_enable_recording(source); | ||
226 | |||
227 | show_waveform = enable_waveform; | ||
228 | |||
229 | } | ||
230 | |||
231 | |||
232 | /** | ||
233 | * | ||
234 | * @param gain line-in and microphone gain (0-15) | ||
235 | * @param volume ADC volume (0-255) | ||
236 | */ | ||
237 | void pcm_set_recording_gain(int gain, int volume) | ||
238 | { | ||
239 | rec_gain = gain; | ||
240 | rec_volume = volume; | ||
241 | |||
242 | queue_post(&pcmrec_queue, PCMREC_SET_GAIN, 0); | ||
243 | |||
244 | } | ||
245 | |||
246 | /** | ||
247 | * Start recording | ||
248 | * | ||
249 | * Use pcm_set_recording_options before calling record | ||
250 | */ | ||
251 | void pcm_record(const char *filename) | ||
252 | { | ||
253 | strncpy(recording_filename, filename, MAX_PATH - 1); | ||
254 | recording_filename[MAX_PATH - 1] = 0; | ||
255 | |||
256 | queue_post(&pcmrec_queue, PCMREC_START, 0); | ||
257 | } | ||
258 | |||
259 | /** | ||
260 | * | ||
261 | */ | ||
262 | void pcm_stop_recording(void) | ||
263 | { | ||
264 | if (is_recording) | ||
265 | is_stopping = 1; | ||
266 | |||
267 | queue_post(&pcmrec_queue, PCMREC_STOP, 0); | ||
268 | |||
269 | logf("pcm_stop_recording"); | ||
270 | |||
271 | while (is_stopping) | ||
272 | { | ||
273 | sleep(HZ >> 4); | ||
274 | } | ||
275 | |||
276 | logf("pcm_stop_recording done"); | ||
277 | |||
278 | |||
279 | } | ||
280 | |||
281 | |||
282 | /***************************************************************************/ | ||
283 | /* Functions that executes in the context of pcmrec_thread */ | ||
284 | /***************************************************************************/ | ||
285 | |||
286 | |||
287 | /** | ||
288 | * Process the buffers using read_index and write_index. | ||
289 | * | ||
290 | * DMA1 handler posts to pcmrec_queue so that pcmrec_thread calls this | ||
291 | * function. Also pcmrec_stop will call this function when the recording | ||
292 | * is stopping, and that call will have flush = true. | ||
293 | * | ||
294 | */ | ||
295 | |||
296 | void pcmrec_callback(bool flush) __attribute__ ((section (".icode"))); | ||
297 | void pcmrec_callback(bool flush) | ||
298 | { | ||
299 | int num_ready; | ||
300 | |||
301 | num_ready = write_index - read_index; | ||
302 | if (num_ready < 0) | ||
303 | num_ready += NUM_BUFFERS; | ||
304 | |||
305 | /* we can consume up to num_ready buffers */ | ||
306 | |||
307 | #ifdef HAVE_REMOTE_LCD | ||
308 | /* Draw waveform on remote LCD */ | ||
309 | if (show_waveform && num_ready>0) | ||
310 | { | ||
311 | short *buf; | ||
312 | long x,y,offset; | ||
313 | int show_index; | ||
314 | |||
315 | /* Just display the last buffer (most recent one) */ | ||
316 | show_index = read_index + num_ready - 1; | ||
317 | buf = (short*)rec_buffers[show_index]; | ||
318 | |||
319 | lcd_remote_clear_display(); | ||
320 | |||
321 | offset = 0; | ||
322 | for (x=0; x<LCD_REMOTE_WIDTH-1; x++) | ||
323 | { | ||
324 | y = buf[offset] * (LCD_REMOTE_HEIGHT / 2) *5; /* The 5 is just 'zooming' */ | ||
325 | y = y >> 15; /* Divide with SHRT_MAX */ | ||
326 | y += LCD_REMOTE_HEIGHT/2; | ||
327 | |||
328 | if (y < 2) y=2; | ||
329 | if (y >= LCD_REMOTE_HEIGHT-2) y = LCD_REMOTE_HEIGHT-2; | ||
330 | |||
331 | REMOTE_DRAW_PIXEL(x,y); | ||
332 | |||
333 | offset += (EACH_BUFFER_SIZE/2) / LCD_REMOTE_WIDTH; | ||
334 | } | ||
335 | |||
336 | lcd_remote_update(); | ||
337 | } | ||
338 | |||
339 | #endif | ||
340 | |||
341 | /* Note: This might be a good place to call the 'codec' later */ | ||
342 | |||
343 | /* Check that we have the minimum amount of data to save or */ | ||
344 | /* that if it's closing time which mean we have to save.. */ | ||
345 | if (wav_file != -1) | ||
346 | { | ||
347 | if (num_ready >= WRITE_THRESHOLD || flush) | ||
348 | { | ||
349 | unsigned long *ptr = (unsigned long*)rec_buffers[read_index]; | ||
350 | int i; | ||
351 | |||
352 | for (i=0; i<EACH_BUFFER_SIZE * num_ready / 4; i++) | ||
353 | { | ||
354 | *ptr = SWAB32(*ptr); | ||
355 | ptr++; | ||
356 | } | ||
357 | |||
358 | write(wav_file, rec_buffers[read_index], EACH_BUFFER_SIZE * num_ready); | ||
359 | |||
360 | read_index+=num_ready; | ||
361 | if (read_index >= NUM_BUFFERS) | ||
362 | read_index -= NUM_BUFFERS; | ||
363 | } | ||
364 | |||
365 | } else | ||
366 | { | ||
367 | /* In this case we must consume the buffers otherwise we will */ | ||
368 | /* get 'dma1 overrun' pretty fast */ | ||
369 | |||
370 | read_index+=num_ready; | ||
371 | if (read_index >= NUM_BUFFERS) | ||
372 | read_index -= NUM_BUFFERS; | ||
373 | } | ||
374 | } | ||
375 | |||
376 | |||
377 | |||
378 | |||
379 | void pcmrec_dma_start(void) | ||
380 | { | ||
381 | DAR1 = (unsigned long)rec_buffers[write_index++]; /* Destination address */ | ||
382 | SAR1 = (unsigned long)&PDIR2; /* Source address */ | ||
383 | BCR1 = EACH_BUFFER_SIZE; /* Bytes to transfer */ | ||
384 | |||
385 | /* Start the DMA transfer.. */ | ||
386 | DCR1 = DMA_INT | DMA_EEXT | DMA_CS | DMA_DINC | DMA_START; | ||
387 | |||
388 | logf("dma1 started"); | ||
389 | } | ||
390 | |||
391 | |||
392 | /* DMA1 Interrupt is called when the DMA has finished transfering a chunk */ | ||
393 | void DMA1(void) __attribute__ ((interrupt_handler, section(".icode"))); | ||
394 | void DMA1(void) | ||
395 | { | ||
396 | int res = DSR1; | ||
397 | |||
398 | DSR1 = 1; /* Clear interrupt */ | ||
399 | |||
400 | int_count++; | ||
401 | |||
402 | if (res & 0x70) | ||
403 | { | ||
404 | DCR1 = 0; /* Stop DMA transfer */ | ||
405 | error_count++; | ||
406 | is_recording = 0; | ||
407 | |||
408 | logf("dma1 err 0x%x", res); | ||
409 | |||
410 | } else | ||
411 | { | ||
412 | num_rec_bytes += EACH_BUFFER_SIZE; | ||
413 | |||
414 | write_index++; | ||
415 | if (write_index >= NUM_BUFFERS) | ||
416 | write_index = 0; | ||
417 | |||
418 | if (is_stopping || !is_recording) | ||
419 | { | ||
420 | DCR1 = 0; /* Stop DMA transfer */ | ||
421 | is_recording = 0; | ||
422 | |||
423 | logf("dma1 stopping"); | ||
424 | |||
425 | } else if (write_index == read_index) | ||
426 | { | ||
427 | DCR1 = 0; /* Stop DMA transfer */ | ||
428 | is_recording = 0; | ||
429 | |||
430 | logf("dma1 overrun"); | ||
431 | |||
432 | } else | ||
433 | { | ||
434 | DAR1 = (unsigned long)rec_buffers[write_index]; /* Destination address */ | ||
435 | BCR1 = EACH_BUFFER_SIZE; | ||
436 | |||
437 | queue_post(&pcmrec_queue, PCMREC_GOT_DATA, NULL); | ||
438 | |||
439 | } | ||
440 | } | ||
441 | |||
442 | IPR |= (1<<15); /* Clear pending interrupt request */ | ||
443 | } | ||
444 | |||
445 | static int start_wave(void) | ||
446 | { | ||
447 | unsigned char header[44] = | ||
448 | { | ||
449 | 'R','I','F','F',0,0,0,0,'W','A','V','E','f','m','t',' ', | ||
450 | 0x10,0,0,0,1,0,2,0,0x44,0xac,0,0,0x10,0xb1,2,0, | ||
451 | 4,0,0x10,0,'d','a','t','a',0,0,0,0 | ||
452 | }; | ||
453 | |||
454 | wav_file = open(recording_filename, O_RDWR|O_CREAT|O_TRUNC); | ||
455 | if (wav_file < 0) | ||
456 | { | ||
457 | wav_file = -1; | ||
458 | logf("create failed: %d", wav_file); | ||
459 | return -1; | ||
460 | } | ||
461 | |||
462 | if (sizeof(header) != write(wav_file, header, sizeof(header))) | ||
463 | { | ||
464 | close(wav_file); | ||
465 | wav_file = -1; | ||
466 | logf("write failed"); | ||
467 | return -2; | ||
468 | } | ||
469 | |||
470 | return 0; | ||
471 | } | ||
472 | |||
473 | /* Update header and set correct length values */ | ||
474 | static void close_wave(void) | ||
475 | { | ||
476 | long l; | ||
477 | |||
478 | l = SWAB32(num_rec_bytes + 36); | ||
479 | lseek(wav_file, 4, SEEK_SET); | ||
480 | write(wav_file, &l, 4); | ||
481 | |||
482 | l = SWAB32(num_rec_bytes); | ||
483 | lseek(wav_file, 40, SEEK_SET); | ||
484 | write(wav_file, &l, 4); | ||
485 | |||
486 | close(wav_file); | ||
487 | wav_file = -1; | ||
488 | } | ||
489 | |||
490 | static void pcmrec_start(void) | ||
491 | { | ||
492 | logf("pcmrec_start"); | ||
493 | |||
494 | if (is_recording) | ||
495 | return; | ||
496 | |||
497 | if (wav_file != -1) | ||
498 | close(wav_file); | ||
499 | |||
500 | logf("rec: %s", recording_filename); | ||
501 | |||
502 | start_wave(); /* todo: send signal to pcm_record if we have failed */ | ||
503 | |||
504 | num_rec_bytes = 0; | ||
505 | |||
506 | /* Store the current time */ | ||
507 | record_start_time = current_tick; | ||
508 | |||
509 | write_index = 0; | ||
510 | read_index = 0; | ||
511 | |||
512 | is_stopping = 0; | ||
513 | is_paused = 0; | ||
514 | is_recording = 1; | ||
515 | |||
516 | pcmrec_dma_start(); | ||
517 | |||
518 | } | ||
519 | |||
520 | static void pcmrec_stop(void) | ||
521 | { | ||
522 | /* wait for recording to finish */ | ||
523 | |||
524 | /* todo: Abort current DMA transfer using DCR1.. */ | ||
525 | |||
526 | logf("pcmrec_stop"); | ||
527 | |||
528 | while (is_recording) | ||
529 | { | ||
530 | sleep(HZ >> 4); | ||
531 | } | ||
532 | |||
533 | logf("pcmrec_stop done"); | ||
534 | |||
535 | /* Write unfinished buffers to file */ | ||
536 | pcmrec_callback(true); | ||
537 | |||
538 | close_wave(); | ||
539 | |||
540 | is_stopping = 0; | ||
541 | } | ||
542 | |||
543 | static void pcmrec_open(void) | ||
544 | { | ||
545 | unsigned long buffer_start; | ||
546 | int i; | ||
547 | |||
548 | show_waveform = 0; | ||
549 | is_recording = 0; | ||
550 | is_stopping = 0; | ||
551 | num_rec_bytes = 0; | ||
552 | wav_file = -1; | ||
553 | read_index = 0; | ||
554 | write_index = 0; | ||
555 | |||
556 | buffer_start = (unsigned long)(&audiobuf[(audiobufend - audiobuf) - (ALL_BUFFERS_SIZE + 16)]); | ||
557 | buffer_start &= ~3; | ||
558 | |||
559 | for (i=0; i<NUM_BUFFERS; i++) | ||
560 | { | ||
561 | rec_buffers[i] = (unsigned char*)(buffer_start + EACH_BUFFER_SIZE * i); | ||
562 | } | ||
563 | |||
564 | IIS1CONFIG = 0x800; /* Stop any playback */ | ||
565 | AUDIOGLOB |= 0x180; /* IIS1 fifo auto sync = on, PDIR2 auto sync = on */ | ||
566 | DATAINCONTROL = 0xc000; /* Generate Interrupt when 6 samples in fifo */ | ||
567 | DATAINCONTROL |= 0x20; /* PDIR2 source = IIS1recv */ | ||
568 | |||
569 | DIVR1 = 55; /* DMA1 is mapped into vector 55 in system.c */ | ||
570 | DMACONFIG = 1; /* DMA0Req = PDOR3, DMA1Req = PDIR2 */ | ||
571 | DMAROUTE = (DMAROUTE & 0xffff00ff) | DMA1_REQ_AUDIO_2; | ||
572 | ICR4 = (ICR4 & 0xffffff00) | 0x0000001c; /* Enable interrupt at level 7, priority 0 */ | ||
573 | IMR &= ~(1<<15); /* bit 15 is DMA1 */ | ||
574 | |||
575 | init_done = 1; | ||
576 | } | ||
577 | |||
578 | static void pcmrec_close(void) | ||
579 | { | ||
580 | uda1380_disable_recording(); | ||
581 | |||
582 | DMAROUTE = (DMAROUTE & 0xffff00ff); | ||
583 | ICR4 = (ICR4 & 0xffffff00); /* Disable interrupt */ | ||
584 | IMR |= (1<<15); /* bit 15 is DMA1 */ | ||
585 | |||
586 | } | ||
587 | |||
588 | static void pcmrec_thread(void) | ||
589 | { | ||
590 | struct event ev; | ||
591 | |||
592 | logf("thread pcmrec start"); | ||
593 | |||
594 | while (1) | ||
595 | { | ||
596 | queue_wait(&pcmrec_queue, &ev); | ||
597 | |||
598 | switch (ev.id) | ||
599 | { | ||
600 | case PCMREC_OPEN: | ||
601 | pcmrec_open(); | ||
602 | break; | ||
603 | |||
604 | case PCMREC_CLOSE: | ||
605 | pcmrec_close(); | ||
606 | break; | ||
607 | |||
608 | case PCMREC_START: | ||
609 | pcmrec_start(); | ||
610 | break; | ||
611 | |||
612 | case PCMREC_STOP: | ||
613 | pcmrec_stop(); | ||
614 | break; | ||
615 | |||
616 | case PCMREC_PAUSE: | ||
617 | /* todo */ | ||
618 | break; | ||
619 | |||
620 | case PCMREC_RESUME: | ||
621 | /* todo */ | ||
622 | break; | ||
623 | |||
624 | case PCMREC_NEW_FILE: | ||
625 | /* todo */ | ||
626 | break; | ||
627 | |||
628 | case PCMREC_SET_GAIN: | ||
629 | uda1380_set_recvol(rec_gain, rec_gain, rec_volume); | ||
630 | break; | ||
631 | |||
632 | case PCMREC_GOT_DATA: | ||
633 | pcmrec_callback(false); | ||
634 | break; | ||
635 | |||
636 | case SYS_USB_CONNECTED: | ||
637 | if (!is_recording && !is_stopping) | ||
638 | { | ||
639 | usb_acknowledge(SYS_USB_CONNECTED_ACK); | ||
640 | usb_wait_for_disconnect(&pcmrec_queue); | ||
641 | } | ||
642 | |||
643 | break; | ||
644 | } | ||
645 | } | ||
646 | |||
647 | logf("thread pcmrec done"); | ||
648 | } | ||
649 | |||
650 | |||