1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
61
64
65
66
67
68
69
75
76
77
82
93
94
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
133
134
135
136
137
138
143
144
145
146
147
148
149
150
151
152
153
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
222
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
256
257
258
259
260
261
262
263
264
268
269
270
271
272
273
274
275
276
277
278
282
283
284
285
286
291
292
293
294
295
296
297
298
299
300
301
306
313
314
319
326
329
330
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
385
398
399
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
445
446
447
448
449
450
453
454
455
456
457
458
470
475
480
485
490
495
496
497
/* ... */
#include "waveplayer.h"
Includes
#define TOUCH_NEXT_XMIN 500
#define TOUCH_NEXT_XMAX 560
#define TOUCH_NEXT_YMIN 260
#define TOUCH_NEXT_YMAX 320
#define TOUCH_PREVIOUS_XMIN 380
#define TOUCH_PREVIOUS_XMAX 440
#define TOUCH_PREVIOUS_YMIN 260
#define TOUCH_PREVIOUS_YMAX 320
#define TOUCH_STOP_XMIN 260
#define TOUCH_STOP_XMAX 320
#define TOUCH_STOP_YMIN 260
#define TOUCH_STOP_YMAX 320
#define TOUCH_PAUSE_XMIN 140
#define TOUCH_PAUSE_XMAX 200
#define TOUCH_PAUSE_YMIN 260
#define TOUCH_PAUSE_YMAX 320
#define TOUCH_VOL_MINUS_XMIN 20
#define TOUCH_VOL_MINUS_XMAX 80
#define TOUCH_VOL_MINUS_YMIN 260
#define TOUCH_VOL_MINUS_YMAX 320
#define TOUCH_VOL_PLUS_XMIN 620
#define TOUCH_VOL_PLUS_XMAX 680
#define TOUCH_VOL_PLUS_YMIN 260
#define TOUCH_VOL_PLUS_YMAX 320
24 defines
Private define
static AUDIO_OUT_BufferTypeDef BufferCtl;
static int16_t FilePos = 0;
static __IO uint32_t uwVolume = 70;
static Point NextPoints[] = {{TOUCH_NEXT_XMIN, TOUCH_NEXT_YMIN},
{TOUCH_NEXT_XMAX, (TOUCH_NEXT_YMIN+TOUCH_NEXT_YMAX)/2},
{TOUCH_NEXT_XMIN, TOUCH_NEXT_YMAX}...};
static Point PreviousPoints[] = {{TOUCH_PREVIOUS_XMIN, (TOUCH_PREVIOUS_YMIN+TOUCH_PREVIOUS_YMAX)/2},
{TOUCH_PREVIOUS_XMAX, TOUCH_PREVIOUS_YMIN},
{TOUCH_PREVIOUS_XMAX, TOUCH_PREVIOUS_YMAX}...};
WAVE_FormatTypeDef WaveFormat;
FIL WavFile;
extern FILELIST_FileTypeDef FileList;
Private variables
static AUDIO_ErrorTypeDef GetFileInfo(uint16_t file_idx, WAVE_FormatTypeDef *info);
static uint8_t PlayerInit(uint32_t AudioFreq);
static void AUDIO_PlaybackDisplayButtons(void);
static void AUDIO_AcquireTouchButtons(void);
Private function prototypes
/* ... */
AUDIO_ErrorTypeDef AUDIO_PLAYER_Init(void)
{
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_AUTO, uwVolume, I2S_AUDIOFREQ_48K) == 0)
{
return AUDIO_ERROR_NONE;
}if (BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_AUTO, uwVolume, I2S_AUDIOFREQ_48K) == 0) { ... }
else
{
return AUDIO_ERROR_IO;
}else { ... }
}{ ... }
/* ... */
AUDIO_ErrorTypeDef AUDIO_PLAYER_Start(uint8_t idx)
{
uint32_t bytesread;
f_close(&WavFile);
if(AUDIO_GetWavObjectNumber() > idx)
{
GetFileInfo(idx, &WaveFormat);
PlayerInit(WaveFormat.SampleRate);
BufferCtl.state = BUFFER_OFFSET_NONE;
f_lseek(&WavFile, 0);
if(f_read(&WavFile,
&BufferCtl.buff[0],
AUDIO_OUT_BUFFER_SIZE,
(void *)&bytesread) == FR_OK)
{
AudioState = AUDIO_STATE_PLAY;
AUDIO_PlaybackDisplayButtons();
BSP_LCD_DisplayStringAt(250, LINE(9), (uint8_t *)" [PLAY ]", LEFT_MODE);
{
if(bytesread != 0)
{
BSP_AUDIO_OUT_Play((uint16_t*)&BufferCtl.buff[0], AUDIO_OUT_BUFFER_SIZE);
BufferCtl.fptr = bytesread;
return AUDIO_ERROR_NONE;
}if (bytesread != 0) { ... }
...}
}if (f_read(&WavFile, &BufferCtl.buff[0], AUDIO_OUT_BUFFER_SIZE, (void *)&bytesread) == FR_OK) { ... }
}if (AUDIO_GetWavObjectNumber() > idx) { ... }
return AUDIO_ERROR_IO;
}{ ... }
/* ... */
AUDIO_ErrorTypeDef AUDIO_PLAYER_Process(void)
{
uint32_t bytesread, elapsed_time;
AUDIO_ErrorTypeDef audio_error = AUDIO_ERROR_NONE;
static uint32_t prev_elapsed_time = 0xFFFFFFFF;
uint8_t str[16];
switch(AudioState)
{
case AUDIO_STATE_PLAY:
if(BufferCtl.fptr >= WaveFormat.FileSize)
{
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AudioState = AUDIO_STATE_NEXT;
}if (BufferCtl.fptr >= WaveFormat.FileSize) { ... }
if(BufferCtl.state == BUFFER_OFFSET_HALF)
{
if(f_read(&WavFile,
&BufferCtl.buff[0],
AUDIO_OUT_BUFFER_SIZE/2,
(void *)&bytesread) != FR_OK)
{
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
return AUDIO_ERROR_IO;
}if (f_read(&WavFile, &BufferCtl.buff[0], AUDIO_OUT_BUFFER_SIZE/2, (void *)&bytesread) != FR_OK) { ... }
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}if (BufferCtl.state == BUFFER_OFFSET_HALF) { ... }
if(BufferCtl.state == BUFFER_OFFSET_FULL)
{
if(f_read(&WavFile,
&BufferCtl.buff[AUDIO_OUT_BUFFER_SIZE /2],
AUDIO_OUT_BUFFER_SIZE/2,
(void *)&bytesread) != FR_OK)
{
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
return AUDIO_ERROR_IO;
}if (f_read(&WavFile, &BufferCtl.buff[AUDIO_OUT_BUFFER_SIZE /2], AUDIO_OUT_BUFFER_SIZE/2, (void *)&bytesread) != FR_OK) { ... }
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}if (BufferCtl.state == BUFFER_OFFSET_FULL) { ... }
elapsed_time = BufferCtl.fptr / WaveFormat.ByteRate;
if(prev_elapsed_time != elapsed_time)
{
prev_elapsed_time = elapsed_time;
sprintf((char *)str, "[%02d:%02d]", (int)(elapsed_time /60), (int)(elapsed_time%60));
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_DisplayStringAt(263, LINE(8), str, LEFT_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
}if (prev_elapsed_time != elapsed_time) { ... }
AUDIO_AcquireTouchButtons();
break;
case AUDIO_STATE_PLAY:
case AUDIO_STATE_STOP:
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillRect(TOUCH_STOP_XMIN, TOUCH_STOP_YMIN ,
TOUCH_STOP_XMAX - TOUCH_STOP_XMIN,
TOUCH_STOP_YMAX - TOUCH_STOP_YMIN);
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AudioState = AUDIO_STATE_IDLE;
audio_error = AUDIO_ERROR_IO;
break;
case AUDIO_STATE_STOP:
case AUDIO_STATE_NEXT:
if(++FilePos >= AUDIO_GetWavObjectNumber())
{
FilePos = 0;
}if (++FilePos >= AUDIO_GetWavObjectNumber()) { ... }
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
case AUDIO_STATE_NEXT:
case AUDIO_STATE_PREVIOUS:
if(--FilePos < 0)
{
FilePos = AUDIO_GetWavObjectNumber() - 1;
}if (--FilePos < 0) { ... }
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
case AUDIO_STATE_PREVIOUS:
case AUDIO_STATE_PAUSE:
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_DisplayStringAt(250, LINE(9), (uint8_t *)" [PAUSE]", LEFT_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN, TOUCH_PAUSE_YMIN , 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN + 20, TOUCH_PAUSE_YMIN, 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_AUDIO_OUT_Pause();
AudioState = AUDIO_STATE_WAIT;
break;
case AUDIO_STATE_PAUSE:
case AUDIO_STATE_RESUME:
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_DisplayStringAt(250, LINE(9), (uint8_t *)" [PLAY ]", LEFT_MODE);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN, TOUCH_PAUSE_YMIN , 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN + 20, TOUCH_PAUSE_YMIN, 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_AUDIO_OUT_Resume();
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_RESUME:
case AUDIO_STATE_VOLUME_UP:
if( uwVolume <= 90)
{
uwVolume += 10;
}if (uwVolume <= 90) { ... }
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
sprintf((char *)str, "Volume : %lu ", uwVolume);
BSP_LCD_DisplayStringAtLine(9, str);
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_VOLUME_UP:
case AUDIO_STATE_VOLUME_DOWN:
if( uwVolume >= 10)
{
uwVolume -= 10;
}if (uwVolume >= 10) { ... }
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
sprintf((char *)str, "Volume : %lu ", uwVolume);
BSP_LCD_DisplayStringAtLine(9, str);
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_VOLUME_DOWN:
case AUDIO_STATE_WAIT:
case AUDIO_STATE_IDLE:
case AUDIO_STATE_INIT:
default:
AUDIO_AcquireTouchButtons();
break;default
}switch (AudioState) { ... }
return audio_error;
}{ ... }
/* ... */
AUDIO_ErrorTypeDef AUDIO_PLAYER_Stop(void)
{
AudioState = AUDIO_STATE_STOP;
FilePos = 0;
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
f_close(&WavFile);
return AUDIO_ERROR_NONE;
}{ ... }
/* ... */
void BSP_AUDIO_OUT_TransferComplete_CallBack(void)
{
if(AudioState == AUDIO_STATE_PLAY)
{
BufferCtl.state = BUFFER_OFFSET_FULL;
}if (AudioState == AUDIO_STATE_PLAY) { ... }
}{ ... }
/* ... */
void BSP_AUDIO_OUT_HalfTransfer_CallBack(void)
{
if(AudioState == AUDIO_STATE_PLAY)
{
BufferCtl.state = BUFFER_OFFSET_HALF;
}if (AudioState == AUDIO_STATE_PLAY) { ... }
}{ ... }
/* ... */
/* ... */
static AUDIO_ErrorTypeDef GetFileInfo(uint16_t file_idx, WAVE_FormatTypeDef *info)
{
uint32_t bytesread;
uint32_t duration;
uint8_t str[FILEMGR_FILE_NAME_SIZE + 20];
if(f_open(&WavFile, (char *)FileList.file[file_idx].name, FA_OPEN_EXISTING | FA_READ) == FR_OK)
{
if(f_read(&WavFile, info, sizeof(WaveFormat), (void *)&bytesread) == FR_OK)
{
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
sprintf((char *)str, "Playing file (%d/%d): %s",
file_idx + 1, FileList.ptr,
(char *)FileList.file[file_idx].name);
BSP_LCD_ClearStringLine(4);
BSP_LCD_DisplayStringAtLine(4, str);
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
sprintf((char *)str, "Sample rate : %d Hz", (int)(info->SampleRate));
BSP_LCD_ClearStringLine(6);
BSP_LCD_DisplayStringAtLine(6, str);
sprintf((char *)str, "Channels number : %d", info->NbrChannels);
BSP_LCD_ClearStringLine(7);
BSP_LCD_DisplayStringAtLine(7, str);
duration = info->FileSize / info->ByteRate;
sprintf((char *)str, "File Size : %d KB [%02d:%02d]", (int)(info->FileSize/1024), (int)(duration/60), (int)(duration%60));
BSP_LCD_ClearStringLine(8);
BSP_LCD_DisplayStringAtLine(8, str);
BSP_LCD_DisplayStringAt(263, LINE(8), (uint8_t *)"[00:00]", LEFT_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
sprintf((char *)str, "Volume : %lu", uwVolume);
BSP_LCD_ClearStringLine(9);
BSP_LCD_DisplayStringAtLine(9, str);
return AUDIO_ERROR_NONE;
}if (f_read(&WavFile, info, sizeof(WaveFormat), (void *)&bytesread) == FR_OK) { ... }
f_close(&WavFile);
}if (f_open(&WavFile, (char *)FileList.file[file_idx].name, FA_OPEN_EXISTING | FA_READ) == FR_OK) { ... }
return AUDIO_ERROR_IO;
}{ ... }
/* ... */
static uint8_t PlayerInit(uint32_t AudioFreq)
{
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, AudioFreq) != 0)
{
return 1;
}if (BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, AudioFreq) != 0) { ... }
else
{
BSP_AUDIO_OUT_SetAudioFrameSlot(CODEC_AUDIOFRAME_SLOT_02);
return 0;
}else { ... }
}{ ... }
/* ... */
static void AUDIO_PlaybackDisplayButtons(void)
{
BSP_LCD_SetFont(&LCD_LOG_HEADER_FONT);
BSP_LCD_ClearStringLine(14);
BSP_LCD_ClearStringLine(15);
BSP_LCD_ClearStringLine(16);
BSP_LCD_ClearStringLine(17);
BSP_LCD_ClearStringLine(18);
BSP_LCD_ClearStringLine(19);
BSP_LCD_ClearStringLine(20);
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_FillPolygon(PreviousPoints, 3);
BSP_LCD_FillRect(TOUCH_PREVIOUS_XMIN, TOUCH_PREVIOUS_YMIN , 10, TOUCH_PREVIOUS_YMAX - TOUCH_PREVIOUS_YMIN);
BSP_LCD_FillPolygon(NextPoints, 3);
BSP_LCD_FillRect(TOUCH_NEXT_XMAX-9, TOUCH_NEXT_YMIN , 10, TOUCH_NEXT_YMAX - TOUCH_NEXT_YMIN);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN, TOUCH_PAUSE_YMIN , 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_LCD_FillRect(TOUCH_PAUSE_XMIN + 20, TOUCH_PAUSE_YMIN, 15, TOUCH_PAUSE_YMAX - TOUCH_PAUSE_YMIN);
BSP_LCD_FillRect(TOUCH_STOP_XMIN, TOUCH_STOP_YMIN ,
TOUCH_STOP_XMAX - TOUCH_STOP_XMIN,
TOUCH_STOP_YMAX - TOUCH_STOP_YMIN);
BSP_LCD_DrawRect(TOUCH_VOL_MINUS_XMIN, TOUCH_VOL_MINUS_YMIN ,
TOUCH_VOL_MINUS_XMAX - TOUCH_VOL_MINUS_XMIN,
TOUCH_VOL_MINUS_YMAX - TOUCH_VOL_MINUS_YMIN);
BSP_LCD_DisplayStringAt(26, LINE(17), (uint8_t *)"VOL-", LEFT_MODE);
BSP_LCD_DrawRect(TOUCH_VOL_PLUS_XMIN, TOUCH_VOL_PLUS_YMIN ,
TOUCH_VOL_PLUS_XMAX - TOUCH_VOL_PLUS_XMIN,
TOUCH_VOL_PLUS_YMAX - TOUCH_VOL_PLUS_YMIN);
BSP_LCD_DisplayStringAt(626, LINE(17), (uint8_t *)"VOL+", LEFT_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_ClearStringLine(22);
BSP_LCD_DisplayStringAtLine(22, (uint8_t *)"Use stop button to exit");
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_SetFont(&LCD_LOG_TEXT_FONT);
}{ ... }
/* ... */
static void AUDIO_AcquireTouchButtons(void)
{
static TS_StateTypeDef TS_State={0};
if(TS_State.touchDetected == 1)
{
BSP_TS_GetState(&TS_State);
...}
else
{
BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected == 1)
{
if ((TS_State.touchX[0] > TOUCH_PAUSE_XMIN) && (TS_State.touchX[0] < TOUCH_PAUSE_XMAX) &&
(TS_State.touchY[0] > TOUCH_PAUSE_YMIN) && (TS_State.touchY[0] < TOUCH_PAUSE_YMAX))
{
if (AudioState == AUDIO_STATE_PLAY)
{
AudioState = AUDIO_STATE_PAUSE;
}if (AudioState == AUDIO_STATE_PLAY) { ... }
else
{
AudioState = AUDIO_STATE_RESUME;
}else { ... }
}if ((TS_State.touchX[0] > TOUCH_PAUSE_XMIN) && (TS_State.touchX[0] < TOUCH_PAUSE_XMAX) && (TS_State.touchY[0] > TOUCH_PAUSE_YMIN) && (TS_State.touchY[0] < TOUCH_PAUSE_YMAX)) { ... }
else if ((TS_State.touchX[0] > TOUCH_NEXT_XMIN) && (TS_State.touchX[0] < TOUCH_NEXT_XMAX) &&
(TS_State.touchY[0] > TOUCH_NEXT_YMIN) && (TS_State.touchY[0] < TOUCH_NEXT_YMAX))
{
AudioState = AUDIO_STATE_NEXT;
}else if ((TS_State.touchX[0] > TOUCH_NEXT_XMIN) && (TS_State.touchX[0] < TOUCH_NEXT_XMAX) && (TS_State.touchY[0] > TOUCH_NEXT_YMIN) && (TS_State.touchY[0] < TOUCH_NEXT_YMAX)) { ... }
else if ((TS_State.touchX[0] > TOUCH_PREVIOUS_XMIN) && (TS_State.touchX[0] < TOUCH_PREVIOUS_XMAX) &&
(TS_State.touchY[0] > TOUCH_PREVIOUS_YMIN) && (TS_State.touchY[0] < TOUCH_PREVIOUS_YMAX))
{
AudioState = AUDIO_STATE_PREVIOUS;
}else if ((TS_State.touchX[0] > TOUCH_PREVIOUS_XMIN) && (TS_State.touchX[0] < TOUCH_PREVIOUS_XMAX) && (TS_State.touchY[0] > TOUCH_PREVIOUS_YMIN) && (TS_State.touchY[0] < TOUCH_PREVIOUS_YMAX)) { ... }
else if ((TS_State.touchX[0] > TOUCH_STOP_XMIN) && (TS_State.touchX[0] < TOUCH_STOP_XMAX) &&
(TS_State.touchY[0] > TOUCH_STOP_YMIN) && (TS_State.touchY[0] < TOUCH_STOP_YMAX))
{
AudioState = AUDIO_STATE_STOP;
}else if ((TS_State.touchX[0] > TOUCH_STOP_XMIN) && (TS_State.touchX[0] < TOUCH_STOP_XMAX) && (TS_State.touchY[0] > TOUCH_STOP_YMIN) && (TS_State.touchY[0] < TOUCH_STOP_YMAX)) { ... }
else if((TS_State.touchX[0] > TOUCH_VOL_MINUS_XMIN) && (TS_State.touchX[0] < TOUCH_VOL_MINUS_XMAX) &&
(TS_State.touchY[0] > TOUCH_VOL_MINUS_YMIN) && (TS_State.touchY[0] < TOUCH_VOL_MINUS_YMAX))
{
AudioState = AUDIO_STATE_VOLUME_DOWN;
}else if ((TS_State.touchX[0] > TOUCH_VOL_MINUS_XMIN) && (TS_State.touchX[0] < TOUCH_VOL_MINUS_XMAX) && (TS_State.touchY[0] > TOUCH_VOL_MINUS_YMIN) && (TS_State.touchY[0] < TOUCH_VOL_MINUS_YMAX)) { ... }
else if((TS_State.touchX[0] > TOUCH_VOL_PLUS_XMIN) && (TS_State.touchX[0] < TOUCH_VOL_PLUS_XMAX) &&
(TS_State.touchY[0] > TOUCH_VOL_PLUS_YMIN) && (TS_State.touchY[0] < TOUCH_VOL_PLUS_YMAX))
{
AudioState = AUDIO_STATE_VOLUME_UP;
}else if ((TS_State.touchX[0] > TOUCH_VOL_PLUS_XMIN) && (TS_State.touchX[0] < TOUCH_VOL_PLUS_XMAX) && (TS_State.touchY[0] > TOUCH_VOL_PLUS_YMIN) && (TS_State.touchY[0] < TOUCH_VOL_PLUS_YMAX)) { ... }
}if (TS_State.touchDetected == 1) { ... }
}else { ... }
}{ ... }