/**
* @brief Manages AUDIO Menu Process.
* @param None
* @retval None
*/
void AUDIO_MenuProcess(void)
{
AUDIO_ErrorTypeDef status;
if(AppliState == APPLICATION_READY)
{
switch(AudioDemo.state)
{
case AUDIO_DEMO_IDLE:
AUDIO_SelectItem(AUDIO_main_menu, 0);
if(AUDIO_ShowWavFiles() > 0)
{
LCD_ErrLog("There is no WAV file on the USB Key.\n");
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
AudioDemo.select = 0;
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(17, (uint8_t *)"Use [Joystick Left/Right] to scroll up/down");
BSP_LCD_DisplayStringAtLine(18, (uint8_t *)"Use [Joystick Up/Down] to scroll Audio Playback and Record menu");
break;
case AUDIO_DEMO_WAIT:
if(AudioDemo.select != PrevSelect)
{
PrevSelect = AudioDemo.select;
AUDIO_SelectItem(AUDIO_main_menu, AudioDemo.select & 0x7F);
/* Handle select item */
if(AudioDemo.select & 0x80)
{
switch(AudioDemo.select & 0x7F)
{
case 0:
AudioDemo.state = AUDIO_DEMO_EXPLORE;
break;
case 1:
/* Display HMI messages */
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(14 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(15 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(16 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(17 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(18 ,(uint8_t *)"Use [User Key] To Stop and return from player/recorder ");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Set PLAYBACK state and start playing 1st file */
AudioState = AUDIO_STATE_IDLE;
AudioDemo.state = AUDIO_DEMO_PLAYBACK;
AUDIO_ChangeSelectMode(AUDIO_PLAYBACK_CONTROL);
break;
case 2:
/* Display HMI messages */
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(14 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(15 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(16 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(17 ,(uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(18 ,(uint8_t *)"Use [User Key] To Stop and return from player/recorder ");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Set PLAYBACK state and start playing 1st file */
AudioState = AUDIO_STATE_IDLE;
AudioDemo.state = AUDIO_DEMO_IN;
AUDIO_ChangeSelectMode(AUDIO_PLAYBACK_CONTROL);
break;
default:
break;
}
}
}
break;
case AUDIO_DEMO_EXPLORE:
if(AppliState == APPLICATION_READY)
{
if(AUDIO_ShowWavFiles() > 0)
{
LCD_ErrLog("There is no WAV file on the USB Key.\n");
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
case AUDIO_DEMO_PLAYBACK:
if(AppliState == APPLICATION_READY)
{
if(AudioState == AUDIO_STATE_IDLE)
{
/* Start Playing */
AudioState = AUDIO_STATE_INIT;
if(AUDIO_PLAYER_Start(0) == AUDIO_ERROR_IO)
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_DisplayStringAtLine(10, (uint8_t *)"[ UP ] : Volume +");
BSP_LCD_DisplayStringAtLine(11, (uint8_t *)"[ DOWN ] : Volume -");
BSP_LCD_DisplayStringAtLine(12, (uint8_t *)"[ LEFT ] : Previous");
BSP_LCD_DisplayStringAtLine(13, (uint8_t *)"[ RIGHT ] : Next");
BSP_LCD_DisplayStringAtLine(14, (uint8_t *)"[ SEL ] : Pause/Resume");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
}
}
else /* Not idle */
{
if(AUDIO_PLAYER_Process() == AUDIO_ERROR_IO)
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
case AUDIO_DEMO_IN:
if(AppliState == APPLICATION_READY)
{
if(AudioState == AUDIO_STATE_IDLE)
{
/* Start Playing */
AudioState = AUDIO_STATE_INIT;
/* Configure the audio recorder: sampling frequency, bits-depth, number of channels */
if(AUDIO_REC_Start() == AUDIO_ERROR_IO)
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_DisplayStringAtLine(11, (uint8_t *)"[ UP ] : Volume +");
BSP_LCD_DisplayStringAtLine(12, (uint8_t *)"[ DOWN ] : Volume -");
BSP_LCD_DisplayStringAtLine(13, (uint8_t *)"[ SEL ] : Pause/Resume");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
}
}
else /* Not idle */
{
status = AUDIO_REC_Process();
if((status == AUDIO_ERROR_IO) || (status == AUDIO_ERROR_EOF))
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
default:
break;
}
}
if(AppliState == APPLICATION_DISCONNECT)
{
AppliState = APPLICATION_IDLE;
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
}
AudioDemo.select &= 0x7F;
}
/**
* @brief Manages AUDIO Menu Process.
* @param None
* @retval None
*/
void AUDIO_MenuProcess(void)
{
AUDIO_ErrorTypeDef status;
TS_StateTypeDef TS_State;
Point PlaybackLogoPoints[] = {{TOUCH_PLAYBACK_XMIN, TOUCH_PLAYBACK_YMIN},
{TOUCH_PLAYBACK_XMAX, (TOUCH_PLAYBACK_YMIN+TOUCH_PLAYBACK_YMAX)/2},
{TOUCH_PLAYBACK_XMIN, TOUCH_PLAYBACK_YMAX}};
if(appli_state == APPLICATION_READY)
{
switch(AudioDemo.state)
{
case AUDIO_DEMO_IDLE:
if(AUDIO_ShowWavFiles() > 0)
{
LCD_ErrLog("There is no WAV file on the USB Key.\n");
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
BSP_LCD_SetFont(&LCD_LOG_HEADER_FONT);
BSP_LCD_ClearStringLine(13); /* Clear touch screen buttons dedicated zone */
BSP_LCD_ClearStringLine(14);
BSP_LCD_ClearStringLine(15);
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_FillPolygon(PlaybackLogoPoints, 3); /* Playback sign */
BSP_LCD_FillCircle((TOUCH_RECORD_XMAX+TOUCH_RECORD_XMIN)/2, /* Record circle */
(TOUCH_RECORD_YMAX+TOUCH_RECORD_YMIN)/2,
(TOUCH_RECORD_XMAX-TOUCH_RECORD_XMIN)/2);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_SetFont(&LCD_LOG_TEXT_FONT);
BSP_LCD_DisplayStringAtLine(15, (uint8_t *)"Use touch screen to enter playback or record menu");
break;
case AUDIO_DEMO_WAIT:
BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected == 1)
{
if ((TS_State.touchX[0] > TOUCH_RECORD_XMIN) && (TS_State.touchX[0] < TOUCH_RECORD_XMAX) &&
(TS_State.touchY[0] > TOUCH_RECORD_YMIN) && (TS_State.touchY[0] < TOUCH_RECORD_YMAX))
{
AudioDemo.state = AUDIO_DEMO_IN;
}
else if ((TS_State.touchX[0] > TOUCH_PLAYBACK_XMIN) && (TS_State.touchX[0] < TOUCH_PLAYBACK_XMAX) &&
(TS_State.touchY[0] > TOUCH_PLAYBACK_YMIN) && (TS_State.touchY[0] < TOUCH_PLAYBACK_YMAX))
{
AudioDemo.state = AUDIO_DEMO_PLAYBACK;
}
else
{
AudioDemo.state = AUDIO_DEMO_EXPLORE;
}
/* Wait for touch released */
do
{
BSP_TS_GetState(&TS_State);
}while(TS_State.touchDetected > 0);
}
break;
case AUDIO_DEMO_EXPLORE:
if(appli_state == APPLICATION_READY)
{
if(AUDIO_ShowWavFiles() > 0)
{
LCD_ErrLog("There is no WAV file on the USB Key.\n");
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
case AUDIO_DEMO_PLAYBACK:
if(appli_state == APPLICATION_READY)
{
if(AudioState == AUDIO_STATE_IDLE)
{
/* Start Playing */
AudioState = AUDIO_STATE_INIT;
/* Clear the LCD */
LCD_ClearTextZone();
if(AUDIO_PLAYER_Start(0) == AUDIO_ERROR_IO)
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
else /* Not idle */
{
if(AUDIO_PLAYER_Process() == AUDIO_ERROR_IO)
{
/* Clear the LCD */
LCD_ClearTextZone();
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
case AUDIO_DEMO_IN:
if(appli_state == APPLICATION_READY)
{
if(AudioState == AUDIO_STATE_IDLE)
{
/* Start Playing */
AudioState = AUDIO_STATE_INIT;
/* Clear the LCD */
LCD_ClearTextZone();
/* Configure the audio recorder: sampling frequency, bits-depth, number of channels */
if(AUDIO_REC_Start() == AUDIO_ERROR_IO)
{
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
else /* Not idle */
{
status = AUDIO_REC_Process();
if((status == AUDIO_ERROR_IO) || (status == AUDIO_ERROR_EOF))
{
/* Clear the LCD */
LCD_ClearTextZone();
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
AudioDemo.state = AUDIO_DEMO_IDLE;
}
}
}
else
{
AudioDemo.state = AUDIO_DEMO_WAIT;
}
break;
default:
break;
}
}
if(appli_state == APPLICATION_DISCONNECT)
{
appli_state = APPLICATION_IDLE;
AUDIO_ChangeSelectMode(AUDIO_SELECT_MENU);
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
}
}
/**
* @brief Manages Audio process.
* @param None
* @retval Audio error
*/
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[10];
switch(AudioState)
{
case AUDIO_STATE_PLAY:
if(BufferCtl.fptr >= WaveFormat.FileSize)
{
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AudioState = AUDIO_STATE_NEXT;
}
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;
}
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}
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;
}
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}
/* Display elapsed time */
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);
}
break;
case AUDIO_STATE_STOP:
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AudioState = AUDIO_STATE_IDLE;
audio_error = AUDIO_ERROR_IO;
break;
case AUDIO_STATE_NEXT:
if(++FilePos >= AUDIO_GetWavObjectNumber())
{
FilePos = 0;
}
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
case AUDIO_STATE_PREVIOUS:
if(--FilePos < 0)
{
FilePos = AUDIO_GetWavObjectNumber() - 1;
}
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
case AUDIO_STATE_PAUSE:
BSP_LCD_DisplayStringAt(250, LINE(14), (uint8_t *)" [PAUSE]", LEFT_MODE);
BSP_AUDIO_OUT_Pause();
AudioState = AUDIO_STATE_WAIT;
break;
case AUDIO_STATE_RESUME:
BSP_LCD_DisplayStringAt(250, LINE(14), (uint8_t *)" [PLAY ]", LEFT_MODE);
BSP_AUDIO_OUT_Resume();
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_VOLUME_UP:
if( uwVolume <= 90)
{
uwVolume += 10;
}
BSP_AUDIO_OUT_SetVolume(uwVolume);
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_VOLUME_DOWN:
if( uwVolume >= 10)
{
uwVolume -= 10;
}
BSP_AUDIO_OUT_SetVolume(uwVolume);
AudioState = AUDIO_STATE_PLAY;
break;
case AUDIO_STATE_WAIT:
case AUDIO_STATE_IDLE:
case AUDIO_STATE_INIT:
default:
/* Do Nothing */
break;
}
return audio_error;
}
/**
* @brief Manages Audio process.
* @param None
* @retval Audio error
*/
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[10];
switch(AudioState)
{
case AUDIO_STATE_PLAY:
if(BufferCtl.fptr >= WaveFormat.FileSize)
{
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AudioState = AUDIO_STATE_NEXT;
}
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;
}
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}
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;
}
BufferCtl.state = BUFFER_OFFSET_NONE;
BufferCtl.fptr += bytesread;
}
/* Display elapsed time */
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);
}
/* Update audio state machine according to touch acquisition */
AUDIO_AcquireTouchButtons();
break;
case AUDIO_STATE_STOP:
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillRect(TOUCH_STOP_XMIN, TOUCH_STOP_YMIN , /* Stop rectangle */
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_NEXT:
if(++FilePos >= AUDIO_GetWavObjectNumber())
{
FilePos = 0;
}
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
case AUDIO_STATE_PREVIOUS:
if(--FilePos < 0)
{
FilePos = AUDIO_GetWavObjectNumber() - 1;
}
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
AUDIO_PLAYER_Start(FilePos);
break;
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); /* Display red pause rectangles */
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_RESUME:
BSP_LCD_SetTextColor(LCD_COLOR_CYAN);
BSP_LCD_DisplayStringAt(250, LINE(9), (uint8_t *)" [PLAY ]", LEFT_MODE);
/* Display blue cyan pause rectangles */
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_VOLUME_UP:
if( uwVolume <= 90)
{
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:
if( uwVolume >= 10)
{
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_WAIT:
case AUDIO_STATE_IDLE:
case AUDIO_STATE_INIT:
default:
/* Update audio state machine according to touch acquisition */
AUDIO_AcquireTouchButtons();
break;
}
return audio_error;
}