/**
* @brief This function handles SysTick Handler.
* @param None
* @retval None
*/
void SysTick_Handler(void)
{
HAL_IncTick();
Toggle_Leds();
/* Check periodically the buffer state and fill played buffer with new data
following the state that has been updated by the BSP_AUDIO_OUT_TransferComplete_CallBack()
and BSP_AUDIO_OUT_HalfTransfer_CallBack() */
AUDIO_Process();
}
/**
* @brief Manages MTP Menu Process.
* @param None
* @retval None
*/
void MTP_MenuProcess(void)
{
switch(mtp_demo.state)
{
case MTP_DEMO_IDLE:
MTP_SelectItem(MTP_main_menu, 0);
mtp_demo.state = MTP_DEMO_WAIT;
mtp_demo.select = 0;
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(15, (uint8_t *)"Use [Joystick Left/Right] to scroll up/down");
BSP_LCD_DisplayStringAtLine(16, (uint8_t *)"Use [Joystick Up/Down] to scroll MTP menu");
break;
case MTP_DEMO_WAIT:
if(mtp_demo.select != prev_select)
{
prev_select = mtp_demo.select;
MTP_SelectItem(MTP_main_menu, mtp_demo.select & 0x7F);
/* Handle select item */
if(mtp_demo.select & 0x80)
{
switch(mtp_demo.select & 0x7F)
{
case 0:
mtp_demo.state = MTP_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 *)"Use [User Key] To Stop and return from player");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Set PLAYBACK state and start playing 1st file */
audio_state = AUDIO_STATE_IDLE;
mtp_demo.state = MTP_DEMO_PLAYBACK;
MTP_ChangeSelectMode(MTP_PLAYBACK_CONTROL);
break;
case 2:
mtp_demo.state = MTP_REENUMERATE;
break;
default:
break;
}
}
}
break;
case MTP_DEMO_EXPLORE:
if(Appli_state == APPLICATION_READY)
{
if(MTP_Init() == 0)
{
if(MTP_ExploreWavFile() > 0)
{
LCD_ErrLog("There is no WAV file on the microSD.\n" );
MTP_ChangeSelectMode(MTP_SELECT_MENU);
mtp_demo.state = MTP_DEMO_IDLE;
}
else
{
mtp_demo.state = MTP_DEMO_WAIT;
}
}
}
else
{
mtp_demo.state = MTP_DEMO_WAIT;
}
break;
case MTP_DEMO_PLAYBACK:
if(Appli_state == APPLICATION_READY)
{
if(MTP_Init() == 0)
{
if(audio_state == AUDIO_STATE_IDLE)
{
/* Start Playing */
audio_state = AUDIO_STATE_INIT;
if(AUDIO_Start(0) == AUDIO_ERROR_IO)
{
MTP_ChangeSelectMode(MTP_SELECT_MENU);
mtp_demo.state = MTP_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_Process() == AUDIO_ERROR_IO)
{
MTP_ChangeSelectMode(MTP_SELECT_MENU);
mtp_demo.state = MTP_DEMO_IDLE;
}
}
}
}
else
{
mtp_demo.state = MTP_DEMO_WAIT;
}
break;
case MTP_REENUMERATE:
/* Force MTP Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
mtp_demo.state = MTP_DEMO_WAIT;
break;
default:
break;
}
if(Appli_state == APPLICATION_DISCONNECT)
{
Appli_state = APPLICATION_IDLE;
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
MTP_ChangeSelectMode(MTP_SELECT_MENU);
}
mtp_demo.select &= 0x7F;
}
/**
* @brief Manages Audio Menu Process.
* @param None
* @retval None
*/
void AUDIO_MenuProcess(void)
{
switch(audio_demo.state)
{
case AUDIO_DEMO_IDLE:
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(16, (uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(17, (uint8_t *)"Use [Buttons Left/Right] to scroll up/down ");
BSP_LCD_DisplayStringAtLine(18, (uint8_t *)"Use [Joystick Up/Down] to scroll audio menu ");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
AUDIO_MenuSelectItem(AUDIO_main_menu, 0);
audio_demo.state = AUDIO_DEMO_WAIT;
audio_demo.select = 0;
break;
case AUDIO_DEMO_WAIT:
if(audio_demo.select != prev_select)
{
prev_select = audio_demo.select;
AUDIO_MenuSelectItem(AUDIO_main_menu, audio_demo.select & 0x7F);
/* Handle select item */
if(audio_demo.select & 0x80)
{
audio_demo.select &= 0x7F;
switch(audio_demo.select)
{
case 0:
audio_demo.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 *)"Use [User Key] To Stop and return from player");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
/* Set PLAYBACK state and start playing 1st file */
audio_state = AUDIO_STATE_IDLE;
audio_demo.state = AUDIO_DEMO_PLAYBACK;
Audio_ChangeSelectMode(AUDIO_PLAYBACK_CONTROL);
break;
case 2:
audio_demo.state = AUDIO_REENUMERATE;
break;
default:
break;
}
}
}
break;
case AUDIO_DEMO_EXPLORE:
if(Appli_state == APPLICATION_AUDIO)
{
if(Audio_ShowWavFiles() > 0)
{
LCD_ErrLog("There is no WAV file on the microSD.\n");
Audio_ChangeSelectMode(AUDIO_SELECT_MENU);
}
else
{
audio_demo.state = AUDIO_DEMO_WAIT;
}
}
break;
case AUDIO_DEMO_PLAYBACK:
if(Appli_state == APPLICATION_AUDIO)
{
if(audio_state == AUDIO_STATE_IDLE)
{
/* Start Playing...*/
audio_state = AUDIO_STATE_INIT;
if(AUDIO_Start(0) == AUDIO_ERROR_IO)
{
Audio_ChangeSelectMode(AUDIO_SELECT_MENU);
}
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_Process() == AUDIO_ERROR_IO)
{
Audio_ChangeSelectMode(AUDIO_SELECT_MENU);
}
}
}
break;
case AUDIO_REENUMERATE:
/* Force Audio Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
audio_demo.state = AUDIO_DEMO_WAIT;
break;
default:
break;
}
}
/**
* @brief Manages AUDIO Menu Process.
* @param None
* @retval None
*/
void AUDIO_MenuProcess(void)
{
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_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_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 */
{
if(AUDIO_REC_Process() == AUDIO_ERROR_IO)
{
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;
}