/**
* @brief LCD Log demo
* @param None
* @retval None
*/
void Log_demo(void)
{
TS_ActionTypeDef ts_action = TS_ACT_NONE;
uint8_t ts_status = TS_OK;
uint8_t i = 0;
/* Wait For User inputs */
while (CheckForUserInput() == 0);
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if(ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"Touchscreen calibration success.", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
/* Initialize LCD Log module */
LCD_LOG_Init();
/* Show Header and Footer texts */
LCD_LOG_SetHeader((uint8_t *)"Log Example");
LCD_LOG_SetFooter((uint8_t *)"Use touch up/down to scroll");
/* Output User logs */
for (i = 0; i < 10; i++)
{
LCD_UsrLog ("This is Line %d \n", i);
}
HAL_Delay(1000);
/* Clear Old logs */
LCD_LOG_ClearTextZone();
/* Output new user logs */
for (i = 0; i < 30; i++)
{
LCD_UsrLog ("This is Line %d \n", i);
}
if(ts_status == TS_OK)
{
/* Set touchscreen in Interrupt mode and program EXTI accordingly on falling edge of TS_INT pin */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
Touchscreen_DrawBackground_Circle_Buttons(32);
BSP_LCD_SetFont(&Font12);
}
/* Check for joystick user input for scroll (back and forward) */
while (1)
{
ts_action = (TS_ActionTypeDef) TouchScreen_GetTouchPosition();
switch (ts_action)
{
case TS_ACT_SCROLL_UP:
LCD_LOG_ScrollBack();
break;
case TS_ACT_SCROLL_DOWN:
LCD_LOG_ScrollForward();
break;
default:
break;
}
if (CheckForUserInput() > 0)
{
return;
}
HAL_Delay (10);
}
}
/**
* @brief Audio Play demo
* @param None
* @retval None
*/
void AudioPlay_demo (void)
{
uint8_t ts_status = TS_OK;
uint32_t *AudioFreq_ptr;
AudioFreq_ptr = AudioFreq+6; /*AF_48K*/
uint8_t FreqStr[256] = {0};
Point Points2[] = {{100, 140}, {160, 180}, {100, 220}};
uwPauseEnabledStatus = 1; /* 0 when audio is running, 1 when Pause is on */
uwVolume = AUDIO_DEFAULT_VOLUME;
if (TouchScreen_IsCalibrationDone() == 0)
{
ts_status = Touchscreen_Calibration();
if(ts_status == TS_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"Touchscreen calibration success.", CENTER_MODE);
}
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
AudioPlay_SetHint();
BSP_LCD_SetFont(&Font20);
/* if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_SPEAKER, uwVolume, *AudioFreq_ptr) == 0)
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, *AudioFreq_ptr) == 0)*/
if(BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_BOTH, uwVolume, *AudioFreq_ptr) == 0)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)" AUDIO CODEC OK ", CENTER_MODE);
}
else
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(0, LINE(6), (uint8_t *)" AUDIO CODEC FAIL ", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, LINE(7), (uint8_t *)" Try to reset board ", CENTER_MODE);
}
/*
Start playing the file from a circular buffer, once the DMA is enabled, it is
always in running state. Application has to fill the buffer with the audio data
using Transfer complete and/or half transfer complete interrupts callbacks
(DISCOVERY_AUDIO_TransferComplete_CallBack() or DISCOVERY_AUDIO_HalfTransfer_CallBack()...
*/
AUDIO_Play_Start((uint32_t *)AUDIO_SRC_FILE_ADDRESS, (uint32_t)AUDIO_FILE_SIZE);
/* Display the state on the screen */
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PLAYING... ", CENTER_MODE);
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 40, (uint8_t *)"Hear nothing ? Have you copied the audio file with STM-LINK UTILITY ?", CENTER_MODE);
if(ts_status == TS_OK)
{
/* Set touchscreen in Interrupt mode and program EXTI accordingly on falling edge of TS_INT pin */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
Touchscreen_DrawBackground_Circle_Buttons(16);
}
BSP_LCD_SetFont(&Font20);
/* draw play triangle */
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillPolygon(Points2, 3);
/* IMPORTANT:
AUDIO_Play_Process() is called by the SysTick Handler, as it should be called
within a periodic process */
/* Infinite loop */
while (1)
{
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
/* Get the TouchScreen State */
ts_action = (TS_ActionTypeDef) TouchScreen_GetTouchPosition();
switch (ts_action)
{
case TS_ACT_VOLUME_UP:
/* Increase volume by 5% */
if (uwVolume < 95)
uwVolume += 5;
else
uwVolume = 100;
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_VOLUME_DOWN:
/* Decrease volume by 5% */
if (uwVolume > 5)
uwVolume -= 5;
else
uwVolume = 0;
sprintf((char*)FreqStr, " VOL: %3lu ", uwVolume);
BSP_AUDIO_OUT_SetVolume(uwVolume);
BSP_LCD_DisplayStringAt(0, LINE(9), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_FREQ_DOWN:
/*Decrease Frequency */
if (*AudioFreq_ptr != 8000)
{
AudioFreq_ptr--;
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_AUDIO_OUT_Pause();
BSP_AUDIO_OUT_SetFrequency(*AudioFreq_ptr);
BSP_AUDIO_OUT_Resume();
BSP_AUDIO_OUT_SetVolume(uwVolume);
}
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_FREQ_UP:
/* Increase Frequency */
if (*AudioFreq_ptr != 96000)
{
AudioFreq_ptr++;
sprintf((char*)FreqStr, " FREQ: %6lu ", *AudioFreq_ptr);
BSP_AUDIO_OUT_Pause();
BSP_AUDIO_OUT_SetFrequency(*AudioFreq_ptr);
BSP_AUDIO_OUT_Resume();
BSP_AUDIO_OUT_SetVolume(uwVolume);
}
BSP_LCD_DisplayStringAt(0, LINE(10), (uint8_t *)FreqStr, CENTER_MODE);
break;
case TS_ACT_PAUSE:
/* Set Pause / Resume */
if (uwPauseEnabledStatus == 1)
{ /* Pause is enabled, call Resume */
BSP_AUDIO_OUT_Resume();
uwPauseEnabledStatus = 0;
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PLAYING... ", CENTER_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillPolygon(Points2, 3);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_FillRect(100, 140, 25 , 80);
BSP_LCD_FillRect(140, 140, 25 , 80);
}
else
{ /* Pause the playback */
BSP_AUDIO_OUT_Pause();
uwPauseEnabledStatus = 1;
BSP_LCD_DisplayStringAt(0, LINE(8), (uint8_t *)" PAUSE ... ", CENTER_MODE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_FillRect(100, 140, 80 , 80);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillPolygon(Points2, 3);
}
HAL_Delay(200);
break;
default:
break;
}
/* Toggle LED4 */
BSP_LED_Toggle(LED4);
/* Insert 100 ms delay */
HAL_Delay(100);
if (CheckForUserInput() > 0)
{
/* Set LED4 */
BSP_LED_On(LED4);
BSP_AUDIO_OUT_Stop(CODEC_PDWN_SW);
return;
}
}
}
