/**
* @brief Touchscreen Demo3 : test touchscreen single and dual touch in interrupt mode
* @param None
* @retval None
*/
void Touchscreen_demo3(void)
{
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, this is an error : touchscreen demo 1 should have been run before anyway */
if (TouchScreen_IsCalibrationDone() == 0)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
if(ts_status == TS_OK)
{
/* Display touch screen demo3 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_3);
/* Set touchscreen in Interrupt mode and program MFX accordingly to receipt INT falling edge from MFX */
/* and generate EXTI when occurs */
ts_status = BSP_TS_ITConfig();
BSP_TEST_APPLI_ASSERT(ts_status != TS_OK);
while (exitTsUseCase == 0)
{
/* In order to avoid using I2C to ask MFX when not need (e.g. BSP_TS_ITGetStatus) */
/* check first if EXTI occurred */
/* Note : variable 'ts_exti_received' is set to 1b1' by HAL_GPIO_EXTI_Callback() */
if(mfx_exti_received == 1)
{
mfx_exti_received = 0;
if(BSP_TS_ITGetStatus() == TS_IRQ_PENDING)
{
/* Clear first BSP TS IRQ */
BSP_TS_ITClear();
/* Handle the new touch */
Touchscreen_Handle_NewTouch();
}
}
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(10);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief Touchscreen Demo2 : test touchscreen single and dual touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo2(void)
{
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, this is an error : touchscreen demo 1 should have been run before anyway */
if (TouchScreen_IsCalibrationDone() == 1)
{
} /* of if (TouchScreen_IsCalibrationDone() == 1) */
else
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 65, (uint8_t *)"ERROR : touchscreen not yet calibrated.", CENTER_MODE);
ts_status = TS_ERROR;
}
if(ts_status == TS_OK)
{
/* Display touch screen demo2 description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_2);
while (exitTsUseCase == 0)
{
Touchscreen_Handle_NewTouch();
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(100);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint8_t sdram_status = SDRAM_OK;
uint8_t lcd_status = LCD_OK;
uint32_t ts_status = TS_OK;
p_bmp_converted_pixel_data = (uint8_t *)CONVERTED_FRAME_BUFFER;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Initialize the SDRAM */
sdram_status = BSP_SDRAM_Init();
if(sdram_status != SDRAM_OK)
{
Error_Handler();
}
/*##-2- LCD Initialization #################################################*/
/* Initialize the LCD DSI */
lcd_status = BSP_LCD_Init() ;
if(lcd_status != LCD_OK)
{
Error_Handler();
}
lcd_status = BSP_LCD_InitEx(LCD_ORIENTATION_LANDSCAPE);
if(lcd_status != LCD_OK)
{
Error_Handler();
}
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_BACKGROUND, LCD_FB_START_ADDRESS);
/* Clear the LCD Background layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-3- Touch screen initialization ########################################*/
BSP_TS_ResetTouchData(&TS_State);
/* If calibration is not yet done, proceed with calibration */
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);
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
/*##-4- Link the SD Card disk I/O driver ###################################*/
/* Clear the LCD and display waiting message */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 - 27, (uint8_t*)"Please WAIT few seconds", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 - 12, (uint8_t*)"Creating FAT file system on SD card", CENTER_MODE);
if(FATFS_LinkDriver(&SD_Driver, SDPath) != 0)
{
/* FatFs Initialization Error */
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/*##-4- Register the file system object to the FatFs module ################*/
if(f_mount(&SDFatFs, (TCHAR const*)SDPath, 0) != FR_OK)
{
/* FatFs Initialization Error */
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/* Create a FAT file system (format) on the logical drive */
if(f_mkfs((TCHAR const*)SDPath, 0, 0) != FR_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/*##-5- Draw the menu ######################################################*/
Draw_Menu();
/* Infinite loop */
while (1)
{
/*##-6- Configure the touch screen and Get the position ####################*/
GetPosition();
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint8_t lcd_status = LCD_OK;
uint32_t ts_status = TS_OK;
p_bmp_converted_pixel_data = (uint8_t *)CONVERTED_FRAME_BUFFER;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Init MFX needed by TS, SD detect and CameraPwrDown */
BSP_IO_Init();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- LCD Initialization #################################################*/
/* Initialize and start the LCD display in mode 'lcd_mode'
* Using LCD_FB_START_ADDRESS as frame buffer displayed contents.
* This buffer is modified by the BSP (draw fonts, objects depending on BSP calls).
*/
/* Set Portrait orientation if needed, by default orientation is set to
Landscape */
/* Initialize DSI LCD */
BSP_LCD_Init(); /* Uncomment if default config (landscape orientation) is needed */
while(lcd_status != LCD_OK);
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
/* Clear the LCD Background layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-2- Touch screen initialization ########################################*/
BSP_TS_ResetTouchData(&TS_State);
/* If calibration is not yet done, proceed with calibration */
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);
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
/* ###########################################################################
When the uSD Card is used; the Camera module must be unplugged, this is due
to the shared pins between the two devices.
Otherwise, you have to set camera sensor in Power Down mode, by calling the
BSP_CAMERA_PwrDown() available under stm32469i_eval_camera.c BSP driver */
/* Set camera sensor in Power Down mode */
BSP_CAMERA_PwrDown();
/*##-3- Link the SD Card disk I/O driver ###################################*/
/* Clear the LCD and display waiting message */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 - 27, (uint8_t*)"Please WAIT few seconds", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 - 12, (uint8_t*)"Creating FAT file system on SD card", CENTER_MODE);
if(FATFS_LinkDriver(&SD_Driver, SDPath) != 0)
{
/* FatFs Initialization Error */
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/*##-4- Register the file system object to the FatFs module ################*/
if(f_mount(&SDFatFs, (TCHAR const*)SDPath, 0) != FR_OK)
{
/* FatFs Initialization Error */
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/* Create a FAT file system (format) on the logical drive */
if(f_mkfs((TCHAR const*)SDPath, 0, 0) != FR_OK)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize()/2 + 3, (uint8_t*)"FAT FS Error !!", CENTER_MODE);
Error_Handler();
}
/*##-5- Draw the menu ######################################################*/
Draw_Menu();
/* Infinite loop */
while (1)
{
/*##-6- Configure the touch screen and Get the position ####################*/
GetPosition();
}
}
/**
* @brief Touchscreen Demo1 : test touchscreen calibration and single touch in polling mode
* @param None
* @retval None
*/
void Touchscreen_demo1(void)
{
uint16_t x1, y1;
uint8_t state = 0;
uint8_t exitTsUseCase = 0;
uint32_t ts_status = TS_OK;
/* Reset touch data information */
BSP_TEST_APPLI_ASSERT(BSP_TS_ResetTouchData(&TS_State));
/* If calibration is not yet done, proceed with calibration */
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);
}
} /* of if (TouchScreen_IsCalibrationDone() == 0) */
if(ts_status == TS_OK)
{
/* Display touch screen demo description */
Touchscreen_SetHint_Demo(TOUCHSCREEN_DEMO_1);
Touchscreen_DrawBackground_Demo1(state);
while (exitTsUseCase == 0)
{
if (ts_status == TS_OK)
{
/* Check in polling mode in touch screen the touch status and coordinates */
/* of touches if touch occurred */
ts_status = BSP_TS_GetState(&TS_State);
if(TS_State.touchDetected)
{
/* One or dual touch have been detected */
/* Only take into account the first touch so far */
/* Get X and Y position of the first touch post calibrated */
x1 = TouchScreen_Get_Calibrated_X(TS_State.touchX[0]);
y1 = TouchScreen_Get_Calibrated_Y(TS_State.touchY[0]);
if ((y1 > (CIRCLE_YPOS(1) - CIRCLE_RADIUS)) &&
(y1 < (CIRCLE_YPOS(1) + CIRCLE_RADIUS)))
{
if ((x1 > (CIRCLE_XPOS(1) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(1) + CIRCLE_RADIUS)))
{
if ((state & 1) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillCircle(CIRCLE_XPOS(1), CIRCLE_YPOS(1), CIRCLE_RADIUS);
state = 1;
}
}
if ((x1 > (CIRCLE_XPOS(2) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(2) + CIRCLE_RADIUS)))
{
if ((state & 2) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_FillCircle(CIRCLE_XPOS(2), CIRCLE_YPOS(2), CIRCLE_RADIUS);
state = 2;
}
}
if ((x1 > (CIRCLE_XPOS(3) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(3) + CIRCLE_RADIUS)))
{
if ((state & 4) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_YELLOW);
BSP_LCD_FillCircle(CIRCLE_XPOS(3), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 4;
}
}
if ((x1 > (CIRCLE_XPOS(4) - CIRCLE_RADIUS)) &&
(x1 < (CIRCLE_XPOS(4) + CIRCLE_RADIUS)))
{
if ((state & 8) == 0)
{
Touchscreen_DrawBackground_Demo1(state);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_FillCircle(CIRCLE_XPOS(4), CIRCLE_YPOS(3), CIRCLE_RADIUS);
state = 8;
}
}
}
} /* of if(TS_State.TouchDetected) */
} /* of if (ts_status == TS_OK) */
/* Wait for a key button press to switch to next test case of BSP validation application */
/* Otherwise stay in the test */
exitTsUseCase = CheckForUserInput();
HAL_Delay(20);
} /* of while (exitTsUseCase == 0) */
} /* of if(status == TS_OK) */
}
