/**
* @brief LCD configuration.
* @param None
* @retval None
*/
static void LCD_Config(void)
{
/* LCD Initialization */
/* Two layers are used in this application simultaneously
so "LCD_MIN_PCLK" is recommended to programme the PCLK at 20 MHz */
BSP_LCD_InitEx(LCD_MIN_PCLK);
/* LCD Layers Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
BSP_LCD_LayerDefaultInit(1, (LCD_FB_START_ADDRESS+(BSP_LCD_GetXSize()*BSP_LCD_GetYSize()*4)));
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Set LCD Background Layer */
BSP_LCD_SelectLayer(0);
/* Clear the Background Layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set LCD Foreground Layer */
BSP_LCD_SelectLayer(1);
/* Clear the Foreground Layer */
BSP_LCD_Clear(LCD_COLOR_BLACK);
/* Configure and enable the Color Keying feature */
BSP_LCD_SetColorKeying(1, 0);
/* Configure the transparency for foreground: Increase the transparency */
BSP_LCD_SetTransparency(1, 100);
}
// Constructor
LCD_DISCO_F469NI::LCD_DISCO_F469NI()
{
BSP_LCD_Init();
BSP_LCD_InitEx(LCD_ORIENTATION_LANDSCAPE);
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_BACKGROUND, LCD_FB_START_ADDRESS);
BSP_LCD_SetFont(&Font20);
BSP_LCD_Clear(LCD_COLOR_WHITE);
}
/**
* @brief Initializes the LCD.
* @param None
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
return (BSP_LCD_InitEx(LCD_MAX_PCLK));
}
/**
* @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)
{
/* Enable the CPU Cache */
CPU_CACHE_Enable();
/* STM32F7xx HAL library initialization:
- Configure the Flash ART accelerator on ITCM interface
- 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 200 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- Initialize the LCD #################################################*/
/* Two layers are used in this application simultaneously
so "LCD_MIN_PCLK" is recommended to programme the PCLK at 20 MHz */
BSP_LCD_InitEx(LCD_MIN_PCLK);
/* Foreground Layer Initialization */
BSP_LCD_LayerDefaultInit(1, LCD_FRAME_BUFFER_LAYER1);
/* Set Foreground Layer */
BSP_LCD_SelectLayer(1);
/* Clear the LCD Foreground layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Background Layer Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Select the LCD Foreground layer */
BSP_LCD_SelectLayer(0);
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SetLayerWindow(0, 0, 0, 480, 272);
/*##-2- Init Host Library ##################################################*/
/* Display USB initialization message */
BSP_LCD_SetTextColor(LCD_COLOR_DARKBLUE);
BSP_LCD_SetFont(&Font24);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"USB init ..", RIGHT_MODE);
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/*##-3- Configure TAMPER Button ############################################*/
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/*##-4- Link the USB Host disk I/O driver ##################################*/
FATFS_LinkDriver(&USBH_Driver, MSC_Path);
/*##-5- Camera Initialization and start capture ############################*/
/* Display camera initialization message */
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Camera init ..", RIGHT_MODE);
/* Initialize the Camera */
BSP_CAMERA_Init(RESOLUTION_R480x272);
/* Start the Camera Capture */
BSP_CAMERA_ContinuousStart((uint8_t *)CAMERA_FRAME_BUFFER);
/*##-6- Run Application ####################################################*/
while (1)
{
/* USB Host Background task */
USBH_Process(&hUSB_Host);
switch(Appli_state)
{
case STORAGE_READY:
CAMERA_Capture();
break;
case STORAGE_IDLE:
break;
}
}
}
uint8_t LCD_DISCO_F469NI::InitEx(LCD_OrientationTypeDef orientation)
{
return BSP_LCD_InitEx(orientation);
}
