/**
* @brief LCD configuration.
* @param None
* @retval None
*/
static void LCD_Config(void)
{
/* LCD Initialization */
BSP_LCD_Init();
/* 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);
}
/**
* @brief LCD configuration.
* @param None
* @retval None
*/
static void LCD_Config(void)
{
uint8_t lcd_status = LCD_OK;
/* LCD DSI initialization in mode Video Burst */
lcd_status = LCD_Init();
if(lcd_status != LCD_OK)
{
Error_Handler();
}
/* Activate foreground and background layers */
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_BACKGROUND, LCD_BG_LAYER_ADDRESS);
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER_FOREGROUND, LCD_FG_LAYER_ADDRESS);
/* Set LCD Background Layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_BACKGROUND);
/* Clear the Background Layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set LCD Foreground Layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_FOREGROUND);
/* 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(LTDC_ACTIVE_LAYER_FOREGROUND, 100);
}
/**
* @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);
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* 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 168 MHz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- LCD Initialization #################################################*/
/* Initialize the LCD */
BSP_LCD_Init();
/* 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);
/* Enable the color Key for foreground layer */
BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Background Layer Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER_LAYER0);
/* Set Foreground Layer */
BSP_LCD_SelectLayer(0);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Clear the LCD Background layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-2- Touch screen initialization ########################################*/
Touchscreen_Calibration();
/*##-3- USB Initialization #################################################*/
/* Init Host Library */
if (USBH_Init(&hUSB_Host, USBH_UserProcess, 0) != USBH_OK)
{
/* USB Initialization Error */
Error_Handler();
}
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
if (USBH_Start(&hUSB_Host) != USBH_OK)
{
/* USB Initialization Error */
Error_Handler();
}
/*##-4- Link the USB Mass Storage disk I/O driver ##########################*/
if(FATFS_LinkDriver(&USBH_Driver, USB_Path) != 0)
{
/* FatFs Initialization Error */
Error_Handler();
}
/*##-5- Register the file system object to the FatFs module ################*/
if(f_mount(&USBDISK_FatFs, (TCHAR const*)USB_Path, 0) != FR_OK)
{
/* FatFs Initialization Error */
Error_Handler();
}
/*##-6- Draw the menu ######################################################*/
Draw_Menu();
/* Infinite loop */
while (1)
{
/*##-7- Configure the touch screen and Get the position ##################*/
GetPosition();
USBH_Process(&hUSB_Host);
}
}
/**
* @brief Save the picture in USB Disk.
* @param None
* @retval None
*/
void Save_Picture(void)
{
FRESULT res1, res2; /* FatFs function common result code */
uint32_t byteswritten; /* File write count */
BSP_LCD_SetLayerVisible(1, ENABLE);
BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
/* Set foreground Layer */
BSP_LCD_SelectLayer(1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKRED);
BSP_LCD_SetFont(&Font20);
/* Turn LED1 and LED3 Off */
BSP_LED_Off(LED1);
BSP_LED_Off(LED3);
if (Appli_state == APPLICATION_RUNNIG)
{
BSP_LCD_DisplayStringAt(10, (BSP_LCD_GetYSize()-100), (uint8_t *)"Saving ... ", RIGHT_MODE);
/*##-1- Prepare the image to be saved ####################################*/
Prepare_Picture();
/*##-2- Create and Open a new bmp file object with write access ##########*/
if(f_open(&MyFile, "image.bmp", FA_CREATE_ALWAYS | FA_WRITE) != FR_OK)
{
/* 'image.bmp' file Open for write Error */
Error_Handler();
}
else
{
/*##-3- Write data to the BMP file #####################################*/
/* Write the BMP header */
if (BSP_LCD_GetXSize() == 640)
{
/* if ampire 640x480 LCD is used */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader1, 54, (void *)&byteswritten);
}
else
{
/* if ampire 480x272 LCD is used */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader2, 54, (void *)&byteswritten);
}
/* Write the bmp file */
res2 = f_write(&MyFile, (uint32_t *)CONVERTED_FRAME_BUFFER, ((BSP_LCD_GetYSize()-60)*(BSP_LCD_GetXSize()-60)*3), (void *)&byteswritten);
if((res1 != FR_OK) || (res2 != FR_OK) || (byteswritten == 0))
{
/* 'image' file Write or EOF Error */
BSP_LED_On(LED3);
BSP_LCD_DisplayStringAt(10, (BSP_LCD_GetYSize()-100), (uint8_t *)" Aborted...", RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
/* Disable the Layer 2 */
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Select Layer 1 */
BSP_LCD_SelectLayer(0);
}
else
{
/*##-4- Close the open text file #####################################*/
f_close(&MyFile);
/* Success of the demo: no error occurrence */
BSP_LED_On(LED1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKGREEN);
BSP_LCD_DisplayStringAt(10, (BSP_LCD_GetYSize()-100), (uint8_t *)" Saved ", RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
/* Disable the Layer 2 */
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Select Layer 1 */
BSP_LCD_SelectLayer(0);
}
}
}
else
{
/* USB not connected */
BSP_LCD_DisplayStringAt(10, (BSP_LCD_GetYSize()-100), (uint8_t *)"USB KO... ", RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
/* Disable the Layer 2 */
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Select Layer 1 */
BSP_LCD_SelectLayer(0);
}
}
/**
* @brief Saves Picture into USB disk.
* @param None
* @retval None
*/
static void SavePicture(void)
{
FRESULT res1, res2; /* FatFs function common result code */
uint32_t byteswritten; /* File write count */
static uint32_t counter = 0;
uint8_t str[30];
/* Suspend the camera capture */
BSP_CAMERA_Suspend();
/* Prepare the image to be saved */
PicturePrepare();
/* Set foreground Layer */
BSP_LCD_SetLayerVisible(1, ENABLE);
BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
BSP_LCD_SelectLayer(1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKRED);
BSP_LCD_SetFont(&Font24);
/* Format the string */
sprintf((char *)str,"image_%d.bmp", (int)counter);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Saving ..", RIGHT_MODE);
/* Create and Open a new text file object with write access */
if(f_open(&MyFile, (const char*)str, FA_CREATE_ALWAYS | FA_WRITE) != FR_OK)
{
Error_Handler();
}
else
{
/* Write data to the BMP file */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader, 54, (void *)&byteswritten);
res2 = f_write(&MyFile, (uint32_t *)CONVERTED_FRAME_BUFFER, (BSP_LCD_GetXSize()*BSP_LCD_GetYSize()*3), (void *)&byteswritten);
if((res1 != FR_OK) || (res2 != FR_OK) || (byteswritten == 0))
{
Error_Handler();
}
else
{
/* Close the open BMP file */
f_close(&MyFile);
/* Success of the demo: no error occurrence */
BSP_LED_On(LED1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKGREEN);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-24), (uint8_t *)" Saved ", RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
/* Disable the Layer 2 */
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Select Layer 1 */
BSP_LCD_SelectLayer(0);
counter++;
BSP_LED_Off(LED1);
/* Resume the camera capture */
BSP_CAMERA_Resume();
}
}
}
/**
* @brief Saves Picture into USB disk.
* @param None
* @retval None
*/
static void SavePicture(void)
{
FRESULT res1, res2; /* FatFs function common result code */
uint32_t byteswritten; /* File write count */
static uint32_t counter = 0;
uint8_t str[30];
uint8_t str_display[50];
/* Suspend the camera capture */
BSP_CAMERA_Suspend();
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)"Camera stopped...", RIGHT_MODE);
/* Prepare the image to be saved */
PicturePrepare();
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" Picture Prepared...", RIGHT_MODE);
HAL_Delay(1000);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
/* Set foreground Layer as visible */
BSP_LCD_SetLayerVisible(LTDC_ACTIVE_LAYER_FOREGROUND, ENABLE);
BSP_LCD_SetColorKeying(LTDC_ACTIVE_LAYER_FOREGROUND, LCD_COLOR_WHITE);
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_FOREGROUND);
BSP_LCD_SetTextColor(LCD_COLOR_DARKRED);
BSP_LCD_SetFont(&Font24);
/* Format the string */
sprintf((char *)str,"image_%d.bmp", (int)counter);
sprintf((char *)str_display," Saving picture in file %s ..", str);
/* Display text on LTDC layer foreground */
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), str_display, RIGHT_MODE);
/* Create and Open a new text file object with write access */
if(f_open(&MyFile, (const char*)str, FA_CREATE_ALWAYS | FA_WRITE) != FR_OK)
{
Error_Handler();
}
else
{
/* Write data to the BMP file */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader, 54, (void *)&byteswritten);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" Header BMP written...", RIGHT_MODE);
HAL_Delay(1000);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" BMP pixel data save ongoing...", RIGHT_MODE);
res2 = f_write(&MyFile, (uint8_t *)p_bmp_converted_pixel_data,
(CameraResX * CameraResY * RGB888_BYTE_PER_PIXEL),
(void *)&byteswritten);
if((res1 != FR_OK) || (res2 != FR_OK) || (byteswritten == 0))
{
Error_Handler();
}
else
{
/* Close the open BMP file */
f_close(&MyFile);
/* Success of the demo: no error occurrence */
BSP_LED_On(LED1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKGREEN);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
sprintf((char *)str_display,"File %s saved on USB disk ..", str);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-24), str_display, RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize() - 24), (uint8_t *)" ", RIGHT_MODE);
/* Disable the Layer Foreground */
BSP_LCD_SetLayerVisible(LTDC_ACTIVE_LAYER_FOREGROUND, DISABLE);
/* Select Layer Background */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_BACKGROUND);
counter++;
BSP_LED_Off(LED1);
/* Resume the camera capture */
BSP_CAMERA_Resume();
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-24), (uint8_t *)"Camera Play ", RIGHT_MODE);
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* 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 175 Mhz */
SystemClock_Config();
/* Configure LED1 and LED3 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/*##-1- LCD Initialization #################################################*/
/* Initialize the LCD */
BSP_LCD_Init();
/* 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);
/* Enable the color Key for foreground layer */
BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Background Layer Initialization */
BSP_LCD_LayerDefaultInit(0, LCD_FRAME_BUFFER_LAYER0);
/* Set Foreground Layer */
BSP_LCD_SelectLayer(0);
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* Clear the LCD Background layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/*##-2- Touch screen initialization ########################################*/
Touchscreen_Calibration();
BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize());
/*##-3- Link the SD Card disk I/O driver ###################################*/
if(FATFS_LinkDriver(&SD_Driver, SDPath) != 0)
{
/* FatFs Initialization Error */
Error_Handler();
}
/* Create a FAT file system (format) on the logical drive */
f_mkfs((TCHAR const*)SDPath, 0, 0);
/*##-4- Register the file system object to the FatFs module ################*/
if(f_mount(&SDFatFs, (TCHAR const*)SDPath, 0) != FR_OK)
{
/* FatFs Initialization Error */
Error_Handler();
}
/*##-5- Draw the menu ######################################################*/
Draw_Menu();
while (1)
{
/*##-6- Configure the touch screen and Get the position ####################*/
GetPosition();
}
}
/**
* @brief Saves the picture in microSD.
* @param None
* @retval None
*/
void Save_Picture(void)
{
FRESULT res1, res2; /* FatFs function common result code */
uint32_t byteswritten = 0; /* File write count */
static uint32_t counter = 0;
uint8_t str[30];
BSP_LCD_SetLayerVisible(1, ENABLE);
BSP_LCD_SetColorKeying(1, LCD_COLOR_WHITE);
/* Set foreground Layer */
BSP_LCD_SelectLayer(1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKRED);
BSP_LCD_SetFont(&Font24);
/* Initialize IOE */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-125), (uint8_t *)"SD Not Connected", RIGHT_MODE);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-100), (uint8_t *)"Please inser SDCard", RIGHT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-100), (uint8_t *)"Saving ..", RIGHT_MODE);
/* Format the string */
sprintf((char *)str,"image_%d.bmp", (int)counter);
/*##-1- Prepare the image to be saved ######################################*/
Prepare_Picture();
/*##-2- Create and Open a new bmp file object with write access ##########*/
if(f_open(&MyFile, (const char*)str, FA_CREATE_ALWAYS | FA_WRITE) != FR_OK)
{
/* 'image.bmp' file Open for write Error */
Error_Handler();
}
else
{
/*##-3- Write data to the BMP file #####################################*/
/* Write the BMP header */
if (BSP_LCD_GetXSize() == 640)
{
/* if ampire 640x480 LCD is used */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader1, 54, (void *)&byteswritten);
}
else
{
/* if ampire 480x272 LCD is used */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader2, 54, (void *)&byteswritten);
}
/* Write the bmp file */
res2 = f_write(&MyFile, (uint32_t *)CONVERTED_FRAME_BUFFER, ((BSP_LCD_GetYSize()-60)*(BSP_LCD_GetXSize()-60)*3), (void *)&byteswritten);
if((res1 != FR_OK) || (res2 != FR_OK) || (byteswritten == 0))
{
/* 'image' file Write or EOF Error */
Error_Handler();
}
else
{
/*##-4- Close the open bmp file ######################################*/
f_close(&MyFile);
/* Success of the demo: no error occurrence */
BSP_LED_On(LED1);
BSP_LCD_SetTextColor(LCD_COLOR_DARKGREEN);
BSP_LCD_DisplayStringAt(20, (BSP_LCD_GetYSize()-100), (uint8_t *)" Saved ", RIGHT_MODE);
/* Select Layer 1 */
BSP_LED_Off(LED1);
counter++;
}
}
}
/* Wait for 2s */
HAL_Delay(2000);
/* Disable the Layer 2 */
BSP_LCD_SetLayerVisible(1, DISABLE);
/* Clear the LCD Foreground layer */
BSP_LCD_Clear(LCD_COLOR_WHITE);
BSP_LCD_SelectLayer(0);
}
void LCD_DISCO_F469NI::SetColorKeying(uint32_t LayerIndex, uint32_t RGBValue)
{
BSP_LCD_SetColorKeying(LayerIndex, RGBValue);
}
