/**
* @brief Displays on TFT Images or error messages when error occurred.
* @param None
* @retval None
*/
static void TFT_DisplayImages(void)
{
uint32_t bmplen = 0x00;
uint32_t checkstatus = 0x00;
uint32_t filesnumbers = 0x00;
uint32_t joystickstatus = JOY_NONE;
uint32_t bmpcounter = 0x00;
DIR directory;
FRESULT res;
/* Initialize the Joystick available on adafruit 1.8" TFT shield */
BSP_JOY_Init();
/* Welcome message */
TFT_DisplayMenu();
/* Open directory */
res = f_opendir(&directory, "/");
if((res != FR_OK))
{
if(res == FR_NO_FILESYSTEM)
{
/* Display message: SD card not FAT formated */
TFT_DisplayErrorMessage(SD_CARD_NOT_FORMATTED);
}
else
{
/* Display message: Fail to open directory */
TFT_DisplayErrorMessage(SD_CARD_OPEN_FAIL);
}
}
/* Get number of bitmap files */
filesnumbers = Storage_GetDirectoryBitmapFiles ("/", pDirectoryFiles);
/* Set bitmap counter to display first image */
bmpcounter = 1;
while (1)
{
/* Get JoyStick status */
joystickstatus = BSP_JOY_GetState();
if(joystickstatus == JOY_SEL)
{
JoystickValue++;
if (JoystickValue > 2)
{
JoystickValue = 1;
}
joystickstatus = JOY_NONE;
}
/*## Display BMP pictures in Automatic mode ##############################*/
if(JoystickValue == 1)
{
sprintf((char*)str, "%-11.11s", pDirectoryFiles[bmpcounter -1]);
checkstatus = Storage_CheckBitmapFile((const char*)str, &bmplen);
if(checkstatus == 0)
{
/* Format the string */
checkstatus = Storage_OpenReadFile(POSITION_X_BITMAP, POSITION_Y_BITMAP, (const char*)str);
}
if (checkstatus == 1)
{
/* Display message: File not supported */
TFT_DisplayErrorMessage(SD_CARD_FILE_NOT_SUPPORTED);
}
bmpcounter++;
if(bmpcounter > filesnumbers)
{
bmpcounter = 1;
}
}
/*## Display BMP pictures in Manual mode #################################*/
if(JoystickValue == 2)
{
if(joystickstatus == JOY_RIGHT)
{
if((bmpcounter + 1) > filesnumbers)
{
bmpcounter = 1;
}
else
{
bmpcounter++;
}
sprintf ((char*)str, "%-11.11s", pDirectoryFiles[bmpcounter - 1]);
checkstatus = Storage_CheckBitmapFile((const char*)str, &bmplen);
if(checkstatus == 0)
{
/* Format the string */
Storage_OpenReadFile(POSITION_X_BITMAP, POSITION_Y_BITMAP, (const char*)str);
}
if(checkstatus == 1)
{
/* Display message: File not supported */
TFT_DisplayErrorMessage(SD_CARD_FILE_NOT_SUPPORTED);
}
joystickstatus = JOY_NONE;
JoystickValue = 2;
}
else if(joystickstatus == JOY_LEFT)
{
if((bmpcounter - 1) == 0)
{
bmpcounter = filesnumbers;
}
else
{
bmpcounter--;
}
sprintf ((char*)str, "%-11.11s", pDirectoryFiles[bmpcounter - 1]);
checkstatus = Storage_CheckBitmapFile((const char*)str, &bmplen);
if(checkstatus == 0)
{
/* Format the string */
Storage_OpenReadFile(POSITION_X_BITMAP, POSITION_Y_BITMAP, (const char*)str);
}
if (checkstatus == 1)
{
/* Display message: File not supported */
TFT_DisplayErrorMessage(SD_CARD_FILE_NOT_SUPPORTED);
}
joystickstatus = JOY_NONE;
JoystickValue = 2;
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t counter = 0, transparency = 0;
uint8_t str[30];
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f429_439xx.s) before to branch to application main.
*/
/* TAMPER button will be used */
STM_EVAL_PBInit(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/* SysTick end of count event each 10ms */
SysTick_Config(SystemCoreClock / 1000);
/* Configure LCD */
LCD_Config();
/* SD Card Configuration */
SDCard_Config();
/* Configure the File System */
FileSystem_Config();
/* Get the BMP file names on root directory */
ubNumberOfFiles = Storage_GetDirectoryBitmapFiles("/PICT", pDirectoryFiles);
if (ubNumberOfFiles == 0)
{
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
free(pDirectoryFiles[counter]);
}
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" No Bitmap files... ");
while(1)
{
}
}
while(1)
{
counter = 0;
while ((counter) < ubNumberOfFiles)
{
/* Step1 : Display on Foreground layer -------------------------------*/
/* Format the string */
sprintf ((char*)str, "PICT/%-11.11s", pDirectoryFiles[counter]);
if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Format the string */
sprintf ((char*)str, "PICT/%-11.11s", pDirectoryFiles[counter]);
/* Set LCD foreground Layer */
LCD_SetLayer(LCD_FOREGROUND_LAYER);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
LCD_WriteBMP(uwInternelBuffer);
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
LCD_SetTransparency(transparency);
/* Insert a delay of display */
Delay(5);
}
/* Wait for tamper button pressed */
while (STM_EVAL_PBGetState(BUTTON_TAMPER) == Bit_SET)
{
}
/* Configure the transparency for foreground layer : decrease the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
LCD_SetTransparency(transparency);
/* Insert a delay of display */
Delay(5);
}
/* Jump to the next image */
counter++;
/* Step2 : Display on Background layer -----------------------------*/
/* Format the string */
sprintf ((char*)str, "PICT/%-11.11s", pDirectoryFiles[counter]);
if ((Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0) || (counter < (ubNumberOfFiles)))
{
/* Connect the Output Buffer to LCD Background Layer */
LCD_SetLayer(LCD_BACKGROUND_LAYER);
/* Format the string */
sprintf ((char*)str, "PICT/%-11.11s", pDirectoryFiles[counter]);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
LCD_WriteBMP(uwInternelBuffer);
/* Configure the transparency for background layer : decrease the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
LCD_SetTransparency(transparency);
/* Insert a delay of display */
Delay(5);
}
/* wait for tamper button pressed */
while (STM_EVAL_PBGetState(BUTTON_TAMPER) == Bit_SET)
{
}
/* Step3 : -------------------------------------------------------*/
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
LCD_SetTransparency(transparency);
/* Insert a delay of display */
Delay(5);
}
counter++;
}
else if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_7, (uint8_t *) str);
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uwInternelBuffer = (uint8_t *)0xC0260000;
uint32_t counter = 0;
uint8_t str[30];
/* 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 LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure LCD ######################################################*/
LCD_Config();
/*##-2- Link the SD Card disk I/O driver ###################################*/
if(FATFS_LinkDriver(&SD_Driver, SD_Path) != 0)
{
Error_Handler();
}
else
{
/*##-3- Initialize the Directory Files pointers (heap) ###################*/
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
pDirectoryFiles[counter] = malloc(MAX_BMP_FILE_NAME);
if(pDirectoryFiles[counter] == NULL)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" Cannot allocate memory ");
while(1)
{
}
}
}
/*##-4- Display Background picture #######################################*/
/* Select Background Layer */
BSP_LCD_SelectLayer(0);
/* Register the file system object to the FatFs module */
if(f_mount(&SD_FatFs, (TCHAR const*)SD_Path, 0) != FR_OK)
{
/* FatFs Initialization Error */
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" FatFs Initialization Error ");
}
else
{
/* Open directory */
if (f_opendir(&directory, (TCHAR const*)"/BACK") != FR_OK)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" Open directory.. fails");
while(1)
{
}
}
}
if (Storage_CheckBitmapFile("BACK/image.bmp", &uwBmplen) == 0)
{
/* Format the string */
Storage_OpenReadFile(uwInternelBuffer, "BACK/image.bmp");
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternelBuffer);
}
else
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
/*##-5- Display Foreground picture #######################################*/
/* Select Foreground Layer */
BSP_LCD_SelectLayer(1);
/* Decrease the foreground transprency */
BSP_LCD_SetTransparency(1, 200);
/* Get the BMP file names on root directory */
ubNumberOfFiles = Storage_GetDirectoryBitmapFiles("/TOP", pDirectoryFiles);
if (ubNumberOfFiles == 0)
{
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
free(pDirectoryFiles[counter]);
}
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" No Bitmap files... ");
while(1)
{
}
}
}
/* Infinite loop */
while(1)
{
counter = 0;
while (counter < ubNumberOfFiles)
{
/* Format the string */
sprintf ((char*)str, "TOP/%-11.11s", pDirectoryFiles[counter]);
if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Format the string */
sprintf ((char*)str, "TOP/%-11.11s", pDirectoryFiles[counter]);
/* Open a file and copy its content to a buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
HAL_Delay(100);
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternelBuffer);
/* Jump to next image */
counter++;
}
else
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(7, (uint8_t *) str);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t counter = 0;
uint8_t str[30];
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f429_439xx.s) before to branch to application main.
*/
/* Example resources configuration -----------------------------------------*/
/* Configure LCD */
LCD_Config();
/* Configure SD Card */
SDCard_Config();
/* Configure the File System */
FileSystem_Config();
/* Display Background picture ----------------------------------------------*/
/* Set Background Layer */
LCD_SetLayer(LCD_BACKGROUND_LAYER);
/* Open directory */
if (f_opendir(&directory, "/BACK") != FR_OK)
{
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" Open directory.. fails");
while(1)
{
}
}
if (Storage_CheckBitmapFile("BACK/image.bmp", &uwBmplen) == 0)
{
/* Format the string */
Storage_OpenReadFile(uwInternelBuffer, "BACK/image.bmp");
/* Write bmp file on LCD frame buffer */
LCD_WriteBMP(uwInternelBuffer);
}
else
{
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
/* Display Foreground pictures ---------------------------------------------*/
/* Set Foreground Layer */
LCD_SetLayer(LCD_FOREGROUND_LAYER);
/* Decrease the foreground transprency */
LCD_SetTransparency(200);
/* Get the BMP file names on root directory */
ubNumberOfFiles = Storage_GetDirectoryBitmapFiles("/TOP", pDirectoryFiles);
if (ubNumberOfFiles == 0)
{
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
free(pDirectoryFiles[counter]);
}
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" No Bitmap files... ");
while(1)
{
}
}
while(1)
{
counter = 0;
while (counter < ubNumberOfFiles)
{
/* Format the string */
sprintf ((char*)str, "TOP/%-11.11s", pDirectoryFiles[counter]);
if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Format the string */
sprintf ((char*)str, "TOP/%-11.11s", pDirectoryFiles[counter]);
/* Open a file and copy its content to a buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
LCD_WriteBMP(uwInternelBuffer);
/* jump to next image */
counter++;
}
else
{
/* Set the Text Color */
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LCD_LINE_7, (uint8_t *) str);
LCD_DisplayStringLine(LCD_LINE_8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t counter = 0, transparency = 0;
uint8_t str[30];
uwInternelBuffer = (uint8_t *)0xC0260000;
/* 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 LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure LCD ######################################################*/
LCD_Config();
/* Configure TAMPER Button */
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
BSP_SD_Init();
while(BSP_SD_IsDetected() != SD_PRESENT)
{
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" Please insert SD Card ");
}
BSP_LCD_Clear(LCD_COLOR_BLACK);
/*##-2- Link the SD Card disk I/O driver ###################################*/
if(FATFS_LinkDriver(&SD_Driver, SD_Path) == 0)
{
/*##-3- Initialize the Directory Files pointers (heap) ###################*/
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
pDirectoryFiles[counter] = malloc(MAX_BMP_FILE_NAME);
if(pDirectoryFiles[counter] == NULL)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" Cannot allocate memory ");
while(1)
{
}
}
}
/* Get the BMP file names on root directory */
ubNumberOfFiles = Storage_GetDirectoryBitmapFiles("/Media", pDirectoryFiles);
if (ubNumberOfFiles == 0)
{
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
free(pDirectoryFiles[counter]);
}
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" No Bitmap files... ");
while(1)
{
}
}
}
else
{
/* FatFs Initialization Error */
Error_Handler();
}
while(1)
{
counter = 0;
while ((counter) < ubNumberOfFiles)
{
/* Step1 : Display on Foreground layer -------------------------------*/
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
/* Set LCD foreground Layer */
BSP_LCD_SelectLayer(1);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternelBuffer);
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
BSP_LCD_SetTransparency(1, transparency);
/* Insert a delay of display */
HAL_Delay(2);
}
/* Wait for tamper button pressed */
while (BSP_PB_GetState(BUTTON_TAMPER) == RESET)
{
}
/* Configure the transparency for foreground layer : decrease the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
BSP_LCD_SetTransparency(1, transparency);
/* Insert a delay of display */
HAL_Delay(2);
}
/* Clear the Foreground Layer */
BSP_LCD_Clear(LCD_COLOR_BLACK);
/* Jump to the next image */
counter++;
/* Step2 : Display on Background layer -----------------------------*/
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
if ((Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0) || (counter < (ubNumberOfFiles)))
{
/* Connect the Output Buffer to LCD Background Layer */
BSP_LCD_SelectLayer(0);
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternelBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternelBuffer);
/* Configure the transparency for background layer : decrease the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
BSP_LCD_SetTransparency(0, transparency);
/* Insert a delay of display */
HAL_Delay(2);
}
/* wait for tamper button pressed */
while (BSP_PB_GetState(BUTTON_TAMPER) == RESET)
{
}
/* Step3 : -------------------------------------------------------*/
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
BSP_LCD_SetTransparency(0, transparency);
/* Insert a delay of display */
HAL_Delay(2);
}
/* Clear the Background Layer */
BSP_LCD_Clear(LCD_COLOR_BLACK);
counter++;
}
else if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(7, (uint8_t *) str);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" File type not supported. ");
while(1)
{
}
}
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t counter = 0, transparency = 0;
uint8_t str[30];
uwInternalBuffer = (uint8_t *)INTERNAL_BUFFER_START_ADDRESS;
/* 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 200 MHz */
SystemClock_Config();
/* Configure LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure LCD ######################################################*/
LCD_Config();
/*##-2- Link the SD Card disk I/O driver ###################################*/
if(FATFS_LinkDriver(&SD_Driver, SD_Path) == 0)
{
/*##-3- Initialize the Directory Files pointers (heap) ###################*/
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
pDirectoryFiles[counter] = malloc(MAX_BMP_FILE_NAME);
if(pDirectoryFiles[counter] == NULL)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" Cannot allocate memory ");
while(1) { ; }
}
}
/* Get the BMP file names on root directory */
ubNumberOfFiles = Storage_GetDirectoryBitmapFiles("/Media", pDirectoryFiles);
if (ubNumberOfFiles == 0)
{
for (counter = 0; counter < MAX_BMP_FILES; counter++)
{
free(pDirectoryFiles[counter]);
}
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" No Bitmap files... ");
while(1) { ; }
}
}
else
{
/* FatFs Initialization Error */
Error_Handler();
}
/* Main infinite loop */
while(1)
{
counter = 0;
while ((counter) < ubNumberOfFiles)
{
/* Step1 : Display on Foreground layer -------------------------------*/
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
/* Set LCD foreground Layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_FOREGROUND);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternalBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternalBuffer);
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
BSP_LCD_SetTransparency(LTDC_ACTIVE_LAYER_FOREGROUND, transparency);
/* Insert a delay of display */
HAL_Delay(10);
}
/* Configure the transparency for foreground layer : decrease the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
BSP_LCD_SetTransparency(LTDC_ACTIVE_LAYER_FOREGROUND, transparency);
/* Insert a delay of display */
HAL_Delay(10);
}
HAL_Delay(1000);
/* Clear the Foreground Layer */
BSP_LCD_Clear(LCD_COLOR_BLACK);
/* Jump to the next image */
counter++;
/* Step2 : Display on Background layer -----------------------------*/
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
if ((Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0) || (counter < (ubNumberOfFiles)))
{
/* Connect the Output Buffer to LCD Background Layer */
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER_BACKGROUND);
/* Format the string */
sprintf ((char*)str, "Media/%-11.11s", pDirectoryFiles[counter]);
/* Open a file and copy its content to an internal buffer */
Storage_OpenReadFile(uwInternalBuffer, (const char*)str);
/* Write bmp file on LCD frame buffer */
BSP_LCD_DrawBitmap(0, 0, uwInternalBuffer);
/* Configure the transparency for background layer : decrease the transparency */
for (transparency = 0; transparency < 255; (transparency++))
{
BSP_LCD_SetTransparency(LTDC_ACTIVE_LAYER_BACKGROUND, transparency);
/* Insert a delay of display */
HAL_Delay(10);
}
HAL_Delay(1000);
/* Step3 : -------------------------------------------------------*/
/* Configure the transparency for background layer : Increase the transparency */
for (transparency = 255; transparency > 0; transparency--)
{
BSP_LCD_SetTransparency(LTDC_ACTIVE_LAYER_BACKGROUND, transparency);
/* Insert a delay of display */
HAL_Delay(10);
}
HAL_Delay(1000);
/* Clear the Background Layer */
BSP_LCD_Clear(LCD_COLOR_BLACK);
counter++;
}
else if (Storage_CheckBitmapFile((const char*)str, &uwBmplen) == 0)
{
/* Set the Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAtLine(7, (uint8_t *) str);
BSP_LCD_DisplayStringAtLine(8, (uint8_t*)" File type not supported. ");
while(1) { ; }
}
}
}
}
}