/**
* @brief Storage drives initialization
* @param None
* @retval None
*/
void k_StorageInit(void)
{
/* Link the USB Host disk I/O driver */
FATFS_LinkDriver(&USBH_Driver, USBDISK_Drive);
/* Link the micro SD disk I/O driver */
FATFS_LinkDriver(&SD_Driver, mSDDISK_Drive);
/* Create USB background task */
osThreadDef(STORAGE_Thread, StorageThread, osPriorityBelowNormal, 0, 2 * configMINIMAL_STACK_SIZE);
osThreadCreate (osThread(STORAGE_Thread), NULL);
/* Create Storage Message Queue */
osMessageQDef(osqueue, 10, uint16_t);
StorageEvent = osMessageCreate (osMessageQ(osqueue), NULL);
/* Init Host Library */
USBH_Init(&hUSB_Host, USBH_UserProcess, 0);
/* Add Supported Class */
USBH_RegisterClass(&hUSB_Host, USBH_MSC_CLASS);
/* Start Host Process */
USBH_Start(&hUSB_Host);
/* Enable SD Interrupt mode */
BSP_SD_Init();
BSP_SD_ITConfig();
if(BSP_SD_IsDetected())
{
osMessagePut ( StorageEvent, MSDDISK_CONNECTION_EVENT, 0);
}
}
/**
* @brief Initializes the SD Storage.
* @param None
* @retval Status
*/
uint8_t SD_StorageInit(void)
{
/*Initializes the SD card device*/
BSP_SD_Init();
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() == SD_PRESENT )
{
/* Link the SD Card disk I/O driver */
if(FATFS_LinkDriver(&SD_Driver, SD_Path) == 0)
{
if((f_mount(&SD_FatFs, (TCHAR const*)SD_Path, 0) != FR_OK))
{
/* FatFs Initialization Error */
LCD_ErrLog("Cannot Initialize FatFs! \n");
return 1;
}
else
{
LCD_DbgLog ("INFO : FatFs Initialized! \n");
}
}
}
else
{
LCD_ErrLog("SD card NOT plugged \n");
return 1;
}
return 0;
}
/**
* @brief Starts Audio streaming.
* @param idx: File index
* @retval Audio error
*/
AUDIO_ErrorTypeDef AUDIO_Start(uint8_t idx)
{
uint32_t bytesread;
if((FileList.ptr > idx) && (BSP_SD_IsDetected()))
{
f_close(&wav_file);
AUDIO_GetFileInfo(idx, &wav_info);
audio_state = AUDIO_STATE_CONFIG;
/* Set Frequency */
USBH_AUDIO_SetFrequency(&hUSBHost,
wav_info.SampleRate,
wav_info.NbrChannels,
wav_info.BitPerSample);
/* Fill whole buffer at first time */
if(f_read(&wav_file,
&buffer_ctl.buff[0],
AUDIO_BLOCK_SIZE * AUDIO_BLOCK_NBR,
(void *)&bytesread) == FR_OK)
{
if(bytesread != 0)
{
return AUDIO_ERROR_NONE;
}
}
buffer_ctl.in_ptr = 0;
}
return AUDIO_ERROR_IO;
}
/**
* @brief EXTI line detection callbacks.
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin==SD_DETECT_PIN)
{
/* Check SD card detect pin */
BSP_SD_IsDetected();
}
}
/**
* @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];
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
Error_Handler();
}
else
{
/* Format the string */
sprintf((char *)str, "image_%lu.bmp", 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 */
res1 = f_write(&MyFile, (uint32_t *)aBMPHeader, 54, (void *)&byteswritten);
/* Write the BMP file */
res2 = f_write(&MyFile, (uint32_t *)CONVERTED_FRAME_BUFFER, ((BSP_LCD_GetYSize() - 80)*(BSP_LCD_GetXSize() - 80)*2), (void *)&byteswritten);
if((res1 != FR_OK) || (res2 != FR_OK) || (byteswritten == 0))
{
/* 'image.bmp' 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);
/* Wait for 2s */
HAL_Delay(2000);
/* Select Layer 1 */
BSP_LED_Off(LED1);
counter++;
}
}
}
}
/**
* @brief Configures Interrupt mode for SD detection pin.
* @retval Returns 0
*/
uint8_t BSP_SD_ITConfig(void)
{
/* Configure Interrupt mode for SD detection pin */
/* Note: disabling exti mode can be done calling SD_DeInit() */
UseExtiModeDetection = 1;
BSP_SD_IsDetected();
return 0;
}
/**
* @brief SD detect callback
* @param None
* @retval None
*/
void BSP_SD_DetectCallback(void)
{
if(BSP_SD_IsDetected())
{
osMessagePut ( StorageEvent, MSDDISK_CONNECTION_EVENT, 0);
}
else
{
osMessagePut ( StorageEvent, MSDDISK_DISCONNECTION_EVENT, 0);
}
}
/**
* @brief Writes data into the medium.
* @param lun: Logical unit number
* @param blk_addr: Logical block address
* @param blk_len: Blocks number
* @retval Status (0 : Ok / -1 : Error)
*/
int8_t STORAGE_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len)
{
int8_t ret = -1;
if(BSP_SD_IsDetected() != SD_NOT_PRESENT)
{
BSP_SD_WriteBlocks_DMA((uint32_t *)buf, blk_addr * STORAGE_BLK_SIZ, STORAGE_BLK_SIZ, blk_len);
ret = 0;
}
return ret;
}
/**
* @brief SD detect callback
* @param None
* @retval None
*/
void BSP_SD_DetectCallback(void)
{
if((BSP_SD_IsDetected()))
{
/* After sd disconnection, a SD Init is required */
BSP_SD_Init();
osMessagePut ( StorageEvent, MSDDISK_CONNECTION_EVENT, 0);
}
else
{
osMessagePut ( StorageEvent, MSDDISK_DISCONNECTION_EVENT, 0);
}
}
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t sd_state = MSD_OK;
/* PLLSAI is dedicated to LCD periph. Do not use it to get 48MHz*/
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_ENABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Configure IO functionalities for SD detect pin */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
BSP_IO_ConfigPin(SD_DETECT_PIN, IO_MODE_INPUT_PU);
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(sd_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
sd_state = MSD_ERROR;
}
else
{
sd_state = MSD_OK;
}
}
return sd_state;
}
/**
* @brief Returns the medium capacity.
* @param lun: Logical unit number
* @param block_num: Number of total block number
* @param block_size: Block size
* @retval Status (0: Ok / -1: Error)
*/
int8_t STORAGE_GetCapacity(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
{
HAL_SD_CardInfoTypedef info;
int8_t ret = -1;
if(BSP_SD_IsDetected() != SD_NOT_PRESENT)
{
BSP_SD_GetCardInfo(&info);
*block_num = (info.CardCapacity)/STORAGE_BLK_SIZ - 1;
*block_size = STORAGE_BLK_SIZ;
ret = 0;
}
return ret;
}
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t sd_state = MSD_OK;
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_ENABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Msp SD Detect pin initialization */
BSP_SD_Detect_MspInit(&uSdHandle, NULL);
/* Check if SD card is present */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(sd_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
sd_state = MSD_ERROR;
}
else
{
sd_state = MSD_OK;
}
}
return sd_state;
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status.
*/
uint8_t BSP_SD_Init(void)
{
uint8_t SD_state = MSD_OK;
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Configure IO functionalities for SD detect pin */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR;
}
/* HAL SD initialization */
SD_MspInit();
if(HAL_SD_Init(&uSdHandle, &SD_CardInfo) != SD_OK)
{
SD_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(SD_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
SD_state = MSD_ERROR;
}
else
{
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief EXTI line detection callbacks.
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == MFX_IRQOUT_PIN)
{
if(BSP_SD_IsDetected())
{
if(CAMERA_Configured == 0)
{
BSP_SD_Init();
}
osMessagePut ( StorageEvent, MSDDISK_CONNECTION_EVENT, 0);
}
else
{
osMessagePut ( StorageEvent, MSDDISK_DISCONNECTION_EVENT, 0);
}
}
}
/**
* @brief Initializes the SD/SD communication.
* @param None
* @retval The SD Response:
* - MSD_ERROR : Sequence failed
* - MSD_OK : Sequence succeed
*/
uint8_t BSP_SD_Init(void)
{
/* Configure IO functionalities for SD pin */
SD_IO_Init();
/* Check SD card detect pin */
if(BSP_SD_IsDetected()==SD_NOT_PRESENT)
{
SdStatus = SD_NOT_PRESENT;
return MSD_ERROR;
}
else
{
SdStatus = SD_PRESENT;
}
/* SD initialized and set to SPI mode properly */
return (SD_GoIdleState());
}
/**
* @brief SD Demo exti detection
* @param None
* @retval None
*/
void SD_exti_demo (void)
{
uint32_t ITstatus = 0;
SD_main_test();
if(BSP_SD_IsDetected() != SD_PRESENT)
{
BSP_SD_Init();
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
}
BSP_SD_ITConfig();
while (1)
{
if (MfxExtiReceived == 1)
{
MfxExtiReceived = 0;
ITstatus = BSP_IO_ITGetStatus(SD_DETECT_PIN);
if (ITstatus)
{
SD_Detection();
}
BSP_IO_ITClear();
}
if(CheckForUserInput() > 0)
{
BSP_SD_DeInit();
return;
}
}
}
/**
* @brief SD_Detection checks detection and writes msg on display
* @param None
* @retval None
*/
void SD_Detection(void)
{
static uint8_t prev_status = 2;
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
if(prev_status != SD_NOT_PRESENT)
{
//BSP_SD_Init();
prev_status = SD_NOT_PRESENT;
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
}
else if (prev_status != SD_PRESENT)
{
prev_status = SD_PRESENT;
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
}
}
/**
* @brief Shows audio file (*.wav) on the root
* @param None
* @retval None
*/
static uint8_t Audio_ShowWavFiles(void)
{
uint8_t i;
uint8_t line_idx = 0;
if((FileList.ptr > 0) && (BSP_SD_IsDetected()))
{
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_UsrLog("audio file(s) [ROOT]:\n\n");
for( i = 0; i < FileList.ptr; i++)
{
line_idx++;
if(line_idx > 9)
{
line_idx = 0;
LCD_UsrLog("> Press [Key] To Continue.\n");
/* KEY Button in polling */
while(BSP_PB_GetState(BUTTON_KEY) != RESET)
{
/* Wait for User Input */
}
}
LCD_DbgLog(" |__");
LCD_DbgLog((char *)FileList.file[i].name);
LCD_DbgLog("\n");
}
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
LCD_UsrLog("\nEnd of files list.\n");
return 0;
}
else
{
return 1;
}
}
/**
* @brief Checks whether the medium is ready.
* @param lun: Logical unit number
* @retval Status (0: Ok / -1: Error)
*/
int8_t STORAGE_IsReady(uint8_t lun)
{
static int8_t prev_status = 0;
int8_t ret = -1;
if(BSP_SD_IsDetected() != SD_NOT_PRESENT)
{
if(prev_status < 0)
{
BSP_SD_Init();
prev_status = 0;
}
if(BSP_SD_GetStatus() == SD_TRANSFER_OK)
{
ret = 0;
}
}
else if(prev_status == 0)
{
prev_status = -1;
}
return ret;
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t SD_state = MSD_OK;
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR;
}
SD_state = HAL_SD_Init(&hsd, &SDCardInfo);
#ifdef BUS_4BITS
if (SD_state == MSD_OK)
{
if (HAL_SD_WideBusOperation_Config(&hsd, SDIO_BUS_WIDE_4B) != SD_OK)
{
SD_state = MSD_ERROR;
}
else
{
SD_state = MSD_OK;
}
}
#endif
return SD_state;
}
/**
* @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 SD Demo
* @param None
* @retval None
*/
void SD_demo (void)
{
uint8_t SD_state = SD_RESPONSE_NO_ERROR;
__IO uint8_t prev_status = 0;
SD_SetHint();
SD_state = BSP_SD_Init();
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() == SD_PRESENT)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
if(SD_state != SD_RESPONSE_NO_ERROR)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD INITIALIZATION : FAIL.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD INITIALIZATION : OK.", LEFT_MODE);
SD_state = BSP_SD_GetCardInfo(&CardInfo);
if(SD_state != SD_RESPONSE_NO_ERROR)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD GET CARD INFO : FAIL.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD GET CARD INFO : OK.", LEFT_MODE);
SD_state = BSP_SD_Erase(BLOCK_START_ADDR, (BLOCKSIZE * NUM_OF_BLOCKS));
/* Verify that SD card is ready to use after the Erase */
SD_state |= BSP_SD_GetStatus();
if(SD_state != SD_RESPONSE_NO_ERROR)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD ERASE : OK.", LEFT_MODE);
/* Fill the buffer to write */
Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
SD_state = BSP_SD_WriteBlocks((uint32_t *)aTxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS);
if(SD_state != SD_RESPONSE_NO_ERROR)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD WRITE : OK.", LEFT_MODE);
SD_state = BSP_SD_ReadBlocks((uint32_t *)aRxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS);
if(SD_state != SD_RESPONSE_NO_ERROR)
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 175, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD READ : OK.", LEFT_MODE);
if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 175, (uint8_t *)"SD COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 190, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 175, (uint8_t *)"SD TEST : OK.", LEFT_MODE);
}
}
}
}
}
}
while (1)
{
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
if(prev_status == 0)
{
prev_status = 1;
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
}
else if (prev_status == 1)
{
BSP_SD_Init();
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
prev_status = 0;
}
if(CheckForUserInput() > 0)
{
return;
}
}
}
/**
* @brief SD Demo
* @param None
* @retval None
*/
void SD_demo(void)
{
uint8_t SD_state = SD_OK;
static uint8_t prev_status = 0;
SD_SetHint();
SD_state = BSP_SD_Init();
if(SD_state != SD_OK)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD Initialization : FAIL.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"SD Initialization : OK.", LEFT_MODE);
SD_state = BSP_SD_Erase(BLOCK_START_ADDR, (BLOCKSIZE * NUM_OF_BLOCKS));
if(SD_state != SD_OK)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD ERASE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"SD ERASE : OK.", LEFT_MODE);
/* Fill the buffer to write */
Fill_Buffer(aTxBuffer, BUFFER_WORDS_SIZE, 0x22FF);
SD_state = BSP_SD_WriteBlocks(aTxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS);
if(SD_state != SD_OK)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"SD WRITE : OK.", LEFT_MODE);
SD_state = BSP_SD_ReadBlocks(aRxBuffer, BLOCK_START_ADDR, BLOCKSIZE, NUM_OF_BLOCKS);
if(SD_state != SD_OK)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"SD READ : OK.", LEFT_MODE);
if(Buffercmp(aTxBuffer, aRxBuffer, BUFFER_WORDS_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 175, (uint8_t *)"SD Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"SD Test : OK.", LEFT_MODE);
}
}
}
}
}
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() == SD_PRESENT)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
}
else
{
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
while (1)
{
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
if(prev_status == 0)
{
BSP_SD_Init();
prev_status = 1;
BSP_LCD_SetTextColor(LCD_COLOR_RED);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Not Connected", LEFT_MODE);
}
}
else if (prev_status == 1)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAt(20, BSP_LCD_GetYSize()-30, (uint8_t *)"SD Connected ", LEFT_MODE);
prev_status = 0;
}
if(CheckForUserInput() > 0)
{
return;
}
}
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status
*/
uint8_t BSP_SD_Init(void) {
uint8_t SD_state = MSD_OK;
/* uSD device interface configuration */
#if defined(SDIO)
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
#elif defined(SDMMC1)
uSdHandle.Instance = SDMMC1;
uSdHandle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDMMC_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDMMC_TRANSFER_CLK_DIV;
#else
#error "NOT SUPPORTED!"
#endif
/* Init GPIO, DMA and NVIC */
SD_MspInit();
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() != SD_PRESENT) {
return MSD_ERROR;
}
/* HAL SD initialization */
if (HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Configure SD Bus width */
if (SD_state == MSD_OK) {
/* Enable wide operation */
#if defined(SDIO_BUS_WIDE_4B)
#if FATFS_SDIO_4BIT == 1
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK) {
#else
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_1B) != SD_OK) {
#endif
#else
#if FATFS_SDIO_4BIT == 1
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDMMC_BUS_WIDE_4B) != SD_OK) {
#else
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDMMC_BUS_WIDE_1B) != SD_OK) {
#endif
#endif
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Detects if SD card is correctly plugged in the memory slot or not.
* @param None
* @retval Returns if SD is detected or not
*/
uint8_t BSP_SD_IsDetected(void) {
return SDCARD_IsDetected();
}
/**
* @brief Detects if SD card is write protected
* @param None
* @retval Returns if SD is write protected or not.
*/
uint8_t BSP_SD_IsWriteProtected(void) {
return !SDCARD_IsWriteEnabled();
}
/**
* @brief Reads block(s) from a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to read
* @retval SD status
*/
uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
if (HAL_SD_ReadBlocks(&uSdHandle, pData, ReadAddr, BlockSize, NumOfBlocks) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Writes block(s) to a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to write
* @retval SD status
*/
uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
if (HAL_SD_WriteBlocks(&uSdHandle, pData, WriteAddr, BlockSize, NumOfBlocks) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Reads block(s) from a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to read
* @retval SD status
*/
uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
uint8_t SD_state = MSD_OK;
/* Read block(s) in DMA transfer mode */
if (HAL_SD_ReadBlocks_DMA(&uSdHandle, pData, ReadAddr, BlockSize, NumOfBlocks) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Wait until transfer is complete */
if (SD_state == MSD_OK) {
if (HAL_SD_CheckReadOperation(&uSdHandle, (uint32_t)SD_DATATIMEOUT) != SD_OK) {
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Writes block(s) to a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to write
* @retval SD status
*/
uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
uint8_t SD_state = MSD_OK;
/* Write block(s) in DMA transfer mode */
if (HAL_SD_WriteBlocks_DMA(&uSdHandle, pData, WriteAddr, BlockSize, NumOfBlocks) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Wait until transfer is complete */
if (SD_state == MSD_OK) {
if(HAL_SD_CheckWriteOperation(&uSdHandle, (uint32_t)SD_DATATIMEOUT) != SD_OK) {
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Erases the specified memory area of the given SD card.
* @param StartAddr: Start byte address
* @param EndAddr: End byte address
* @retval SD status
*/
uint8_t BSP_SD_Erase(uint64_t StartAddr, uint64_t EndAddr) {
if (HAL_SD_Erase(&uSdHandle, StartAddr, EndAddr) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Initializes the SD MSP.
* @param None
* @retval None
*/
static void SD_MspInit(void) {
static DMA_HandleTypeDef dmaRxHandle;
static DMA_HandleTypeDef dmaTxHandle;
SD_HandleTypeDef *hsd = &uSdHandle;
uint16_t gpio_af;
/* Get GPIO alternate function */
#if defined(GPIO_AF12_SDIO)
gpio_af = GPIO_AF12_SDIO;
#endif
#if defined(GPIO_AF12_SDMMC1)
gpio_af = GPIO_AF12_SDMMC1;
#endif
/* Enable SDIO clock */
__HAL_RCC_SDIO_CLK_ENABLE();
/* Enable DMA2 clocks */
__DMAx_TxRx_CLK_ENABLE();
/* Detect pin, write protect pin */
#if FATFS_USE_DETECT_PIN > 0
TM_GPIO_Init(FATFS_DETECT_PORT, FATFS_DETECT_PIN, TM_GPIO_Mode_IN, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Low);
#endif
#if FATFS_USE_WRITEPROTECT_PIN > 0
TM_GPIO_Init(FATFS_WRITEPROTECT_PORT, FATFS_WRITEPROTECT_PIN, TM_GPIO_Mode_IN, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Low);
#endif
/* SDIO/SDMMC pins */
#if FATFS_SDIO_4BIT == 1
TM_GPIO_InitAlternate(GPIOC, GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
#else
TM_GPIO_InitAlternate(GPIOC, GPIO_PIN_8 | GPIO_PIN_12, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
#endif
TM_GPIO_InitAlternate(GPIOD, GPIO_PIN_2, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
/* NVIC configuration for SDIO interrupts */
HAL_NVIC_SetPriority(SDIO_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(SDIO_IRQn);
/* Configure DMA Rx parameters */
dmaRxHandle.Init.Channel = SD_DMAx_Rx_CHANNEL;
dmaRxHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
dmaRxHandle.Init.PeriphInc = DMA_PINC_DISABLE;
dmaRxHandle.Init.MemInc = DMA_MINC_ENABLE;
dmaRxHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dmaRxHandle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dmaRxHandle.Init.Mode = DMA_PFCTRL;
dmaRxHandle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dmaRxHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dmaRxHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dmaRxHandle.Init.MemBurst = DMA_MBURST_INC4;
dmaRxHandle.Init.PeriphBurst = DMA_PBURST_INC4;
dmaRxHandle.Instance = SD_DMAx_Rx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmarx, dmaRxHandle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dmaRxHandle);
/* Configure the DMA stream */
HAL_DMA_Init(&dmaRxHandle);
/* Configure DMA Tx parameters */
dmaTxHandle.Init.Channel = SD_DMAx_Tx_CHANNEL;
dmaTxHandle.Init.Direction = DMA_MEMORY_TO_PERIPH;
dmaTxHandle.Init.PeriphInc = DMA_PINC_DISABLE;
dmaTxHandle.Init.MemInc = DMA_MINC_ENABLE;
dmaTxHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dmaTxHandle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dmaTxHandle.Init.Mode = DMA_PFCTRL;
dmaTxHandle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dmaTxHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dmaTxHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dmaTxHandle.Init.MemBurst = DMA_MBURST_INC4;
dmaTxHandle.Init.PeriphBurst = DMA_PBURST_INC4;
dmaTxHandle.Instance = SD_DMAx_Tx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmatx, dmaTxHandle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dmaTxHandle);
/* Configure the DMA stream */
HAL_DMA_Init(&dmaTxHandle);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SD_DMAx_Rx_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(SD_DMAx_Rx_IRQn);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SD_DMAx_Tx_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(SD_DMAx_Tx_IRQn);
}
/**
* @brief Get SD information about specific SD card.
* @param CardInfo: Pointer to HAL_SD_CardInfoTypedef structure
* @retval None
*/
void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypedef *CardInfo) {
/* Get SD card Information */
HAL_SD_Get_CardInfo(&uSdHandle, CardInfo);
}
/**
* @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);
}
/**
* @brief Saves the picture in microSD.
* @param None
* @retval None
*/
static void Save_Picture(void)
{
FRESULT res1 = FR_OK;
FRESULT res2 = FR_OK;
FRESULT res3 = FR_OK; /* FatFs function common result code */
uint32_t byteswritten = 0; /* File write count */
uint32_t bmpHeaderByteCnt = 0;
uint32_t bmpFileInfoHeaderByteCnt = 0;
uint32_t bmpFilePixelBytesCnt = 0;
static uint32_t counter = 0;
uint8_t str[30];
uint16_t tmp_size;
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)"No SD card detected !!", RIGHT_MODE);
Error_Handler();
}
else
{
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)"Saving BMP to SD card", RIGHT_MODE);
/* Format the string */
sprintf((char *)str, "image_%lu.bmp", counter);
/* -- Prepare Bitmap file (BMP) header */
bmpFileHeader.bfType = 0x4D42; /* BMP file type */
/* Offset in bytes from start of file to first pixel data = size in bytes of complete BMP header */
/* careful the structure is padded on multiple of 32 bits by the compiler : the Padding should be removed */
bmpFileHeader.bOffBits = sizeof(BitMapFileHeader_Typedef) +
sizeof(BitMapFileInfoHeader_Typedef) - sizeof(uint32_t) - sizeof(uint16_t);
/* BMP complete file size is size of pad in RGB888 : 24bpp = 3 bytes per pixel + complete header size */
bmpFileHeader.bfSize = ((BSP_LCD_GetXSize() - 80) * (BSP_LCD_GetYSize() - 80) * RGB888_BYTE_PER_PIXEL);
bmpFileHeader.bfSize += bmpFileHeader.bOffBits;
bmpFileHeader.bfReserved1 = 0x0000;
bmpFileHeader.bfReserved2 = 0x0000;
bmpFileInfoHeader.biSize = 40; /* 40 bytes in bitmap info header */
bmpFileInfoHeader.biWidth = (BSP_LCD_GetXSize() - 80);
bmpFileInfoHeader.biHeight = (BSP_LCD_GetYSize() - 80);
bmpFileInfoHeader.biPlanes = 1; /* one single plane */
bmpFileInfoHeader.biBitCount = 24; /* RGB888 : 24 bits per pixel */
bmpFileInfoHeader.biCompression = 0; /* no compression */
/* This is number of pixel bytes in file : sizeX * sizeY * RGB888_BYTE_PER_PIXEL */
bmpFileInfoHeader.biSizeImage = ((BSP_LCD_GetXSize() - 80) * (BSP_LCD_GetYSize() - 80) * RGB888_BYTE_PER_PIXEL);
bmpFileInfoHeader.biXPelsPerMeter = 0; /* not used */
bmpFileInfoHeader.biYPelsPerMeter = 0; /* not used */
bmpFileInfoHeader.biClrUsed = 0; /* not used */
bmpFileInfoHeader.biClrImportant = 0; /* not used */
/* -- End Prepare Bitmap file (BMP) header */
/*##-1- Prepare the image to be saved ####################################*/
Prepare_Picture();
/* Disable the LTDC to avoid charging the bandwidth for nothing while the BMP file is */
/* written to SD card */
LTDC_Operation(0);
/*##-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 */
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" BMP File Creation Error !!", RIGHT_MODE);
Error_Handler();
}
else
{
/*##-3- Write data to the BMP file #####################################*/
/* Write the BMP header step 1 : first write BMP header : all but padding is written to file */
res1 = f_write(&MyFile, (uint16_t *)&(bmpFileHeader.bfType),
sizeof(uint16_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
/* LSB of size in bytes of BMP file */
tmp_size = (uint16_t)(bmpFileHeader.bfSize & 0x0000FFFF);
res1 = f_write(&MyFile, (uint16_t *)&(tmp_size),
sizeof(uint16_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
/* MSB of size in bytes of BMP file */
tmp_size = (uint16_t)((bmpFileHeader.bfSize & 0xFFFF0000) >> 16);
res1 = f_write(&MyFile, (uint16_t *)&(tmp_size),
sizeof(uint16_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
res1 = f_write(&MyFile, (uint16_t *)&(bmpFileHeader.bfReserved1),
sizeof(uint16_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
res1 = f_write(&MyFile, (uint16_t *)&(bmpFileHeader.bfReserved2),
sizeof(uint16_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
res1 = f_write(&MyFile, (uint32_t *)&(bmpFileHeader.bOffBits),
sizeof(uint32_t),
(void *)&bmpHeaderByteCnt);
byteswritten += bmpHeaderByteCnt;
if(res1 != FR_OK)
{
/* Reactivate LTDC */
LTDC_Operation(1);
f_close(&MyFile);
BSP_LCD_ClearStringLine(BSP_LCD_GetYSize() - 20);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" BMP File Header Saving Error !!", RIGHT_MODE);
Error_Handler();
}
byteswritten += bmpHeaderByteCnt;
if(res1 == FR_OK)
{
/* Write the BMP header step 2 : second write BMP file info header */
res2 = f_write(&MyFile, (BitMapFileInfoHeader_Typedef *)&bmpFileInfoHeader,
sizeof(BitMapFileInfoHeader_Typedef),
(void *)&bmpFileInfoHeaderByteCnt);
if(res2 != FR_OK)
{
/* Reactivate LTDC */
LTDC_Operation(1);
f_close(&MyFile);
BSP_LCD_ClearStringLine(BSP_LCD_GetYSize() - 20);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" BMP File Header Info Saving Error !!", RIGHT_MODE);
Error_Handler();
}
}
byteswritten += bmpFileInfoHeaderByteCnt;
if((res1 == FR_OK) && (res2 == FR_OK))
{
/* Write pixel data in the the BMP file */
res3 = f_write(&MyFile, (uint8_t *)p_bmp_converted_pixel_data,
bmpFileInfoHeader.biSizeImage,
(void *)&bmpFilePixelBytesCnt);
/* Reactivate LTDC */
LTDC_Operation(1);
if(res3 != FR_OK)
{
if(res3 == FR_DISK_ERR)
{
f_close(&MyFile);
BSP_LCD_ClearStringLine(BSP_LCD_GetYSize() - 20);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" File Saving Error DISKERR !!", RIGHT_MODE);
}
Error_Handler();
}
}
byteswritten += bmpFilePixelBytesCnt;
if((res1 != FR_OK) || (res2 != FR_OK) || (res3 != FR_OK) || (byteswritten == 0))
{
/* 'image.bmp' file Write or EOF Error */
BSP_LCD_ClearStringLine(BSP_LCD_GetYSize() - 20);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" BMP File Saving Error !!", RIGHT_MODE);
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_ClearStringLine(BSP_LCD_GetYSize() - 20);
BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - 20, (uint8_t*)" BMP File Saved.", RIGHT_MODE);
/* Wait for 2s */
HAL_Delay(2000);
BSP_LCD_ClearStringLine(BSP_LCD_GetYSize() - 20);
/* Select Layer 1 */
BSP_LED_Off(LED1);
counter++;
}
}
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
uint32_t counter = 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();
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)
{
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 transparency */
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)
{
}
}
}
}
}
