/**
* @brief MSC class application
* @param None
* @retval None
*/
static void MSC_Application(void)
{
switch(USBH_USR_ApplicationState)
{
case USH_USR_FS_INIT:
/* Register work area for logical drives */
if (f_mount(&USBDISK_FatFs, "", 0) != FR_OK)
{
LCD_ErrLog("> File System NOT initialized.\n");
Error_Handler();
}
else
{
LCD_UsrLog("> File System initialized.\n");
USBH_USR_ApplicationState = USH_USR_FS_READLIST;
}
break;
case USH_USR_FS_READLIST:
LCD_UsrLog("> Exploring disk flash ...\n");
if (Explore_Disk("0:/", 1) != FR_OK)
{
LCD_ErrLog("> File cannot be explored.\n");
Error_Handler();
}
else
{
line_idx = 0;
USBH_USR_ApplicationState = USH_USR_FS_DRAW;
LCD_UsrLog("To start Image Slideshow\n");
LCD_UsrLog("Press Key\n");
while(BSP_PB_GetState (BUTTON_KEY) != SET)
{
Toggle_Leds();
}
}
break;
case USH_USR_FS_DRAW:
/* USER Button in polling */
while(BSP_PB_GetState (BUTTON_KEY) != RESET)
{
Toggle_Leds();
}
while(Appli_state == APPLICATION_START)
{
Image_Browser("0:/");
return;
}
break;
default:
break;
}
return;
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(msc_demo.state)
{
case MSC_DEMO_IDLE:
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(16, (uint8_t *)" ");
BSP_LCD_DisplayStringAtLine(17, (uint8_t *)"Use [Buttons Left/Right] to scroll up/down ");
BSP_LCD_DisplayStringAtLine(18, (uint8_t *)"Use [Joystick Up/Down] to scroll MSC menu ");
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
break;
case MSC_DEMO_WAIT:
if(msc_demo.select != prev_select)
{
prev_select = msc_demo.select;
MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
/* Handle select item */
if(msc_demo.select & 0x80)
{
switch(msc_demo.select & 0x7F)
{
case 0:
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
break;
default:
break;
}
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_MSC)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_MSC)
{
/* Register the file system object to the FatFs module */
if(f_mount(&USBH_fatfs, "", 0 ) != FR_OK )
{
LCD_ErrLog("Cannot Initialize FatFs! \n");
}
else
{
Explore_Disk("0:/", 1);
}
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
msc_demo.state = MSC_DEMO_WAIT;
break;
default:
break;
}
msc_demo.select &= 0x7F;
}
/**
* @brief User task
* @param pvParameters not used
* @retval None
*/
static void MSC_MenuThread(void const *argument)
{
uint32_t ITstatus = 0;
for(;;)
{
if(osSemaphoreWait(MenuEvent, 100) == osOK)
{
switch(msc_demo.state)
{
case MSC_DEMO_IDLE:
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
osSemaphoreRelease(MenuEvent);
break;
case MSC_DEMO_WAIT:
MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
/* Handle select item */
if(msc_demo.select & 0x80)
{
switch(msc_demo.select & 0x7F)
{
case 0:
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
osSemaphoreRelease(MenuEvent);
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
osSemaphoreRelease(MenuEvent);
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
osSemaphoreRelease(MenuEvent);
break;
default:
break;
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_READY)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_READY)
{
Explore_Disk("0:/", 1);
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
msc_demo.state = MSC_DEMO_WAIT;
break;
default:
break;
}
msc_demo.select &= 0x7F;
}
if (osJoySemaphore != NULL)
{
if(osSemaphoreWait(osJoySemaphore , 0) == osOK)
{
ITstatus = BSP_IO_ITGetStatus(JOY_ALL_PINS);
if (ITstatus)
{
Joystick_MscMenu();
/* Clear joystick interrupt pending bits */
BSP_IO_ITClear();
}
}
}
}
}
/**
* @brief Displays disk content.
* @param path: Pointer to root path
* @param recu_level: Disk content level
* @retval Operation result
*/
FRESULT Explore_Disk(char *path, uint8_t recu_level)
{
FRESULT res = FR_OK;
FILINFO fno;
DIR dir;
char *fn;
char tmp[14];
uint8_t line_idx = 0;
#if _USE_LFN
static char lfn[_MAX_LFN + 1]; /* Buffer to store the LFN */
fno.lfname = lfn;
fno.lfsize = sizeof lfn;
#endif
res = f_opendir(&dir, path);
if(res == FR_OK)
{
while(USBH_MSC_IsReady(&hUSBHost))
{
res = f_readdir(&dir, &fno);
if(res != FR_OK || fno.fname[0] == 0)
{
break;
}
if(fno.fname[0] == '.')
{
continue;
}
#if _USE_LFN
fn = *fno.lfname ? fno.lfname : fno.fname;
#else
fn = fno.fname;
#endif
strcpy(tmp, fn);
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 */
}
}
if(recu_level == 1)
{
LCD_DbgLog(" |__");
}
else if(recu_level == 2)
{
LCD_DbgLog(" | |__");
}
if((fno.fattrib & AM_MASK) == AM_DIR)
{
strcat(tmp, "\n");
LCD_UsrLog((void *)tmp);
Explore_Disk(fn, 2);
}
else
{
strcat(tmp, "\n");
LCD_DbgLog((void *)tmp);
}
if(((fno.fattrib & AM_MASK) == AM_DIR)&&(recu_level == 2))
{
Explore_Disk(fn, 2);
}
}
f_closedir(&dir);
LCD_UsrLog("> Select an operation to Continue.\n" );
}
return res;
}
/**
* @brief Displays disk content
* @param path: pointer to root path
* @param recu_level: explorer level
* @retval None
*/
static uint8_t Explore_Disk(char* path , uint8_t recu_level)
{
FRESULT res;
FILINFO fno;
DIR dir;
char *fn;
char tmp[14];
res = f_opendir(&dir, path);
if (res == FR_OK)
{
/* USER Button in polling */
LCD_UsrLog("To see the disk root content:\n" );
LCD_UsrLog("Press Key...\n");
while((BSP_PB_GetState (BUTTON_KEY) != SET))
{
Toggle_Leds();
}
while((BSP_PB_GetState (BUTTON_KEY) != RESET))
{
Toggle_Leds();
}
while(Appli_state == APPLICATION_START)
{
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
{
break;
}
if (fno.fname[0] == '.')
{
continue;
}
fn = fno.fname;
strcpy(tmp, fn);
line_idx++;
if(line_idx > 12)
{
line_idx = 0;
LCD_UsrLog("Press Key to continue...\n");
/* USER Button in polling */
while((Appli_state == APPLICATION_START) && \
(BSP_PB_GetState (BUTTON_KEY) != SET))
{
Toggle_Leds();
}
}
if(recu_level == 1)
{
LCD_DbgLog(" |__");
}
else if(recu_level == 2)
{
LCD_DbgLog(" | |__");
}
if((fno.fattrib & AM_MASK) == AM_DIR)
{
strcat(tmp, "\n");
LCD_UsrLog((void *)tmp);
}
else
{
strcat(tmp, "\n");
LCD_DbgLog((void *)tmp);
}
if(((fno.fattrib & AM_MASK) == AM_DIR)&&(recu_level == 1))
{
Explore_Disk(fn, 2);
}
}
}
f_closedir(&dir);
return res;
}
/**
* @brief Explore_Disk
* Displays disk content
* @param path: pointer to root path
* @retval None
*/
static uint8_t Explore_Disk (char* path , uint8_t recu_level)
{
FRESULT res;
FILINFO fno;
DIR dir;
char *fn;
char tmp[14];
res = f_opendir(&dir, path);
if (res == FR_OK) {
while(HCD_IsDeviceConnected(&USB_OTG_Core))
{
res = f_readdir(&dir, &fno);
if (res != FR_OK || fno.fname[0] == 0)
{
break;
}
if (fno.fname[0] == '.') {
continue;
}
fn = fno.fname;
strcpy(tmp, fn);
line_idx++;
if (line_idx > 9) {
line_idx = 0;
LCD_SetTextColor(Green);
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 42, " ");
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 30, "Press Key to continue...");
LCD_SetTextColor(LCD_LOG_DEFAULT_COLOR);
/*Key B3 in polling*/
while((HCD_IsDeviceConnected(&USB_OTG_Core)) && \
(STM_EVAL_PBGetState (BUTTON_USER) == RESET)) {
Toggle_Leds();
}
}
if (recu_level == 1) {
LCD_DbgLog(" |__");
} else if(recu_level == 2) {
LCD_DbgLog(" | |__");
}
if ((fno.fattrib & AM_MASK) == AM_DIR) {
strcat(tmp, "\n");
LCD_UsrLog((void *)tmp);
} else {
strcat(tmp, "\n");
LCD_DbgLog((void *)tmp);
}
if (((fno.fattrib & AM_MASK) == AM_DIR)&&(recu_level == 1)) {
Explore_Disk(fn, 2);
}
}
}
return res;
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(msc_demo.state)
{
case MSC_DEMO_IDLE:
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
break;
case MSC_DEMO_WAIT:
if(msc_demo.select != prev_select)
{
prev_select = msc_demo.select;
MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
/* Handle select item */
if(msc_demo.select & 0x80)
{
switch(msc_demo.select & 0x7F)
{
case 0:
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
break;
default:
break;
}
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_READY)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_READY)
{
Explore_Disk("0:/", 1);
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
msc_demo.state = MSC_DEMO_WAIT;
break;
default:
break;
}
msc_demo.select &= 0x7F;
}
/**
* @brief USBH_USR_MSC_Application
* Demo application for mass storage
* @param None
* @retval Staus
*/
int USBH_USR_MSC_Application(void)
{
FRESULT res;
uint8_t writeTextBuff[] = "STM32 Connectivity line Host Demo application using FAT_FS ";
uint16_t bytesWritten, bytesToWrite;
switch(USBH_USR_ApplicationState)
{
case USH_USR_FS_INIT:
/* Initialises the File System*/
if ( f_mount( 0, &fatfs ) != FR_OK ) {
/* efs initialisation fails*/
LCD_ErrLog("> Cannot initialize File System.\n");
return(-1);
}
LCD_UsrLog("> File System initialized.\n");
LCD_UsrLog("> Disk capacity : %d Bytes\n", USBH_MSC_Param.MSCapacity * \
USBH_MSC_Param.MSPageLength);
if(USBH_MSC_Param.MSWriteProtect == DISK_WRITE_PROTECTED) {
LCD_ErrLog((void *)MSG_WR_PROTECT);
}
USBH_USR_ApplicationState = USH_USR_FS_READLIST;
break;
case USH_USR_FS_READLIST:
LCD_UsrLog((void *)MSG_ROOT_CONT);
Explore_Disk("0:/", 1);
line_idx = 0;
USBH_USR_ApplicationState = USH_USR_FS_WRITEFILE;
break;
case USH_USR_FS_WRITEFILE:
LCD_SetTextColor(Green);
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 42, " ");
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 30, "Press Key to write file");
LCD_SetTextColor(LCD_LOG_DEFAULT_COLOR);
USB_OTG_BSP_mDelay(100);
/*Key B3 in polling*/
while((HCD_IsDeviceConnected(&USB_OTG_Core)) && \
(STM_EVAL_PBGetState (BUTTON_USER) == RESET))
{
Toggle_Leds();
}
/* Writes a text file, STM32.TXT in the disk*/
LCD_UsrLog("> Writing File to disk flash ...\n");
if (USBH_MSC_Param.MSWriteProtect == DISK_WRITE_PROTECTED) {
LCD_ErrLog ( "> Disk flash is write protected \n");
USBH_USR_ApplicationState = USH_USR_FS_DRAW;
break;
}
/* Register work area for logical drives */
f_mount(0, &fatfs);
if (f_open(&file, "0:STM32.TXT",FA_CREATE_ALWAYS | FA_WRITE) == FR_OK) {
/* Write buffer to file */
bytesToWrite = sizeof(writeTextBuff);
res= f_write (&file, writeTextBuff, bytesToWrite, (void *)&bytesWritten);
if((bytesWritten == 0) || (res != FR_OK)) /*EOF or Error*/ {
LCD_ErrLog("> STM32.TXT CANNOT be writen.\n");
} else {
LCD_UsrLog("> 'STM32.TXT' file created\n");
}
/*close file and filesystem*/
f_close(&file);
f_mount(0, NULL);
} else {
LCD_UsrLog ("> STM32.TXT created in the disk\n");
}
USBH_USR_ApplicationState = USH_USR_FS_DRAW;
LCD_SetTextColor(Green);
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 42, " ");
LCD_DisplayStringLine( LCD_PIXEL_HEIGHT - 30, "To start Image slide show Press Key.");
LCD_SetTextColor(LCD_LOG_DEFAULT_COLOR);
break;
case USH_USR_FS_DRAW:
/*Key B3 in polling*/
while((HCD_IsDeviceConnected(&USB_OTG_Core)) && \
(STM_EVAL_PBGetState (BUTTON_USER) == RESET))
{
Toggle_Leds();
}
while(HCD_IsDeviceConnected(&USB_OTG_Core))
{
if ( f_mount( 0, &fatfs ) != FR_OK ) {
/* fat_fs initialisation fails*/
return(-1);
}
return Image_Browser("0:/");
}
break;
default: break;
}
return(0);
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(demo.msc_state)
{
case APPLI_MSC_IDLE:
Demo_SelectItem(MSC_main_menu, 0);
demo.msc_state = APPLI_MSC_WAIT;
demo.select = 0;
break;
case APPLI_MSC_WAIT:
if(demo.select != prev_select)
{
prev_select = demo.select;
Demo_SelectItem(MSC_main_menu, demo.select & 0x7F);
/* Handle select item */
if(demo.select & 0x80)
{
demo.select &= 0x7F;
switch(demo.select)
{
case 0:
demo.msc_state = APPLI_MSC_FILE_OPERATIONS;
break;
case 1:
demo.msc_state = APPLI_MSC_EXPLORER;
break;
case 2: /* Return */
demo.state = DEMO_IDLE;
demo.select = 0;
LCD_UsrLogY("> MSC application closed.\n");
f_mount(0,0,0);
break;
default:
break;
}
}
}
break;
case APPLI_MSC_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_HS_state == APPLICATION_HS_READY)
{
MSC_File_Operations();
}
demo.msc_state = APPLI_MSC_WAIT;
break;
case APPLI_MSC_EXPLORER:
/* Display disk content */
if(Appli_HS_state == APPLICATION_HS_READY)
{
Explore_Disk("0:/", 1);
}
demo.msc_state = APPLI_MSC_WAIT;
break;
default:
break;
}
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(msc_demo.state)
{
case MSC_DEMO_START:
if(Appli_state == APPLICATION_MSC)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to start read and write operations");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_TAMPER) != SET) && (Appli_state != APPLICATION_DISCONNECT))
{
}
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_MSC)
{
MSC_File_Operations();
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to display disk content");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_TAMPER) != SET) && (Appli_state != APPLICATION_DISCONNECT))
{
}
msc_demo.state = MSC_DEMO_EXPLORER;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_MSC)
{
/* Register the file system object to the FatFs module */
if(f_mount(&USBH_fatfs, "", 0 ) != FR_OK )
{
LCD_ErrLog("Cannot Initialize FatFs! \n");
}
else
{
Explore_Disk("0:/", 1);
msc_demo.state = MSC_DEMO_START;
/* Prevent debounce effect for user key */
HAL_Delay(400);
}
}
break;
default:
break;
}
}
/**
* @brief User task
* @param pvParameters not used
* @retval None
*/
static void MSC_MenuThread(void const *argument)
{
for(;;)
{
if(osSemaphoreWait(MenuEvent, osWaitForever) == osOK)
{
switch(msc_demo.state)
{
case MSC_DEMO_IDLE:
MSC_SelectItem(MSC_main_menu, 0);
msc_demo.state = MSC_DEMO_WAIT;
msc_demo.select = 0;
osSemaphoreRelease(MenuEvent);
break;
case MSC_DEMO_WAIT:
MSC_SelectItem(MSC_main_menu, msc_demo.select & 0x7F);
/* Handle select item */
if(msc_demo.select & 0x80)
{
switch(msc_demo.select & 0x7F)
{
case 0:
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
osSemaphoreRelease(MenuEvent);
break;
case 1:
msc_demo.state = MSC_DEMO_EXPLORER;
osSemaphoreRelease(MenuEvent);
break;
case 2:
msc_demo.state = MSC_REENUMERATE;
osSemaphoreRelease(MenuEvent);
break;
default:
break;
}
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_READY)
{
MSC_File_Operations();
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_READY)
{
Explore_Disk("0:/", 1);
}
msc_demo.state = MSC_DEMO_WAIT;
break;
case MSC_REENUMERATE:
/* Force MSC Device to re-enumerate */
USBH_ReEnumerate(&hUSBHost);
msc_demo.state = MSC_DEMO_WAIT;
break;
default:
break;
}
msc_demo.select &= 0x7F;
}
}
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(msc_demo.state)
{
case MSC_DEMO_START:
if(Appli_state == APPLICATION_READY)
{
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to start read and write operations");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_WAKEUP) != SET) && (Appli_state != APPLICATION_DISCONNECT))
{
}
msc_demo.state = MSC_DEMO_FILE_OPERATIONS;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case MSC_DEMO_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_state == APPLICATION_READY)
{
MSC_File_Operations();
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to display disk content");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_WAKEUP) != SET) && (Appli_state != APPLICATION_DISCONNECT))
{
}
msc_demo.state = MSC_DEMO_EXPLORER;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case MSC_DEMO_EXPLORER:
/* Display disk content */
if(Appli_state == APPLICATION_READY)
{
Explore_Disk("0:/", 1);
msc_demo.state = MSC_DEMO_START;
/* Prevent debounce effect for user key */
HAL_Delay(400);
}
break;
default:
break;
}
if(Appli_state == APPLICATION_DISCONNECT)
{
Appli_state = APPLICATION_IDLE;
LCD_LOG_ClearTextZone();
LCD_ErrLog("MSC device disconnected!\n");
msc_demo.state = MSC_DEMO_START;
msc_demo.select = 0;
}
}
/**
* @brief Manages MSC Menu Process.
* @param None
* @retval None
*/
void MSC_MenuProcess(void)
{
switch(demo.msc_state)
{
case APPLI_MSC_START:
if(Appli_HS_state == APPLICATION_HS_READY)
{
BSP_LCD_ClearStringLine(19);
BSP_LCD_ClearStringLine(20);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to start read and write operations");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_TAMPER) != SET) && (Appli_HS_state != APPLICATION_HS_DISCONNECT))
{
}
demo.msc_state = APPLI_MSC_FILE_OPERATIONS;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case APPLI_MSC_FILE_OPERATIONS:
/* Read and Write File Here */
if(Appli_HS_state == APPLICATION_HS_READY)
{
MSC_File_Operations();
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(19, (uint8_t *)"Press User button to display disk content");
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_TAMPER) != SET) && (Appli_HS_state != APPLICATION_HS_DISCONNECT))
{
}
demo.msc_state = APPLI_MSC_EXPLORER;
/* Prevent debounce effect for user key */
HAL_Delay(400);
BSP_LCD_ClearStringLine(19);
}
break;
case APPLI_MSC_EXPLORER:
/* Display disk content */
if(Appli_HS_state == APPLICATION_HS_READY)
{
Explore_Disk("0:/", 1);
demo.msc_state = APPLI_MSC_START;
demo.state = DEMO_IDLE;
BSP_LCD_ClearStringLine(19);
BSP_LCD_ClearStringLine(20);
BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
BSP_LCD_DisplayStringAtLine(20, (uint8_t *)"Press User button to exit");
/* Prevent debounce effect for user key */
HAL_Delay(400);
/* Wait for User Input */
while((BSP_PB_GetState(BUTTON_TAMPER) != SET) && (Appli_HS_state != APPLICATION_HS_DISCONNECT))
{
}
/* Prevent debounce effect for user key */
HAL_Delay(400);
}
break;
default:
break;
}
}