/**
* @brief Copies disk content in the explorer list.
* @param None
* @retval Operation result
*/
FRESULT AUDIO_StorageParse(void)
{
FRESULT res = FR_OK;
FILINFO fno;
DIR dir;
char *fn;
#if _USE_LFN
static char lfn[_MAX_LFN];
fno.lfname = lfn;
fno.lfsize = sizeof(lfn);
#endif
res = f_opendir(&dir, USBKey_Path);
FileList.ptr = 0;
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
if(FileList.ptr < FILEMGR_LIST_DEPDTH)
{
if((fno.fattrib & AM_DIR) == 0)
{
if((strstr(fn, "wav")) || (strstr(fn, "WAV")))
{
strncpy((char *)FileList.file[FileList.ptr].name, (char *)fn, FILEMGR_FILE_NAME_SIZE);
FileList.file[FileList.ptr].type = FILETYPE_FILE;
FileList.ptr++;
}
}
}
}
}
NumObs = FileList.ptr;
f_closedir(&dir);
return res;
}
/**
* @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 Demo application for IAP through USB mass storage.
* @param None
* @retval None
*/
void FW_UPGRADE_Process(void)
{
switch(Demo_State)
{
case DEMO_INIT:
/* Register the file system object to the FatFs module */
if(f_mount(&USBH_fatfs, "", 0 ) != FR_OK )
{
/* FatFs initialization fails */
/* Toggle LED3 and LED4 in infinite loop */
FatFs_Fail_Handler();
}
/* TO DO */
// /* Flash Disk is write protected: Turn LED4 On and Toggle LED3 in infinite loop */
// if(USBH_MSC_Param.MSWriteProtect == DISK_WRITE_PROTECTED)
// {
// /* Turn LED4 On */
// BSP_LED_On(LED4);
// /* Toggle LED3 in infinite loop */
// Fail_Handler();
// }
/* Go to IAP menu */
Demo_State = DEMO_IAP;
break;
case DEMO_IAP:
while(USBH_MSC_IsReady(&hUSBHost))
{
/* Control BUFFER_SIZE value */
USBH_USR_BufferSizeControl();
/* Keep LED1 Off when Device connected */
BSP_LED_Off(LED1);
/* KEY Button pressed Delay */
IAP_UploadTimeout();
/* Writes Flash memory */
COMMAND_Download();
/* Check if KEY Button is already pressed */
if((UploadCondition == 0x01))
{
/* Reads all flash memory */
COMMAND_Upload();
}
else
{
/* Turn LED1 On: Waiting KEY button pressed */
BSP_LED_On(LED1);
}
/* Waiting KEY Button Released */
while((BSP_PB_GetState(BUTTON_KEY) == GPIO_PIN_RESET) && (Appli_state == APPLICATION_READY))
{}
/* Waiting KEY Button Pressed */
while((BSP_PB_GetState(BUTTON_KEY) != GPIO_PIN_RESET) && (Appli_state == APPLICATION_READY))
{}
/* Waiting KEY Button Released */
while((BSP_PB_GetState(BUTTON_KEY) == GPIO_PIN_RESET) && (Appli_state == APPLICATION_READY))
{}
if(Appli_state == APPLICATION_READY)
{
/* Jump to user application code located in the internal Flash memory */
COMMAND_Jump();
}
}
break;
default:
break;
}
if(Appli_state == APPLICATION_DISCONNECT)
{
/* Toggle LED1: USB device disconnected */
BSP_LED_Toggle(LED1);
HAL_Delay(100);
}
}
