/**
* @brief Starts Audio streaming.
* @param None
* @retval Returns 0 if OK, otherwise 1.
*/
uint8_t MTP_Init(void)
{
static uint8_t is_initialized = 0;
uint8_t ret = 1;
if(is_initialized == 0)
{
if(USBH_MTP_IsReady(&hUSBHost) > 0)
{
if(USBH_MTP_GetNumObjects(&hUSBHost, 0, PTP_OFC_WAV, PTP_AT_Undefined, &NumObs) == USBH_OK)
{
/* Get objects handlers */
if(MTP_GetWavObjectHandles() == 0)
{
is_initialized = 1;
ret = 0;
}
}
}
}
else
{
ret = 0;
}
return ret;
}
/**
* @brief Explores Wav Files.
* @param None
* @retval Returns 0 if OK, otherwise 1.
*/
uint8_t MTP_ExploreWavFile(void)
{
uint8_t ret = 1;
uint32_t index;
MTP_ObjectInfoTypedef objectinfo;
MTP_Init();
if(USBH_MTP_IsReady(&hUSBHost) > 0)
{
LCD_UsrLog("\nAvailable wav files:\n");
/* Get Available WAV files number */
if((NumObs = MTP_GetWavObjectNumber()) > 0)
{
/* Get objects handlers */
if(MTP_GetWavObjectHandles() == 0)
{
ret = 0;
for (index = 0; index < NumObs; index ++)
{
if( USBH_MTP_GetObjectInfo (&hUSBHost,
WavHandles.Handler[index],
&objectinfo) == USBH_OK)
{
LCD_DbgLog(" %lu- %s\n", index, objectinfo.Filename);
}
else
{
ret = 1;
}
}
}
}
}
else
{
LCD_ErrLog("MTP Device Not yet ready...\n");
}
return ret;
}
