/**
* Close the stream. All pending transfers are canceled.
* \param pAudf Pointer to AUDDSpeakerPhone instance.
* \param bInterface Stream interface number
*/
uint32_t AUDDSpeakerPhone_CloseStream(
AUDDSpeakerPhone *pAudf,
uint32_t bInterface)
{
if (pAudf->pSpeaker->bAsInterface == bInterface) {
USBD_HAL_ResetEPs(1 << pAudf->pSpeaker->bEndpointOut,
USBRC_CANCELED,
1);
}
else if (pAudf->pMicrophone->bAsInterface == bInterface) {
USBD_HAL_ResetEPs(1 << pAudf->pMicrophone->bEndpointIn,
USBRC_CANCELED,
1);
}
return USBRC_SUCCESS;
}
/**
* Handle the USB reset event, should be invoked whenever
* HW found USB reset signal on bus, which usually is called
* "end of bus reset" status.
*/
void USBD_ResetHandler()
{
/* The device enters the Default state */
deviceState = USBD_STATE_DEFAULT;
/* Active the USB HW */
USBD_HAL_Activate();
/* Only EP0 enabled */
USBD_HAL_ResetEPs(0xFFFFFFFF, USBD_STATUS_RESET, 0);
USBD_ConfigureEndpoint(0);
/* Invoke the Reset callback */
USBDCallbacks_Reset();
}
/**
* Sets the current device configuration.
* \param cfgnum - Configuration number to set.
*/
void USBD_SetConfiguration(uint8_t cfgnum)
{
TRACE_INFO_WP("SetCfg(%d) ", cfgnum);
USBD_HAL_SetConfiguration(cfgnum);
if (cfgnum != 0) {
deviceState = USBD_STATE_CONFIGURED;
}
else {
deviceState = USBD_STATE_ADDRESS;
/* Reset all endpoints */
USBD_HAL_ResetEPs(0xFFFFFFFF, USBD_STATUS_RESET, 0);
}
}
/**
* Close the stream. All pending transfers are canceled.
* \param pStream Pointer to AUDDStream instance.
*/
uint32_t AUDDStream_Close(AUDDStream *pStream)
{
uint32_t bmEPs = 0;
/* Close output stream */
if (pStream->bEndpointIn) {
bmEPs |= 1 << pStream->bEndpointIn;
}
/* Close input stream */
if (pStream->bEndpointOut) {
bmEPs |= 1 << pStream->bEndpointOut;
}
USBD_HAL_ResetEPs(bmEPs, USBRC_CANCELED, 1);
return USBRC_SUCCESS;
}