/**
* Initialize Frame List for sending audio data.
* \param pAudf Pointer to AUDDSpeakerPhone instance.
* \param pListInit Pointer to the allocated list for audio write.
* \param pDmaInit Pointer to the allocated DMA descriptors for autio write
* (if DMA supported).
* \param listSize Circular list size.
* \param delaySize Start transfer after delaySize frames filled in.
* \param callback Optional callback function for transfer.
* \param argument Optional callback argument.
* \return USBD_STATUS_SUCCESS if setup successfully; otherwise an error code.
*/
uint32_t AUDDSpeakerPhone_SetupWrite(
AUDDSpeakerPhone *pAudf,
void * pListInit,
void * pDmaInit,
uint16_t listSize,
uint16_t delaySize,
TransferCallback callback,
void * argument)
{
uint32_t error;
if (pAudf->pMicrophone == 0)
return USBRC_PARAM_ERR;
if (pAudf->pMicrophone->bEndpointIn == 0)
return USBRC_STATE_ERR;
error = USBD_HAL_SetupMblTransfer(pAudf->pMicrophone->bEndpointIn,
pListInit,
listSize,
delaySize);
if (error) return error;
error = USBD_HAL_SetTransferCallback(
pAudf->pMicrophone->bEndpointIn,
callback, argument);
return error;
}
/**
* Reads incoming data on an USB endpoint This methods sets the transfer
* descriptor and activate the endpoint interrupt. The actual transfer is
* then carried out by the endpoint interrupt handler. The Read operation
* finishes either when the buffer is full, or a short packet (inferior to
* endpoint maximum size) is received.
*
* *The buffer must be kept allocated until the transfer is finished*.
* \param bEndpoint Endpoint number.
* \param pData Pointer to a data buffer.
* \param dLength Size of the data buffer in bytes.
* \param fCallback Optional end-of-transfer callback function.
* \param pArgument Optional argument to the callback function.
* \return USBD_STATUS_SUCCESS if the read operation has been started;
* otherwise, the corresponding error code.
*/
uint8_t USBD_Read(uint8_t bEndpoint,
void *pData,
uint32_t dLength,
TransferCallback fCallback,
void *pArgument)
{
USBD_HAL_SetTransferCallback(bEndpoint, fCallback, pArgument);
return USBD_HAL_Read(bEndpoint, pData, dLength);
}
/**
* Reads incoming data on an USB endpoint This methods sets the transfer
* descriptor and activate the endpoint interrupt. The actual transfer is
* then carried out by the endpoint interrupt handler. The Read operation
* finishes either when the buffer is full, or a short packet (inferior to
* endpoint maximum size) is received.
*
* *The buffer must be kept allocated until the transfer is finished*.
* \param bEndpoint Endpoint number.
* \param pData Pointer to a data buffer.
* \param dLength Size of the data buffer in bytes.
* \param fCallback Optional end-of-transfer callback function.
* \param pArgument Optional argument to the callback function.
* \return USBD_STATUS_SUCCESS if the read operation has been started;
* otherwise, the corresponding error code.
*/
uint8_t USBD_Read(uint8_t bEndpoint,
void *pData,
uint32_t dLength,
TransferCallback fCallback,
void *pArgument)
{
//USBD_HAL_SetTransferCallback(bEndpoint, fCallback, pArgument);
if(USBD_HAL_SetTransferCallback(bEndpoint, fCallback, pArgument) == USBD_STATUS_LOCKED) {
return USBD_STATUS_LOCKED;
}
return USBD_HAL_Read(bEndpoint, pData, dLength);
}
/**
* Initialize Frame List for sending audio data.
* \param pAuds Pointer to AUDDStream instance.
* \param pListInit Pointer to the allocated list for audio write.
* \param pDmaInit Pointer to the allocated DMA descriptors for autio write
* (if DMA supported).
* \param listSize Circular list size.
* \param delaySize Start transfer after delaySize frames filled in.
* \param callback Optional callback function for transfer.
* \param argument Optional callback argument.
* \return USBD_STATUS_SUCCESS if setup successfully; otherwise an error code.
*/
uint32_t AUDDStream_SetupWrite(
AUDDStream *pAuds,
void * pListInit,
void * pDmaInit,
uint16_t listSize,
uint16_t delaySize,
TransferCallback callback,
void * argument)
{
uint32_t error;
if (pAuds->bEndpointIn == 0)
return USBRC_STATE_ERR;
error = USBD_HAL_SetupMblTransfer(pAuds->bEndpointIn,
pListInit,
listSize,
delaySize);
if (error) return error;
error = USBD_HAL_SetTransferCallback(pAuds->bEndpointIn,
callback, argument);
return error;
}
