/**
* Add frame buffer to audio sending list.
* \param pAuds Pointer to AUDDStream instance.
* \param pBuffer Pointer to data frame to send.
* \param wLength Frame size in bytes.
* \return USBD_STATUS_SUCCESS if the transfer is started successfully;
* otherwise an error code.
*/
uint32_t AUDDStream_Write(AUDDStream *pAuds, void* pBuffer, uint16_t wLength)
{
if (pAuds->bEndpointIn == 0)
return USBRC_STATE_ERR;
return USBD_HAL_Write(pAuds->bEndpointIn,
pBuffer, wLength);
}
/**
* Sends data through a USB endpoint. Sets up the transfer descriptor,
* writes one or two data payloads (depending on the number of FIFO bank
* for the endpoint) and then starts the actual transfer. The operation is
* complete when all the data has been sent.
*
* *If the size of the buffer is greater than the size of the endpoint
* (or twice the size if the endpoint has two FIFO banks), then the buffer
* must be kept allocated until the transfer is finished*. This means that
* it is not possible to declare it on the stack (i.e. as a local variable
* of a function which returns after starting a transfer).
*
* \param bEndpoint Endpoint number.
* \param pData Pointer to a buffer with the data to send.
* \param dLength Size of the data buffer.
* \param fCallback Optional callback function to invoke when the transfer is
* complete.
* \param pArgument Optional argument to the callback function.
* \return USBD_STATUS_SUCCESS if the transfer has been started;
* otherwise, the corresponding error status code.
*/
uint8_t USBD_Write( uint8_t bEndpoint,
const void *pData,
uint32_t dLength,
TransferCallback fCallback,
void *pArgument )
{
USBD_HAL_SetTransferCallback(bEndpoint, fCallback, pArgument);
return USBD_HAL_Write(bEndpoint, pData, dLength);
}
/**
* Add frame buffer to audio sending list.
* \param pAudf Pointer to AUDDSpeakerPhone instance.
* \param pBuffer Pointer to data frame to send.
* \param wLength Frame size in bytes.
* \return USBD_STATUS_SUCCESS if the transfer is started successfully;
* otherwise an error code.
*/
uint32_t AUDDSpeakerPhone_Write(AUDDSpeakerPhone *pAudf, void* pBuffer, uint16_t wLength)
{
if (pAudf->pSpeaker == 0)
return USBRC_PARAM_ERR;
if (pAudf->pSpeaker->bEndpointIn == 0)
return USBRC_STATE_ERR;
return USBD_HAL_Write(pAudf->pSpeaker->bEndpointIn,
pBuffer, wLength);
}
/**
* Sends data through a USB endpoint. Sets up the transfer descriptor,
* writes one or two data payloads (depending on the number of FIFO bank
* for the endpoint) and then starts the actual transfer. The operation is
* complete when all the data has been sent.
*
* *If the size of the buffer is greater than the size of the endpoint
* (or twice the size if the endpoint has two FIFO banks), then the buffer
* must be kept allocated until the transfer is finished*. This means that
* it is not possible to declare it on the stack (i.e. as a local variable
* of a function which returns after starting a transfer).
*
* \param bEndpoint Endpoint number.
* \param pData Pointer to a buffer with the data to send.
* \param dLength Size of the data buffer.
* \param fCallback Optional callback function to invoke when the transfer is
* complete.
* \param pArgument Optional argument to the callback function.
* \return USBD_STATUS_SUCCESS if the transfer has been started;
* otherwise, the corresponding error status code.
*/
uint8_t USBD_Write( uint8_t bEndpoint,
const 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_Write(bEndpoint, pData, dLength);
}
