AMiRo-OS

/**

 * @brief Transmit data to SPI and receive data afterwards without releasing the bus in between

 *

 * @param   spid        The SPI driver to use.

 * @param   txData      Transmit data buffer.

 * @param   rxData      Receive data buffer.

 * @param   txLength    Number of bytes to send.

 * @param   rxLength    Number of bytes to receive.

 *

 * @return The status indicates whether the function call was succesful.

 */

static inline apalExitStatus_t apalSPITransmitAndReceive(apalSPIDriver_t* spid, const uint8_t* const txData , uint8_t* const rxData, const size_t txLength, const size_t rxLength)

{

  aosDbgCheck(spid != NULL);

#if (SPI_USE_MUTUAL_EXCLUSION)

  spiAcquireBus(spid);

#endif

  spiSelect(spid);

  spiSend(spid, txLength, txData);

  spiReceive(spid, rxLength, rxData);

  spiUnselect(spid);

#if (SPI_USE_MUTUAL_EXCLUSION)

  spiReleaseBus(spid);

#endif

  return APAL_STATUS_OK;

}