/*=================================================================================================
* @fn rxHaltCleanupFinalStep
*
* @brief Required cleanup if receiver is halted in the middle of a receive.
*
* @param none
*
* @return none
*=================================================================================================
*/
static void rxHaltCleanupFinalStep(void)
{
/* cancel any upcoming ACK transmit complete callback */
MAC_RADIO_CANCEL_ACK_TX_DONE_CALLBACK();
/* set start of frame threshold */
MAC_RADIO_SET_RX_THRESHOLD(RX_THRESHOLD_START_LEN);
/* flush the receive FIFO */
MAC_RADIO_FLUSH_RX_FIFO();
/* clear any receive interrupt that happened to squeak through */
MAC_RADIO_CLEAR_RX_THRESHOLD_INTERRUPT_FLAG();
/* if data buffer has been allocated, free it */
if (pRxBuf != NULL)
{
MEM_FREE((uint8 **)&pRxBuf);
}
/* MEM_FREE() sets parameter to NULL. */
pFuncRxState = &rxStartIsr;
/* if receive was active, perform the post receive updates */
if (macRxActive || macRxOutgoingAckFlag)
{
macRxActive = MAC_RX_ACTIVE_NO_ACTIVITY;
macRxOutgoingAckFlag = 0;
rxPostRxUpdates();
}
}
/**************************************************************************************************
* @fn macRxOff
*
* @brief Turn off the receiver if it's not already off.
*
* @param none
*
* @return none
**************************************************************************************************
*/
MAC_INTERNAL_API void macRxOff(void)
{
halIntState_t s;
DBG_PRINT1(DBGSYS, "macRxOff(): macRxOnFlag = 0x%X", macRxOnFlag);
HAL_ENTER_CRITICAL_SECTION(s);
if (macRxOnFlag)
{
macRxOnFlag = 0;
DBG_PRINT0(DBGSYS, "MAC_RADIO_RXTX_OFF()");
MAC_RADIO_RXTX_OFF();
/* Wait till RX is completely off before issuing another RX related
* command which may fail if issued beforehand. */
macCheckCommnadDone(&macRxEdScan.rxCmd.rfOpCmd);
/* Wait till all FG commands are done */
macCheckCommnadDone(&macCsmaCaCmd.rfOpCmd);
macCheckCommnadDone(&macTxCmd.rfOpCmd);
macCheckCommnadDone(&macRxAckCmd.rfOpCmd);
MAC_DEBUG_TURN_OFF_RX_LED();
/* just in case a receive was about to start, flush the receive FIFO */
MAC_RADIO_FLUSH_RX_FIFO();
/* clear any receive interrupt that happened to squeak through */
MAC_RADIO_CLEAR_RX_THRESHOLD_INTERRUPT_FLAG();
}
HAL_EXIT_CRITICAL_SECTION(s);
}
/**************************************************************************************************
* @fn macRxRadioPowerUpInit
*
* @brief Initialization for after radio first powers up.
*
* @param none
*
* @return none
**************************************************************************************************
*/
MAC_INTERNAL_API void macRxRadioPowerUpInit(void)
{
/* set threshold at initial value */
MAC_RADIO_SET_RX_THRESHOLD(RX_THRESHOLD_START_LEN);
/* clear any accidental threshold interrupt that happened as part of power up sequence */
MAC_RADIO_CLEAR_RX_THRESHOLD_INTERRUPT_FLAG();
/* enable threshold interrupts */
MAC_RADIO_ENABLE_RX_THRESHOLD_INTERRUPT();
}
/**************************************************************************************************
* @fn macRxOff
*
* @brief Turn off the receiver if it's not already off.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void macRxOff(void)
{
halIntState_t s;
HAL_ENTER_CRITICAL_SECTION(s);
if (macRxOnFlag)
{
macRxOnFlag = 0;
MAC_RADIO_RXTX_OFF();
MAC_DEBUG_TURN_OFF_RX_LED();
/* just in case a receive was about to start, flush the receive FIFO */
MAC_RADIO_FLUSH_RX_FIFO();
/* clear any receive interrupt that happened to squeak through */
MAC_RADIO_CLEAR_RX_THRESHOLD_INTERRUPT_FLAG();
}
HAL_EXIT_CRITICAL_SECTION(s);
}
