/**************************************************************************************************
* @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 znpTestRF
*
* @brief This function initializes and checks the ZNP RF Test Mode NV items. It is designed
* to be invoked before/instead of MAC radio initialization.
*
* input parameters
*
* None.
*
* output parameters
*
* None.
*
* @return None.
*/
void znpTestRF(void)
{
uint8 rfTestParms[4] = { 0, 0, 0, 0 };
if ((SUCCESS != osal_nv_item_init(ZNP_NV_RF_TEST_PARMS, 4, rfTestParms)) ||
(SUCCESS != osal_nv_read(ZNP_NV_RF_TEST_PARMS, 0, 4, rfTestParms)) ||
(rfTestParms[0] == 0))
{
return;
}
// Settings from SmartRF Studio
MDMCTRL0 = 0x85;
RXCTRL = 0x3F;
FSCTRL = 0x5A;
FSCAL1 = 0x2B;
AGCCTRL1 = 0x11;
ADCTEST0 = 0x10;
ADCTEST1 = 0x0E;
ADCTEST2 = 0x03;
FRMCTRL0 = 0x43;
FRMCTRL1 = 0x00;
MAC_RADIO_RXTX_OFF();
MAC_RADIO_SET_CHANNEL(rfTestParms[1]);
MAC_RADIO_SET_TX_POWER(rfTestParms[2]);
TX_PWR_TONE_SET(rfTestParms[3]);
switch (rfTestParms[0])
{
case 1: // Rx promiscuous mode.
MAC_RADIO_RX_ON();
break;
case 2: // Un-modulated Tx.
TX_PWR_MOD__SET(1);
// no break;
case 3: // Modulated Tx.
// Modulated is default register setting, so no special action.
// Now turn on Tx power for either mod or un-modulated Tx test.
MAC_RADIO_TX_ON();
break;
default: // Not expected.
break;
}
// Clear the RF test mode.
(void)osal_memset(rfTestParms, 0, 4);
(void)osal_nv_write(ZNP_NV_RF_TEST_PARMS, 0, 4, rfTestParms);
while (1); // Spin in RF test mode until a hard reset.
}
/**************************************************************************************************
* @fn macSleep
*
* @brief Puts radio into the selected sleep mode.
*
* @param sleepState - selected sleep level, see #defines in .h file
*
* @return TRUE if radio was successfully put into selected sleep mode.
* FALSE if it was not safe for radio to go to sleep.
**************************************************************************************************
*/
BOOL macSleep(void)
{
BOOL s;
/* disable interrupts until macSleepState can be set */
HAL_ENTER_CRITICAL_SECTION(s);
/* assert checks */
//MAC_ASSERT(macSleepState == MAC_SLEEP_STATE_AWAKE); /* radio must be awake to put it to sleep */
//MAC_ASSERT(macRxFilter == RX_FILTER_OFF); /* do not sleep when scanning or in promiscuous mode */
if (macSleepState != MAC_SLEEP_STATE_AWAKE)
{
HAL_EXIT_CRITICAL_SECTION(s);
return(FALSE);
}
/* if either RX or TX is active or any RX enable flags are set, it's not OK to sleep */
if (macTXBusy())
{
HAL_EXIT_CRITICAL_SECTION(s);
return(FALSE);
}
/* turn off the receiver */
MAC_RADIO_RXTX_OFF();
MAC_RADIO_FLUSH_RX_FIFO();
/* update sleep state variable */
macSleepState = MAC_SLEEP_STATE_RADIO_OFF;
/* macSleepState is now set, re-enable interrupts */
HAL_EXIT_CRITICAL_SECTION(s);
/* put MAC timer to sleep */
/* MAC timer 关闭时，
T2THD:T2TLD自动保存到T2CAPHPH:T2CAPLPL，T2OF2:T2OF1:T2OF0自动保存到T2PEROF2:T2PEROF1:T2PEROF0 */
MAC_RADIO_TIMER_SLEEP();
/* put radio in selected sleep mode */
MAC_RADIO_TURN_OFF_POWER();
/* radio successfully entered sleep mode */
return(TRUE);
}
/**************************************************************************************************
* @fn macRxHardDisable
*
* @brief Clear all enable flags and turn off receiver.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void macRxHardDisable(void)
{
halIntState_t s;
HAL_ENTER_CRITICAL_SECTION(s);
macRxEnableFlags = 0;
macRxOnFlag = 0;
/* force receiver off */
MAC_RADIO_RXTX_OFF();
MAC_RADIO_FLUSH_RX_FIFO();
MAC_DEBUG_TURN_OFF_RX_LED();
HAL_EXIT_CRITICAL_SECTION(s);
/* clean up after being forced off */
macRxHaltCleanup();
}
/**************************************************************************************************
* @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);
}
