/**************************************************************************************************
* @fn macRadioUpdateChannel
*
* @brief Update the radio channel if a new channel has been requested.
*
* @param none
*
* @return none
**************************************************************************************************
*/
MAC_INTERNAL_API void macRadioUpdateChannel(void)
{
halIntState_t s;
MAC_ASSERT(!macTxActive); /* cannot change channel during a transmit */
/* if the channel has changed, set the radio to the new channel */
HAL_ENTER_CRITICAL_SECTION(s);
if (reqChannel != macPhyChannel)
{
macPhyChannel = reqChannel;
HAL_EXIT_CRITICAL_SECTION(s);
/* changing the channel stops any receive in progress */
macRxOff();
MAC_RADIO_SET_CHANNEL(macPhyChannel);
/* If the channel is updated in the middle of receiving a frame, we must
* clean up the Rx logic.
*/
macRxHaltCleanup();
macRxOnRequest();
}
else
{
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 macRadioUpdateChannel
*
* @brief Update the radio channel if a new channel has been requested.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void macRadioUpdateChannel(void)
{
halIntState_t s;
MAC_ASSERT(!macTxActive); /* cannot change channel during a transmit */
/* if the channel has changed, set the radio to the new channel */
HAL_ENTER_CRITICAL_SECTION(s);
if (reqChannel != macPhyChannel)
{
macPhyChannel = reqChannel;
HAL_EXIT_CRITICAL_SECTION(s);
/* changing the channel stops any receive in progress */
macRxOff();
MAC_RADIO_SET_CHANNEL(macPhyChannel);
macRxOnRequest();
}
else
{
HAL_EXIT_CRITICAL_SECTION(s);
}
}
static
#endif /* USE_ICALL */
void macBackoffTimerEventHandler(void)
{
halIntState_t is;
uint8 events;
HAL_ENTER_CRITICAL_SECTION(is);
events = macBackoffTimerEvents;
macBackoffTimerEvents = 0;
HAL_EXIT_CRITICAL_SECTION(is);
if (events & MAC_BACKOFF_TIMER_EVENT_POWER_WAKEUP)
{
// Wakeup radio
// Turning on radio domain before clock set up seems to cause
// unexpected interrupt.
// Hence interrupt shall be disabled here.
MB_DisableInts();
// Enable clocks for all radio internal modules.
// Use Non-Buff access for safety and check for sanity
HWREG(RFC_PWR_NONBUF_BASE + RFC_PWR_O_PWMCLKEN) = 0x7FF;
/* Setup mailbox */
macSetupMailbox();
#ifdef DEBUG_SW_TRACE
/* re-enable RF trace output for FPGA */
MB_SendCommand( BUILD_DIRECT_PARAM_EXT_CMD( CMD_ENABLE_DEBUG, 0x1D40 ) ); /* or 0x1940 for less trace */
DBG_PRINT0(DBGSYS, "RF Trace Resumes...");
#endif /* DEBUG_SW_TRACE */
/* Start off CM0. Patch it. */
macSetupRfHal();
/* Restore states */
MAC_RADIO_SET_CHANNEL(macPhyChannel);
MAC_RADIO_SET_PAN_COORDINATOR(macPanCoordinator);
MAC_RADIO_SET_PAN_ID(pMacPib->panId);
MAC_RADIO_SET_SHORT_ADDR(pMacPib->shortAddress);
MAC_RADIO_SET_IEEE_ADDR(pMacPib->extendedAddress.addr.extAddr);
#if !defined( USE_FPGA )
#ifdef USE_ICALL
// Switch back to HFOSC.
while (!ICall_pwrIsStableXOSCHF());
ICall_pwrSwitchXOSCHF();
#endif /* USE_ICALL */
#ifdef OSAL_PORT2TIRTOS
// Switches back to HFOSC.
while (!Power_isStableXOSC_HF());
Power_switchXOSC_HF();
#endif /* OSAL_PORT2TIRTOS */
#endif /* !defined( USE_FPGA ) */
/* Synchronize RAT timer */
macSyncStartRAT(macRATValue);
/* Turn on autoack */
MAC_RADIO_TURN_ON_AUTO_ACK();
/* Initialize SRCEXTPENDEN and SRCSHORTPENDEN to zeros */
MAC_RADIO_SRC_MATCH_INIT_EXTPENDEN();
MAC_RADIO_SRC_MATCH_INIT_SHORTPENDEN();
/* Start 15.4 Radio */
macSetupRadio();
/* Restore timer comparators */
MAC_RADIO_BACKOFF_SET_PERIOD(macBackoffTimerRollover);
MAC_RADIO_BACKOFF_SET_COMPARE(backoffTimerTrigger);
#if 0 /* Following code should be disabled normally */
/* Code for wakeup lead time calibration */
{
static uint32 macBackoffTimerMinMargin = 0xffffffffu;
uint32 delta = macPrevPeriodRatCount +
backoffTimerTrigger * MAC_BACKOFF_TO_RAT_RATIO - MAC_RAT_COUNT;
if (delta < macBackoffTimerMinMargin)
{
macBackoffTimerMinMargin = delta;
}
}
#endif
}
/* Note that MAC_BACKOFF_TIMER_EVENT_POWER_TIMER_EXP handling must always
* occur after handling of MAC_BACKOFF_TIMER_EVENT_POWER_WAKEUP event
* because the device might be waking up upon the timer event itself
* in which case, radio has to be turned on before updating the RAT timer.
*/
if (events & MAC_BACKOFF_TIMER_EVENT_POWER_TIMER_EXP)
{
/* Update wakeup schedule, which most likely would vote not to enter
* sleep state. */
HAL_ENTER_CRITICAL_SECTION(is);
MAC_BACKOFF_TIMER_UPDATE_WAKEUP();
HAL_EXIT_CRITICAL_SECTION(is);
}
}