void lp_ticker_init(void) {
if (lp_ticker_inited) {
return;
}
lp_ticker_inited = 1;
// RTC might be configured already, don't reset it
RTC_HAL_SetSupervisorAccessCmd(RTC_BASE, true);
if (!RTC_HAL_IsCounterEnabled(RTC_BASE)) {
// select RTC for OSC32KSEL
CLOCK_HAL_SetSource(SIM_BASE, kClockOsc32kSel, 2);
// configure RTC
SIM_HAL_EnableRtcClock(SIM_BASE, 0U);
RTC_HAL_Init(RTC_BASE);
RTC_HAL_Enable(RTC_BASE);
for (volatile uint32_t wait_count = 0; wait_count < 1000000; wait_count++);
RTC_HAL_SetAlarmIntCmd(RTC_BASE, false);
RTC_HAL_SetSecsIntCmd(RTC_BASE, false);
RTC_HAL_SetAlarmReg(RTC_BASE, 0);
RTC_HAL_EnableCounter(RTC_BASE, true);
}
vIRQ_ClearPendingIRQ(RTC_IRQn);
vIRQ_SetVector(RTC_IRQn, (uint32_t)rct_isr);
vIRQ_EnableIRQ(RTC_IRQn);
// configure LPTMR
CLOCK_SYS_EnableLptimerClock(0);
LPTMR0_CSR = 0x00;
LPTMR0_PSR = 0x00;
LPTMR0_CMR = 0x00;
LPTMR_HAL_SetTimerModeMode(LPTMR0_BASE, kLptmrTimerModeTimeCounter);
LPTMR0_PSR |= LPTMR_PSR_PCS(0x2) | LPTMR_PSR_PBYP_MASK;
LPTMR_HAL_SetIntCmd(LPTMR0_BASE, 1);
LPTMR_HAL_SetFreeRunningCmd(LPTMR0_BASE, 0);
IRQn_Type timer_irq[] = LPTMR_IRQS;
vIRQ_SetVector(timer_irq[0], (uint32_t)lptmr_isr);
vIRQ_EnableIRQ(timer_irq[0]);
}
void RTC_DRV_SecsIntAction(uint32_t instance)
{
RTC_HAL_SetSecsIntCmd(g_rtcBaseAddr[instance], false);
}
void RTC_DRV_SetSecsIntCmd(uint32_t instance, bool secondsEnable)
{
RTC_HAL_SetSecsIntCmd(g_rtcBaseAddr[instance], secondsEnable);
}
