fixed tickless for RTC, removed it for TIMER
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3c6756556d
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90800edb90
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@ -129,30 +129,6 @@ OSAL_IRQ_HANDLER(Vector6C) {
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OSAL_IRQ_EPILOGUE();
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OSAL_IRQ_EPILOGUE();
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}
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}
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#endif
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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/**
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* @brief System Timer vector. (TIMER0)
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* @details This interrupt is used for freerunning mode (tick-less)
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* if selected with NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER
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*
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* @isr
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*/
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OSAL_IRQ_HANDLER(Vector60) {
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OSAL_IRQ_PROLOGUE();
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/* Clear timer compare event */
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if (NRF_TIMER0->EVENTS_COMPARE[0] != 0)
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NRF_TIMER0->EVENTS_COMPARE[0] = 0;
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osalSysLockFromISR();
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osalOsTimerHandlerI();
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osalSysUnlockFromISR();
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OSAL_IRQ_EPILOGUE();
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}
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#endif
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#endif
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#endif
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/*===========================================================================*/
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/*===========================================================================*/
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@ -172,34 +148,12 @@ void st_lld_init(void) {
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NRF_RTC0->PRESCALER = (NRF51_LFCLK_FREQUENCY / OSAL_ST_FREQUENCY) - 1;
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NRF_RTC0->PRESCALER = (NRF51_LFCLK_FREQUENCY / OSAL_ST_FREQUENCY) - 1;
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NRF_RTC0->EVTENCLR = RTC_EVTEN_COMPARE0_Msk;
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NRF_RTC0->EVTENCLR = RTC_EVTEN_COMPARE0_Msk;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->INTENSET = RTC_INTENSET_COMPARE0_Msk;
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/* Start timer */
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/* Start timer */
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nvicEnableVector(RTC0_IRQn, 8);
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nvicEnableVector(RTC0_IRQn, 8);
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NRF_RTC0->TASKS_START = 1;
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NRF_RTC0->TASKS_START = 1;
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#endif
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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NRF_TIMER0->TASKS_CLEAR = 1;
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/*
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* Using 32-bit mode with prescaler 16 configures this
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* timer with a 1MHz clock.
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*/
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NRF_TIMER0->BITMODE = 3;
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NRF_TIMER0->PRESCALER = 4;
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/*
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* Configure timer 0 compare capture 1 to generate interrupt
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* for overflow according to ST_OVERFLOW_VALUE
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*/
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NRF_TIMER0->CC[0] = (1000000 / OSAL_ST_FREQUENCY) - 1;
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NRF_TIMER0->SHORTS = 1;
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NRF_TIMER0->INTENSET = 0x10000;
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/* Start timer */
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nvicEnableVector(TIMER0_IRQn, 8);
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NRF_TIMER0->TASKS_START = 1;
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#endif
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
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#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
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#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
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#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
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@ -70,8 +70,9 @@
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#error "CH_CFG_ST_TIMEDELTA is too low"
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#error "CH_CFG_ST_TIMEDELTA is too low"
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#endif
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#endif
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#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING)
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#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) && \
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#error "Freeruning (tick-less) mode currently not working"
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(NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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#error "Freeruning (tick-less) mode not supported with TIMER, use RTC"
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#endif
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#endif
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/*===========================================================================*/
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/*===========================================================================*/
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@ -106,13 +107,7 @@ extern "C" {
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* @notapi
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* @notapi
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*/
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*/
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static inline systime_t st_lld_get_counter(void) {
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static inline systime_t st_lld_get_counter(void) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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return (systime_t)NRF_RTC0->COUNTER;
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return (systime_t)NRF_RTC0->COUNTER;
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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NRF_TIMER0->TASKS_CAPTURE[1] = 1;
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return (systime_t)NRF_TIMER0->CC[1];
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#endif
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}
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}
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/**
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/**
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@ -125,16 +120,9 @@ static inline systime_t st_lld_get_counter(void) {
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* @notapi
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* @notapi
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*/
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*/
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static inline void st_lld_start_alarm(systime_t abstime) {
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static inline void st_lld_start_alarm(systime_t abstime) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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NRF_RTC0->CC[0] = abstime;
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NRF_RTC0->CC[0] = abstime;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->EVTENSET = RTC_EVTEN_COMPARE0_Msk;
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NRF_RTC0->EVTENSET = RTC_EVTENSET_COMPARE0_Msk;
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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NRF_TIMER0->CC[0] = abstime;
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NRF_TIMER0->EVENTS_COMPARE[0] = 0;
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NRF_TIMER0->INTENSET = TIMER_INTENSET_COMPARE0_Msk;
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#endif
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}
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}
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/**
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/**
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@ -143,14 +131,8 @@ static inline void st_lld_start_alarm(systime_t abstime) {
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* @notapi
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* @notapi
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*/
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*/
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static inline void st_lld_stop_alarm(void) {
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static inline void st_lld_stop_alarm(void) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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NRF_RTC0->EVTENCLR = RTC_EVTENCLR_COMPARE0_Msk;
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NRF_RTC0->EVTENCLR = RTC_EVTEN_COMPARE0_Msk;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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NRF_RTC0->EVENTS_COMPARE[0] = 0;
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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NRF_TIMER0->INTENCLR = TIMER_INTENCLR_COMPARE0_Msk;
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NRF_TIMER0->EVENTS_COMPARE[0] = 0;
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#endif
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}
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}
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/**
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/**
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@ -161,12 +143,7 @@ static inline void st_lld_stop_alarm(void) {
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* @notapi
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* @notapi
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*/
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*/
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static inline void st_lld_set_alarm(systime_t abstime) {
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static inline void st_lld_set_alarm(systime_t abstime) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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NRF_RTC0->CC[0] = abstime;
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NRF_RTC0->CC[0] = abstime;
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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NRF_TIMER0->CC[0] = abstime;
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#endif
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}
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}
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/**
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/**
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@ -177,12 +154,7 @@ static inline void st_lld_set_alarm(systime_t abstime) {
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* @notapi
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* @notapi
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*/
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*/
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static inline systime_t st_lld_get_alarm(void) {
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static inline systime_t st_lld_get_alarm(void) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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return (systime_t)NRF_RTC0->CC[0];
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return (systime_t)NRF_RTC0->CC[0];
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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return (systime_t)NRF_TIMER0->CC[0];
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#endif
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}
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}
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/**
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/**
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@ -195,12 +167,7 @@ static inline systime_t st_lld_get_alarm(void) {
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* @notapi
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* @notapi
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*/
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*/
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static inline bool st_lld_is_alarm_active(void) {
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static inline bool st_lld_is_alarm_active(void) {
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_RTC)
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return NRF_RTC0->EVTEN & RTC_EVTEN_COMPARE0_Msk;
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return NRF_RTC0->EVTEN & RTC_INTENSET_COMPARE0_Msk;
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#endif
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#if (NRF51_SYSTEM_TICKS == NRF51_SYSTEM_TICKS_AS_TIMER)
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return false;
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#endif
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}
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}
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#endif /* _ST_LLD_H_ */
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#endif /* _ST_LLD_H_ */
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