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add rtc1_getCounter64()

pull/932/head
Rohit Grover 2015-03-16 14:04:00 +00:00
parent 8febc5aa93
commit 712b53ff64
1 changed files with 14 additions and 3 deletions
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17
libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/us_ticker.c
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@ -124,16 +124,27 @@ void rtc1_stop(void)
/** /**
* @brief Function for returning the current value of the RTC1 counter. * @brief Function for returning the current value of the RTC1 counter.
* *
* @return Current RTC1 counter as a 32-bit value (even though the underlying counter is 24-bit) * @return Current RTC1 counter as a 64-bit value with 56-bit precision (even
* though the underlying counter is 24-bit)
*/ */
static inline uint32_t rtc1_getCounter(void) static inline uint64_t rtc1_getCounter64(void)
{ {
if (NRF_RTC1->EVENTS_OVRFLW) { if (NRF_RTC1->EVENTS_OVRFLW) {
overflowCount++; overflowCount++;
NRF_RTC1->EVENTS_OVRFLW = 0; NRF_RTC1->EVENTS_OVRFLW = 0;
NRF_RTC1->EVTENCLR = RTC_EVTEN_OVRFLW_Msk; NRF_RTC1->EVTENCLR = RTC_EVTEN_OVRFLW_Msk;
} }
return (overflowCount << 24) | NRF_RTC1->COUNTER; return ((uint64_t)overflowCount << 24) | NRF_RTC1->COUNTER;
}
/**
* @brief Function for returning the current value of the RTC1 counter.
*
* @return Current RTC1 counter as a 32-bit value (even though the underlying counter is 24-bit)
*/
static inline uint32_t rtc1_getCounter(void)
{
return rtc1_getCounter64();
} }
/** /**