source/rtc.cpp


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#include "rtc.hpp"
#include <bluefruit.h>

nrf_drv_rtc_t RTC::rtc = NRF_DRV_RTC_INSTANCE(2);
unsigned int RTC::rtcCount = 0;

void RTC::begin(void)
{
	//Initialize RTC instance
	nrf_drv_rtc_config_t rtc_config = {
		4095,
		RTC_DEFAULT_CONFIG_IRQ_PRIORITY,
		RTC_US_TO_TICKS(NRF_MAXIMUM_LATENCY_US, RTC_DEFAULT_CONFIG_FREQUENCY),
		RTC_DEFAULT_CONFIG_RELIABLE
	};
	
	Serial.println(nrf_drv_rtc_init(&rtc, &rtc_config, handler));
	nrf_drv_rtc_tick_enable(&rtc, true);
	nrf_drv_rtc_enable(&rtc);
}

void RTC::handler([[maybe_unused]] nrf_drv_rtc_int_type_t int_type)
{
  static unsigned char counter = 0;
  if (int_type == NRF_DRV_RTC_INT_TICK) {
          if (++counter == 8) {
        	  counter = 0;
        	  rtcCount++;
          }
  }
}