Change nRF RTC implementation to use RTC2 adafruit#1046

nickzoic · nickzoic · commit 94bda3bde15e · 2019-04-02T13:28:22.000+11:00
(to avoid interference with Bluetooth Softdevice. See adafruit#1534 (comment) with thanks to @bboser for pointing it out)
diff --git a/ports/nrf/common-hal/rtc/RTC.c b/ports/nrf/common-hal/rtc/RTC.c
@@ -43,7 +43,7 @@
 
 volatile static uint32_t rtc_offset = 0;
 
-const nrfx_rtc_t rtc_instance = NRFX_RTC_INSTANCE(0);
+const nrfx_rtc_t rtc_instance = NRFX_RTC_INSTANCE(2);
 
 const nrfx_rtc_config_t rtc_config = {
 	.prescaler = RTC_FREQ_TO_PRESCALER(RTC_CLOCK_HZ),
diff --git a/ports/nrf/nrfx_config.h b/ports/nrf/nrfx_config.h
@@ -72,6 +72,8 @@
 
 #define NRFX_RTC_ENABLED 1
 #define NRFX_RTC0_ENABLED 1
+#define NRFX_RTC1_ENABLED 1
+#define NRFX_RTC2_ENABLED 1
 
 // TIMERS
 #define NRFX_TIMER_ENABLED 1
