Diff: targets/TARGET_NORDIC/TARGET_NRF5/lp_ticker.c

Revision:

183:a56a73fd2a6f

Parent:

174:b96e65c34a4d

--- a/targets/TARGET_NORDIC/TARGET_NRF5/lp_ticker.c	Fri Feb 16 16:09:33 2018 +0000
+++ b/targets/TARGET_NORDIC/TARGET_NRF5/lp_ticker.c	Tue Mar 20 16:56:18 2018 +0000
@@ -18,6 +18,7 @@
 #if DEVICE_LOWPOWERTIMER
 
 #include "common_rtc.h"
+#include "mbed_critical.h"
 
 void lp_ticker_init(void)
 {
@@ -37,10 +38,10 @@
 
 void lp_ticker_fire_interrupt(void)
 {
-    uint32_t closest_safe_compare = common_rtc_32bit_ticks_get() + 2;
-
-    nrf_rtc_cc_set(COMMON_RTC_INSTANCE, LP_TICKER_CC_CHANNEL, RTC_WRAP(closest_safe_compare));
-    nrf_rtc_event_enable(COMMON_RTC_INSTANCE, LP_TICKER_INT_MASK);
+    core_util_critical_section_enter();
+    m_common_sw_irq_flag |= LP_TICKER_SW_IRQ_MASK;
+    NVIC_SetPendingIRQ(RTC1_IRQn);
+    core_util_critical_section_exit();
 }
 
 void lp_ticker_disable_interrupt(void)