fix temperature sensor reading in nrf52dk platform, which was stuck at zero

2019-01-09 14:02:01 +01:00 · 2019-01-09 14:02:01 +01:00 · cd1b23ff38
commit cd1b23ff38
parent 4928a5e1e0
1 changed files with 9 additions and 1 deletions
--- a/arch/platform/nrf52dk/dev/temperature-sensor.c
+++ b/arch/platform/nrf52dk/dev/temperature-sensor.c
@ -64,7 +64,15 @@ static int
 value(int type)
 {
 #ifndef SOFTDEVICE_PRESENT
-  return nrf_temp_read();
+  int32_t volatile temp;
+
+  NRF_TEMP->TASKS_START = 1;
+  while(NRF_TEMP->EVENTS_DATARDY == 0);
+  NRF_TEMP->EVENTS_DATARDY = 0;
+  temp = nrf_temp_read();
+  NRF_TEMP->TASKS_STOP = 1;
+
+  return temp;
 #else
  int32_t temp;
  sd_temp_get(&temp);