diff --git a/arch/platform/nrf52dk/dev/temperature-sensor.c b/arch/platform/nrf52dk/dev/temperature-sensor.c index 5aac8b3ef..f42fd3fe3 100644 --- a/arch/platform/nrf52dk/dev/temperature-sensor.c +++ b/arch/platform/nrf52dk/dev/temperature-sensor.c @@ -64,7 +64,16 @@ static int value(int type) { #ifndef SOFTDEVICE_PRESENT - return nrf_temp_read(); + int32_t volatile temp; + + NRF_TEMP->TASKS_START = 1; + /* nRF52832 datasheet: one temperature measurement takes typically 36 us */ + RTIMER_BUSYWAIT_UNTIL(NRF_TEMP->EVENTS_DATARDY, RTIMER_SECOND * 72 / 1000000); + NRF_TEMP->EVENTS_DATARDY = 0; + temp = nrf_temp_read(); + NRF_TEMP->TASKS_STOP = 1; + + return temp; #else int32_t temp; sd_temp_get(&temp);