[riot-notifications] [RIOT-OS/RIOT] cpu/nrf5x: enhance external HF clock source handling to allow for substantial energy savings (#15804)

benpicco notifications at github.com
Sun Jan 24 14:53:39 CET 2021


@benpicco commented on this pull request.



> @@ -446,7 +459,7 @@ int nrf802154_init(void)
     timer_stop(NRF802154_TIMER);
 
     /* power off peripheral */
-    NRF_RADIO->POWER = 0;
+    _power_off();

When this is called, `_hfxo_requests` is already 0, so it will underflow.
Either keep `NRF_RADIO->POWER = 0;` here or add 

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