[riot-notifications] [RIOT-OS/RIOT] sam0_common: make RTC implementation common across all sam0 MCUs (#11317)

benpicco notifications at github.com
Fri Apr 12 13:04:13 CEST 2019


benpicco commented on this pull request.



>  
-    /* Software Reset the RTC */
-    RTC->MODE2.CTRLA.bit.SWRST = 1;
-    /* Wait end of reset */
-    while (RTC->MODE2.CTRLA.bit.SWRST);
+void rtc_init(void)
+{
+    rtc_poweron();

Well you mentioned it is necessary for the device to be powered for `rtc_clock_setup()` to work on saml10.

Nothing should have enabled the RTC before this function is called, so it would stall again.

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