rcc: more cleanup

2023-09-08 18:20:58 -05:00
parent 48154e18bf
commit 11a78fb1e4
12 changed files with 79 additions and 115 deletions
--- a/embassy-stm32/src/rtc/v2.rs
+++ b/embassy-stm32/src/rtc/v2.rs
@ -270,9 +270,18 @@ impl sealed::Instance for crate::peripherals::RTC {
        }
        #[cfg(any(rtc_v2f2))]
        {
+            // enable peripheral clock for communication
            crate::pac::RCC.apb1enr().modify(|w| w.set_pwren(true));
+
+            // read to allow the pwr clock to enable
            crate::pac::PWR.cr().read();
        }
+
+        #[cfg(any(rtc_v2f0))]
+        {
+            // enable peripheral clock for communication
+            crate::pac::RCC.apb1enr().modify(|w| w.set_pwren(true));
+        }
    }

    fn read_backup_register(rtc: &Rtc, register: usize) -> Option<u32> {