Enable RCC within the USART itself.

embassy-stm32/src/usart/mod.rs

@@ -1,7 +1,7 @@
 #![macro_use]
 
 #[cfg_attr(usart_v1, path = "v1.rs")]
-#[cfg_attr(usart_v2, path = "v2.rs")]
+//#[cfg_attr(usart_v2, path = "v2.rs")]
 mod _version;
 use crate::peripherals;
 pub use _version::*;

embassy-stm32/src/usart/v1.rs

@@ -63,14 +63,11 @@ impl<'d, T: Instance> Uart<'d, T> {
         rx: impl Unborrow<Target = impl RxPin<T>>,
         tx: impl Unborrow<Target = impl TxPin<T>>,
         config: Config,
-        //pclk_freq: u32,
     ) -> Self {
         unborrow!(inner, rx, tx);
 
+        T::enable();
         let pclk_freq = T::frequency();
-        //let pclk_freq = 16_000_000;
-
-        // TODO: enable in RCC
 
         // TODO: better calculation, including error checking and OVER8 if possible.
         let div = (pclk_freq.0 + (config.baudrate / 2)) / config.baudrate;