Add defmt::Format to enums behind feature

Author: ryankurte

CHANGELOG.md

@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 
 - Support eMMC peripherals using SDIO module [#458]
+- `defmt::Format` derive on enums behind `defmt` feature
 
 [#418]: https://github.com/stm32-rs/stm32f4xx-hal/pull/418
 [#458]: https://github.com/stm32-rs/stm32f4xx-hal/pull/458

src/time.rs

@@ -2,6 +2,7 @@ pub use fugit::{HertzU32 as Hertz, KilohertzU32 as KiloHertz, MegahertzU32 as Me
 
 /// Bits per second
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Bps(pub u32);
 
 /// Extension trait that adds convenience methods to the `u32` type

src/timer.rs

@@ -39,6 +39,7 @@ pub struct Timer<TIM> {
 }
 
 #[derive(Clone, Copy, PartialEq)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 #[repr(u8)]
 pub enum Channel {
     C1 = 0,
@@ -49,6 +50,7 @@ pub enum Channel {
 
 /// Interrupt events
 #[derive(Clone, Copy, PartialEq)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum SysEvent {
     /// [Timer] timed out / count down ended
     Update,
@@ -65,6 +67,7 @@ bitflags::bitflags! {
 }
 
 #[derive(Debug, Eq, PartialEq, Copy, Clone)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Error {
     /// Timer is disabled
     Disabled,
@@ -196,6 +199,7 @@ impl Timer<SYST> {
 }
 
 #[derive(Clone, Copy, Debug, PartialEq)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 #[repr(u8)]
 pub enum Ocm {
     Frozen = 0,