Resolve some of the comments

* Rename struct Timer to TimerDriver
* Fix typo in fn attach_timerX
* Remove OptionalOutputPin

Author: usbalbin

examples/mcpwm-simple.rs

@@ -61,7 +61,7 @@ fn main() -> anyhow::Result<()> {
     use embedded_hal::delay::DelayUs;
 
     use esp_idf_hal::delay::FreeRtos;
-    use esp_idf_hal::mcpwm::{OperatorConfig, Timer, TimerConfig};
+    use esp_idf_hal::mcpwm::{OperatorConfig, TimerConfig, TimerDriver};
     use esp_idf_hal::prelude::Peripherals;
 
     esp_idf_sys::link_patches();
@@ -71,11 +71,11 @@ fn main() -> anyhow::Result<()> {
     let peripherals = Peripherals::take().unwrap();
     let timer_config = TimerConfig::default().period_ticks(8_000); // 10kHz
     let operator_config = OperatorConfig::default(peripherals.pins.gpio4, peripherals.pins.gpio5);
-    let timer = Timer::new(peripherals.mcpwm0.timer0, timer_config);
+    let timer = TimerDriver::new(peripherals.mcpwm0.timer0, timer_config);
 
     let mut timer = timer
         .into_connection()
-        .attatch_operator0(peripherals.mcpwm0.operator0, operator_config);
+        .attach_operator0(peripherals.mcpwm0.operator0, operator_config);
 
     // Borrow references to the contained timer and operator
     let (timer, operator, _, _) = timer.split();

src/mcpwm/mod.rs

@@ -89,7 +89,7 @@ pub use self::{
     generator::{GeneratorAction, GeneratorConfig},
     operator::{Operator, OPERATOR},
     operator_config::OperatorConfig,
-    timer::{Timer, TimerConfig, TIMER},
+    timer::{TimerConfig, TimerDriver, TIMER},
     timer_connection::TimerConnection,
 };
 

src/mcpwm/timer.rs

@@ -75,7 +75,7 @@ impl TimerConfig {
     }
 }
 
-pub struct Timer<const N: u8, G: Group> {
+pub struct TimerDriver<const N: u8, G: Group> {
     _group: G,
     handle: mcpwm_timer_handle_t,
     _timer: TIMER<N, G>,
@@ -90,7 +90,7 @@ pub struct Timer<const N: u8, G: Group> {
     period_peak: u16,
 }
 
-impl<const N: u8, G: Group> Timer<N, G> {
+impl<const N: u8, G: Group> TimerDriver<N, G> {
     pub fn new(timer: TIMER<N, G>, config: TimerConfig) -> Self {
         let mut flags: mcpwm_timer_config_t__bindgen_ty_1 = Default::default();
 
@@ -186,7 +186,7 @@ impl<const N: u8, G: Group> Timer<N, G> {
 
 // TODO: Should this be done in TimerConnection instead to ensure everything is taken down
 // in the correct order?
-impl<const N: u8, G: Group> Drop for Timer<N, G> {
+impl<const N: u8, G: Group> Drop for TimerDriver<N, G> {
     fn drop(&mut self) {
         unsafe {
             esp!(mcpwm_del_timer(self.handle)).unwrap();

src/mcpwm/timer_connection.rs

@@ -4,7 +4,7 @@ use super::{
     comparator::OptionalCmpCfg,
     generator::OptionalGenCfg,
     operator::{self, NoOperator, OptionalOperator, OPERATOR},
-    timer::Timer,
+    timer::TimerDriver,
     Operator, OperatorConfig,
 };
 
@@ -16,14 +16,14 @@ where
     O1: OptionalOperator<1, G>,
     O2: OptionalOperator<2, G>,
 {
-    timer: Timer<N, G>,
+    timer: TimerDriver<N, G>,
     operator0: O0,
     operator1: O1,
     operator2: O2,
 }
 
 impl<const N: u8, G: Group> TimerConnection<N, G, NoOperator, NoOperator, NoOperator> {
-    pub(crate) fn new(timer: Timer<N, G>) -> Self {
+    pub(crate) fn new(timer: TimerDriver<N, G>) -> Self {
         Self {
             timer,
             operator0: NoOperator,
@@ -46,7 +46,7 @@ impl<
         O2: OptionalOperator<2, G>,
     > TimerConnection<N, G, O0, O1, O2>
 {
-    pub fn split(&mut self) -> (&mut Timer<N, G>, &mut O0, &mut O1, &mut O2) {
+    pub fn split(&mut self) -> (&mut TimerDriver<N, G>, &mut O0, &mut O1, &mut O2) {
         (
             &mut self.timer,
             &mut self.operator0,
@@ -63,7 +63,7 @@ where
     O2: OptionalOperator<2, G>,
 {
     #[allow(clippy::type_complexity)]
-    pub fn attatch_operator0<CMPX, CMPY, GENA, GENB>(
+    pub fn attach_operator0<CMPX, CMPY, GENA, GENB>(
         self,
         operator_handle: OPERATOR<0, G>,
         operator_cfg: OperatorConfig<CMPX, CMPY, GENA, GENB>,
@@ -91,7 +91,7 @@ where
     O2: OptionalOperator<2, G>,
 {
     #[allow(clippy::type_complexity)]
-    pub fn attatch_operator1<CMPX, CMPY, GENA, GENB>(
+    pub fn attach_operator1<CMPX, CMPY, GENA, GENB>(
         self,
         operator_handle: OPERATOR<1, G>,
         operator_cfg: OperatorConfig<CMPX, CMPY, GENA, GENB>,
@@ -119,7 +119,7 @@ where
     O1: OptionalOperator<1, G>,
 {
     #[allow(clippy::type_complexity)]
-    pub fn attatch_operator2<CMPX, CMPY, GENA, GENB>(
+    pub fn attach_operator2<CMPX, CMPY, GENA, GENB>(
         self,
         operator_handle: OPERATOR<2, G>,
         operator_cfg: OperatorConfig<CMPX, CMPY, GENA, GENB>,
@@ -154,8 +154,3 @@ impl<const N: u8, G, O0, O1, O2> Drop for TimerConnection<N, G, O0, O1, O2>
     }
 }
 */
-
-// TODO: Should this be moved somewhere else?
-pub trait OptionalOutputPin {}
-
-impl<P: crate::gpio::OutputPin> OptionalOutputPin for P {}

src/peripherals.rs

@@ -180,9 +180,17 @@ impl Peripherals {
             can: can::CAN::new(),
             #[cfg(not(feature = "riscv-ulp-hal"))]
             ledc: ledc::LEDC::new(),
-            #[cfg(all(any(esp32, esp32s3), esp_idf_version_major = "5"))]
+            #[cfg(all(
+                any(esp32, esp32s3),
+                not(feature = "riscv-ulp-hal"),
+                esp_idf_version_major = "5"
+            ))]
             mcpwm0: mcpwm::MCPWM::<mcpwm::Group0>::new(),
-            #[cfg(all(any(esp32, esp32s3), esp_idf_version_major = "5"))]
+            #[cfg(all(
+                any(esp32, esp32s3),
+                not(feature = "riscv-ulp-hal"),
+                esp_idf_version_major = "5"
+            ))]
             mcpwm1: mcpwm::MCPWM::<mcpwm::Group1>::new(),
             #[cfg(not(feature = "riscv-ulp-hal"))]
             rmt: rmt::RMT::new(),