1 files changed, 21 insertions, 14 deletions

diff --git a/embassy-stm32/src/timer/mod.rs b/embassy-stm32/src/timer/mod.rs
index b09bc7166..998e3a6f4 100644
--- a/embassy-stm32/src/timer/mod.rs
+++ b/embassy-stm32/src/timer/mod.rs
@@ -12,8 +12,11 @@ pub mod low_level;
 pub mod one_pulse;
 pub mod pwm_input;
 pub mod qei;
+pub mod ringbuffered;
 pub mod simple_pwm;
 
+use crate::dma::word::Word;
+use crate::fmt::Debuggable;
 use crate::interrupt;
 use crate::rcc::RccPeripheral;
 
@@ -162,7 +165,12 @@ pub trait CoreInstance: SealedInstance + 'static {
     type UpdateInterrupt: interrupt::typelevel::Interrupt;
 
     /// Amount of bits this timer has.
-    const BITS: TimerBits;
+    type Word: Word
+        + TryInto<u16, Error: Debuggable>
+        + From<u16>
+        + TryFrom<u32, Error: Debuggable>
+        + Into<u32>
+        + TryFrom<u64, Error: Debuggable>;
 
     /// Registers for this timer.
     ///
@@ -240,7 +248,7 @@ dma_trait!(Dma, GeneralInstance4Channel, TimerChannel);
 
 #[allow(unused)]
 macro_rules! impl_core_timer {
-    ($inst:ident, $bits:expr) => {
+    ($inst:ident, $bits:ident) => {
         impl SealedInstance for crate::peripherals::$inst {
             fn state() -> &'static State {
                 static STATE: State = State::new();
@@ -250,8 +258,7 @@ macro_rules! impl_core_timer {
 
         impl CoreInstance for crate::peripherals::$inst {
             type UpdateInterrupt = crate::_generated::peripheral_interrupts::$inst::UP;
-
-            const BITS: TimerBits = $bits;
+            type Word = $bits;
 
             fn regs() -> *mut () {
                 crate::pac::$inst.as_ptr()
@@ -305,13 +312,13 @@ macro_rules! impl_general_4ch_blank_sealed {
 
 foreach_interrupt! {
     ($inst:ident, timer, TIM_BASIC, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
     };
 
     ($inst:ident, timer, TIM_1CH, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -321,7 +328,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_2CH, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -331,7 +338,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_GP16, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -341,7 +348,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_GP32, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits32);
+        impl_core_timer!($inst, u32);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -352,7 +359,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_1CH_CMP, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -365,7 +372,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_2CH_CMP, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -378,7 +385,7 @@ foreach_interrupt! {
     };
 
     ($inst:ident, timer, TIM_ADV, UP, $irq:ident) => {
-        impl_core_timer!($inst, TimerBits::Bits16);
+        impl_core_timer!($inst, u16);
         impl BasicNoCr2Instance for crate::peripherals::$inst {}
         impl BasicInstance for crate::peripherals::$inst {}
         impl_general_1ch!($inst);
@@ -399,7 +406,7 @@ pub struct UpdateInterruptHandler<T: CoreInstance> {
 impl<T: CoreInstance> interrupt::typelevel::Handler<T::UpdateInterrupt> for UpdateInterruptHandler<T> {
     unsafe fn on_interrupt() {
         #[cfg(feature = "low-power")]
-        crate::low_power::on_wakeup_irq();
+        crate::low_power::Executor::on_wakeup_irq_or_event();
 
         let regs = crate::pac::timer::TimCore::from_ptr(T::regs());
 
@@ -429,7 +436,7 @@ impl<T: GeneralInstance1Channel> interrupt::typelevel::Handler<T::CaptureCompare
 {
     unsafe fn on_interrupt() {
         #[cfg(feature = "low-power")]
-        crate::low_power::on_wakeup_irq();
+        crate::low_power::Executor::on_wakeup_irq_or_event();
 
         let regs = crate::pac::timer::TimGp16::from_ptr(T::regs());