add methods with macro

5 files changed, 281 insertions, 307 deletions

diff --git a/embassy-stm32/src/timer/complementary_pwm.rs b/embassy-stm32/src/timer/complementary_pwm.rs
index 0470e3048..b9cd044c9 100644
--- a/embassy-stm32/src/timer/complementary_pwm.rs
+++ b/embassy-stm32/src/timer/complementary_pwm.rs
@@ -1,6 +1,7 @@
 //! PWM driver with complementary output support.
 
 use core::marker::PhantomData;
+use core::ops::{Deref, DerefMut};
 
 use embassy_hal_internal::{into_ref, PeripheralRef};
 use stm32_metapac::timer::vals::Ckd;
@@ -23,7 +24,7 @@ pub struct ComplementaryPwmPin<'d, T, C> {
 
 macro_rules! complementary_channel_impl {
     ($new_chx:ident, $channel:ident, $pin_trait:ident) => {
-        impl<'d, T: CaptureCompare16bitInstance> ComplementaryPwmPin<'d, T, $channel> {
+        impl<'d, T: AdvancedControlInstance> ComplementaryPwmPin<'d, T, $channel> {
             #[doc = concat!("Create a new ", stringify!($channel), " complementary PWM pin instance.")]
             pub fn $new_chx(pin: impl Peripheral<P = impl $pin_trait<T>> + 'd, output_type: OutputType) -> Self {
                 into_ref!(pin);
@@ -52,7 +53,7 @@ pub struct ComplementaryPwm<'d, T> {
     inner: PeripheralRef<'d, T>,
 }
 
-impl<'d, T: GeneralPurpose16bitInstance + ComplementaryCaptureCompare16bitInstance> ComplementaryPwm<'d, T> {
+impl<'d, T: AdvancedControlInstance> ComplementaryPwm<'d, T> {
     /// Create a new complementary PWM driver.
     #[allow(clippy::too_many_arguments)]
     pub fn new(
@@ -84,27 +85,30 @@ impl<'d, T: GeneralPurpose16bitInstance + ComplementaryCaptureCompare16bitInstan
 
         this.inner.enable_outputs();
 
-        this.inner
-            .set_output_compare_mode(Channel::Ch1, OutputCompareMode::PwmMode1);
-        this.inner
-            .set_output_compare_mode(Channel::Ch2, OutputCompareMode::PwmMode1);
-        this.inner
-            .set_output_compare_mode(Channel::Ch3, OutputCompareMode::PwmMode1);
-        this.inner
-            .set_output_compare_mode(Channel::Ch4, OutputCompareMode::PwmMode1);
+        [Channel::Ch1, Channel::Ch2, Channel::Ch3, Channel::Ch4]
+            .iter()
+            .for_each(|&channel| {
+                sealed::GeneralPurpose16bitInstance::set_output_compare_mode(
+                    this.inner.deref_mut(),
+                    channel,
+                    OutputCompareMode::PwmMode1,
+                );
+                sealed::GeneralPurpose16bitInstance::set_output_compare_preload(this.inner.deref_mut(), channel, true);
+            });
+
         this
     }
 
     /// Enable the given channel.
     pub fn enable(&mut self, channel: Channel) {
-        self.inner.enable_channel(channel, true);
-        self.inner.enable_complementary_channel(channel, true);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, true);
+        sealed::AdvancedControlInstance::enable_complementary_channel(self.inner.deref_mut(), channel, true);
     }
 
     /// Disable the given channel.
     pub fn disable(&mut self, channel: Channel) {
-        self.inner.enable_complementary_channel(channel, false);
-        self.inner.enable_channel(channel, false);
+        sealed::AdvancedControlInstance::enable_complementary_channel(self.inner.deref_mut(), channel, false);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, false);
     }
 
     /// Set PWM frequency.
@@ -132,13 +136,13 @@ impl<'d, T: GeneralPurpose16bitInstance + ComplementaryCaptureCompare16bitInstan
     /// The value ranges from 0 for 0% duty, to [`get_max_duty`](Self::get_max_duty) for 100% duty, both included.
     pub fn set_duty(&mut self, channel: Channel, duty: u16) {
         assert!(duty <= self.get_max_duty());
-        self.inner.set_compare_value(channel, duty)
+        sealed::GeneralPurpose16bitInstance::set_compare_value(self.inner.deref_mut(), channel, duty)
     }
 
     /// Set the output polarity for a given channel.
     pub fn set_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
-        self.inner.set_output_polarity(channel, polarity);
-        self.inner.set_complementary_output_polarity(channel, polarity);
+        sealed::GeneralPurpose16bitInstance::set_output_polarity(self.inner.deref_mut(), channel, polarity);
+        sealed::AdvancedControlInstance::set_complementary_output_polarity(self.inner.deref_mut(), channel, polarity);
     }
 
     /// Set the dead time as a proportion of max_duty
@@ -150,19 +154,19 @@ impl<'d, T: GeneralPurpose16bitInstance + ComplementaryCaptureCompare16bitInstan
     }
 }
 
-impl<'d, T: ComplementaryCaptureCompare16bitInstance> embedded_hal_02::Pwm for ComplementaryPwm<'d, T> {
+impl<'d, T: AdvancedControlInstance> embedded_hal_02::Pwm for ComplementaryPwm<'d, T> {
     type Channel = Channel;
     type Time = Hertz;
     type Duty = u16;
 
     fn disable(&mut self, channel: Self::Channel) {
-        self.inner.enable_complementary_channel(channel, false);
-        self.inner.enable_channel(channel, false);
+        sealed::AdvancedControlInstance::enable_complementary_channel(self.inner.deref_mut(), channel, false);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, false);
     }
 
     fn enable(&mut self, channel: Self::Channel) {
-        self.inner.enable_channel(channel, true);
-        self.inner.enable_complementary_channel(channel, true);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, true);
+        sealed::AdvancedControlInstance::enable_complementary_channel(self.inner.deref_mut(), channel, true);
     }
 
     fn get_period(&self) -> Self::Time {
@@ -170,7 +174,7 @@ impl<'d, T: ComplementaryCaptureCompare16bitInstance> embedded_hal_02::Pwm for C
     }
 
     fn get_duty(&self, channel: Self::Channel) -> Self::Duty {
-        self.inner.get_compare_value(channel)
+        sealed::GeneralPurpose16bitInstance::get_compare_value(self.inner.deref(), channel)
     }
 
     fn get_max_duty(&self) -> Self::Duty {
@@ -179,7 +183,7 @@ impl<'d, T: ComplementaryCaptureCompare16bitInstance> embedded_hal_02::Pwm for C
 
     fn set_duty(&mut self, channel: Self::Channel, duty: Self::Duty) {
         assert!(duty <= self.get_max_duty());
-        self.inner.set_compare_value(channel, duty)
+        sealed::GeneralPurpose16bitInstance::set_compare_value(self.inner.deref_mut(), channel, duty)
     }
 
     fn set_period<P>(&mut self, period: P)
diff --git a/embassy-stm32/src/timer/mod.rs b/embassy-stm32/src/timer/mod.rs
index f66b4d094..2f5d5770a 100644
--- a/embassy-stm32/src/timer/mod.rs
+++ b/embassy-stm32/src/timer/mod.rs
@@ -2,8 +2,6 @@
 
 // Timer inheritance
 //
-//                       CaptureCompare16bitInstance       ComplementaryCaptureCompare16bitInstance
-//                                  v                                v
 // Core -------------------------> 1CH -------------------------> 1CH_CMP
 //   |                              |                              ^   |
 //   +--> Basic_NoCr2 --> Basic     +--> 2CH --> GP16 --> GP32     |   +--> 2CH_CMP --> ADV
@@ -33,6 +31,156 @@ pub mod low_level {
 pub(crate) mod sealed {
     use super::*;
 
+    macro_rules! add_capture_compare_common_methods {
+        ($regs:ident) => {
+            /// Set input capture filter.
+            fn set_input_capture_filter(&mut self, channel: Channel, icf: vals::FilterValue) {
+                let raw_channel = channel.index();
+                Self::$regs()
+                    .ccmr_input(raw_channel / 2)
+                    .modify(|r| r.set_icf(raw_channel % 2, icf));
+            }
+
+            /// Clear input interrupt.
+            fn clear_input_interrupt(&mut self, channel: Channel) {
+                Self::$regs().sr().modify(|r| r.set_ccif(channel.index(), false));
+            }
+
+            /// Enable input interrupt.
+            fn enable_input_interrupt(&mut self, channel: Channel, enable: bool) {
+                Self::$regs()
+                    .dier()
+                    .modify(|r| r.set_ccie(channel.index(), enable));
+            }
+
+            /// Set input capture prescaler.
+            fn set_input_capture_prescaler(&mut self, channel: Channel, factor: u8) {
+                let raw_channel = channel.index();
+                Self::$regs()
+                    .ccmr_input(raw_channel / 2)
+                    .modify(|r| r.set_icpsc(raw_channel % 2, factor));
+            }
+
+            /// Set input TI selection.
+            fn set_input_ti_selection(&mut self, channel: Channel, tisel: InputTISelection) {
+                let raw_channel = channel.index();
+                Self::$regs()
+                    .ccmr_input(raw_channel / 2)
+                    .modify(|r| r.set_ccs(raw_channel % 2, tisel.into()));
+            }
+
+            /// Set input capture mode.
+            fn set_input_capture_mode(&mut self, channel: Channel, mode: InputCaptureMode) {
+                Self::$regs().ccer().modify(|r| match mode {
+                    InputCaptureMode::Rising => {
+                        r.set_ccnp(channel.index(), false);
+                        r.set_ccp(channel.index(), false);
+                    }
+                    InputCaptureMode::Falling => {
+                        r.set_ccnp(channel.index(), false);
+                        r.set_ccp(channel.index(), true);
+                    }
+                    InputCaptureMode::BothEdges => {
+                        r.set_ccnp(channel.index(), true);
+                        r.set_ccp(channel.index(), true);
+                    }
+                });
+            }
+
+            /// Set output compare mode.
+            fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode) {
+                let r = Self::$regs();
+                let raw_channel: usize = channel.index();
+                r.ccmr_output(raw_channel / 2)
+                    .modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
+            }
+
+            /// Set output polarity.
+            fn set_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
+                Self::$regs()
+                    .ccer()
+                    .modify(|w| w.set_ccp(channel.index(), polarity.into()));
+            }
+
+            /// Enable/disable a channel.
+            fn enable_channel(&mut self, channel: Channel, enable: bool) {
+                Self::$regs()
+                    .ccer()
+                    .modify(|w| w.set_cce(channel.index(), enable));
+            }
+
+            /// Get enable/disable state of a channel
+            fn get_channel_enable_state(&self, channel: Channel) -> bool {
+                Self::$regs().ccer().read().cce(channel.index())
+            }
+
+            /// Set compare value for a channel.
+            fn set_compare_value(&mut self, channel: Channel, value: u16) {
+                Self::$regs().ccr(channel.index()).modify(|w| w.set_ccr(value));
+            }
+
+            /// Get capture value for a channel.
+            fn get_capture_value(&mut self, channel: Channel) -> u16 {
+                Self::$regs().ccr(channel.index()).read().ccr()
+            }
+
+            /// Get compare value for a channel.
+            fn get_compare_value(&self, channel: Channel) -> u16 {
+                Self::$regs().ccr(channel.index()).read().ccr()
+            }
+
+            /// Set output compare preload.
+            fn set_output_compare_preload(&mut self, channel: Channel, preload: bool) {
+                let channel_index = channel.index();
+                Self::regs_1ch()
+                    .ccmr_output(channel_index / 2)
+                    .modify(|w| w.set_ocpe(channel_index % 2, preload));
+            }
+        };
+    }
+
+    macro_rules! add_capture_compare_dma_methods {
+        ($regs:ident) => {
+            /// Get capture compare DMA selection
+            fn get_cc_dma_selection(&self) -> super::vals::Ccds {
+                Self::$regs().cr2().read().ccds()
+            }
+
+            /// Set capture compare DMA selection
+            fn set_cc_dma_selection(&mut self, ccds: super::vals::Ccds) {
+                Self::$regs().cr2().modify(|w| w.set_ccds(ccds))
+            }
+
+            /// Get capture compare DMA enable state
+            fn get_cc_dma_enable_state(&self, channel: Channel) -> bool {
+                Self::$regs().dier().read().ccde(channel.index())
+            }
+
+            /// Set capture compare DMA enable state
+            fn set_cc_dma_enable_state(&mut self, channel: Channel, ccde: bool) {
+                Self::$regs().dier().modify(|w| w.set_ccde(channel.index(), ccde))
+            }
+        };
+    }
+
+    macro_rules! add_complementary_capture_compare_methods {
+        ($regs:ident) => {
+            /// Set complementary output polarity.
+            fn set_complementary_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
+                Self::$regs()
+                    .ccer()
+                    .modify(|w| w.set_ccnp(channel.index(), polarity.into()));
+            }
+
+            /// Enable/disable a complementary channel.
+            fn enable_complementary_channel(&mut self, channel: Channel, enable: bool) {
+                Self::$regs()
+                    .ccer()
+                    .modify(|w| w.set_ccne(channel.index(), enable));
+            }
+        };
+    }
+
     /// Virtual Core 16-bit timer instance.  
     pub trait CoreInstance: RccPeripheral {
         /// Interrupt for this timer.
@@ -171,6 +319,13 @@ pub(crate) mod sealed {
         fn set_clock_division(&mut self, ckd: vals::Ckd) {
             Self::regs_1ch().cr1().modify(|r| r.set_ckd(ckd));
         }
+
+        /// Get max compare value. This depends on the timer frequency and the clock frequency from RCC.
+        fn get_max_compare_value(&self) -> u16 {
+            Self::regs_1ch().arr().read().arr()
+        }
+
+        add_capture_compare_common_methods!(regs_1ch);
     }
 
     /// Gneral-purpose 1 channel 16-bit  timer instance.
@@ -182,6 +337,8 @@ pub(crate) mod sealed {
         /// for a given set of capabilities, and having it transparently work with
         /// more capable timers.
         fn regs_2ch() -> crate::pac::timer::Tim2ch;
+
+        add_capture_compare_common_methods!(regs_2ch);
     }
 
     /// Gneral-purpose 16-bit timer instance.
@@ -212,6 +369,9 @@ pub(crate) mod sealed {
             let cr1 = Self::regs_gp16().cr1().read();
             (cr1.cms(), cr1.dir()).into()
         }
+
+        add_capture_compare_common_methods!(regs_gp16);
+        add_capture_compare_dma_methods!(regs_gp16);
     }
 
     /// Gneral-purpose 32-bit timer instance.
@@ -252,6 +412,26 @@ pub(crate) mod sealed {
 
             timer_f / arr / (psc + 1)
         }
+
+        /// Set comapre value for a channel.
+        fn set_compare_value(&mut self, channel: Channel, value: u32) {
+            Self::regs_gp32().ccr(channel.index()).modify(|w| w.set_ccr(value));
+        }
+
+        /// Get capture value for a channel.
+        fn get_capture_value(&mut self, channel: Channel) -> u32 {
+            Self::regs_gp32().ccr(channel.index()).read().ccr()
+        }
+
+        /// Get max compare value. This depends on the timer frequency and the clock frequency from RCC.
+        fn get_max_compare_value(&self) -> u32 {
+            Self::regs_gp32().arr().read().arr()
+        }
+
+        /// Get compare value for a channel.
+        fn get_compare_value(&self, channel: Channel) -> u32 {
+            Self::regs_gp32().ccr(channel.index()).read().ccr()
+        }
     }
 
     /// Gneral-purpose 1 channel with one complementary 16-bit timer instance.
@@ -264,15 +444,27 @@ pub(crate) mod sealed {
         /// more capable timers.
         fn regs_1ch_cmp() -> crate::pac::timer::Tim1chCmp;
 
+        /// Set clock divider for the dead time.
+        fn set_dead_time_clock_division(&mut self, value: vals::Ckd) {
+            Self::regs_1ch_cmp().cr1().modify(|w| w.set_ckd(value));
+        }
+
+        /// Set dead time, as a fraction of the max duty value.
+        fn set_dead_time_value(&mut self, value: u8) {
+            Self::regs_1ch_cmp().bdtr().modify(|w| w.set_dtg(value));
+        }
+
         /// Enable timer outputs.
         fn enable_outputs(&mut self) {
             Self::regs_1ch_cmp().bdtr().modify(|w| w.set_moe(true));
         }
+
+        add_complementary_capture_compare_methods!(regs_1ch_cmp);
     }
 
     /// Gneral-purpose 2 channel with one complementary 16-bit timer instance.
     pub trait GeneralPurpose2ChannelComplementaryInstance:
-        BasicInstance + GeneralPurpose1ChannelComplementaryInstance
+        BasicInstance + GeneralPurpose2ChannelInstance + GeneralPurpose1ChannelComplementaryInstance
     {
         /// Get access to the general purpose 2 channel with one complementary 16bit timer registers.
         ///
@@ -281,6 +473,8 @@ pub(crate) mod sealed {
         /// for a given set of capabilities, and having it transparently work with
         /// more capable timers.
         fn regs_2ch_cmp() -> crate::pac::timer::Tim2chCmp;
+
+        add_complementary_capture_compare_methods!(regs_2ch_cmp);
     }
 
     /// Advanced control timer instance.
@@ -289,186 +483,8 @@ pub(crate) mod sealed {
     {
         /// Get access to the advanced timer registers.
         fn regs_advanced() -> crate::pac::timer::TimAdv;
-    }
-
-    /// Capture/Compare 16-bit timer instance.
-    pub trait CaptureCompare16bitInstance: GeneralPurpose1ChannelInstance {
-        /// Set input capture filter.
-        fn set_input_capture_filter(&mut self, channel: Channel, icf: vals::FilterValue) {
-            let raw_channel = channel.index();
-            Self::regs_1ch()
-                .ccmr_input(raw_channel / 2)
-                .modify(|r| r.set_icf(raw_channel % 2, icf));
-        }
-
-        /// Clear input interrupt.
-        fn clear_input_interrupt(&mut self, channel: Channel) {
-            Self::regs_1ch().sr().modify(|r| r.set_ccif(channel.index(), false));
-        }
-
-        /// Enable input interrupt.
-        fn enable_input_interrupt(&mut self, channel: Channel, enable: bool) {
-            Self::regs_1ch().dier().modify(|r| r.set_ccie(channel.index(), enable));
-        }
-
-        /// Set input capture prescaler.
-        fn set_input_capture_prescaler(&mut self, channel: Channel, factor: u8) {
-            let raw_channel = channel.index();
-            Self::regs_1ch()
-                .ccmr_input(raw_channel / 2)
-                .modify(|r| r.set_icpsc(raw_channel % 2, factor));
-        }
-
-        /// Set input TI selection.
-        fn set_input_ti_selection(&mut self, channel: Channel, tisel: InputTISelection) {
-            let raw_channel = channel.index();
-            Self::regs_1ch()
-                .ccmr_input(raw_channel / 2)
-                .modify(|r| r.set_ccs(raw_channel % 2, tisel.into()));
-        }
-
-        /// Set input capture mode.
-        fn set_input_capture_mode(&mut self, channel: Channel, mode: InputCaptureMode) {
-            Self::regs_1ch().ccer().modify(|r| match mode {
-                InputCaptureMode::Rising => {
-                    r.set_ccnp(channel.index(), false);
-                    r.set_ccp(channel.index(), false);
-                }
-                InputCaptureMode::Falling => {
-                    r.set_ccnp(channel.index(), false);
-                    r.set_ccp(channel.index(), true);
-                }
-                InputCaptureMode::BothEdges => {
-                    r.set_ccnp(channel.index(), true);
-                    r.set_ccp(channel.index(), true);
-                }
-            });
-        }
-
-        /// Set output compare mode.
-        fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode) {
-            let r = Self::regs_1ch();
-            let raw_channel: usize = channel.index();
-            r.ccmr_output(raw_channel / 2)
-                .modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
-        }
-
-        /// Set output polarity.
-        fn set_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
-            Self::regs_1ch()
-                .ccer()
-                .modify(|w| w.set_ccp(channel.index(), polarity.into()));
-        }
-
-        /// Enable/disable a channel.
-        fn enable_channel(&mut self, channel: Channel, enable: bool) {
-            Self::regs_1ch().ccer().modify(|w| w.set_cce(channel.index(), enable));
-        }
-
-        /// Get enable/disable state of a channel
-        fn get_channel_enable_state(&self, channel: Channel) -> bool {
-            Self::regs_1ch().ccer().read().cce(channel.index())
-        }
-
-        /// Set compare value for a channel.
-        fn set_compare_value(&mut self, channel: Channel, value: u16) {
-            Self::regs_1ch().ccr(channel.index()).modify(|w| w.set_ccr(value));
-        }
-
-        /// Get capture value for a channel.
-        fn get_capture_value(&mut self, channel: Channel) -> u16 {
-            Self::regs_1ch().ccr(channel.index()).read().ccr()
-        }
-
-        /// Get max compare value. This depends on the timer frequency and the clock frequency from RCC.
-        fn get_max_compare_value(&self) -> u16 {
-            Self::regs_1ch().arr().read().arr()
-        }
-
-        /// Get compare value for a channel.
-        fn get_compare_value(&self, channel: Channel) -> u16 {
-            Self::regs_1ch().ccr(channel.index()).read().ccr()
-        }
-
-        /// Set output compare preload.
-        fn set_output_compare_preload(&mut self, channel: Channel, preload: bool) {
-            let channel_index = channel.index();
-            Self::regs_1ch()
-                .ccmr_output(channel_index / 2)
-                .modify(|w| w.set_ocpe(channel_index % 2, preload));
-        }
-
-        /// Get capture compare DMA selection
-        fn get_cc_dma_selection(&self) -> super::vals::Ccds {
-            Self::regs_gp16().cr2().read().ccds()
-        }
-
-        /// Set capture compare DMA selection
-        fn set_cc_dma_selection(&mut self, ccds: super::vals::Ccds) {
-            Self::regs_gp16().cr2().modify(|w| w.set_ccds(ccds))
-        }
-
-        /// Get capture compare DMA enable state
-        fn get_cc_dma_enable_state(&self, channel: Channel) -> bool {
-            Self::regs_gp16().dier().read().ccde(channel.index())
-        }
-
-        /// Set capture compare DMA enable state
-        fn set_cc_dma_enable_state(&mut self, channel: Channel, ccde: bool) {
-            Self::regs_gp16().dier().modify(|w| w.set_ccde(channel.index(), ccde))
-        }
-    }
-
-    /// Capture/Compare 16-bit timer instance with complementary pin support.
-    pub trait ComplementaryCaptureCompare16bitInstance:
-        CaptureCompare16bitInstance + GeneralPurpose1ChannelComplementaryInstance
-    {
-        /// Set complementary output polarity.
-        fn set_complementary_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
-            Self::regs_1ch_cmp()
-                .ccer()
-                .modify(|w| w.set_ccnp(channel.index(), polarity.into()));
-        }
-
-        /// Set clock divider for the dead time.
-        fn set_dead_time_clock_division(&mut self, value: vals::Ckd) {
-            Self::regs_1ch_cmp().cr1().modify(|w| w.set_ckd(value));
-        }
-
-        /// Set dead time, as a fraction of the max duty value.
-        fn set_dead_time_value(&mut self, value: u8) {
-            Self::regs_1ch_cmp().bdtr().modify(|w| w.set_dtg(value));
-        }
-
-        /// Enable/disable a complementary channel.
-        fn enable_complementary_channel(&mut self, channel: Channel, enable: bool) {
-            Self::regs_1ch_cmp()
-                .ccer()
-                .modify(|w| w.set_ccne(channel.index(), enable));
-        }
-    }
-
-    /// Capture/Compare 32-bit timer instance.
-    pub trait CaptureCompare32bitInstance: GeneralPurpose32bitInstance + CaptureCompare16bitInstance {
-        /// Set comapre value for a channel.
-        fn set_compare_value(&mut self, channel: Channel, value: u32) {
-            Self::regs_gp32().ccr(channel.index()).modify(|w| w.set_ccr(value));
-        }
-
-        /// Get capture value for a channel.
-        fn get_capture_value(&mut self, channel: Channel) -> u32 {
-            Self::regs_gp32().ccr(channel.index()).read().ccr()
-        }
-
-        /// Get max compare value. This depends on the timer frequency and the clock frequency from RCC.
-        fn get_max_compare_value(&self) -> u32 {
-            Self::regs_gp32().arr().read().arr()
-        }
 
-        /// Get compare value for a channel.
-        fn get_compare_value(&self, channel: Channel) -> u32 {
-            Self::regs_gp32().ccr(channel.index()).read().ccr()
-        }
+        add_complementary_capture_compare_methods!(regs_advanced);
     }
 }
 
@@ -699,6 +715,7 @@ pub trait GeneralPurpose1ChannelComplementaryInstance:
 pub trait GeneralPurpose2ChannelComplementaryInstance:
     sealed::GeneralPurpose2ChannelComplementaryInstance
     + BasicInstance
+    + GeneralPurpose2ChannelInstance
     + GeneralPurpose1ChannelComplementaryInstance
     + 'static
 {
@@ -710,42 +727,30 @@ pub trait AdvancedControlInstance:
 {
 }
 
-/// Capture/Compare 16-bit timer instance.
-pub trait CaptureCompare16bitInstance:
-    sealed::CaptureCompare16bitInstance + GeneralPurpose1ChannelInstance + 'static
-{
-}
+pin_trait!(Channel1Pin, GeneralPurpose1ChannelInstance);
+pin_trait!(Channel2Pin, GeneralPurpose2ChannelInstance);
+pin_trait!(Channel3Pin, GeneralPurpose16bitInstance);
+pin_trait!(Channel4Pin, GeneralPurpose16bitInstance);
 
-/// Capture/Compare 16-bit timer instance with complementary pin support.
-pub trait ComplementaryCaptureCompare16bitInstance:
-    sealed::ComplementaryCaptureCompare16bitInstance
-    + CaptureCompare16bitInstance
-    + GeneralPurpose1ChannelComplementaryInstance
-    + 'static
-{
-}
+#[cfg(not(stm32l0))]
+pin_trait!(ExternalTriggerPin, GeneralPurpose16bitInstance);
 
-/// Capture/Compare 32-bit timer instance.
-pub trait CaptureCompare32bitInstance:
-    sealed::CaptureCompare32bitInstance + CaptureCompare16bitInstance + GeneralPurpose32bitInstance + 'static
-{
-}
+#[cfg(stm32l0)]
+pin_trait!(ExternalTriggerPin, GeneralPurpose2ChannelInstance);
+
+pin_trait!(Channel1ComplementaryPin, GeneralPurpose1ChannelComplementaryInstance);
+pin_trait!(Channel2ComplementaryPin, GeneralPurpose2ChannelComplementaryInstance);
+pin_trait!(Channel3ComplementaryPin, AdvancedControlInstance);
+pin_trait!(Channel4ComplementaryPin, AdvancedControlInstance);
+
+pin_trait!(BreakInputPin, GeneralPurpose1ChannelComplementaryInstance);
+pin_trait!(BreakInput2Pin, GeneralPurpose2ChannelComplementaryInstance);
 
-pin_trait!(Channel1Pin, CaptureCompare16bitInstance);
-pin_trait!(Channel1ComplementaryPin, CaptureCompare16bitInstance);
-pin_trait!(Channel2Pin, CaptureCompare16bitInstance);
-pin_trait!(Channel2ComplementaryPin, CaptureCompare16bitInstance);
-pin_trait!(Channel3Pin, CaptureCompare16bitInstance);
-pin_trait!(Channel3ComplementaryPin, CaptureCompare16bitInstance);
-pin_trait!(Channel4Pin, CaptureCompare16bitInstance);
-pin_trait!(Channel4ComplementaryPin, CaptureCompare16bitInstance);
-pin_trait!(ExternalTriggerPin, CaptureCompare16bitInstance);
-pin_trait!(BreakInputPin, CaptureCompare16bitInstance);
-pin_trait!(BreakInputComparator1Pin, CaptureCompare16bitInstance);
-pin_trait!(BreakInputComparator2Pin, CaptureCompare16bitInstance);
-pin_trait!(BreakInput2Pin, CaptureCompare16bitInstance);
-pin_trait!(BreakInput2Comparator1Pin, CaptureCompare16bitInstance);
-pin_trait!(BreakInput2Comparator2Pin, CaptureCompare16bitInstance);
+pin_trait!(BreakInputComparator1Pin, GeneralPurpose1ChannelComplementaryInstance);
+pin_trait!(BreakInputComparator2Pin, AdvancedControlInstance);
+
+pin_trait!(BreakInput2Comparator1Pin, AdvancedControlInstance);
+pin_trait!(BreakInput2Comparator2Pin, AdvancedControlInstance);
 
 #[allow(unused)]
 macro_rules! impl_core_timer {
@@ -859,27 +864,6 @@ macro_rules! impl_adv_timer {
     };
 }
 
-#[allow(unused)]
-macro_rules! impl_compare_capable_16bit {
-    ($inst:ident) => {
-        impl sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {}
-    };
-}
-
-#[allow(unused)]
-macro_rules! impl_compare_capable_32bit {
-    ($inst:ident) => {
-        impl sealed::CaptureCompare32bitInstance for crate::peripherals::$inst {}
-    };
-}
-
-#[allow(unused)]
-macro_rules! impl_compare_capable_complementary_16bit {
-    ($inst:ident) => {
-        impl sealed::ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
-    };
-}
-
 foreach_interrupt! {
 
     ($inst:ident, timer, TIM_BASIC, UP, $irq:ident) => {
@@ -894,21 +878,17 @@ foreach_interrupt! {
     ($inst:ident, timer, TIM_1CH, UP, $irq:ident) => {
         impl_core_timer!($inst, $irq);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
     };
 
 
     ($inst:ident, timer, TIM_2CH, UP, $irq:ident) => {
         impl_core_timer!($inst, $irq);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
         impl_2ch_timer!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelInstance for crate::peripherals::$inst {}
     };
 
@@ -917,14 +897,12 @@ foreach_interrupt! {
         impl_basic_no_cr2_timer!($inst);
         impl_basic_timer!($inst);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
         impl_2ch_timer!($inst);
         impl_gp_16bit_timer!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
         impl BasicNoCr2Instance for crate::peripherals::$inst{}
         impl BasicInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelInstance for crate::peripherals::$inst {}
         impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
     };
@@ -934,8 +912,6 @@ foreach_interrupt! {
         impl_basic_no_cr2_timer!($inst);
         impl_basic_timer!($inst);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
-        impl_compare_capable_32bit!($inst);
         impl_2ch_timer!($inst);
         impl_gp_16bit_timer!($inst);
         impl_gp_32bit_timer!($inst);
@@ -943,8 +919,6 @@ foreach_interrupt! {
         impl BasicNoCr2Instance for crate::peripherals::$inst{}
         impl BasicInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
-        impl CaptureCompare32bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelInstance for crate::peripherals::$inst {}
         impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose32bitInstance for crate::peripherals::$inst {}
@@ -954,15 +928,11 @@ foreach_interrupt! {
         impl_core_timer!($inst, $irq);
         impl_basic_no_cr2_timer!($inst);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
         impl_1ch_cmp_timer!($inst);
-        impl_compare_capable_complementary_16bit!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
         impl BasicNoCr2Instance for crate::peripherals::$inst{}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelComplementaryInstance for crate::peripherals::$inst {}
-        impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
     };
 
 
@@ -971,17 +941,15 @@ foreach_interrupt! {
         impl_basic_no_cr2_timer!($inst);
         impl_basic_timer!($inst);
         impl_1ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
+        impl_2ch_timer!($inst);
         impl_1ch_cmp_timer!($inst);
-        impl_compare_capable_complementary_16bit!($inst);
         impl_2ch_cmp_timer!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
         impl BasicNoCr2Instance for crate::peripherals::$inst{}
         impl BasicInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
+        impl GeneralPurpose2ChannelInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelComplementaryInstance for crate::peripherals::$inst {}
-        impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelComplementaryInstance for crate::peripherals::$inst {}
     };
 
@@ -992,10 +960,8 @@ foreach_interrupt! {
         impl_basic_timer!($inst);
         impl_1ch_timer!($inst);
         impl_2ch_timer!($inst);
-        impl_compare_capable_16bit!($inst);
         impl_1ch_cmp_timer!($inst);
         impl_gp_16bit_timer!($inst);
-        impl_compare_capable_complementary_16bit!($inst);
         impl_2ch_cmp_timer!($inst);
         impl_adv_timer!($inst);
         impl CoreInstance for crate::peripherals::$inst {}
@@ -1004,9 +970,7 @@ foreach_interrupt! {
         impl GeneralPurpose1ChannelInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelInstance for crate::peripherals::$inst {}
         impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
-        impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose1ChannelComplementaryInstance for crate::peripherals::$inst {}
-        impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
         impl GeneralPurpose2ChannelComplementaryInstance for crate::peripherals::$inst {}
         impl AdvancedControlInstance for crate::peripherals::$inst {}
     };
@@ -1015,7 +979,7 @@ foreach_interrupt! {
 // Update Event trigger DMA for every timer
 dma_trait!(UpDma, BasicNoCr2Instance);
 
-dma_trait!(Ch1Dma, CaptureCompare16bitInstance);
-dma_trait!(Ch2Dma, CaptureCompare16bitInstance);
-dma_trait!(Ch3Dma, CaptureCompare16bitInstance);
-dma_trait!(Ch4Dma, CaptureCompare16bitInstance);
+dma_trait!(Ch1Dma, GeneralPurpose1ChannelInstance);
+dma_trait!(Ch2Dma, GeneralPurpose2ChannelInstance);
+dma_trait!(Ch3Dma, GeneralPurpose16bitInstance);
+dma_trait!(Ch4Dma, GeneralPurpose16bitInstance);
diff --git a/embassy-stm32/src/timer/qei.rs b/embassy-stm32/src/timer/qei.rs
index 75e5ab12a..7e56312bb 100644
--- a/embassy-stm32/src/timer/qei.rs
+++ b/embassy-stm32/src/timer/qei.rs
@@ -30,7 +30,7 @@ pub struct QeiPin<'d, T, Channel> {
 
 macro_rules! channel_impl {
     ($new_chx:ident, $channel:ident, $pin_trait:ident) => {
-        impl<'d, T: CaptureCompare16bitInstance> QeiPin<'d, T, $channel> {
+        impl<'d, T: GeneralPurpose16bitInstance> QeiPin<'d, T, $channel> {
             #[doc = concat!("Create a new ", stringify!($channel), " QEI pin instance.")]
             pub fn $new_chx(pin: impl Peripheral<P = impl $pin_trait<T>> + 'd) -> Self {
                 into_ref!(pin);
@@ -57,7 +57,7 @@ pub struct Qei<'d, T> {
     _inner: PeripheralRef<'d, T>,
 }
 
-impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> Qei<'d, T> {
+impl<'d, T: GeneralPurpose16bitInstance> Qei<'d, T> {
     /// Create a new quadrature decoder driver.
     pub fn new(tim: impl Peripheral<P = T> + 'd, _ch1: QeiPin<'d, T, Ch1>, _ch2: QeiPin<'d, T, Ch2>) -> Self {
         Self::new_inner(tim)
diff --git a/embassy-stm32/src/timer/simple_pwm.rs b/embassy-stm32/src/timer/simple_pwm.rs
index 1c665d456..088d02c97 100644
--- a/embassy-stm32/src/timer/simple_pwm.rs
+++ b/embassy-stm32/src/timer/simple_pwm.rs
@@ -1,6 +1,7 @@
 //! Simple PWM driver.
 
 use core::marker::PhantomData;
+use core::ops::{Deref, DerefMut};
 
 use embassy_hal_internal::{into_ref, PeripheralRef};
 
@@ -30,7 +31,7 @@ pub struct PwmPin<'d, T, C> {
 
 macro_rules! channel_impl {
     ($new_chx:ident, $channel:ident, $pin_trait:ident) => {
-        impl<'d, T: CaptureCompare16bitInstance> PwmPin<'d, T, $channel> {
+        impl<'d, T: GeneralPurpose16bitInstance> PwmPin<'d, T, $channel> {
             #[doc = concat!("Create a new ", stringify!($channel), " PWM pin instance.")]
             pub fn $new_chx(pin: impl Peripheral<P = impl $pin_trait<T>> + 'd, output_type: OutputType) -> Self {
                 into_ref!(pin);
@@ -59,7 +60,7 @@ pub struct SimplePwm<'d, T> {
     inner: PeripheralRef<'d, T>,
 }
 
-impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> SimplePwm<'d, T> {
+impl<'d, T: GeneralPurpose16bitInstance> SimplePwm<'d, T> {
     /// Create a new simple PWM driver.
     pub fn new(
         tim: impl Peripheral<P = T> + 'd,
@@ -87,8 +88,13 @@ impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> SimplePwm
         [Channel::Ch1, Channel::Ch2, Channel::Ch3, Channel::Ch4]
             .iter()
             .for_each(|&channel| {
-                this.inner.set_output_compare_mode(channel, OutputCompareMode::PwmMode1);
-                this.inner.set_output_compare_preload(channel, true)
+                sealed::GeneralPurpose16bitInstance::set_output_compare_mode(
+                    this.inner.deref_mut(),
+                    channel,
+                    OutputCompareMode::PwmMode1,
+                );
+
+                sealed::GeneralPurpose16bitInstance::set_output_compare_preload(this.inner.deref_mut(), channel, true);
             });
 
         this
@@ -96,17 +102,17 @@ impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> SimplePwm
 
     /// Enable the given channel.
     pub fn enable(&mut self, channel: Channel) {
-        self.inner.enable_channel(channel, true);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, true);
     }
 
     /// Disable the given channel.
     pub fn disable(&mut self, channel: Channel) {
-        self.inner.enable_channel(channel, false);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, false);
     }
 
     /// Check whether given channel is enabled
     pub fn is_enabled(&self, channel: Channel) -> bool {
-        self.inner.get_channel_enable_state(channel)
+        sealed::GeneralPurpose16bitInstance::get_channel_enable_state(self.inner.deref(), channel)
     }
 
     /// Set PWM frequency.
@@ -134,24 +140,24 @@ impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> SimplePwm
     /// The value ranges from 0 for 0% duty, to [`get_max_duty`](Self::get_max_duty) for 100% duty, both included.
     pub fn set_duty(&mut self, channel: Channel, duty: u16) {
         assert!(duty <= self.get_max_duty());
-        self.inner.set_compare_value(channel, duty)
+        sealed::GeneralPurpose16bitInstance::set_compare_value(self.inner.deref_mut(), channel, duty)
     }
 
     /// Get the duty for a given channel.
     ///
     /// The value ranges from 0 for 0% duty, to [`get_max_duty`](Self::get_max_duty) for 100% duty, both included.
     pub fn get_duty(&self, channel: Channel) -> u16 {
-        self.inner.get_compare_value(channel)
+        sealed::GeneralPurpose16bitInstance::get_compare_value(self.inner.deref(), channel)
     }
 
     /// Set the output polarity for a given channel.
     pub fn set_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
-        self.inner.set_output_polarity(channel, polarity);
+        sealed::GeneralPurpose16bitInstance::set_output_polarity(self.inner.deref_mut(), channel, polarity);
     }
 
     /// Set the output compare mode for a given channel.
     pub fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode) {
-        self.inner.set_output_compare_mode(channel, mode);
+        sealed::GeneralPurpose16bitInstance::set_output_compare_mode(self.inner.deref_mut(), channel, mode);
     }
 
     /// Generate a sequence of PWM waveform
@@ -226,7 +232,7 @@ impl<'d, T: GeneralPurpose16bitInstance + CaptureCompare16bitInstance> SimplePwm
 
 macro_rules! impl_waveform_chx {
     ($fn_name:ident, $dma_ch:ident, $cc_ch:ident) => {
-        impl<'d, T: CaptureCompare16bitInstance> SimplePwm<'d, T> {
+        impl<'d, T: GeneralPurpose16bitInstance> SimplePwm<'d, T> {
             /// Generate a sequence of PWM waveform
             ///
             /// Note:
@@ -313,17 +319,17 @@ impl_waveform_chx!(waveform_ch2, Ch2Dma, Ch2);
 impl_waveform_chx!(waveform_ch3, Ch3Dma, Ch3);
 impl_waveform_chx!(waveform_ch4, Ch4Dma, Ch4);
 
-impl<'d, T: CaptureCompare16bitInstance> embedded_hal_02::Pwm for SimplePwm<'d, T> {
+impl<'d, T: GeneralPurpose16bitInstance> embedded_hal_02::Pwm for SimplePwm<'d, T> {
     type Channel = Channel;
     type Time = Hertz;
     type Duty = u16;
 
     fn disable(&mut self, channel: Self::Channel) {
-        self.inner.enable_channel(channel, false);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, false);
     }
 
     fn enable(&mut self, channel: Self::Channel) {
-        self.inner.enable_channel(channel, true);
+        sealed::GeneralPurpose16bitInstance::enable_channel(self.inner.deref_mut(), channel, true);
     }
 
     fn get_period(&self) -> Self::Time {
@@ -331,7 +337,7 @@ impl<'d, T: CaptureCompare16bitInstance> embedded_hal_02::Pwm for SimplePwm<'d,
     }
 
     fn get_duty(&self, channel: Self::Channel) -> Self::Duty {
-        self.inner.get_compare_value(channel)
+        sealed::GeneralPurpose16bitInstance::get_compare_value(self.inner.deref(), channel)
     }
 
     fn get_max_duty(&self) -> Self::Duty {
@@ -340,7 +346,7 @@ impl<'d, T: CaptureCompare16bitInstance> embedded_hal_02::Pwm for SimplePwm<'d,
 
     fn set_duty(&mut self, channel: Self::Channel, duty: Self::Duty) {
         assert!(duty <= self.get_max_duty());
-        self.inner.set_compare_value(channel, duty)
+        sealed::GeneralPurpose16bitInstance::set_compare_value(self.inner.deref_mut(), channel, duty)
     }
 
     fn set_period<P>(&mut self, period: P)
diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs
index cc508c3cf..0be3eccb7 100644
--- a/examples/stm32h7/src/bin/low_level_timer_api.rs
+++ b/examples/stm32h7/src/bin/low_level_timer_api.rs
@@ -56,11 +56,11 @@ async fn main(_spawner: Spawner) {
         Timer::after_millis(300).await;
     }
 }
-pub struct SimplePwm32<'d, T: CaptureCompare32bitInstance> {
+pub struct SimplePwm32<'d, T: GeneralPurpose32bitInstance> {
     inner: PeripheralRef<'d, T>,
 }
 
-impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> {
+impl<'d, T: GeneralPurpose32bitInstance> SimplePwm32<'d, T> {
     pub fn new(
         tim: impl Peripheral<P = T> + 'd,
         ch1: impl Peripheral<P = impl Channel1Pin<T>> + 'd,