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Merge pull request from eZioPan/update-metapac8

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Update embassy-stm32 after stm32-metapac timer_v2
This commit is contained in:
Dario Nieuwenhuis
2024-02-10 00:24:02 +01:00
committed by GitHub
parent 04147b4147 8fd803a5fe
commit e7d0b8db88
8 changed files with 457 additions and 240 deletions

4
embassy-stm32/Cargo.toml

@ -68,7 +68,7 @@ rand_core = "0.6.3"
sdio-host = "0.5.0"
critical-section = "1.1"
#stm32-metapac = { version = "15" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-d7c933984fe0cbd120b6aaa7742bd585f89fa786" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-028efe4e6e0719b661cbdf8ffda3341e4d63d0df" }
vcell = "0.1.3"
bxcan = "0.7.0"
nb = "1.0.0"
@ -89,7 +89,7 @@ critical-section = { version = "1.1", features = ["std"] }
proc-macro2 = "1.0.36"
quote = "1.0.15"
#stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-d7c933984fe0cbd120b6aaa7742bd585f89fa786", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-028efe4e6e0719b661cbdf8ffda3341e4d63d0df", default-features = false, features = ["metadata"]}
[features]

1
embassy-stm32/src/dma/ringbuffer.rs

@ -37,6 +37,7 @@ pub struct ReadableDmaRingBuffer<'a, W: Word> {
}
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
pub struct OverrunError;
pub trait DmaCtrl {

8
embassy-stm32/src/time_driver.rs

@ -14,7 +14,7 @@ use crate::pac::timer::vals;
use crate::rcc::sealed::RccPeripheral;
#[cfg(feature = "low-power")]
use crate::rtc::Rtc;
use crate::timer::sealed::{Basic16bitInstance as BasicInstance, GeneralPurpose16bitInstance as Instance};
use crate::timer::sealed::{CoreInstance, GeneralPurpose16bitInstance as Instance};
use crate::{interrupt, peripherals};
// NOTE regarding ALARM_COUNT:
@ -234,8 +234,8 @@ impl RtcDriver {
w.set_ccie(0, true);
});
<T as BasicInstance>::Interrupt::unpend();
unsafe { <T as BasicInstance>::Interrupt::enable() };
<T as CoreInstance>::Interrupt::unpend();
unsafe { <T as CoreInstance>::Interrupt::enable() };
r.cr1().modify(|w| w.set_cen(true));
}
@ -251,7 +251,7 @@ impl RtcDriver {
// Clear all interrupt flags. Bits in SR are "write 0 to clear", so write the bitwise NOT.
// Other approaches such as writing all zeros, or RMWing won't work, they can
// miss interrupts.
r.sr().write_value(regs::SrGp(!sr.0));
r.sr().write_value(regs::SrGp16(!sr.0));
// Overflow
if sr.uif() {

17
embassy-stm32/src/timer/complementary_pwm.rs

@ -23,7 +23,7 @@ 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: ComplementaryCaptureCompare16bitInstance> 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);
@ -84,14 +84,13 @@ impl<'d, T: ComplementaryCaptureCompare16bitInstance> ComplementaryPwm<'d, T> {
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| {
this.inner.set_output_compare_mode(channel, OutputCompareMode::PwmMode1);
this.inner.set_output_compare_preload(channel, true);
});
this
}

632
embassy-stm32/src/timer/mod.rs

@ -1,5 +1,31 @@
//! Timers, PWM, quadrature decoder.
//! Timer inheritance
// sealed:
//
// Core -------------------------> 1CH -------------------------> 1CH_CMP
// | | ^ |
// +--> Basic_NoCr2 --> Basic +--> 2CH --> GP16 --> GP32 | +--> 2CH_CMP --> ADV
// | | | ^ | | ^ ^
// | | +------|--|--------------|-----------+ |
// | +--------------------+ +--------------|-----------|---------+
// | | | |
// | +--------------------------------------|-----------+
// +----------------------------------------------------+
//! BasicInstance --> CaptureCompare16bitInstance --+--> ComplementaryCaptureCompare16bitInstance
//! |
//! +--> CaptureCompare32bitInstance
//!
//! mapping:
//!
//! BasicInstance --> Basic Timer
//! CaptureCompare16bitInstance --> 1-channel Timer, 2-channel Timer, General Purpose 16-bit Timer
//! CaptureCompare32bitInstance --> General Purpose 32-bit Timer
//! ComplementaryCaptureCompare16bitInstance --> 1-channel with one complentary Timer, 2-channel with one complentary Timer, Advance Control Timer
#[cfg(not(stm32l0))]
pub mod complementary_pwm;
pub mod qei;
pub mod simple_pwm;
@ -19,32 +45,32 @@ pub mod low_level {
pub(crate) mod sealed {
use super::*;
/// Basic 16-bit timer instance.
pub trait Basic16bitInstance: RccPeripheral {
/// Virtual Core 16-bit timer instance.
pub trait CoreInstance: RccPeripheral {
/// Interrupt for this timer.
type Interrupt: interrupt::typelevel::Interrupt;
/// Get access to the basic 16bit timer registers.
/// Get access to the virutal core 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs() -> crate::pac::timer::TimBasic;
fn regs_core() -> crate::pac::timer::TimCore;
/// Start the timer.
fn start(&mut self) {
Self::regs().cr1().modify(|r| r.set_cen(true));
Self::regs_core().cr1().modify(|r| r.set_cen(true));
}
/// Stop the timer.
fn stop(&mut self) {
Self::regs().cr1().modify(|r| r.set_cen(false));
Self::regs_core().cr1().modify(|r| r.set_cen(false));
}
/// Reset the counter value to 0
fn reset(&mut self) {
Self::regs().cnt().write(|r| r.set_cnt(0));
Self::regs_core().cnt().write(|r| r.set_cnt(0));
}
/// Set the frequency of how many times per second the timer counts up to the max value or down to 0.
@ -64,7 +90,7 @@ pub(crate) mod sealed {
// the timer counts `0..=arr`, we want it to count `0..divide_by`
let arr = unwrap!(u16::try_from(divide_by - 1));
let regs = Self::regs();
let regs = Self::regs_core();
regs.psc().write(|r| r.set_psc(psc));
regs.arr().write(|r| r.set_arr(arr));
@ -77,7 +103,7 @@ pub(crate) mod sealed {
///
/// Returns whether the update interrupt flag was set.
fn clear_update_interrupt(&mut self) -> bool {
let regs = Self::regs();
let regs = Self::regs_core();
let sr = regs.sr().read();
if sr.uif() {
regs.sr().modify(|r| {
@ -91,29 +117,19 @@ pub(crate) mod sealed {
/// Enable/disable the update interrupt.
fn enable_update_interrupt(&mut self, enable: bool) {
Self::regs().dier().modify(|r| r.set_uie(enable));
}
/// Enable/disable the update dma.
fn enable_update_dma(&mut self, enable: bool) {
Self::regs().dier().modify(|r| r.set_ude(enable));
}
/// Get the update dma enable/disable state.
fn get_update_dma_state(&self) -> bool {
Self::regs().dier().read().ude()
Self::regs_core().dier().modify(|r| r.set_uie(enable));
}
/// Enable/disable autoreload preload.
fn set_autoreload_preload(&mut self, enable: bool) {
Self::regs().cr1().modify(|r| r.set_arpe(enable));
Self::regs_core().cr1().modify(|r| r.set_arpe(enable));
}
/// Get the timer frequency.
fn get_frequency(&self) -> Hertz {
let timer_f = Self::frequency();
let regs = Self::regs();
let regs = Self::regs_core();
let arr = regs.arr().read().arr();
let psc = regs.psc().read().psc();
@ -121,8 +137,72 @@ pub(crate) mod sealed {
}
}
/// Virtual Basic without CR2 16-bit timer instance.
pub trait BasicNoCr2Instance: CoreInstance {
/// Get access to the Baisc 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_basic_no_cr2() -> crate::pac::timer::TimBasicNoCr2;
/// Enable/disable the update dma.
fn enable_update_dma(&mut self, enable: bool) {
Self::regs_basic_no_cr2().dier().modify(|r| r.set_ude(enable));
}
/// Get the update dma enable/disable state.
fn get_update_dma_state(&self) -> bool {
Self::regs_basic_no_cr2().dier().read().ude()
}
}
/// Basic 16-bit timer instance.
pub trait BasicInstance: BasicNoCr2Instance {
/// Get access to the Baisc 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_basic() -> crate::pac::timer::TimBasic;
}
/// Gneral-purpose 1 channel 16-bit timer instance.
pub trait GeneralPurpose1ChannelInstance: CoreInstance {
/// Get access to the general purpose 1 channel 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_1ch() -> crate::pac::timer::Tim1ch;
/// Set clock divider.
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()
}
}
/// Gneral-purpose 1 channel 16-bit timer instance.
pub trait GeneralPurpose2ChannelInstance: GeneralPurpose1ChannelInstance {
/// Get access to the general purpose 2 channel 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_2ch() -> crate::pac::timer::Tim2ch;
}
/// Gneral-purpose 16-bit timer instance.
pub trait GeneralPurpose16bitInstance: Basic16bitInstance {
pub trait GeneralPurpose16bitInstance: BasicInstance + GeneralPurpose2ChannelInstance {
/// Get access to the general purpose 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
@ -135,7 +215,7 @@ pub(crate) mod sealed {
fn set_counting_mode(&mut self, mode: CountingMode) {
let (cms, dir) = mode.into();
let timer_enabled = Self::regs().cr1().read().cen();
let timer_enabled = Self::regs_core().cr1().read().cen();
// Changing from edge aligned to center aligned (and vice versa) is not allowed while the timer is running.
// Changing direction is discouraged while the timer is running.
assert!(!timer_enabled);
@ -150,62 +230,8 @@ pub(crate) mod sealed {
(cr1.cms(), cr1.dir()).into()
}
/// Set clock divider.
fn set_clock_division(&mut self, ckd: vals::Ckd) {
Self::regs_gp16().cr1().modify(|r| r.set_ckd(ckd));
}
}
/// Gneral-purpose 32-bit timer instance.
pub trait GeneralPurpose32bitInstance: GeneralPurpose16bitInstance {
/// Get access to the general purpose 32bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_gp32() -> crate::pac::timer::TimGp32;
/// Set timer frequency.
fn set_frequency(&mut self, frequency: Hertz) {
let f = frequency.0;
assert!(f > 0);
let timer_f = Self::frequency().0;
let pclk_ticks_per_timer_period = (timer_f / f) as u64;
let psc: u16 = unwrap!(((pclk_ticks_per_timer_period - 1) / (1 << 32)).try_into());
let arr: u32 = unwrap!((pclk_ticks_per_timer_period / (psc as u64 + 1)).try_into());
let regs = Self::regs_gp32();
regs.psc().write(|r| r.set_psc(psc));
regs.arr().write(|r| r.set_arr(arr));
regs.cr1().modify(|r| r.set_urs(vals::Urs::COUNTERONLY));
regs.egr().write(|r| r.set_ug(true));
regs.cr1().modify(|r| r.set_urs(vals::Urs::ANYEVENT));
}
/// Get timer frequency.
fn get_frequency(&self) -> Hertz {
let timer_f = Self::frequency();
let regs = Self::regs_gp32();
let arr = regs.arr().read().arr();
let psc = regs.psc().read().psc();
timer_f / arr / (psc + 1)
}
}
/// Advanced control timer instance.
pub trait AdvancedControlInstance: GeneralPurpose16bitInstance {
/// Get access to the advanced timer registers.
fn regs_advanced() -> crate::pac::timer::TimAdv;
}
/// Capture/Compare 16-bit timer instance.
pub trait CaptureCompare16bitInstance: GeneralPurpose16bitInstance {
/// Set input capture filter.
fn set_input_capture_filter(&mut self, channel: Channel, icf: vals::Icf) {
fn set_input_capture_filter(&mut self, channel: Channel, icf: vals::FilterValue) {
let raw_channel = channel.index();
Self::regs_gp16()
.ccmr_input(raw_channel / 2)
@ -256,14 +282,11 @@ pub(crate) mod sealed {
});
}
/// Enable timer outputs.
fn enable_outputs(&mut self);
/// Set output compare mode.
fn set_output_compare_mode(&mut self, channel: Channel, mode: OutputCompareMode) {
let r = Self::regs_gp16();
let raw_channel: usize = channel.index();
r.ccmr_output(raw_channel / 2)
Self::regs_gp16()
.ccmr_output(raw_channel / 2)
.modify(|w| w.set_ocm(raw_channel % 2, mode.into()));
}
@ -294,11 +317,6 @@ pub(crate) mod sealed {
Self::regs_gp16().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_gp16().arr().read().arr()
}
/// Get compare value for a channel.
fn get_compare_value(&self, channel: Channel) -> u16 {
Self::regs_gp16().ccr(channel.index()).read().ccr()
@ -333,35 +351,46 @@ pub(crate) mod sealed {
}
}
/// Capture/Compare 16-bit timer instance with complementary pin support.
pub trait ComplementaryCaptureCompare16bitInstance: CaptureCompare16bitInstance + AdvancedControlInstance {
/// Set complementary output polarity.
fn set_complementary_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
Self::regs_advanced()
.ccer()
.modify(|w| w.set_ccnp(channel.index(), polarity.into()));
#[cfg(not(stm32l0))]
/// Gneral-purpose 32-bit timer instance.
pub trait GeneralPurpose32bitInstance: GeneralPurpose16bitInstance {
/// Get access to the general purpose 32bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_gp32() -> crate::pac::timer::TimGp32;
/// Set timer frequency.
fn set_frequency(&mut self, frequency: Hertz) {
let f = frequency.0;
assert!(f > 0);
let timer_f = Self::frequency().0;
let pclk_ticks_per_timer_period = (timer_f / f) as u64;
let psc: u16 = unwrap!(((pclk_ticks_per_timer_period - 1) / (1 << 32)).try_into());
let arr: u32 = unwrap!((pclk_ticks_per_timer_period / (psc as u64 + 1)).try_into());
let regs = Self::regs_gp32();
regs.psc().write(|r| r.set_psc(psc));
regs.arr().write(|r| r.set_arr(arr));
regs.cr1().modify(|r| r.set_urs(vals::Urs::COUNTERONLY));
regs.egr().write(|r| r.set_ug(true));
regs.cr1().modify(|r| r.set_urs(vals::Urs::ANYEVENT));
}
/// Set clock divider for the dead time.
fn set_dead_time_clock_division(&mut self, value: vals::Ckd) {
Self::regs_advanced().cr1().modify(|w| w.set_ckd(value));
/// Get timer frequency.
fn get_frequency(&self) -> Hertz {
let timer_f = Self::frequency();
let regs = Self::regs_gp32();
let arr = regs.arr().read().arr();
let psc = regs.psc().read().psc();
timer_f / arr / (psc + 1)
}
/// Set dead time, as a fraction of the max duty value.
fn set_dead_time_value(&mut self, value: u8) {
Self::regs_advanced().bdtr().modify(|w| w.set_dtg(value));
}
/// Enable/disable a complementary channel.
fn enable_complementary_channel(&mut self, channel: Channel, enable: bool) {
Self::regs_advanced()
.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));
@ -382,6 +411,70 @@ pub(crate) mod sealed {
Self::regs_gp32().ccr(channel.index()).read().ccr()
}
}
#[cfg(not(stm32l0))]
/// Gneral-purpose 1 channel with one complementary 16-bit timer instance.
pub trait GeneralPurpose1ChannelComplementaryInstance: BasicNoCr2Instance + GeneralPurpose1ChannelInstance {
/// Get access to the general purpose 1 channel with one complementary 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// 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));
}
}
#[cfg(not(stm32l0))]
/// Gneral-purpose 2 channel with one complementary 16-bit timer instance.
pub trait GeneralPurpose2ChannelComplementaryInstance:
BasicInstance + GeneralPurpose2ChannelInstance + GeneralPurpose1ChannelComplementaryInstance
{
/// Get access to the general purpose 2 channel with one complementary 16bit timer registers.
///
/// Note: This works even if the timer is more capable, because registers
/// for the less capable timers are a subset. This allows writing a driver
/// for a given set of capabilities, and having it transparently work with
/// more capable timers.
fn regs_2ch_cmp() -> crate::pac::timer::Tim2chCmp;
}
#[cfg(not(stm32l0))]
/// Advanced control timer instance.
pub trait AdvancedControlInstance:
GeneralPurpose2ChannelComplementaryInstance + GeneralPurpose16bitInstance
{
/// Get access to the advanced timer registers.
fn regs_advanced() -> crate::pac::timer::TimAdv;
/// Set complementary output polarity.
fn set_complementary_output_polarity(&mut self, channel: Channel, polarity: OutputPolarity) {
Self::regs_advanced()
.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_advanced()
.ccer()
.modify(|w| w.set_ccne(channel.index(), enable));
}
}
}
/// Timer channel.
@ -572,61 +665,92 @@ impl From<OutputPolarity> for bool {
}
/// Basic 16-bit timer instance.
pub trait Basic16bitInstance: sealed::Basic16bitInstance + 'static {}
pub trait BasicInstance: sealed::BasicInstance + sealed::BasicNoCr2Instance + sealed::CoreInstance + 'static {}
/// Gneral-purpose 16-bit timer instance.
pub trait GeneralPurpose16bitInstance: sealed::GeneralPurpose16bitInstance + Basic16bitInstance + 'static {}
/// Gneral-purpose 32-bit timer instance.
pub trait GeneralPurpose32bitInstance:
sealed::GeneralPurpose32bitInstance + GeneralPurpose16bitInstance + 'static
{
}
/// Advanced control timer instance.
pub trait AdvancedControlInstance: sealed::AdvancedControlInstance + GeneralPurpose16bitInstance + 'static {}
/// Capture/Compare 16-bit timer instance.
// It's just a General-purpose 16-bit timer instance.
/// Capture Compare timer instance.
pub trait CaptureCompare16bitInstance:
sealed::CaptureCompare16bitInstance + GeneralPurpose16bitInstance + 'static
BasicInstance
+ sealed::GeneralPurpose2ChannelInstance
+ sealed::GeneralPurpose1ChannelInstance
+ sealed::GeneralPurpose16bitInstance
+ 'static
{
}
/// Capture/Compare 16-bit timer instance with complementary pin support.
pub trait ComplementaryCaptureCompare16bitInstance:
sealed::ComplementaryCaptureCompare16bitInstance + CaptureCompare16bitInstance + AdvancedControlInstance + 'static
{
}
/// Capture/Compare 32-bit timer instance.
#[cfg(not(stm32l0))]
// It's just a General-purpose 32-bit timer instance.
/// Capture Compare 32-bit timer instance.
pub trait CaptureCompare32bitInstance:
sealed::CaptureCompare32bitInstance + CaptureCompare16bitInstance + GeneralPurpose32bitInstance + 'static
CaptureCompare16bitInstance + sealed::GeneralPurpose32bitInstance + 'static
{
}
#[cfg(not(stm32l0))]
// It's just a Advanced Control timer instance.
/// Complementary Capture Compare 32-bit timer instance.
pub trait ComplementaryCaptureCompare16bitInstance:
CaptureCompare16bitInstance
+ sealed::GeneralPurpose1ChannelComplementaryInstance
+ sealed::GeneralPurpose2ChannelComplementaryInstance
+ sealed::AdvancedControlInstance
+ 'static
{
}
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);
cfg_if::cfg_if! {
if #[cfg(not(stm32l0))] {
pin_trait!(Channel1ComplementaryPin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(Channel2ComplementaryPin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(Channel3ComplementaryPin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(Channel4ComplementaryPin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInputPin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInput2Pin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInputComparator1Pin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInputComparator2Pin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator1Pin, ComplementaryCaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator2Pin, ComplementaryCaptureCompare16bitInstance);
}
}
#[allow(unused)]
macro_rules! impl_basic_16bit_timer {
macro_rules! impl_core_timer {
($inst:ident, $irq:ident) => {
impl sealed::Basic16bitInstance for crate::peripherals::$inst {
impl sealed::CoreInstance for crate::peripherals::$inst {
type Interrupt = crate::interrupt::typelevel::$irq;
fn regs() -> crate::pac::timer::TimBasic {
fn regs_core() -> crate::pac::timer::TimCore {
unsafe { crate::pac::timer::TimCore::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_basic_no_cr2_timer {
($inst:ident) => {
impl sealed::BasicNoCr2Instance for crate::peripherals::$inst {
fn regs_basic_no_cr2() -> crate::pac::timer::TimBasicNoCr2 {
unsafe { crate::pac::timer::TimBasicNoCr2::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_basic_timer {
($inst:ident) => {
impl sealed::BasicInstance for crate::peripherals::$inst {
fn regs_basic() -> crate::pac::timer::TimBasic {
unsafe { crate::pac::timer::TimBasic::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
@ -634,7 +758,40 @@ macro_rules! impl_basic_16bit_timer {
}
#[allow(unused)]
macro_rules! impl_32bit_timer {
macro_rules! impl_1ch_timer {
($inst:ident) => {
impl sealed::GeneralPurpose1ChannelInstance for crate::peripherals::$inst {
fn regs_1ch() -> crate::pac::timer::Tim1ch {
unsafe { crate::pac::timer::Tim1ch::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_2ch_timer {
($inst:ident) => {
impl sealed::GeneralPurpose2ChannelInstance for crate::peripherals::$inst {
fn regs_2ch() -> crate::pac::timer::Tim2ch {
unsafe { crate::pac::timer::Tim2ch::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_gp16_timer {
($inst:ident) => {
impl sealed::GeneralPurpose16bitInstance for crate::peripherals::$inst {
fn regs_gp16() -> crate::pac::timer::TimGp16 {
unsafe { crate::pac::timer::TimGp16::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_gp32_timer {
($inst:ident) => {
impl sealed::GeneralPurpose32bitInstance for crate::peripherals::$inst {
fn regs_gp32() -> crate::pac::timer::TimGp32 {
@ -645,83 +802,144 @@ macro_rules! impl_32bit_timer {
}
#[allow(unused)]
macro_rules! impl_compare_capable_16bit {
macro_rules! impl_1ch_cmp_timer {
($inst:ident) => {
impl sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {
fn enable_outputs(&mut self) {}
impl sealed::GeneralPurpose1ChannelComplementaryInstance for crate::peripherals::$inst {
fn regs_1ch_cmp() -> crate::pac::timer::Tim1chCmp {
unsafe { crate::pac::timer::Tim1chCmp::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_2ch_cmp_timer {
($inst:ident) => {
impl sealed::GeneralPurpose2ChannelComplementaryInstance for crate::peripherals::$inst {
fn regs_2ch_cmp() -> crate::pac::timer::Tim2chCmp {
unsafe { crate::pac::timer::Tim2chCmp::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
#[allow(unused)]
macro_rules! impl_adv_timer {
($inst:ident) => {
impl sealed::AdvancedControlInstance for crate::peripherals::$inst {
fn regs_advanced() -> crate::pac::timer::TimAdv {
unsafe { crate::pac::timer::TimAdv::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
}
foreach_interrupt! {
($inst:ident, timer, TIM_BASIC, UP, $irq:ident) => {
impl_basic_16bit_timer!($inst, $irq);
impl Basic16bitInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_GP16, UP, $irq:ident) => {
impl_basic_16bit_timer!($inst, $irq);
impl_compare_capable_16bit!($inst);
impl Basic16bitInstance for crate::peripherals::$inst {}
impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
impl sealed::GeneralPurpose16bitInstance for crate::peripherals::$inst {
fn regs_gp16() -> crate::pac::timer::TimGp16 {
crate::pac::$inst
}
}
($inst:ident, timer, TIM_BASIC, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_1CH, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_2CH, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_GP16, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_GP32, UP, $irq:ident) => {
impl_basic_16bit_timer!($inst, $irq);
impl_32bit_timer!($inst);
impl_compare_capable_16bit!($inst);
impl Basic16bitInstance for crate::peripherals::$inst {}
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl_gp32_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
impl CaptureCompare32bitInstance for crate::peripherals::$inst {}
impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
impl GeneralPurpose32bitInstance for crate::peripherals::$inst {}
impl sealed::CaptureCompare32bitInstance for crate::peripherals::$inst {}
impl sealed::GeneralPurpose16bitInstance for crate::peripherals::$inst {
fn regs_gp16() -> crate::pac::timer::TimGp16 {
unsafe { crate::pac::timer::TimGp16::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
($inst:ident, timer, TIM_ADV, UP, $irq:ident) => {
impl_basic_16bit_timer!($inst, $irq);
impl Basic16bitInstance for crate::peripherals::$inst {}
impl GeneralPurpose16bitInstance for crate::peripherals::$inst {}
($inst:ident, timer, TIM_1CH_CMP, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl_1ch_cmp_timer!($inst);
impl_2ch_cmp_timer!($inst);
impl_adv_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
impl AdvancedControlInstance for crate::peripherals::$inst {}
impl sealed::CaptureCompare16bitInstance for crate::peripherals::$inst {
fn enable_outputs(&mut self) {
use crate::timer::sealed::AdvancedControlInstance;
let r = Self::regs_advanced();
r.bdtr().modify(|w| w.set_moe(true));
}
}
impl sealed::ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
impl sealed::GeneralPurpose16bitInstance for crate::peripherals::$inst {
fn regs_gp16() -> crate::pac::timer::TimGp16 {
unsafe { crate::pac::timer::TimGp16::from_ptr(crate::pac::$inst.as_ptr()) }
}
}
};
impl sealed::AdvancedControlInstance for crate::peripherals::$inst {
fn regs_advanced() -> crate::pac::timer::TimAdv {
crate::pac::$inst
}
}
($inst:ident, timer, TIM_2CH_CMP, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl_1ch_cmp_timer!($inst);
impl_2ch_cmp_timer!($inst);
impl_adv_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
};
($inst:ident, timer, TIM_ADV, UP, $irq:ident) => {
impl_core_timer!($inst, $irq);
impl_basic_no_cr2_timer!($inst);
impl_basic_timer!($inst);
impl_1ch_timer!($inst);
impl_2ch_timer!($inst);
impl_gp16_timer!($inst);
impl_1ch_cmp_timer!($inst);
impl_2ch_cmp_timer!($inst);
impl_adv_timer!($inst);
impl BasicInstance for crate::peripherals::$inst {}
impl CaptureCompare16bitInstance for crate::peripherals::$inst {}
impl ComplementaryCaptureCompare16bitInstance for crate::peripherals::$inst {}
};
}
// Update Event trigger DMA for every timer
dma_trait!(UpDma, Basic16bitInstance);
dma_trait!(UpDma, BasicInstance);
dma_trait!(Ch1Dma, CaptureCompare16bitInstance);
dma_trait!(Ch2Dma, CaptureCompare16bitInstance);

7
embassy-stm32/src/timer/simple_pwm.rs

@ -84,13 +84,12 @@ impl<'d, T: CaptureCompare16bitInstance> SimplePwm<'d, T> {
this.set_frequency(freq);
this.inner.start();
this.inner.enable_outputs();
[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)
this.inner.set_output_compare_preload(channel, true);
});
this
@ -202,7 +201,7 @@ impl<'d, T: CaptureCompare16bitInstance> SimplePwm<'d, T> {
&mut dma,
req,
duty,
T::regs_gp16().ccr(channel.index()).as_ptr() as *mut _,
T::regs_1ch().ccr(channel.index()).as_ptr() as *mut _,
dma_transfer_option,
)
.await

14
examples/stm32h7/src/bin/dac_dma.rs

@ -8,7 +8,7 @@ use embassy_stm32::pac::timer::vals::Mms;
use embassy_stm32::peripherals::{DAC1, DMA1_CH3, DMA1_CH4, TIM6, TIM7};
use embassy_stm32::rcc::low_level::RccPeripheral;
use embassy_stm32::time::Hertz;
use embassy_stm32::timer::low_level::Basic16bitInstance;
use embassy_stm32::timer::low_level::BasicInstance;
use micromath::F32Ext;
use {defmt_rtt as _, panic_probe as _};
@ -75,9 +75,9 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) {
dac.enable();
TIM6::enable_and_reset();
TIM6::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM6::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM6::regs().cr1().modify(|w| {
TIM6::regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM6::regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM6::regs_basic().cr1().modify(|w| {
w.set_opm(false);
w.set_cen(true);
});
@ -112,9 +112,9 @@ async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) {
}
TIM7::enable_and_reset();
TIM7::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM7::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM7::regs().cr1().modify(|w| {
TIM7::regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM7::regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM7::regs_basic().cr1().modify(|w| {
w.set_opm(false);
w.set_cen(true);
});

14
examples/stm32l4/src/bin/dac_dma.rs

@ -8,7 +8,7 @@ use embassy_stm32::pac::timer::vals::Mms;
use embassy_stm32::peripherals::{DAC1, DMA1_CH3, DMA1_CH4, TIM6, TIM7};
use embassy_stm32::rcc::low_level::RccPeripheral;
use embassy_stm32::time::Hertz;
use embassy_stm32::timer::low_level::Basic16bitInstance;
use embassy_stm32::timer::low_level::BasicInstance;
use micromath::F32Ext;
use {defmt_rtt as _, panic_probe as _};
@ -46,9 +46,9 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) {
dac.enable();
TIM6::enable_and_reset();
TIM6::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM6::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM6::regs().cr1().modify(|w| {
TIM6::regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM6::regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM6::regs_basic().cr1().modify(|w| {
w.set_opm(false);
w.set_cen(true);
});
@ -83,9 +83,9 @@ async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) {
}
TIM7::enable_and_reset();
TIM7::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM7::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM7::regs().cr1().modify(|w| {
TIM7::regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1));
TIM7::regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE));
TIM7::regs_basic().cr1().modify(|w| {
w.set_opm(false);
w.set_cen(true);
});