stm32/hrtim: first draft

This commit is contained in:
xoviat 2023-06-25 15:33:57 -05:00
parent 45561f1622
commit cdb3fb059f
4 changed files with 256 additions and 0 deletions

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@ -589,6 +589,16 @@ fn main() {
(("timer", "BKIN2"), quote!(crate::pwm::BreakInput2Pin)),
(("timer", "BKIN2_COMP1"), quote!(crate::pwm::BreakInput2Comparator1Pin)),
(("timer", "BKIN2_COMP2"), quote!(crate::pwm::BreakInput2Comparator2Pin)),
(("hrtim", "CHA1"), quote!(crate::pwm::ChannelAPin)),
(("hrtim", "CHA2"), quote!(crate::pwm::ChannelAComplementaryPin)),
(("hrtim", "CHB1"), quote!(crate::pwm::ChannelBPin)),
(("hrtim", "CHB2"), quote!(crate::pwm::ChannelBComplementaryPin)),
(("hrtim", "CHC1"), quote!(crate::pwm::ChannelCPin)),
(("hrtim", "CHC2"), quote!(crate::pwm::ChannelCComplementaryPin)),
(("hrtim", "CHD1"), quote!(crate::pwm::ChannelDPin)),
(("hrtim", "CHD2"), quote!(crate::pwm::ChannelDComplementaryPin)),
(("hrtim", "CHE1"), quote!(crate::pwm::ChannelEPin)),
(("hrtim", "CHE2"), quote!(crate::pwm::ChannelEComplementaryPin)),
(("sdmmc", "CK"), quote!(crate::sdmmc::CkPin)),
(("sdmmc", "CMD"), quote!(crate::sdmmc::CmdPin)),
(("sdmmc", "D0"), quote!(crate::sdmmc::D0Pin)),

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@ -0,0 +1,147 @@
use core::marker::PhantomData;
use embassy_hal_common::{into_ref, PeripheralRef};
use super::simple_pwm::*;
use super::*;
#[allow(unused_imports)]
use crate::gpio::sealed::{AFType, Pin};
use crate::gpio::AnyPin;
use crate::time::Hertz;
use crate::Peripheral;
// Re-implement the channels for hrtim
pub struct ChA;
pub struct ChB;
pub struct ChC;
pub struct ChD;
pub struct ChE;
pub struct PwmPin<'d, Perip, Channel> {
_pin: PeripheralRef<'d, AnyPin>,
phantom: PhantomData<(Perip, Channel)>,
}
pub struct ComplementaryPwmPin<'d, Perip, Channel> {
_pin: PeripheralRef<'d, AnyPin>,
phantom: PhantomData<(Perip, Channel)>,
}
macro_rules! advanced_channel_impl {
($new_chx:ident, $channel:ident, $pin_trait:ident, $complementary_pin_trait:ident) => {
impl<'d, Perip: AdvancedCaptureCompare16bitInstance> PwmPin<'d, Perip, $channel> {
pub fn $new_chx(pin: impl Peripheral<P = impl $complementary_pin_trait<Perip>> + 'd) -> Self {
into_ref!(pin);
critical_section::with(|_| {
pin.set_low();
pin.set_as_af(pin.af_num(), AFType::OutputPushPull);
#[cfg(gpio_v2)]
pin.set_speed(crate::gpio::Speed::VeryHigh);
});
PwmPin {
_pin: pin.map_into(),
phantom: PhantomData,
}
}
}
impl<'d, Perip: AdvancedCaptureCompare16bitInstance> ComplementaryPwmPin<'d, Perip, $channel> {
pub fn $new_chx(pin: impl Peripheral<P = impl $complementary_pin_trait<Perip>> + 'd) -> Self {
into_ref!(pin);
critical_section::with(|_| {
pin.set_low();
pin.set_as_af(pin.af_num(), AFType::OutputPushPull);
#[cfg(gpio_v2)]
pin.set_speed(crate::gpio::Speed::VeryHigh);
});
ComplementaryPwmPin {
_pin: pin.map_into(),
phantom: PhantomData,
}
}
}
};
}
advanced_channel_impl!(new_cha, ChA, ChannelAPin, ChannelAComplementaryPin);
advanced_channel_impl!(new_chb, ChB, ChannelBPin, ChannelBComplementaryPin);
advanced_channel_impl!(new_chc, ChC, ChannelCPin, ChannelCComplementaryPin);
advanced_channel_impl!(new_chd, ChD, ChannelDPin, ChannelDComplementaryPin);
advanced_channel_impl!(new_che, ChE, ChannelEPin, ChannelEComplementaryPin);
pub struct AdvancedPwm<'d, T> {
inner: PeripheralRef<'d, T>,
}
impl<'d, T: ComplementaryCaptureCompare16bitInstance> AdvancedPwm<'d, T> {
pub fn new(
tim: impl Peripheral<P = T> + 'd,
_ch1: Option<PwmPin<'d, T, Ch1>>,
_ch1n: Option<ComplementaryPwmPin<'d, T, Ch1>>,
_ch2: Option<PwmPin<'d, T, Ch2>>,
_ch2n: Option<ComplementaryPwmPin<'d, T, Ch2>>,
_ch3: Option<PwmPin<'d, T, Ch3>>,
_ch3n: Option<ComplementaryPwmPin<'d, T, Ch3>>,
_ch4: Option<PwmPin<'d, T, Ch4>>,
_ch4n: Option<ComplementaryPwmPin<'d, T, Ch4>>,
freq: Hertz,
) -> Self {
Self::new_inner(tim, freq)
}
fn new_inner(tim: impl Peripheral<P = T> + 'd, freq: Hertz) -> Self {
into_ref!(tim);
T::enable();
<T as crate::rcc::sealed::RccPeripheral>::reset();
let mut this = Self { inner: tim };
//
// this.inner.set_frequency(freq);
// this.inner.start();
//
// this.inner.enable_outputs(true);
//
// 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);
this
}
pub fn enable(&mut self, channel: AdvancedChannel) {
// self.inner.enable_channel(channel, true);
// self.inner.enable_complementary_channel(channel, true);
}
pub fn disable(&mut self, channel: AdvancedChannel) {
// self.inner.enable_complementary_channel(channel, false);
// self.inner.enable_channel(channel, false);
}
pub fn set_freq(&mut self, freq: Hertz) {
// self.inner.set_frequency(freq);
}
pub fn get_max_duty(&self) -> u16 {
todo!()
// self.inner.get_max_compare_value()
}
pub fn set_duty(&mut self, channel: AdvancedChannel, duty: u16) {
// assert!(duty < self.get_max_duty());
// self.inner.set_compare_value(channel, duty)
}
/// Set the dead time as a proportion of max_duty
pub fn set_dead_time(&mut self, value: u16) {
// let (ckd, value) = compute_dead_time_value(value);
//
// self.inner.set_dead_time_clock_division(ckd);
// self.inner.set_dead_time_value(value);
}
}

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@ -1,3 +1,5 @@
#[cfg(hrtim_v1)]
pub mod advanced_pwm;
pub mod complementary_pwm;
pub mod simple_pwm;
@ -27,6 +29,29 @@ impl Channel {
}
}
#[cfg(hrtim_v1)]
#[derive(Clone, Copy)]
pub enum AdvancedChannel {
ChA,
ChB,
ChC,
ChD,
ChE,
}
#[cfg(hrtim_v1)]
impl AdvancedChannel {
pub fn raw(&self) -> usize {
match self {
AdvancedChannel::ChA => 0,
AdvancedChannel::ChB => 1,
AdvancedChannel::ChC => 2,
AdvancedChannel::ChD => 3,
AdvancedChannel::ChE => 4,
}
}
}
#[derive(Clone, Copy)]
pub enum OutputCompareMode {
Frozen,
@ -57,6 +82,14 @@ impl From<OutputCompareMode> for stm32_metapac::timer::vals::Ocm {
pub(crate) mod sealed {
use super::*;
pub trait AdvancedCaptureCompare16bitInstance: crate::timer::sealed::HighResolutionControlInstance {
fn enable_outputs(&mut self, enable: bool);
fn set_output_compare_mode(&mut self, channel: AdvancedChannel, mode: OutputCompareMode);
fn enable_channel(&mut self, channel: AdvancedChannel, enable: bool);
}
pub trait CaptureCompare16bitInstance: crate::timer::sealed::GeneralPurpose16bitInstance {
/// Global output enable. Does not do anything on non-advanced timers.
fn enable_outputs(&mut self, enable: bool);
@ -89,6 +122,8 @@ pub(crate) mod sealed {
}
}
pub trait AdvancedCaptureCompare16bitInstance: sealed::AdvancedCaptureCompare16bitInstance + 'static {}
pub trait CaptureCompare16bitInstance:
sealed::CaptureCompare16bitInstance + crate::timer::GeneralPurpose16bitInstance + 'static
{
@ -250,6 +285,20 @@ foreach_interrupt! {
}
};
($inst:ident, hrtim, HRTIM, MASTER, $irq:ident) => {
impl crate::pwm::sealed::AdvancedCaptureCompare16bitInstance for crate::peripherals::$inst {
fn enable_outputs(&mut self, enable: bool) { todo!() }
fn set_output_compare_mode(&mut self, channel: AdvancedChannel, mode: OutputCompareMode) { todo!() }
fn enable_channel(&mut self, channel: AdvancedChannel, enable: bool) { todo!() }
}
impl AdvancedCaptureCompare16bitInstance for crate::peripherals::$inst {
}
};
}
pin_trait!(Channel1Pin, CaptureCompare16bitInstance);
@ -267,3 +316,14 @@ pin_trait!(BreakInputComparator2Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator1Pin, CaptureCompare16bitInstance);
pin_trait!(BreakInput2Comparator2Pin, CaptureCompare16bitInstance);
pin_trait!(ChannelAPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelAComplementaryPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelBPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelBComplementaryPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelCPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelCComplementaryPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelDPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelDComplementaryPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelEPin, AdvancedCaptureCompare16bitInstance);
pin_trait!(ChannelEComplementaryPin, AdvancedCaptureCompare16bitInstance);

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@ -43,6 +43,21 @@ pub(crate) mod sealed {
pub trait AdvancedControlInstance: GeneralPurpose16bitInstance {
fn regs_advanced() -> crate::pac::timer::TimAdv;
}
#[cfg(hrtim_v1)]
pub trait HighResolutionControlInstance: RccPeripheral {
type Interrupt: interrupt::typelevel::Interrupt;
fn regs_highres() -> crate::pac::hrtim::Hrtim;
fn start(&mut self);
fn stop(&mut self);
fn reset(&mut self);
fn set_frequency(&mut self, frequency: Hertz);
}
}
pub trait GeneralPurpose16bitInstance: sealed::GeneralPurpose16bitInstance + 'static {}
@ -51,6 +66,9 @@ pub trait GeneralPurpose32bitInstance: sealed::GeneralPurpose32bitInstance + 'st
pub trait AdvancedControlInstance: sealed::AdvancedControlInstance + 'static {}
#[cfg(hrtim_v1)]
pub trait HighResolutionControlInstance: sealed::HighResolutionControlInstance + 'static {}
pub trait Basic16bitInstance: sealed::Basic16bitInstance + 'static {}
#[allow(unused)]
@ -208,4 +226,25 @@ foreach_interrupt! {
impl AdvancedControlInstance for crate::peripherals::$inst {
}
};
($inst:ident, hrtim, HRTIM, MASTER, $irq:ident) => {
impl sealed::HighResolutionControlInstance for crate::peripherals::$inst {
type Interrupt = crate::interrupt::typelevel::$irq;
fn regs_highres() -> crate::pac::hrtim::Hrtim {
crate::pac::$inst
}
fn start(&mut self) { todo!() }
fn stop(&mut self) { todo!() }
fn reset(&mut self) { todo!() }
fn set_frequency(&mut self, frequency: Hertz) { todo!() }
}
impl HighResolutionControlInstance for crate::peripherals::$inst {
}
};
}