From 389cbc0a77daea15decae706818f104d89446020 Mon Sep 17 00:00:00 2001 From: Dario Nieuwenhuis Date: Sat, 23 Mar 2024 00:35:06 +0100 Subject: stm32/timer: simplify traits, convert from trait methods to struct. --- examples/stm32f4/src/bin/ws2812_pwm.rs | 5 ++-- examples/stm32h7/src/bin/dac_dma.rs | 26 +++++++++---------- examples/stm32h7/src/bin/low_level_timer_api.rs | 34 +++++++++++++------------ examples/stm32l4/src/bin/dac_dma.rs | 26 +++++++++---------- 4 files changed, 47 insertions(+), 44 deletions(-) (limited to 'examples') diff --git a/examples/stm32f4/src/bin/ws2812_pwm.rs b/examples/stm32f4/src/bin/ws2812_pwm.rs index 6122cea2d..cbaff75fc 100644 --- a/examples/stm32f4/src/bin/ws2812_pwm.rs +++ b/examples/stm32f4/src/bin/ws2812_pwm.rs @@ -15,8 +15,9 @@ use embassy_executor::Spawner; use embassy_stm32::gpio::OutputType; use embassy_stm32::time::khz; +use embassy_stm32::timer::low_level::CountingMode; use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm}; -use embassy_stm32::timer::{Channel, CountingMode}; +use embassy_stm32::timer::Channel; use embassy_time::{Duration, Ticker, Timer}; use {defmt_rtt as _, panic_probe as _}; @@ -60,7 +61,7 @@ async fn main(_spawner: Spawner) { // construct ws2812 non-return-to-zero (NRZ) code bit by bit // ws2812 only need 24 bits for each LED, but we add one bit more to keep PWM output low - let max_duty = ws2812_pwm.get_max_duty(); + let max_duty = ws2812_pwm.get_max_duty() as u16; let n0 = 8 * max_duty / 25; // ws2812 Bit 0 high level timing let n1 = 2 * n0; // ws2812 Bit 1 high level timing diff --git a/examples/stm32h7/src/bin/dac_dma.rs b/examples/stm32h7/src/bin/dac_dma.rs index feec28993..c45747f35 100644 --- a/examples/stm32h7/src/bin/dac_dma.rs +++ b/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::BasicInstance; +use embassy_stm32::timer::low_level::Timer; use micromath::F32Ext; use {defmt_rtt as _, panic_probe as _}; @@ -51,12 +51,12 @@ async fn main(spawner: Spawner) { // Obtain two independent channels (p.DAC1 can only be consumed once, though!) let (dac_ch1, dac_ch2) = embassy_stm32::dac::Dac::new(p.DAC1, p.DMA1_CH3, p.DMA1_CH4, p.PA4, p.PA5).split(); - spawner.spawn(dac_task1(dac_ch1)).ok(); - spawner.spawn(dac_task2(dac_ch2)).ok(); + spawner.spawn(dac_task1(p.TIM6, dac_ch1)).ok(); + spawner.spawn(dac_task2(p.TIM7, dac_ch2)).ok(); } #[embassy_executor::task] -async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { +async fn dac_task1(tim: TIM6, mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { let data: &[u8; 256] = &calculate_array::<256>(); info!("TIM6 frequency is {}", TIM6::frequency()); @@ -74,10 +74,10 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { dac.set_triggering(true); dac.enable(); - TIM6::enable_and_reset(); - 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| { + let tim = Timer::new(tim); + tim.regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1)); + tim.regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE)); + tim.regs_basic().cr1().modify(|w| { w.set_opm(false); w.set_cen(true); }); @@ -99,7 +99,7 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { } #[embassy_executor::task] -async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { +async fn dac_task2(tim: TIM7, mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { let data: &[u8; 256] = &calculate_array::<256>(); info!("TIM7 frequency is {}", TIM7::frequency()); @@ -111,10 +111,10 @@ async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { error!("Reload value {} below threshold!", reload); } - TIM7::enable_and_reset(); - 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| { + let tim = Timer::new(tim); + tim.regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1)); + tim.regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE)); + tim.regs_basic().cr1().modify(|w| { w.set_opm(false); w.set_cen(true); }); diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs index 049d9967d..780fbc6f0 100644 --- a/examples/stm32h7/src/bin/low_level_timer_api.rs +++ b/examples/stm32h7/src/bin/low_level_timer_api.rs @@ -6,8 +6,9 @@ use embassy_executor::Spawner; use embassy_stm32::gpio::low_level::AFType; use embassy_stm32::gpio::Speed; use embassy_stm32::time::{khz, Hertz}; -use embassy_stm32::timer::*; -use embassy_stm32::{into_ref, Config, Peripheral, PeripheralRef}; +use embassy_stm32::timer::low_level::{OutputCompareMode, Timer as LLTimer}; +use embassy_stm32::timer::{Channel, Channel1Pin, Channel2Pin, Channel3Pin, Channel4Pin, GeneralInstance32bit4Channel}; +use embassy_stm32::{into_ref, Config, Peripheral}; use embassy_time::Timer; use {defmt_rtt as _, panic_probe as _}; @@ -56,11 +57,11 @@ async fn main(_spawner: Spawner) { Timer::after_millis(300).await; } } -pub struct SimplePwm32<'d, T: CaptureCompare32bitInstance> { - inner: PeripheralRef<'d, T>, +pub struct SimplePwm32<'d, T: GeneralInstance32bit4Channel> { + tim: LLTimer<'d, T>, } -impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> { +impl<'d, T: GeneralInstance32bit4Channel> SimplePwm32<'d, T> { pub fn new( tim: impl Peripheral

+ 'd, ch1: impl Peripheral

> + 'd, @@ -69,9 +70,7 @@ impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> { ch4: impl Peripheral

> + 'd, freq: Hertz, ) -> Self { - into_ref!(tim, ch1, ch2, ch3, ch4); - - T::enable_and_reset(); + into_ref!(ch1, ch2, ch3, ch4); ch1.set_speed(Speed::VeryHigh); ch1.set_as_af(ch1.af_num(), AFType::OutputPushPull); @@ -82,12 +81,12 @@ impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> { ch4.set_speed(Speed::VeryHigh); ch4.set_as_af(ch1.af_num(), AFType::OutputPushPull); - let mut this = Self { inner: tim }; + let mut this = Self { tim: LLTimer::new(tim) }; this.set_frequency(freq); - this.inner.start(); + this.tim.start(); - let r = T::regs_gp32(); + let r = this.tim.regs_gp32(); r.ccmr_output(0) .modify(|w| w.set_ocm(0, OutputCompareMode::PwmMode1.into())); r.ccmr_output(0) @@ -101,23 +100,26 @@ impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> { } pub fn enable(&mut self, channel: Channel) { - T::regs_gp32().ccer().modify(|w| w.set_cce(channel.index(), true)); + self.tim.regs_gp32().ccer().modify(|w| w.set_cce(channel.index(), true)); } pub fn disable(&mut self, channel: Channel) { - T::regs_gp32().ccer().modify(|w| w.set_cce(channel.index(), false)); + self.tim + .regs_gp32() + .ccer() + .modify(|w| w.set_cce(channel.index(), false)); } pub fn set_frequency(&mut self, freq: Hertz) { - ::set_frequency(&mut self.inner, freq); + self.tim.set_frequency(freq); } pub fn get_max_duty(&self) -> u32 { - T::regs_gp32().arr().read() + self.tim.regs_gp32().arr().read() } pub fn set_duty(&mut self, channel: Channel, duty: u32) { defmt::assert!(duty < self.get_max_duty()); - T::regs_gp32().ccr(channel.index()).write_value(duty) + self.tim.regs_gp32().ccr(channel.index()).write_value(duty) } } diff --git a/examples/stm32l4/src/bin/dac_dma.rs b/examples/stm32l4/src/bin/dac_dma.rs index f227812cd..98edd39c0 100644 --- a/examples/stm32l4/src/bin/dac_dma.rs +++ b/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::BasicInstance; +use embassy_stm32::timer::low_level::Timer; use micromath::F32Ext; use {defmt_rtt as _, panic_probe as _}; @@ -22,12 +22,12 @@ async fn main(spawner: Spawner) { // Obtain two independent channels (p.DAC1 can only be consumed once, though!) let (dac_ch1, dac_ch2) = embassy_stm32::dac::Dac::new(p.DAC1, p.DMA1_CH3, p.DMA1_CH4, p.PA4, p.PA5).split(); - spawner.spawn(dac_task1(dac_ch1)).ok(); - spawner.spawn(dac_task2(dac_ch2)).ok(); + spawner.spawn(dac_task1(p.TIM6, dac_ch1)).ok(); + spawner.spawn(dac_task2(p.TIM7, dac_ch2)).ok(); } #[embassy_executor::task] -async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { +async fn dac_task1(tim: TIM6, mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { let data: &[u8; 256] = &calculate_array::<256>(); info!("TIM6 frequency is {}", TIM6::frequency()); @@ -45,10 +45,10 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { dac.set_triggering(true); dac.enable(); - TIM6::enable_and_reset(); - 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| { + let tim = Timer::new(tim); + tim.regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1)); + tim.regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE)); + tim.regs_basic().cr1().modify(|w| { w.set_opm(false); w.set_cen(true); }); @@ -70,7 +70,7 @@ async fn dac_task1(mut dac: DacCh1<'static, DAC1, DMA1_CH3>) { } #[embassy_executor::task] -async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { +async fn dac_task2(tim: TIM7, mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { let data: &[u8; 256] = &calculate_array::<256>(); info!("TIM7 frequency is {}", TIM7::frequency()); @@ -82,10 +82,10 @@ async fn dac_task2(mut dac: DacCh2<'static, DAC1, DMA1_CH4>) { error!("Reload value {} below threshold!", reload); } - TIM7::enable_and_reset(); - 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| { + let tim = Timer::new(tim); + tim.regs_basic().arr().modify(|w| w.set_arr(reload as u16 - 1)); + tim.regs_basic().cr2().modify(|w| w.set_mms(Mms::UPDATE)); + tim.regs_basic().cr1().modify(|w| { w.set_opm(false); w.set_cen(true); }); -- cgit