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hrtim: fix example and auto adjust psc.

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This commit is contained in:
xoviat
2023-07-01 21:47:44 -05:00
parent 8141d53d94
commit aceba1c03f
4 changed files with 160 additions and 56 deletions
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27
examples/stm32f334/src/bin/button.rs Normal file
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@ -0,0 +1,27 @@
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
info!("Hello World!");
let p = embassy_stm32::init(Default::default());
let mut out1 = Output::new(p.PA8, Level::Low, Speed::High);
out1.set_high();
Timer::after(Duration::from_millis(500)).await;
out1.set_low();
Timer::after(Duration::from_millis(500)).await;
info!("end program");
cortex_m::asm::bkpt();
}

65
examples/stm32f334/src/bin/pwm.rs
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@ -5,12 +5,20 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::pwm::advanced_pwm::*;
use embassy_stm32::time::khz;
use embassy_stm32::time::{khz, mhz};
use embassy_stm32::Config;
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
let mut config: Config = Default::default();
config.rcc.sysclk = Some(mhz(64));
config.rcc.hclk = Some(mhz(64));
config.rcc.pclk1 = Some(mhz(32));
config.rcc.pclk2 = Some(mhz(64));
let p = embassy_stm32::init(config);
info!("Hello World!");
let ch1 = PwmPin::new_cha(p.PA8);
@ -29,34 +37,35 @@ async fn main(_spawner: Spawner) {
None,
);
let mut buck_converter = BridgeConverter::new(pwm.ch_a, khz(100));
info!("pwm constructed");
buck_converter.set_primary_duty(0);
buck_converter.set_secondary_duty(0);
buck_converter.set_dead_time(0);
let mut buck_converter = BridgeConverter::new(pwm.ch_a, khz(5));
// note: if the pins are not passed into the advanced pwm struct, they will not be output
let mut boost_converter = BridgeConverter::new(pwm.ch_b, khz(100));
boost_converter.set_primary_duty(0);
boost_converter.set_secondary_duty(0);
// let max = pwm.get_max_duty();
// pwm.set_dead_time(max / 1024);
// embassy_stm32::pac::HRTIM1
// .tim(0)
// .setr(0)
// .modify(|w| w.set_sst(Activeeffect::SETACTIVE));
//
// pwm.enable(Channel::Ch1);
// Timer::after(Duration::from_millis(500)).await;
//
// info!("PWM initialized");
// info!("PWM max duty {}", max);
//
// loop {
// pwm.set_duty(Channel::Ch1, 0);
// Timer::after(Duration::from_millis(300)).await;
// pwm.set_duty(Channel::Ch1, max / 4);
// Timer::after(Duration::from_millis(300)).await;
// pwm.set_duty(Channel::Ch1, max / 2);
// Timer::after(Duration::from_millis(300)).await;
// pwm.set_duty(Channel::Ch1, max - 1);
// Timer::after(Duration::from_millis(300)).await;
// }
// embassy_stm32::pac::HRTIM1
// .tim(0)
// .rstr(0)
// .modify(|w| w.set_srt(Inactiveeffect::SETINACTIVE));
let max_duty = buck_converter.get_max_compare_value();
info!("max compare value: {}", max_duty);
buck_converter.set_dead_time(max_duty / 20);
buck_converter.set_primary_duty(max_duty / 2);
buck_converter.set_secondary_duty(3 * max_duty / 4);
buck_converter.start();
Timer::after(Duration::from_millis(500)).await;
info!("end program");
cortex_m::asm::bkpt();
}