stm32/hrtim: add example impl.

examples/stm32f334/src/bin/hello.rs

@@ -0,0 +1,23 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_stm32::time::Hertz;
+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 mut config = Config::default();
+    config.rcc.hse = Some(Hertz(8_000_000));
+    config.rcc.sysclk = Some(Hertz(16_000_000));
+    let _p = embassy_stm32::init(config);
+
+    loop {
+        info!("Hello World!");
+        Timer::after(Duration::from_secs(1)).await;
+    }
+}

examples/stm32f334/src/bin/pwm.rs

@@ -0,0 +1,63 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::pwm::advanced_pwm::*;
+use embassy_stm32::pwm::Channel;
+use embassy_stm32::time::khz;
+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());
+    info!("Hello World!");
+
+    let ch1 = PwmPin::new_cha(p.PA8);
+    let ch1n = ComplementaryPwmPin::new_cha(p.PA9);
+    let mut pwm = AdvancedPwm::new(
+        p.HRTIM1,
+        Some(ch1),
+        Some(ch1n),
+        None,
+        None,
+        None,
+        None,
+        None,
+        None,
+        None,
+        None,
+    );
+
+    pwm.set_dead_time(0);
+
+    let mut buck_converter = BridgeConverter::new(pwm.ch_a, khz(100));
+
+    buck_converter.set_duty(0, u16::MAX);
+
+    // 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_duty(0, 0);
+
+    //    let max = pwm.get_max_duty();
+    //    pwm.set_dead_time(max / 1024);
+    //
+    //    pwm.enable(Channel::Ch1);
+    //
+    //    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;
+    //    }
+}