stm32/hrtim: add example impl.

.vscode/settings.json

@@ -25,6 +25,7 @@
     // "examples/stm32f1/Cargo.toml",
     // "examples/stm32f2/Cargo.toml",
     // "examples/stm32f3/Cargo.toml",
+    // "examples/stm32f334/Cargo.toml",
     // "examples/stm32f4/Cargo.toml",
     // "examples/stm32f7/Cargo.toml",
     // "examples/stm32g0/Cargo.toml",

ci.sh

@@ -119,6 +119,7 @@ cargo batch  \
     --- build --release --manifest-path examples/stm32f1/Cargo.toml --target thumbv7m-none-eabi --out-dir out/examples/stm32f1 \
     --- build --release --manifest-path examples/stm32f2/Cargo.toml --target thumbv7m-none-eabi --out-dir out/examples/stm32f2 \
     --- build --release --manifest-path examples/stm32f3/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/stm32f3 \
+    --- build --release --manifest-path examples/stm32f334/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/stm32f334 \
     --- build --release --manifest-path examples/stm32f4/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/stm32f4 \
     --- build --release --manifest-path examples/stm32f7/Cargo.toml --target thumbv7em-none-eabihf --out-dir out/examples/stm32f7 \
     --- build --release --manifest-path examples/stm32c0/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/stm32c0 \

embassy-stm32/src/pwm/advanced_pwm.rs

@@ -52,7 +52,7 @@ pub struct ComplementaryPwmPin<'d, Perip, Channel> {
 macro_rules! advanced_channel_impl {
     ($new_chx:ident, $channel:tt, $ch_num:expr, $pin_trait:ident, $complementary_pin_trait:ident) => {
         impl<'d, Perip: AdvancedCaptureCompare16bitInstance> PwmPin<'d, Perip, $channel<Perip>> {
-            pub fn $new_chx(pin: impl Peripheral<P = impl $complementary_pin_trait<Perip>> + 'd) -> Self {
+            pub fn $new_chx(pin: impl Peripheral<P = impl $pin_trait<Perip>> + 'd) -> Self {
                 into_ref!(pin);
                 critical_section::with(|_| {
                     pin.set_low();

examples/stm32f334/.cargo/config.toml

@@ -0,0 +1,9 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# replace STM32F429ZITx with your chip as listed in `probe-rs-cli chip list`
+runner = "probe-rs-cli run --chip STM32F303ZETx"
+
+[build]
+target = "thumbv7em-none-eabihf"
+
+[env]
+DEFMT_LOG = "trace"

examples/stm32f334/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+edition = "2021"
+name = "embassy-stm32f3-examples"
+version = "0.1.0"
+license = "MIT OR Apache-2.0"
+
+[dependencies]
+embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
+embassy-executor = { version = "0.2.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f334r8", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
+embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
+embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
+
+defmt = "0.3"
+defmt-rtt = "0.4"
+
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
+cortex-m-rt = "0.7.0"
+embedded-hal = "0.2.6"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
+futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
+heapless = { version = "0.7.5", default-features = false }
+nb = "1.0.0"
+embedded-storage = "0.3.0"
+static_cell = { version = "1.1", features = ["nightly"]}

examples/stm32f334/build.rs

@@ -0,0 +1,5 @@
+fn main() {
+    println!("cargo:rustc-link-arg-bins=--nmagic");
+    println!("cargo:rustc-link-arg-bins=-Tlink.x");
+    println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+}

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;
+    //    }
+}