PWM: Add test

tests/pwm/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "riot-wrappers-test-pwm"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[lib]
+crate-type = ["staticlib"]
+
+[profile.release]
+panic = "abort"
+
+[dependencies]
+riot-wrappers = { version = "*", features = [ "set_panic_handler" ] }
+riot-sys = "*"
+embedded-hal = { version = "0.2.4", features = ["unproven"] }

tests/pwm/Makefile

@@ -0,0 +1,7 @@
+APPLICATION = riot-wrappers-test-pwm
+APPLICATION_RUST_MODULE = riot_wrappers_test_pwm
+BASELIBS += $(APPLICATION_RUST_MODULE).module
+FEATURES_REQUIRED += rust_target
+FEATURES_REQUIRED += periph_pwm
+
+include $(RIOTBASE)/Makefile.include

tests/pwm/src/lib.rs

@@ -0,0 +1,13 @@
+#![no_std]
+
+use embedded_hal::Pwm;
+use riot_wrappers::pwm::{HertzU32, PWMDevice, PWMMode};
+use riot_wrappers::riot_main;
+
+riot_main!(main);
+
+fn main() {
+    let mut pwm = PWMDevice::<0>::new(0, PWMMode::Left, HertzU32::Hz(10), 100).unwrap();
+    let channel_0 = pwm.get_channel(0).unwrap();
+    pwm.set_duty(channel_0, 50); // 50% duty_cycle
+}