mspm0-watchdog: add watchdog examples for all chips

examples/mspm0c1104/src/bin/wwdt.rs

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+//! Example of using window watchdog timer in the MSPM0C1104 chip.
+//!
+//! It tests the use case when watchdog timer is expired and when watchdog is pet too early.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_mspm0::gpio::{Level, Output};
+use embassy_mspm0::watchdog::{ClosedWindowPercentage, Config, Timeout, Watchdog};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_halt as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    info!("Hello world!");
+
+    let p = embassy_mspm0::init(Default::default());
+    let mut conf = Config::default();
+    conf.timeout = Timeout::Sec1;
+
+    // watchdog also resets the system if the pet comes too early,
+    // less than 250 msec == 25% from 1 sec
+    conf.closed_window = ClosedWindowPercentage::TwentyFive;
+    let mut wdt = Watchdog::new(p.WWDT0, conf);
+    info!("Started the watchdog timer");
+
+    let mut led1 = Output::new(p.PA0, Level::High);
+    led1.set_inversion(true);
+    Timer::after_millis(900).await;
+
+    for _ in 1..=5 {
+        info!("pet watchdog");
+        led1.toggle();
+        wdt.pet();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog timeout test
+    info!("Stopped the pet command, device will reset in less than 1 second");
+    loop {
+        led1.toggle();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog "too early" test
+    // info!("Device will reset when the pet comes too early");
+    // loop {
+    //     led1.toggle();
+    //     wdt.pet();
+    //     Timer::after_millis(200).await;
+    // }
+}

examples/mspm0g3507/src/bin/wwdt.rs

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+//! Example of using window watchdog timer in the MSPM0G3507 chip.
+//!
+//! It tests the use case when watchdog timer is expired and when watchdog is pet too early.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_mspm0::gpio::{Level, Output};
+use embassy_mspm0::watchdog::{ClosedWindowPercentage, Config, Timeout, Watchdog};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_halt as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    info!("Hello world!");
+
+    let p = embassy_mspm0::init(Default::default());
+    let mut conf = Config::default();
+    conf.timeout = Timeout::Sec1;
+
+    // watchdog also resets the system if the pet comes too early,
+    // less than 250 msec == 25% from 1 sec
+    conf.closed_window = ClosedWindowPercentage::TwentyFive;
+    let mut wdt = Watchdog::new(p.WWDT0, conf);
+    info!("Started the watchdog timer");
+
+    let mut led1 = Output::new(p.PA0, Level::High);
+    led1.set_inversion(true);
+    Timer::after_millis(900).await;
+
+    for _ in 1..=5 {
+        info!("pet watchdog");
+        led1.toggle();
+        wdt.pet();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog timeout test
+    info!("Stopped the pet command, device will reset in less than 1 second");
+    loop {
+        led1.toggle();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog "too early" test
+    // info!("Device will reset when the pet comes too early");
+    // loop {
+    //     led1.toggle();
+    //     wdt.pet();
+    //     Timer::after_millis(200).await;
+    // }
+}

examples/mspm0g3519/src/bin/wwdt.rs

@@ -0,0 +1,54 @@
+//! Example of using window watchdog timer in the MSPM0G3519 chip.
+//!
+//! It tests the use case when watchdog timer is expired and when watchdog is pet too early.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_mspm0::gpio::{Level, Output};
+use embassy_mspm0::watchdog::{ClosedWindowPercentage, Config, Timeout, Watchdog};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_halt as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    info!("Hello world!");
+
+    let p = embassy_mspm0::init(Default::default());
+    let mut conf = Config::default();
+    conf.timeout = Timeout::Sec1;
+
+    // watchdog also resets the system if the pet comes too early,
+    // less than 250 msec == 25% from 1 sec
+    conf.closed_window = ClosedWindowPercentage::TwentyFive;
+    let mut wdt = Watchdog::new(p.WWDT0, conf);
+    info!("Started the watchdog timer");
+
+    let mut led1 = Output::new(p.PA0, Level::High);
+    led1.set_inversion(true);
+    Timer::after_millis(900).await;
+
+    for _ in 1..=5 {
+        info!("pet watchdog");
+        led1.toggle();
+        wdt.pet();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog timeout test
+    info!("Stopped the pet command, device will reset in less than 1 second");
+    loop {
+        led1.toggle();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog "too early" test
+    // info!("Device will reset when the pet comes too early");
+    // loop {
+    //     led1.toggle();
+    //     wdt.pet();
+    //     Timer::after_millis(200).await;
+    // }
+}

examples/mspm0l1306/src/bin/wwdt.rs

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+//! Example of using window watchdog timer in the MSPM0L1306 chip.
+//!
+//! It tests the use case when watchdog timer is expired and when watchdog is pet too early.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_mspm0::gpio::{Level, Output};
+use embassy_mspm0::watchdog::{ClosedWindowPercentage, Config, Timeout, Watchdog};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_halt as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    info!("Hello world!");
+
+    let p = embassy_mspm0::init(Default::default());
+    let mut conf = Config::default();
+    conf.timeout = Timeout::Sec1;
+
+    // watchdog also resets the system if the pet comes too early,
+    // less than 250 msec == 25% from 1 sec
+    conf.closed_window = ClosedWindowPercentage::TwentyFive;
+    let mut wdt = Watchdog::new(p.WWDT0, conf);
+    info!("Started the watchdog timer");
+
+    let mut led1 = Output::new(p.PA0, Level::High);
+    led1.set_inversion(true);
+    Timer::after_millis(900).await;
+
+    for _ in 1..=5 {
+        info!("pet watchdog");
+        led1.toggle();
+        wdt.pet();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog timeout test
+    info!("Stopped the pet command, device will reset in less than 1 second");
+    loop {
+        led1.toggle();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog "too early" test
+    // info!("Device will reset when the pet comes too early");
+    // loop {
+    //     led1.toggle();
+    //     wdt.pet();
+    //     Timer::after_millis(200).await;
+    // }
+}

examples/mspm0l2228/src/bin/wwdt.rs

@@ -0,0 +1,54 @@
+//! Example of using window watchdog timer in the MSPM0L2228 chip.
+//!
+//! It tests the use case when watchdog timer is expired and when watchdog is pet too early.
+
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_mspm0::gpio::{Level, Output};
+use embassy_mspm0::watchdog::{ClosedWindowPercentage, Config, Timeout, Watchdog};
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_halt as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    info!("Hello world!");
+
+    let p = embassy_mspm0::init(Default::default());
+    let mut conf = Config::default();
+    conf.timeout = Timeout::Sec1;
+
+    // watchdog also resets the system if the pet comes too early,
+    // less than 250 msec == 25% from 1 sec
+    conf.closed_window = ClosedWindowPercentage::TwentyFive;
+    let mut wdt = Watchdog::new(p.WWDT0, conf);
+    info!("Started the watchdog timer");
+
+    let mut led1 = Output::new(p.PA0, Level::High);
+    led1.set_inversion(true);
+    Timer::after_millis(900).await;
+
+    for _ in 1..=5 {
+        info!("pet watchdog");
+        led1.toggle();
+        wdt.pet();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog timeout test
+    info!("Stopped the pet command, device will reset in less than 1 second");
+    loop {
+        led1.toggle();
+        Timer::after_millis(500).await;
+    }
+
+    // watchdog "too early" test
+    // info!("Device will reset when the pet comes too early");
+    // loop {
+    //     led1.toggle();
+    //     wdt.pet();
+    //     Timer::after_millis(200).await;
+    // }
+}