feat(examples): add dynamic thread priority example

examples/laze.yml

@@ -21,4 +21,5 @@ subdirs:
   - random
   - threading
   - threading-channel
+  - threading-dynamic-prios
   - usb-serial

examples/threading-dynamic-prios/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "threading-dynamic-prios"
+version = "0.1.0"
+authors = ["Elena Frank <[email protected]>"]
+edition.workspace = true
+publish = false
+
+[dependencies]
+riot-rs = { path = "../../src/riot-rs", features = ["threading"] }
+riot-rs-boards = { path = "../../src/riot-rs-boards" }

examples/threading-dynamic-prios/README.md

@@ -0,0 +1,13 @@
+# threading-dynamic-prios
+
+## About
+
+This application demonstrates threading with dynamic priorities.
+
+## How to run
+
+In this folder, run
+
+    laze build -b nrf52840dk run
+
+The application will start two threads that change their priorities during runtime.

examples/threading-dynamic-prios/laze.yml

@@ -0,0 +1,5 @@
+apps:
+  - name: threading-dynamic-prios
+    selects:
+      - ?release
+      - sw/threading

examples/threading-dynamic-prios/src/main.rs

@@ -0,0 +1,42 @@
+#![no_main]
+#![no_std]
+#![feature(type_alias_impl_trait)]
+#![feature(used_with_arg)]
+
+use riot_rs::{debug::log::*, thread::ThreadId};
+
+#[riot_rs::thread(autostart, priority = 3)]
+fn thread0() {
+    let pid = riot_rs::thread::current_pid().unwrap();
+    info!(
+        "{}: Running at prio {}.",
+        pid,
+        riot_rs::thread::get_priority(pid).unwrap()
+    );
+    let new_thread1_prio = 5;
+    info!("{}: Changing Thread 1's prio to {}.", pid, new_thread1_prio);
+    riot_rs::thread::set_priority(ThreadId::new(1), new_thread1_prio);
+    info!(
+        "{}: Running again at prio {}.",
+        pid,
+        riot_rs::thread::get_priority(pid).unwrap()
+    );
+}
+
+#[riot_rs::thread(autostart, priority = 1)]
+fn thread1() {
+    let pid = riot_rs::thread::current_pid().unwrap();
+    info!(
+        "{}: Running at prio {}.",
+        pid,
+        riot_rs::thread::get_priority(pid).unwrap()
+    );
+    let new_prio = 1;
+    info!("{}: Changing own prio back to {}.", pid, new_prio);
+    riot_rs::thread::set_priority(pid, new_prio);
+    info!(
+        "{}: Running again at prio {}.",
+        pid,
+        riot_rs::thread::get_priority(pid).unwrap()
+    );
+}