update package

- Add embassy example
- improve timer API
- restructure examples

Author: robamu

Cargo.toml

@@ -5,6 +5,8 @@ members = [
 	"va108xx",
 	"va108xx-hal",
   "examples/simple",
+  "examples/rtic",
+  "examples/embassy",
   "board-tests",
 ]
 

README.md

@@ -19,9 +19,13 @@ This workspace contains the following released crates:
 
 It also contains the following helper crates:
 
-- The `board-tests` contains an application which can be used to test the libraries on the
-  board.
-- The `examples` crates contains various example applications for the HAL and the PAC.
+- The [`board-tests`](https://egit.irs.uni-stuttgart.de/rust/va108xx-rs/src/branch/main/board-tests)
+  contains an application which can be used to test the libraries on the board.
+- The [`examples`](https://egit.irs.uni-stuttgart.de/rust/va108xx-rs/src/branch/main/examples)
+  folder contains various example applications crates using the HAL and the PAC.
+  This folder also contains dedicated example applications using the
+  [`RTIC`](https://rtic.rs/2/book/en/) and [`embassy`](https://github.com/embassy-rs/embassy)
+  native Rust RTOSes.
 
 ## Using the `.cargo/config.toml` file
 

board-tests/Cargo.toml

@@ -4,10 +4,9 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-cortex-m-rtic = "1"
-panic-halt = "0.2"
 cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = "0.7"
+panic-halt = "0.2"
 rtt-target = "0.5"
 panic-rtt-target = "0.1.3"
 embedded-hal = "1"

examples/README.md

@@ -0,0 +1,25 @@
+VA108xx Example Applications
+========
+
+This folder contains various examples
+Consult the main README first for setup of the repository.
+
+## Simple examples
+
+```rs
+cargo run --example blinky
+```
+
+You can have a look at the `simple/examples` folder to see all available simple examples
+
+## RTIC example
+
+```rs
+cargo run --bin rtic-example
+```
+
+## Embassy example
+
+```rs
+cargo run --bin embassy-example
+```

examples/embassy/Cargo.toml

@@ -0,0 +1,40 @@
+[package]
+name = "embassy-example"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
+cortex-m-rt = "0.7"
+embedded-hal = "1"
+
+rtt-target = { version = "0.5" }
+panic-rtt-target = { version = "0.1" }
+critical-section = "1"
+portable-atomic = { version = "1", features = ["unsafe-assume-single-core"]}
+
+embassy-sync = { version = "0.6.0" }
+embassy-time = { version = "0.3.2" }
+embassy-time-driver = { version = "0.1" }
+
+[dependencies.once_cell]
+version = "1"
+default-features = false
+features = ["critical-section"]
+
+[dependencies.embassy-executor]
+version = "0.6.0"
+features = [
+    "arch-cortex-m",
+    "executor-thread",
+    "executor-interrupt",
+    "integrated-timers",
+]
+
+[dependencies.va108xx-hal]
+path = "../../va108xx-hal"
+
+[features]
+default = ["ticks-hz-1_000"]
+ticks-hz-1_000 = ["embassy-time/tick-hz-1_000"]
+ticks-hz-32_768 = ["embassy-time/tick-hz-32_768"]

examples/embassy/src/lib.rs

@@ -0,0 +1,4 @@
+#![no_std]
+pub mod time_driver;
+
+pub use time_driver::init;

examples/embassy/src/main.rs

@@ -0,0 +1,35 @@
+#![no_std]
+#![no_main]
+use embassy_executor::Spawner;
+use embassy_time::{Duration, Instant, Ticker};
+use embedded_hal::digital::StatefulOutputPin;
+use panic_rtt_target as _;
+use rtt_target::{rprintln, rtt_init_print};
+use va108xx_hal::{gpio::PinsA, pac, prelude::*};
+
+const SYSCLK_FREQ: Hertz = Hertz::from_raw(50_000_000);
+
+// main is itself an async function.
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    rtt_init_print!();
+    rprintln!("-- VA108xx Embassy Demo --");
+
+    let mut dp = pac::Peripherals::take().unwrap();
+
+    // Safety: Only called once here.
+    unsafe { embassy_example::init(&mut dp.sysconfig, SYSCLK_FREQ, dp.tim23, dp.tim22) };
+
+    let porta = PinsA::new(&mut dp.sysconfig, Some(dp.ioconfig), dp.porta);
+    let mut led0 = porta.pa10.into_readable_push_pull_output();
+    let mut led1 = porta.pa7.into_readable_push_pull_output();
+    let mut led2 = porta.pa6.into_readable_push_pull_output();
+    let mut ticker = Ticker::every(Duration::from_secs(1));
+    loop {
+        ticker.next().await;
+        rprintln!("Current time: {}", Instant::now().as_secs());
+        led0.toggle().ok();
+        led1.toggle().ok();
+        led2.toggle().ok();
+    }
+}