Add RTIC example.

This commit is contained in:
Dario Nieuwenhuis 2023-06-08 16:40:02 +02:00
parent 5c2f02c735
commit f498c689e7
6 changed files with 116 additions and 0 deletions

1
ci.sh
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@ -104,6 +104,7 @@ cargo batch \
--- build --release --manifest-path docs/modules/ROOT/examples/layer-by-layer/blinky-irq/Cargo.toml --target thumbv7em-none-eabi \
--- build --release --manifest-path docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml --target thumbv7em-none-eabi \
--- build --release --manifest-path examples/nrf52840/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/nrf52840 \
--- build --release --manifest-path examples/nrf52840-rtic/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/nrf52840-rtic \
--- build --release --manifest-path examples/nrf5340/Cargo.toml --target thumbv8m.main-none-eabihf --out-dir out/examples/nrf5340 \
--- build --release --manifest-path examples/rp/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/rp \
--- build --release --manifest-path examples/stm32f0/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/stm32f0 \

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@ -0,0 +1,9 @@
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
# replace nRF82840_xxAA with your chip as listed in `probe-rs-cli chip list`
runner = "probe-rs-cli run --chip nRF52840_xxAA"
[build]
target = "thumbv7em-none-eabi"
[env]
DEFMT_LOG = "trace"

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@ -0,0 +1,21 @@
[package]
edition = "2021"
name = "embassy-nrf52840-rtic-examples"
version = "0.1.0"
license = "MIT OR Apache-2.0"
[dependencies]
rtic = { version = "2", features = ["thumbv7-backend"] }
embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "generic-queue"] }
embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["nightly", "unstable-traits", "defmt", "nrf52840", "time-driver-rtc1", "gpiote", "unstable-pac", "time"] }
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"
panic-probe = { version = "0.3", features = ["print-defmt"] }
futures = { version = "0.3.17", default-features = false, features = ["async-await"] }

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@ -0,0 +1,35 @@
//! This build script copies the `memory.x` file from the crate root into
//! a directory where the linker can always find it at build time.
//! For many projects this is optional, as the linker always searches the
//! project root directory -- wherever `Cargo.toml` is. However, if you
//! are using a workspace or have a more complicated build setup, this
//! build script becomes required. Additionally, by requesting that
//! Cargo re-run the build script whenever `memory.x` is changed,
//! updating `memory.x` ensures a rebuild of the application with the
//! new memory settings.
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;
fn main() {
// Put `memory.x` in our output directory and ensure it's
// on the linker search path.
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
File::create(out.join("memory.x"))
.unwrap()
.write_all(include_bytes!("memory.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out.display());
// By default, Cargo will re-run a build script whenever
// any file in the project changes. By specifying `memory.x`
// here, we ensure the build script is only re-run when
// `memory.x` is changed.
println!("cargo:rerun-if-changed=memory.x");
println!("cargo:rustc-link-arg-bins=--nmagic");
println!("cargo:rustc-link-arg-bins=-Tlink.x");
println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
}

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@ -0,0 +1,7 @@
MEMORY
{
/* NOTE 1 K = 1 KiBi = 1024 bytes */
/* These values correspond to the NRF52840 with Softdevices S140 7.0.1 */
FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
RAM : ORIGIN = 0x20000000, LENGTH = 256K
}

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@ -0,0 +1,43 @@
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use {defmt_rtt as _, panic_probe as _};
#[rtic::app(device = embassy_nrf, peripherals = false, dispatchers = [SWI0_EGU0, SWI1_EGU1])]
mod app {
use defmt::info;
use embassy_nrf::gpio::{Level, Output, OutputDrive};
use embassy_nrf::peripherals;
use embassy_time::{Duration, Timer};
#[shared]
struct Shared {}
#[local]
struct Local {}
#[init]
fn init(_: init::Context) -> (Shared, Local) {
info!("Hello World!");
let p = embassy_nrf::init(Default::default());
blink::spawn(p.P0_13).map_err(|_| ()).unwrap();
(Shared {}, Local {})
}
#[task(priority = 1)]
async fn blink(_cx: blink::Context, pin: peripherals::P0_13) {
let mut led = Output::new(pin, Level::Low, OutputDrive::Standard);
loop {
info!("off!");
led.set_high();
Timer::after(Duration::from_millis(300)).await;
info!("on!");
led.set_low();
Timer::after(Duration::from_millis(300)).await;
}
}
}