From e7e245eeb77974bf1f374f24cbf5c0bc41f745f1 Mon Sep 17 00:00:00 2001 From: George Cosma Date: Wed, 5 Jun 2024 13:54:00 +0300 Subject: feat: embassy-lpc55 hal with gpio and pint driver --- examples/lpc55s69/.cargo/config.toml | 8 +++++++ examples/lpc55s69/Cargo.toml | 22 +++++++++++++++++ examples/lpc55s69/build.rs | 35 ++++++++++++++++++++++++++++ examples/lpc55s69/memory.x | 28 ++++++++++++++++++++++ examples/lpc55s69/src/bin/blinky_nop.rs | 33 ++++++++++++++++++++++++++ examples/lpc55s69/src/bin/button_executor.rs | 25 ++++++++++++++++++++ 6 files changed, 151 insertions(+) create mode 100644 examples/lpc55s69/.cargo/config.toml create mode 100644 examples/lpc55s69/Cargo.toml create mode 100644 examples/lpc55s69/build.rs create mode 100644 examples/lpc55s69/memory.x create mode 100644 examples/lpc55s69/src/bin/blinky_nop.rs create mode 100644 examples/lpc55s69/src/bin/button_executor.rs (limited to 'examples') diff --git a/examples/lpc55s69/.cargo/config.toml b/examples/lpc55s69/.cargo/config.toml new file mode 100644 index 000000000..9556de72f --- /dev/null +++ b/examples/lpc55s69/.cargo/config.toml @@ -0,0 +1,8 @@ +[target.'cfg(all(target_arch = "arm", target_os = "none"))'] +runner = "probe-rs run --chip LPC55S69JBD100" + +[build] +target = "thumbv8m.main-none-eabihf" + +[env] +DEFMT_LOG = "debug" diff --git a/examples/lpc55s69/Cargo.toml b/examples/lpc55s69/Cargo.toml new file mode 100644 index 000000000..14ec2d47e --- /dev/null +++ b/examples/lpc55s69/Cargo.toml @@ -0,0 +1,22 @@ +[package] +edition = "2021" +name = "embassy-nxp-lpc55s69-examples" +version = "0.1.0" +license = "MIT OR Apache-2.0" + + +[dependencies] +embassy-nxp = { version = "0.1.0", path = "../../embassy-nxp", features = ["rt"] } +embassy-executor = { version = "0.6.0", path = "../../embassy-executor", features = ["task-arena-size-32768", "arch-cortex-m", "executor-thread", "executor-interrupt"] } +embassy-sync = { version = "0.6.0", path = "../../embassy-sync", features = ["defmt"] } +embassy-time = { version = "0.3.0", path = "../../embassy-time", features = ["defmt"] } +panic-halt = "0.2.0" +cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] } +cortex-m-rt = {version = "0.7.0"} +defmt = "0.3" +defmt-rtt = "0.4" +panic-probe = { version = "0.3.2", features = ["print-defmt"] } +panic-semihosting = "0.6.0" + +[profile.release] +debug = 2 diff --git a/examples/lpc55s69/build.rs b/examples/lpc55s69/build.rs new file mode 100644 index 000000000..30691aa97 --- /dev/null +++ b/examples/lpc55s69/build.rs @@ -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"); +} diff --git a/examples/lpc55s69/memory.x b/examples/lpc55s69/memory.x new file mode 100644 index 000000000..1483b2fad --- /dev/null +++ b/examples/lpc55s69/memory.x @@ -0,0 +1,28 @@ +/* File originally from lpc55-hal repo: https://github.com/lpc55/lpc55-hal/blob/main/memory.x */ +MEMORY +{ + FLASH : ORIGIN = 0x00000000, LENGTH = 512K + + /* for use with standard link.x */ + RAM : ORIGIN = 0x20000000, LENGTH = 256K + + /* would be used with proper link.x */ + /* needs changes to r0 (initialization code) */ + /* SRAM0 : ORIGIN = 0x20000000, LENGTH = 64K */ + /* SRAM1 : ORIGIN = 0x20010000, LENGTH = 64K */ + /* SRAM2 : ORIGIN = 0x20020000, LENGTH = 64K */ + /* SRAM3 : ORIGIN = 0x20030000, LENGTH = 64K */ + + /* CASPER SRAM regions */ + /* SRAMX0: ORIGIN = 0x1400_0000, LENGTH = 4K /1* to 0x1400_0FFF *1/ */ + /* SRAMX1: ORIGIN = 0x1400_4000, LENGTH = 4K /1* to 0x1400_4FFF *1/ */ + + /* USB1 SRAM regin */ + /* USB1_SRAM : ORIGIN = 0x40100000, LENGTH = 16K */ + + /* To define our own USB RAM section in one regular */ + /* RAM, probably easiest to shorten length of RAM */ + /* above, and use this freed RAM section */ + +} + diff --git a/examples/lpc55s69/src/bin/blinky_nop.rs b/examples/lpc55s69/src/bin/blinky_nop.rs new file mode 100644 index 000000000..58e2d9808 --- /dev/null +++ b/examples/lpc55s69/src/bin/blinky_nop.rs @@ -0,0 +1,33 @@ +//! This example has been made with the LPCXpresso55S69 board in mind, which has a built-in LED on PIO1_6. + +#![no_std] +#![no_main] + +use cortex_m::asm::nop; +use defmt::*; +use embassy_executor::Spawner; +use embassy_nxp::gpio::{Level, Output}; +use {defmt_rtt as _, panic_halt as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) { + let p = embassy_nxp::init(Default::default()); + + let mut led = Output::new(p.PIO1_6, Level::Low); + + loop { + info!("led off!"); + led.set_high(); + + for _ in 0..200_000 { + nop(); + } + + info!("led on!"); + led.set_low(); + + for _ in 0..200_000 { + nop(); + } + } +} diff --git a/examples/lpc55s69/src/bin/button_executor.rs b/examples/lpc55s69/src/bin/button_executor.rs new file mode 100644 index 000000000..836b1c9eb --- /dev/null +++ b/examples/lpc55s69/src/bin/button_executor.rs @@ -0,0 +1,25 @@ +//! This example has been made with the LPCXpresso55S69 board in mind, which has a built-in LED on +//! PIO1_6 and a button (labeled "user") on PIO1_9. + +#![no_std] +#![no_main] + +use defmt::*; +use embassy_executor::Spawner; +use embassy_nxp::gpio::{Input, Level, Output, Pull}; +use {defmt_rtt as _, panic_halt as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) -> ! { + let p = embassy_nxp::init(Default::default()); + + let mut led = Output::new(p.PIO1_6, Level::Low); + let mut button = Input::new(p.PIO1_9, Pull::Up); + + info!("Entered main loop"); + loop { + button.wait_for_rising_edge().await; + info!("Button pressed"); + led.toggle(); + } +} -- cgit