[MCXA] Add HIL tests

tests/mcxa/.cargo/config.toml

@@ -0,0 +1,8 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+runner = "teleprobe local run --chip MCXA276 --protocol swd --elf"
+
+[build]
+target = "thumbv8m.main-none-eabihf" # Cortex-M33
+
+[env]
+DEFMT_LOG = "trace"

tests/mcxa/Cargo.toml

@@ -0,0 +1,62 @@
+[package]
+name = "embassy-mcxa-examples"
+version = "0.1.0"
+edition = "2024"
+license = "MIT OR Apache-2.0"
+publish = false
+
+[dependencies]
+teleprobe-meta = "1.1"
+
+cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
+cortex-m-rt = { version = "0.7", features = ["set-sp", "set-vtor"] }
+crc = "3.4.0"
+critical-section = "1.2.0"
+defmt = "1.0"
+defmt-rtt = "1.0"
+
+embassy-embedded-hal = { version = "0.5.0", path = "../../embassy-embedded-hal" }
+embassy-executor = { version = "0.9.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-interrupt", "executor-thread"], default-features = false }
+embassy-mcxa = { version = "0.1.0", path = "../../embassy-mcxa", features = ["defmt", "unstable-pac"] }
+embassy-sync = { version = "0.7.2", path = "../../embassy-sync" }
+embassy-time = { version = "0.5.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-time-driver = { version = "0.2.1", path = "../../embassy-time-driver", optional = true }
+
+embedded-io-async = "0.7.0"
+panic-probe = { version = "1.0", features = ["print-defmt"] }
+static_cell = "2.1.1"
+
+[profile.dev]
+debug = 2
+debug-assertions = true
+opt-level = 's'
+overflow-checks = true
+
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false
+incremental = false
+lto = "fat"
+opt-level = 's'
+overflow-checks = false
+
+# do not optimize proc-macro crates = faster builds from scratch
+[profile.dev.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+[profile.release.build-override]
+codegen-units = 8
+debug = false
+debug-assertions = false
+opt-level = 0
+overflow-checks = false
+
+[package.metadata.embassy]
+build = [
+  { target = "thumbv8m.main-none-eabihf", artifact-dir = "out/tests/frdm-mcx-a266" }
+]

tests/mcxa/build.rs

@@ -0,0 +1,20 @@
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+fn main() {
+    let out = PathBuf::from(env::var("OUT_DIR").unwrap());
+
+    let memory_x = include_bytes!("memory.x");
+    fs::write(out.join("memory.x"), memory_x).unwrap();
+
+    // copy main linker script.
+    fs::write(out.join("link_ram.x"), include_bytes!("../link_ram_cortex_m.x")).unwrap();
+    println!("cargo:rustc-link-search={}", out.display());
+    println!("cargo:rerun-if-changed=link_ram.x");
+
+    println!("cargo:rustc-link-arg-bins=--nmagic");
+    println!("cargo:rustc-link-arg-bins=-Tlink_ram.x");
+    println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    println!("cargo:rustc-link-arg-bins=-Tteleprobe.x");
+}

tests/mcxa/memory.x

@@ -0,0 +1,5 @@
+MEMORY
+{
+    FLASH : ORIGIN = 0x00000000, LENGTH = 1M
+    RAM   : ORIGIN = 0x20000000, LENGTH = 128K
+}

tests/mcxa/src/bin/adc.rs

@@ -0,0 +1,76 @@
+#![no_std]
+#![no_main]
+
+teleprobe_meta::target!(b"frdm-mcx-a266");
+
+use embassy_executor::Spawner;
+use embassy_mcxa::bind_interrupts;
+use embassy_mcxa::gpio::Output;
+use hal::adc::{self, Adc, TriggerPriorityPolicy};
+use hal::clocks::PoweredClock;
+use hal::clocks::config::Div8;
+use hal::clocks::periph_helpers::{AdcClockSel, Div4};
+use hal::config::Config;
+use hal::pac::adc1::cfg::{Pwrsel, Refsel};
+use hal::pac::adc1::cmdl1::Mode;
+use hal::pac::adc1::ctrl::CalAvgs;
+use hal::peripherals::ADC0;
+use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    ADC0 => adc::InterruptHandler<ADC0>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    config.clock_cfg.sirc.fro_lf_div = Div8::from_divisor(1);
+
+    let p = hal::init(config);
+
+    let mut output = Output::new(
+        p.P1_8,
+        embassy_mcxa::gpio::Level::Low,
+        embassy_mcxa::gpio::DriveStrength::Normal,
+        embassy_mcxa::gpio::SlewRate::Slow,
+    );
+
+    let adc_config = adc::Config {
+        enable_in_doze_mode: true,
+        conversion_average_mode: CalAvgs::Average128,
+        enable_analog_preliminary: true,
+        power_up_delay: 0x80,
+        reference_voltage_source: Refsel::Option3,
+        power_level_mode: Pwrsel::Lowest,
+        trigger_priority_policy: TriggerPriorityPolicy::ConvPreemptImmediatelyNotAutoResumed,
+        enable_conv_pause: false,
+        conv_pause_delay: 0,
+        power: PoweredClock::NormalEnabledDeepSleepDisabled,
+        source: AdcClockSel::FroLfDiv,
+        div: Div4::no_div(),
+    };
+    let mut adc = Adc::new_async(p.ADC0, p.P2_4, Irqs, adc_config).unwrap();
+
+    adc.do_offset_calibration();
+    adc.do_auto_calibration();
+    adc.set_resolution(Mode::Data16Bits);
+
+    // Set output low. ADC should measure (close to) GND
+
+    output.set_low();
+    embassy_time::Timer::after_millis(10).await;
+
+    let val = adc.read().await.unwrap();
+    assert!(val < 0x1000);
+
+    // Set output high, so ADC should measure (close to) VDD
+
+    output.set_high();
+    embassy_time::Timer::after_millis(10).await;
+
+    let val = adc.read().await.unwrap();
+    assert!(val > 0xE000);
+
+    defmt::info!("Test OK");
+    cortex_m::asm::bkpt();
+}

tests/mcxa/src/bin/crc.rs

@@ -0,0 +1,157 @@
+#![no_std]
+#![no_main]
+
+teleprobe_meta::target!(b"frdm-mcx-a266");
+
+use embassy_executor::Spawner;
+use hal::config::Config;
+use hal::crc::Crc;
+use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
+
+const CCITT_FALSE: crc::Algorithm<u16> = crc::Algorithm {
+    width: 16,
+    poly: 0x1021,
+    init: 0xffff,
+    refin: false,
+    refout: false,
+    xorout: 0,
+    check: 0x29b1,
+    residue: 0x0000,
+};
+
+const POSIX: crc::Algorithm<u32> = crc::Algorithm {
+    width: 32,
+    poly: 0x04c1_1db7,
+    init: 0,
+    refin: false,
+    refout: false,
+    xorout: 0xffff_ffff,
+    check: 0x765e_7680,
+    residue: 0x0000,
+};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let config = Config::default();
+    let mut p = hal::init(config);
+
+    defmt::info!("CRC example");
+
+    let buf_u8 = [0x00u8, 0x11, 0x22, 0x33];
+    let buf_u16 = [0x0000u16, 0x1111, 0x2222, 0x3333];
+    let buf_u32 = [0x0000_0000u32, 0x1111_1111, 0x2222_2222, 0x3333_3333];
+
+    // CCITT False
+
+    let sw_crc = crc::Crc::<u16>::new(&CCITT_FALSE);
+    let mut digest = sw_crc.digest();
+    digest.update(&buf_u8);
+    let sw_sum = digest.finalize();
+
+    let mut crc = Crc::new_ccitt_false(p.CRC0.reborrow());
+    crc.feed(&buf_u8);
+    let sum = crc.finalize();
+    assert_eq!(sum, sw_sum);
+
+    let mut crc = Crc::new_ccitt_false(p.CRC0.reborrow());
+    crc.feed(&buf_u16);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0xa467);
+
+    let mut crc = Crc::new_ccitt_false(p.CRC0.reborrow());
+    crc.feed(&buf_u32);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0xe5c7);
+
+    // Maxim
+
+    let sw_crc = crc::Crc::<u16>::new(&crc::CRC_16_MAXIM_DOW);
+    let mut digest = sw_crc.digest();
+    digest.update(&buf_u8);
+    let sw_sum = digest.finalize();
+
+    let mut crc = Crc::new_maxim(p.CRC0.reborrow());
+    crc.feed(&buf_u8);
+    let sum = crc.finalize();
+    assert_eq!(sum, sw_sum);
+
+    let mut crc = Crc::new_maxim(p.CRC0.reborrow());
+    crc.feed(&buf_u16);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x2afe);
+
+    let mut crc = Crc::new_maxim(p.CRC0.reborrow());
+    crc.feed(&buf_u32);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x17d7);
+
+    // Kermit
+
+    let sw_crc = crc::Crc::<u16>::new(&crc::CRC_16_KERMIT);
+    let mut digest = sw_crc.digest();
+    digest.update(&buf_u8);
+    let sw_sum = digest.finalize();
+
+    let mut crc = Crc::new_kermit(p.CRC0.reborrow());
+    crc.feed(&buf_u8);
+    let sum = crc.finalize();
+    assert_eq!(sum, sw_sum);
+
+    let mut crc = Crc::new_kermit(p.CRC0.reborrow());
+    crc.feed(&buf_u16);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x66eb);
+
+    let mut crc = Crc::new_kermit(p.CRC0.reborrow());
+    crc.feed(&buf_u32);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x75ea);
+
+    // ISO HDLC
+
+    let sw_crc = crc::Crc::<u32>::new(&crc::CRC_32_ISO_HDLC);
+    let mut digest = sw_crc.digest();
+    digest.update(&buf_u8);
+    let sw_sum = digest.finalize();
+
+    let mut crc = Crc::new_iso_hdlc(p.CRC0.reborrow());
+    crc.feed(&buf_u8);
+    let sum = crc.finalize();
+    assert_eq!(sum, sw_sum);
+
+    let mut crc = Crc::new_iso_hdlc(p.CRC0.reborrow());
+    crc.feed(&buf_u16);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x8a61_4178);
+
+    let mut crc = Crc::new_iso_hdlc(p.CRC0.reborrow());
+    crc.feed(&buf_u32);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0xfab5_d04e);
+
+    // POSIX
+
+    let sw_crc = crc::Crc::<u32>::new(&POSIX);
+    let mut digest = sw_crc.digest();
+    digest.update(&buf_u8);
+    let sw_sum = digest.finalize();
+
+    let mut crc = Crc::new_posix(p.CRC0.reborrow());
+    crc.feed(&buf_u8);
+    let sum = crc.finalize();
+
+    assert_eq!(sum, sw_sum);
+
+    let mut crc = Crc::new_posix(p.CRC0.reborrow());
+    crc.feed(&buf_u16);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x6d76_4f58);
+
+    let mut crc = Crc::new_posix(p.CRC0.reborrow());
+    crc.feed(&buf_u32);
+    let sum = crc.finalize();
+    assert_eq!(sum, 0x2a5b_cb90);
+
+    defmt::info!("Test OK");
+    cortex_m::asm::bkpt();
+}