device-kit 0.0.1-alpha

Experimental composable, async device abstractions for Raspberry Pi Pico using Embassy (use from GitHub for latest features)
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use std::{env, fs, path::PathBuf};

fn main() {
    // 1) Handle memory.x based on target
    let target = env::var("TARGET").unwrap();
    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());

    if target.starts_with("thumbv8m") {
        // Pico 2 ARM: copy our custom memory-pico2.x to OUT_DIR as memory.x
        let memory_x = fs::read_to_string("memory-pico2.x").expect("Failed to read memory-pico2.x");
        let dest = out_dir.join("memory.x");
        fs::write(&dest, memory_x).expect("Failed to write memory.x");
        println!("cargo:rustc-link-search={}", out_dir.display());
        println!("cargo:rerun-if-changed=memory-pico2.x");
    } else if target.starts_with("riscv32imac") {
        // Pico 2 RISC-V: copy our custom memory-pico2-riscv.x to OUT_DIR as memory.x
        let memory_x = fs::read_to_string("memory-pico2-riscv.x")
            .expect("Failed to read memory-pico2-riscv.x");
        let dest = out_dir.join("memory.x");
        fs::write(&dest, memory_x).expect("Failed to write memory.x");
        println!("cargo:rustc-link-search={}", out_dir.display());
        println!("cargo:rerun-if-changed=memory-pico2-riscv.x");
    } else if target.starts_with("thumbv6m") {
        // Pico 1W: copy our custom memory-pico1w.x to OUT_DIR as memory.x
        let memory_x =
            fs::read_to_string("memory-pico1w.x").expect("Failed to read memory-pico1w.x");
        let dest = out_dir.join("memory.x");
        fs::write(&dest, memory_x).expect("Failed to write memory.x");
        println!("cargo:rustc-link-search={}", out_dir.display());
        println!("cargo:rerun-if-changed=memory-pico1w.x");
    }
}