systick-timer 0.1.1

64-bit SysTick timer for Cortex-M0
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use std::env;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;

fn main() {
    let target = env::var("TARGET").unwrap_or("none".to_string());
    if !target.contains("thumb") {
        return;
    }

    // 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());

    // Set the linker script to the one provided by cortex-m-rt.
    println!("cargo:rustc-link-arg=-Tlink.x");
}