svd2rust 0.12.0

Generate Rust register maps (`struct`s) from SVD files
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115

#![recursion_limit = "128"]

extern crate cast;
extern crate clap;
#[macro_use]
extern crate error_chain;
extern crate inflections;
#[macro_use]
extern crate quote;
extern crate svd_parser as svd;
extern crate syn;

mod errors;
mod generate;
mod util;

use std::fs::File;
use std::{io, process};

use clap::{App, Arg};

use errors::*;

#[derive(Clone, Copy, PartialEq)]
pub enum Target {
    CortexM,
    Msp430,
    None,
}

impl Target {
    fn parse(s: &str) -> Result<Self> {
        Ok(match s {
            "cortex-m" => Target::CortexM,
            "msp430" => Target::Msp430,
            "none" => Target::None,
            _ => bail!("unknown target {}", s),
        })
    }
}

fn run() -> Result<()> {
    use std::io::Read;

    let matches = App::new("svd2rust")
        .about("Generate a Rust API from SVD files")
        .arg(
            Arg::with_name("input")
                .help("Input SVD file")
                .required(true)
                .short("i")
                .takes_value(true)
                .value_name("FILE"),
        )
        .arg(
            Arg::with_name("target")
                .long("target")
                .help("Target architecture")
                .takes_value(true)
                .value_name("ARCH"),
        )
        .version(concat!(
            env!("CARGO_PKG_VERSION"),
            include_str!(concat!(env!("OUT_DIR"), "/commit-info.txt"))
        ))
        .get_matches();

    let target = matches
        .value_of("target")
        .map(|s| Target::parse(s))
        .unwrap_or(Ok(Target::CortexM))?;

    let xml = &mut String::new();
    File::open(matches.value_of("input").unwrap())
        .chain_err(|| "couldn't open the SVD file")?
        .read_to_string(xml)
        .chain_err(|| "couldn't read the SVD file")?;

    let device = svd::parse(xml);

    let mut items = vec![];
    generate::device(&device, &target, &mut items)?;

    println!(
        "{}",
        quote! {
            #(#items)*
        }
    );

    Ok(())
}

fn main() {
    use std::io::Write;

    if let Err(ref e) = run() {
        let stderr = io::stderr();
        let mut stderr = stderr.lock();

        writeln!(stderr, "error: {}", e).ok();

        for e in e.iter().skip(1) {
            writeln!(stderr, "caused by: {}", e).ok();
        }

        if let Some(backtrace) = e.backtrace() {
            writeln!(stderr, "backtrace: {:?}", backtrace).ok();
        } else {
            writeln!(stderr, "note: run with `RUST_BACKTRACE=1` for a backtrace").ok();
        }

        process::exit(1);
    }
}