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
#![cfg_attr(not(test), no_std, no_main)]
#![cfg_attr(test, allow(unused))]
#[cfg(test)]
#[macro_use]
extern crate std;
#[cfg(test)]
use std::prelude::*;
use core::fmt::Write;
use heapless::String;
use log::*;
mod bindings;
use bindings::*;
#[cfg(not(test))]
pub mod fatal;
pub static LOGZ_LOGGER: ZLog = ZLog;
pub struct ZLog;
fn logz_init(lvl: LevelFilter) {
log::set_logger(&LOGZ_LOGGER).unwrap();
log::set_max_level(lvl);
log::info!("Initialized logz")
}
#[no_mangle]
pub extern "C" fn logz_init_error() {
logz_init(LevelFilter::Error);
}
#[no_mangle]
pub extern "C" fn logz_init_warn() {
logz_init(LevelFilter::Warn);
}
#[no_mangle]
pub extern "C" fn logz_init_info() {
logz_init(LevelFilter::Info);
}
#[no_mangle]
pub extern "C" fn logz_init_trace() {
logz_init(LevelFilter::Trace);
}
impl Log for ZLog {
#[inline(always)]
fn enabled(&self, _metadata: &Metadata) -> bool {
true
}
#[inline(always)]
fn log(&self, record: &Record) {
let log_impl = match record.level() {
Level::Error => log_err,
Level::Warn => log_wrn,
Level::Info => log_inf,
_ => log_dbg,
};
let mut c_str = String::<256>::new();
write!(c_str, "{}: {}\0", record.target(), record.args()).unwrap();
unsafe {
log_impl(c_str.as_bytes().as_ptr() as *const u8 as *const cty::c_char);
}
}
#[inline(always)]
fn flush(&self) {}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
let result = 2 + 2;
assert_eq!(result, 4);
}
}