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# Xous API: Log

API calls to access the Xous logging service. Provides glue between the \\`log\\` crate, the Xous kernel and the hardware.

Every process that relies on the logging service should call \\`xous_api_log::init_wait()\\` before using any \\`log\\` calls.

Below is a minimal example of how to use the logging service.

\\`\\`\\`rust

fn main() -> ! {

xous_api_log::init_wait().unwrap();

log::set_max_level(log::LevelFilter::Info);

log::info!("my PID is {}", xous::process::id());

let timeout = std::time::Duration::from_millis(1000);

let mut count = 0;

loop {

log::info!("test loop {}", count);

count += 1;

std::thread::sleep(timeout);

}

}

\\`\\`\\`