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extern crate serial_unix;
extern crate libc;
use std::io;
use std::path::Path;
use std::io::prelude::*;
use std::os::unix::prelude::*;
fn main() {
let mut port = serial_unix::TTYPort::open(Path::new("/dev/ttyUSB0")).unwrap();
let mut fds = vec![libc::pollfd {
fd: port.as_raw_fd(),
events: libc::POLLIN,
revents: 0,
}];
loop {
let retval = unsafe { libc::poll(fds.as_mut_ptr(), fds.len() as libc::nfds_t, 100) };
if retval < 0 {
panic!("{:?}", io::Error::last_os_error());
}
if retval > 0 && fds[0].revents & libc::POLLIN != 0 {
let mut buffer = Vec::<u8>::new();
port.read_to_end(&mut buffer).unwrap();
println!("{:?}", buffer);
}
}
}
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