example.rs

extern crate bluetooth_serial_port;
extern crate mio;
use bluetooth_serial_port::{BtProtocol, BtSocket};
use std::io::{Read, Write};
use mio::{Poll, PollOpt, Token, Ready};

fn main() {
    // scan for devices
    let devices = bluetooth_serial_port::scan_devices().unwrap();
    if devices.len() == 0 { panic!("No devices found"); }

    // "device.addr" is the MAC address of the device
    let device = &devices[0];
    println!("Connecting to `{}` ({})", device.name, device.addr.to_string());

    // create and connect the RFCOMM socket
    let mut socket = BtSocket::new(BtProtocol::RFCOMM).unwrap();
    socket.connect(device.addr).unwrap();

    // BtSocket implements the `Read` and `Write` traits (they're blocking)
    let mut buffer = [0; 10];
    let num_bytes_read = socket.read(&mut buffer[..]).unwrap();
    let num_bytes_written = socket.write(&buffer[0..num_bytes_read]).unwrap();
    println!("Read `{}` bytes, wrote `{}` bytes", num_bytes_read, num_bytes_written);

    // BtSocket also implements `mio::Evented` for async IO
    let poll = Poll::new().unwrap();
    poll.register(&socket, Token(0), Ready::readable() | Ready::writable(), PollOpt::edge() | PollOpt::oneshot()).unwrap();
    // loop { ... poll events and wait for socket to be readable/writable ... }
}