open_first_device/
open_first_device.rs1#[cfg(all(feature = "linux-static-rusb", not(target_os = "macos")))]
11extern crate rusb;
12
13extern crate hidapi_rusb;
14
15use hidapi_rusb::{HidApi, HidError};
16
17fn main() {
18 fn run() -> Result<(), HidError> {
19 let hidapi = HidApi::new()?;
20
21 let device_info = hidapi
22 .device_list()
23 .next()
24 .expect("No devices are available!")
25 .clone();
26
27 println!(
28 "Opening device:\n VID: {:04x}, PID: {:04x}\n",
29 device_info.vendor_id(),
30 device_info.product_id()
31 );
32
33 let device = device_info.open_device(&hidapi)?;
34
35 let mut buf = vec![0; 64];
36
37 println!("Reading data from device ...\n");
38
39 loop {
40 let len = device.read(&mut buf)?;
41 println!("{:?}", &buf[..len]);
42 }
43 }
44
45 if let Err(e) = run() {
46 eprintln!("Error: {}", e);
47 }
48}