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feat(card_reader): adds timeout between reads for smoother transition

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itsscb 2024-10-28 22:55:50 +01:00
parent cf4c4c7a65
commit 90fd1a00ab
1 changed files with 5 additions and 0 deletions
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5
src/card_reader.rs
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@ -49,11 +49,16 @@ pub fn read(vid: u16, pid: u16, tx: &Sender<Arc<str>>) -> Result<(), Error> {
handle.claim_interface(0)?; handle.claim_interface(0)?;
let mut buf = [0; 128]; let mut buf = [0; 128];
let mut last_scan = std::time::Instant::now();
loop { loop {
match handle.read_interrupt(0x81, &mut buf, Duration::from_secs(1)) { match handle.read_interrupt(0x81, &mut buf, Duration::from_secs(1)) {
Ok(_) => { Ok(_) => {
if let Some(card_id) = extract_card_id(&buf) { if let Some(card_id) = extract_card_id(&buf) {
if last_scan.elapsed() < Duration::from_secs(2) {
continue;
}
tx.send(Arc::from(card_id)).map_err(Error::Send)?; tx.send(Arc::from(card_id)).map_err(Error::Send)?;
last_scan = std::time::Instant::now();
} }
} }
Err(rusb::Error::Timeout) => (), Err(rusb::Error::Timeout) => (),