POC Rust reading card with disconnect

POC_in_rust/Cargo.toml

@@ -4,4 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+env_logger = "0.11.8"
+futures-lite = "2.6.0"
 nusb = "0.1.13"

POC_in_rust/src/main.rs

@@ -1,11 +1,38 @@
-use nusb;
+use futures_lite::future::block_on;
+use nusb::{transfer::{ RequestBuffer, TransferError }, Interface};
+use std::{thread, time};
 
 static USB_VENDOR: u16  = 0xffff;
 static USB_PRODUCT: u16 = 0x0035;
 
-fn main() {
+fn get_interface() -> Option<Interface> {
-    let dev = nusb::list_devices().unwrap().find(|dev| dev.vendor_id() == USB_VENDOR && dev.product_id() == USB_PRODUCT).expect("Device not connected!");
+    let dev = nusb::list_devices().ok()?.find(|dev| dev.vendor_id() == USB_VENDOR && dev.product_id() == USB_PRODUCT)?;
-    let device = dev.open().expect("failed to open device");
+    let device = dev.open().ok()?;
-    let interface = device.claim_interface(0).expect("failed to claim interface");
+    device.detach_and_claim_interface(0).ok()
-    println!("Success")
 }
+
+fn main() {
+    env_logger::init();
+    let mut interface = get_interface().unwrap();
+    loop {
+        let buf = RequestBuffer::new(8);
+        let data = block_on(interface.interrupt_in(
+            0x81, buf
+        ));
+        match data.status {
+            Err(TransferError::Disconnected) => {
+                interface = (||{loop{
+                    if let Some(intfc) = get_interface(){
+                        return intfc;
+                    }
+                    let ten_milis = time::Duration::from_millis(10);
+                    thread::sleep(ten_milis);
+                }})()
+            }
+            Ok(()) => {
+                println!("{:?}", data.data);
+            }
+            _ => todo!()
+        }
+    }
+}