Adding Ch375 dll64 access on windows

.github/workflows/rust.yml

@@ -86,6 +86,10 @@ jobs:
         mkdir wchisp-${{ matrix.config.arch }}
         cp $WCHISP_EXE wchisp-${{ matrix.config.arch }}
         cp README.md wchisp-${{ matrix.config.arch }}
+
+        if [[ "${{ matrix.config.arch }}" == "win-x64" ]]; then
+          cp src/CH375DLL64.dll wchisp-${{ matrix.config.arch }}
+        fi
       shell: bash
     - uses: actions/upload-artifact@v4
       with:

Cargo.toml

@@ -39,3 +39,4 @@ object = { version = "0.36.0", default-features = false, features = [
 ] }
 indicatif = "0.17"
 serialport = { version = "4.5", default-features = false }
+libloading = "0.8.1"

src/main.rs

@@ -39,6 +39,10 @@ struct Cli {
     #[arg(long, short, ignore_case = true, value_enum, requires = "serial")]
     baudrate: Option<Baudrate>,
 
+    /// Retry scan for certain seconds, helpful on slow USB devices
+    #[arg(long, short, default_value = "0")]
+    retry: u32,
+
     #[command(subcommand)]
     command: Option<Commands>,
 }
@@ -141,6 +145,25 @@ fn main() -> Result<()> {
         );
     }
 
+    if cli.retry > 0 {
+        log::info!("Retrying scan for {} seconds", cli.retry);
+        let start_time = std::time::Instant::now();
+        while start_time.elapsed().as_secs() < cli.retry as u64 {
+            if cli.usb {
+                let ndevices = UsbTransport::scan_devices()?;
+                if ndevices > 0 {
+                    break;
+                }
+            } else if cli.serial {
+                let ports = SerialTransport::scan_ports()?;
+                if !ports.is_empty() {
+                    break;
+                }
+            }
+            sleep(Duration::from_millis(100));
+        }
+    }
+
     match &cli.command {
         None | Some(Commands::Probe {}) => {
             if cli.usb {