Create trivial serial port opener to handle waiting for a port

bestool/src/serial_port_opener.rs

@@ -0,0 +1,26 @@
+use std::time::Duration;
+
+use serialport::SerialPort;
+use tracing::info;
+
+pub fn open_serial_port_with_wait(
+    port_path: &str,
+    baud_rate: u32,
+    wait_for_port: bool,
+) -> Box<dyn SerialPort> {
+    // If wait for port is true, we handle it not being openable by retrying while waiting for it
+    info!("Opening {port_path} @ {baud_rate}");
+    loop {
+        let serial_port = serialport::new(port_path, baud_rate);
+        match serial_port.open() {
+            Ok(port) => return port,
+            Err(_) => {
+                //Port didnt open
+                if !wait_for_port {
+                    panic!("Unable to open requested Serial Port");
+                }
+            }
+        }
+        std::thread::sleep(Duration::from_millis(250));
+    }
+}