diff --git a/src/main.rs b/src/main.rs
index 220d443..8ccda34 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,6 @@
 use std::{
-    sync::{
-        Arc, Mutex,
-        mpsc::{self, Receiver, Sender},
-    },
-    thread::{self, Thread},
+    sync::mpsc::{self, Receiver, Sender},
+    thread::{self},
     time::Duration,
 };
 
@@ -11,6 +8,7 @@ use anyhow::{Result, anyhow};
 use macroquad::{
     color::*,
     miniquad::{error, info},
+    window::set_fullscreen,
 };
 use midly::Smf;
 use serialport::SerialPortType;
@@ -24,7 +22,7 @@ pub enum Instruction {
 }
 
 pub struct SerialDevice {
-    port: Box<dyn serialport::SerialPort>,
+    pub port: Box<dyn serialport::SerialPort>,
 }
 
 const CHANNEL_COUNT: u8 = 4;
@@ -165,29 +163,48 @@ pub enum SerialCommand {
     Stop,
 }
 
+pub enum SerialStatus {
+    SerialConnected { name: String },
+    SerialDisconnected,
+}
+
 struct App {
     song_state: Option<AppSongState>,
     tx: Sender<SerialCommand>,
+    rx: Receiver<SerialStatus>,
+    connected: Option<String>,
 }
 
 impl App {
     pub fn new() -> Self {
-        let (tx, rx) = mpsc::channel();
-        Self::spawn_serial_worker(rx);
+        let (tx_cmd, rx_cmd) = mpsc::channel();
+        let (tx_status, rx_status) = mpsc::channel();
+        Self::spawn_serial_worker(rx_cmd, tx_status);
         Self {
             song_state: None,
-            tx,
+            tx: tx_cmd,
+            rx: rx_status,
+            connected: None,
         }
     }
 
-    fn spawn_serial_worker(rx: Receiver<SerialCommand>) {
+    fn spawn_serial_worker(rx: Receiver<SerialCommand>, tx: Sender<SerialStatus>) {
         thread::spawn(move || {
+            let _ = tx.send(SerialStatus::SerialDisconnected);
             let mut device: Option<SerialDevice> = None;
             loop {
                 if device.is_none() {
                     match SerialDevice::new() {
                         Ok(new_device) => {
                             info!("Serial device connected");
+                            let _ = tx.send(SerialStatus::SerialConnected {
+                                name: device
+                                    .as_ref()
+                                    .unwrap()
+                                    .port
+                                    .name()
+                                    .unwrap_or("<unknown serial port>".to_string()),
+                            });
                             device = Some(new_device);
                         }
                         Err(_err) => {
@@ -205,12 +222,14 @@ impl App {
                                     if let Err(e) = dev.execute(ch, instr) {
                                         error!("Disconnected: {e}");
                                         device = None;
+                                        let _ = tx.send(SerialStatus::SerialDisconnected);
                                     }
                                 }
                                 SerialCommand::Stop => {
                                     if let Err(e) = dev.stop() {
                                         error!("Disconnected: {e}");
                                         device = None;
+                                        let _ = tx.send(SerialStatus::SerialDisconnected);
                                     }
                                 }
                             }
@@ -223,13 +242,21 @@ impl App {
         });
     }
 
-    pub async fn run(&self) {
+    pub async fn run(&mut self) {
         loop {
             self.update().await;
         }
     }
 
-    async fn update(&self) {
+    async fn update(&mut self) {
+        match self.rx.recv_timeout(Duration::from_millis(100)) {
+            Ok(status) => match status {
+                SerialStatus::SerialDisconnected => self.connected = None,
+                SerialStatus::SerialConnected { name } => self.connected = Some(name),
+            },
+            _ => {}
+        }
+
         macroquad::window::clear_background(WHITE);
 
         macroquad::shapes::draw_line(40.0, 40.0, 100.0, 200.0, 15.0, BLUE);
@@ -241,7 +268,16 @@ impl App {
             GREEN,
         );
 
-        macroquad::text::draw_text("Hello, Macroquad!", 20.0, 20.0, 30.0, DARKGRAY);
+        macroquad::text::draw_text(
+            match &self.connected {
+                Some(name) => &name,
+                None => "Serial disconnected",
+            },
+            20.0,
+            20.0,
+            30.0,
+            DARKGRAY,
+        );
 
         macroquad::window::next_frame().await
     }
@@ -249,6 +285,7 @@ impl App {
 
 #[macroquad::main("singer")]
 async fn main() {
-    let app = App::new();
+    set_fullscreen(true);
+    let mut app = App::new();
     app.run().await;
 }