chaos/NTP-Timeturner
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fix: Dynamically find serial port instead of hardcoding path

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Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
This commit is contained in:
Chris Frankland-Wright 2025-08-03 15:53:26 +01:00
parent 3ffb54e9aa
commit 65dd107514
1 changed files with 28 additions and 3 deletions
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31
src/main.rs
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@ -15,6 +15,7 @@ use crate::sync_logic::LtcState;
use crate::ui::start_ui; use crate::ui::start_ui;
use clap::Parser; use clap::Parser;
use daemonize::Daemonize; use daemonize::Daemonize;
use serialport;
use std::{ use std::{
fs, fs,
@ -70,6 +71,20 @@ fn ensure_config() {
} }
} }
fn find_serial_port() -> Option<String> {
if let Ok(ports) = serialport::available_ports() {
for p in ports {
if p.port_name.starts_with("/dev/ttyACM")
|| p.port_name.starts_with("/dev/ttyAMA")
|| p.port_name.starts_with("/dev/ttyUSB")
{
return Some(p.port_name);
}
}
}
None
}
#[tokio::main(flavor = "current_thread")] #[tokio::main(flavor = "current_thread")]
async fn main() { async fn main() {
// This must be called before any logging statements. // This must be called before any logging statements.
@ -110,13 +125,23 @@ async fn main() {
// 3️⃣ Shared state for UI and serial reader // 3️⃣ Shared state for UI and serial reader
let ltc_state = Arc::new(Mutex::new(LtcState::new())); let ltc_state = Arc::new(Mutex::new(LtcState::new()));
// 4️⃣ Spawn the serial reader thread // 4️⃣ Find serial port and spawn the serial reader thread
let serial_port_path = match find_serial_port() {
Some(port) => port,
None => {
log::error!("❌ No serial port found. Please connect the Teensy device.");
return;
}
};
log::info!("Found serial port: {}", serial_port_path);
{ {
let tx_clone = tx.clone(); let tx_clone = tx.clone();
let state_clone = ltc_state.clone(); let state_clone = ltc_state.clone();
let port_clone = serial_port_path.clone();
thread::spawn(move || { thread::spawn(move || {
start_serial_thread( start_serial_thread(
"/dev/ttyACM0", &port_clone,
115200, 115200,
tx_clone, tx_clone,
state_clone, state_clone,
@ -132,7 +157,7 @@ async fn main() {
log::info!("🖥️ UI thread launched"); log::info!("🖥️ UI thread launched");
let ui_state = ltc_state.clone(); let ui_state = ltc_state.clone();
let config_clone = config.clone(); let config_clone = config.clone();
let port = "/dev/ttyACM0".to_string(); let port = serial_port_path;
thread::spawn(move || { thread::spawn(move || {
start_ui(ui_state, port, config_clone); start_ui(ui_state, port, config_clone);
}); });