From 7b877727e14129e665620391f8786a2248f362a2 Mon Sep 17 00:00:00 2001
From: James Smith <jsmith@Jamess-MacBook-Pro.local>
Date: Fri, 2 Jan 2026 17:33:57 +0000
Subject: [PATCH] Add baud rate selector for GPS dongle (fixes 4800 baud
 devices)
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🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 templates/adsb_dashboard.html |  9 ++++++++-
 templates/index.html          | 25 +++++++++++++++++++++----
 2 files changed, 29 insertions(+), 5 deletions(-)

diff --git a/templates/adsb_dashboard.html b/templates/adsb_dashboard.html
index 4e7ffdc..31fcb61 100644
--- a/templates/adsb_dashboard.html
+++ b/templates/adsb_dashboard.html
@@ -765,6 +765,12 @@
                 <select class="gps-device-select" id="gpsDeviceSelect" style="font-size: 10px; max-width: 120px;">
                     <option value="">GPS Device...</option>
                 </select>
+                <select id="gpsBaudrateSelect" style="font-size: 10px; width: 65px;">
+                    <option value="4800">4800</option>
+                    <option value="9600" selected>9600</option>
+                    <option value="38400">38400</option>
+                    <option value="115200">115200</option>
+                </select>
                 <button class="gps-btn gps-connect-btn" onclick="startGpsDongle()">Connect</button>
                 <button class="gps-btn gps-disconnect-btn" onclick="stopGpsDongle()" style="display: none; background: rgba(255,0,0,0.2); border-color: #ff4444;">Stop</button>
             </div>
@@ -1516,6 +1522,7 @@
 
         async function startGpsDongle() {
             const devicePath = document.getElementById('gpsDeviceSelect').value;
+            const baudrate = parseInt(document.getElementById('gpsBaudrateSelect').value) || 9600;
             if (!devicePath) {
                 alert('Please select a GPS device');
                 return;
@@ -1525,7 +1532,7 @@
                 const response = await fetch('/gps/start', {
                     method: 'POST',
                     headers: { 'Content-Type': 'application/json' },
-                    body: JSON.stringify({ device: devicePath, baudrate: 9600 })
+                    body: JSON.stringify({ device: devicePath, baudrate: baudrate })
                 });
                 const data = await response.json();
 
diff --git a/templates/index.html b/templates/index.html
index 1640347..39c9538 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -3574,8 +3574,16 @@
                                     </select>
                                     <button class="preset-btn" onclick="refreshGpsDevices()" style="padding: 2px 6px; font-size: 10px;" title="Refresh">🔄</button>
                                 </div>
+                                <div style="display: flex; gap: 5px; margin-bottom: 5px;">
+                                    <select class="gps-baudrate-select" style="flex: 1; font-size: 11px;">
+                                        <option value="4800">4800</option>
+                                        <option value="9600" selected>9600</option>
+                                        <option value="38400">38400</option>
+                                        <option value="115200">115200</option>
+                                    </select>
+                                </div>
                                 <div style="display: flex; gap: 5px;">
-                                    <button class="preset-btn gps-connect-btn" onclick="startGpsDongle(this.closest('.gps-dongle-section').querySelector('.gps-device-select').value)" style="flex: 1; font-size: 10px; padding: 4px;">
+                                    <button class="preset-btn gps-connect-btn" onclick="startGpsDongle(this.closest('.gps-dongle-section').querySelector('.gps-device-select').value, parseInt(this.closest('.gps-dongle-section').querySelector('.gps-baudrate-select').value))" style="flex: 1; font-size: 10px; padding: 4px;">
                                         Connect
                                     </button>
                                     <button class="preset-btn gps-disconnect-btn" onclick="stopGpsDongle()" style="flex: 1; display: none; font-size: 10px; padding: 4px; background: rgba(255,0,0,0.1); border-color: #ff4444;">
@@ -3680,8 +3688,17 @@
                                         <button class="preset-btn" onclick="refreshGpsDevices()" style="padding: 4px 8px;" title="Refresh">🔄</button>
                                     </div>
                                 </div>
+                                <div class="form-group" style="margin-bottom: 8px;">
+                                    <label style="font-size: 11px;">Baud Rate</label>
+                                    <select class="gps-baudrate-select" style="width: 100%;">
+                                        <option value="4800">4800</option>
+                                        <option value="9600" selected>9600</option>
+                                        <option value="38400">38400</option>
+                                        <option value="115200">115200</option>
+                                    </select>
+                                </div>
                                 <div style="display: flex; gap: 5px;">
-                                    <button class="preset-btn gps-connect-btn" onclick="startGpsDongle(this.closest('.gps-dongle-section').querySelector('.gps-device-select').value)" style="flex: 1;">
+                                    <button class="preset-btn gps-connect-btn" onclick="startGpsDongle(this.closest('.gps-dongle-section').querySelector('.gps-device-select').value, parseInt(this.closest('.gps-dongle-section').querySelector('.gps-baudrate-select').value))" style="flex: 1;">
                                         Connect GPS
                                     </button>
                                     <button class="preset-btn gps-disconnect-btn" onclick="stopGpsDongle()" style="flex: 1; display: none; background: rgba(255,0,0,0.1); border-color: #ff4444;">
@@ -9130,7 +9147,7 @@
             });
         }
 
-        async function startGpsDongle(devicePath) {
+        async function startGpsDongle(devicePath, baudrate = 9600) {
             if (!devicePath) {
                 showError('Please select a GPS device');
                 return false;
@@ -9140,7 +9157,7 @@
                 const response = await fetch('/gps/start', {
                     method: 'POST',
                     headers: { 'Content-Type': 'application/json' },
-                    body: JSON.stringify({ device: devicePath, baudrate: 9600 })
+                    body: JSON.stringify({ device: devicePath, baudrate: baudrate })
                 });
                 const data = await response.json();