aprs: ensure symbol is selected (and show in config editor); gps speed over ground on displays (GSm/GSk in m/s or km/h)

RX_FSK/RX_FSK.ino

@@ -1605,7 +1605,8 @@ void handlePMUirq() {
       button2.keydownTime = my_millis();
     }
   } else {
-    Serial.println("handlePMIirq() called. THIS SHOULD NOT HAPPEN w/o button2_axp set");
+    // WiFi loop intentionally calls this in order to react to PMU key press
+    //Serial.println("handlePMIirq() called. THIS SHOULD NOT HAPPEN w/o button2_axp set");
     pmu_irq = 0;   // prevent main loop blocking
   }
 }

RX_FSK/data/rdz.js

@@ -5,6 +5,36 @@ stypes.set('D', 'DFM');
 stypes.set('M', 'M10/M20');
 stypes.set('3', 'MP3H');
 
+function loadaprs(baseurl,callback) {
+  var link = document.createElement('link');
+  link.rel = 'stylesheet';
+  link.href = baseurl + "/aprs-symbols.css";
+  document.head.appendChild(link);
+  var script = document.createElement('script');
+  script.src = baseurl + "/aprs-symbols.js";
+  script.onload = function() { if (typeof callback === 'function') { callback(); } }
+  document.head.appendChild(script);
+}
+
+loadaprs("http://rdzsonde.mooo.com/aprs", function() {
+  var inputBox = document.querySelector('input[name="tcp.beaconsym"]');
+  if(inputBox) {
+    inputBox.addEventListener('input', showaprs);
+    var newdiv = document.createElement('div');
+    newdiv.id = 'aprsSyms';
+    inputBox.insertAdjacentElement('afterend', newdiv);
+    function showaprs() {
+      var inp = inputBox.value;
+      var tag1 = getAPRSSymbolImageTag(inp.slice(0,2));
+      var tag2 = getAPRSSymbolImageTag(inp.slice(2,4));
+      if(typeof tag1 === 'string') { newdiv.innerHTML = "Fixed: "+tag1; }
+      if(typeof tag2 === 'string') { newdiv.innerHTML += " Chase: "+tag2; }
+    }
+    showaprs();
+    inputBox.addEventListener('input', function() { showaprs(); });
+  }
+});
+  
 function footer() {
   document.addEventListener("DOMContentLoaded", function(){
     var form = document.querySelector(".wrapper");

RX_FSK/src/Display.cpp

@@ -1555,6 +1555,22 @@ void Display::drawGPS(DispEntry *de) {
 		snprintf(buf, 4, "%3d", gpsPos.course);
 		drawString(de, buf);
 		break;
+        case 'S':
+		// GPS speed over ground
+		// extra[1]: m for m/s, k for km/h
+		// extra[2...]: additional text that is appended, like "m/s" or "km/h"
+		//              if omitted, the m/s or km/h tile is appended on LCD displays (not TFT)
+		if(!de->extra[1]) break; // missing m or k
+                {
+		float speed = gpsPos.speed;
+		if(de->extra[1] != 'm') speed *= 3.6;
+		snprintf(buf, 16, "%.2f%s", speed, de->extra+2);
+		drawString(de, buf);
+		if(!de->extra[2]) {
+			rdis->drawTile(de->x+5, de->y, 2, de->extra[1]=='m' ? ms_tiles : kmh_tiles);
+		}
+                }
+                break;
 	case 'D':
 		{
 		// distance

RX_FSK/src/Sonde.cpp

@@ -287,6 +287,13 @@ void Sonde::checkConfig() {
 	if(config.sondehub.fimaxage==0) config.sondehub.fimaxage = 2;
         // auto upgrade config to new version with format arguments in string
         if(!strchr(sonde.config.ephftp,'%')) strcpy(sonde.config.ephftp,DEFEPH);
+	switch(strlen(config.beaconsym)) {
+		case 0: case 1:
+			strcpy(config.beaconsym,"/`/("); // default: dish antenne, mobile sat station
+			break;
+		case 2: case 3:
+			strcpy(config.beaconsym+2, "/(");  // default sym2: mobile sat station
+	}
 }
 void Sonde::setConfig(const char *cfg) {
 	while(*cfg==' '||*cfg=='\t') cfg++;

RX_FSK/src/posinfo.cpp

@@ -107,6 +107,7 @@ void gpsTask(void *parameter) {
         if (gpsPos.valid) {
           gpsPos.lon = nmea.getLongitude() * 0.000001;
           gpsPos.lat = nmea.getLatitude() * 0.000001;
+          gpsPos.speed = nmea.getSpeed() / 1000.0 * 0.514444; // speed is in m/s nmea.getSpeed is in 0.001 knots
           long alt = 0;
           nmea.getAltitude(alt);
           gpsPos.alt = (int)(alt / 1000);