date update

display: fix SCREEN_HEIGHT definition and maxLines for SH1106 OLED

.vscode/extensions.json

@@ -5,6 +5,7 @@
         "platformio.platformio-ide"
     ],
     "unwantedRecommendations": [
-        "ms-vscode.cpptools-extension-pack"
+        "ms-vscode.cpptools-extension-pack",
+        "pioarduino.pioarduino-ide"
     ]
 }

README.md

@@ -16,12 +16,6 @@ ____________________________________________________
 
 ____________________________________________________
 
-## You can support this project to continue to grow:
-
-[<img src="https://github.com/richonguzman/LoRa_APRS_Tracker/raw/main/images/github-sponsors.png">](https://github.com/sponsors/richonguzman)     [<img src="https://github.com/richonguzman/LoRa_APRS_Tracker/raw/main/images/paypalme.png">](http://paypal.me/richonguzman)
-
-____________________________________________________
-
 ## New Web/UI
 
 | New Menu | Map |
@@ -30,18 +24,24 @@ ____________________________________________________
 
 ____________________________________________________
 
+## You can support this project to continue to grow:
+
+[<img src="https://github.com/richonguzman/LoRa_APRS_Tracker/raw/main/images/github-sponsors.png">](https://github.com/sponsors/richonguzman)     [<img src="https://github.com/richonguzman/LoRa_APRS_Tracker/raw/main/images/paypalme.png">](http://paypal.me/richonguzman)
+
+____________________________________________________
+
 
 ## SUPPORTED BOARDS (<a href="https://github.com/richonguzman/LoRa_APRS_iGate/wiki/Supported-Boards-and-Buying-Links" target="_blank">Buying links</a>).
 
 (NOTE: all boards with 433-868-915 MHz versions)
 
-- TTGO Lilygo LoRa32 T3S3 V1.2 and LoRa32 V2.1 (V1.6 is the same).
+- TTGO Lilygo LoRa32 LoRa32 V2.1 (V1.6 is the same) and T3S3 V1.2.
 
 - TTGO T-Beam V1.0 , V1.1, V1.2 (also variations with SX1262 and SX1268 LoRa Modules) and Supreme V3.
 
 - T-Deck Plus (and also regular T-Deck with/without GPS).
 
-- HELTEC V2, V3, V3.2, T114, Wireless Stick, Wireless Stick Lite V3/V3.2, HT-CT62, Wireless Tracker, Wireless Paper.
+- HELTEC V2, V3, V3.2, V4, T114, Wireless Stick, Wireless Stick Lite V3/V3.2, HT-CT62, Wireless Tracker, Wireless Paper.
 
 - RAK Wireless 4631 + 19007(or 19003)
 
@@ -57,6 +57,8 @@ ____________________________________________________
 
 - Wemos Lolin32 Oled + SX1278 DIY Version.
 
+- and many more...
+
 <br />
 
 # Timeline (Versions):

common_settings.ini

@@ -38,7 +38,7 @@ lib_deps =
 	ESP32Async/AsyncTCP @ 3.4.10
 	ESP32Async/ESPAsyncWebServer @ 3.11.1
 	mikalhart/TinyGPSPlus @ 1.0.3
-	richonguzman/APRSPacketLib @ 1.0.4
+	richonguzman/APRSPacketLib @ 1.0.5
 display_libs =
 	adafruit/Adafruit GFX Library @ 1.12.6
 	adafruit/Adafruit SSD1306 @ 2.5.17

data_embed/index.html

@@ -1520,7 +1520,7 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             <label
                                                 for="tnc.enableSerial"
                                                 class="form-label"
-                                                >Enable Serial KISS</label
+                                                >Enable Serial</label
                                             >
                                         </div>
                                     </div>
@@ -1552,7 +1552,7 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                             <label
                                                 for="tnc.acceptOwn"
                                                 class="form-label"
-                                                >Accept own frames via KISS</label
+                                                >Accept own frames</label
                                             >
                                         </div>
                                     </div>
@@ -1572,6 +1572,23 @@ body{background:var(--msh-bg);color:var(--msh-text);font-family:"Inter",system-u
                                         </div>
                                     </div>
                                 </div>
+                                <div class="row mt-2">
+                                    <div class="col-6">
+                                        <label
+                                            for="tnc.kissProtocol"
+                                            class="form-label"
+                                            >Protocol</label
+                                        >
+                                        <select
+                                            class="form-select form-select"
+                                            name="tnc.kissProtocol"
+                                            id="tnc.kissProtocol"
+                                        >
+                                            <option value="KISS" selected>KISS</option>
+                                            <option value="TNC2">TNC2</option>
+                                        </select>
+                                    </div>
+                                </div>
                             </div>
                         </div>
 

data_embed/script.js

@@ -226,6 +226,7 @@ function loadSettings(settings) {
         document.getElementById("tnc.enableSerial").checked             = settings.tnc.enableSerial;
         document.getElementById("tnc.acceptOwn").checked                = settings.tnc.acceptOwn;
         document.getElementById("tnc.aprsBridgeActive").checked         = settings.tnc.aprsBridgeActive;
+        document.getElementById("tnc.kissProtocol").value                = settings.tnc.kissProtocol ? "KISS" : "TNC2";
     }
 
     // MQTT
@@ -490,7 +491,6 @@ function toggleWiFiAutoAPFields() {
     if (autoAPConfig) autoAPConfig.style.display = isEnabled ? 'block' : 'none';
 }
 
-
 document.querySelector(".new button").addEventListener("click", function () {
     const networksContainer = document.querySelector(".list-networks");
 
@@ -659,10 +659,274 @@ function setMapMessage(text) {
     }
 }
 
+
+/*
+ * APRS symbol renderer for Stations Map
+ *
+ * s.symbol contains APRS table + symbol code, for example:
+ *   "/>"  Primary table
+ *   "\\>" Alternate table
+ *   "L&"  Alternate table with overlay
+ *
+ * Sprite layout:
+ *   aprs-symbols-24-0.png = Primary table
+ *   aprs-symbols-24-1.png = Alternate table
+ *   aprs-symbols-24-2.png = Overlay characters
+ */
+
+function getAprsSymbolIcon(symbol, callsign = "") {
+
+    if (!symbol || String(symbol).length < 2) {
+        return null;
+    }
+
+    const value = String(symbol);
+
+    let table = value.charAt(0);
+    let code  = value.charAt(1);
+    let overlay = null;
+
+    /*
+     * Standard APRS:
+     * "/"  = Primary
+     * "\\" = Alternate
+     *
+     * A-Z / 0-9 / a-j in table position are overlays
+     * for the Alternate table.
+     */
+    if (
+        table !== "/" &&
+        table !== "\\"
+    ) {
+        overlay = table;
+        table = "\\";
+    }
+
+    const ascii = code.charCodeAt(0);
+
+    /*
+     * APRS printable symbol codes are ASCII 33..126.
+     */
+    if (
+        ascii < 33 ||
+        ascii > 126
+    ) {
+        return null;
+    }
+
+    const index = ascii - 33;
+
+    /*
+     * Sprite sheet contains 16 columns x 6 rows.
+     * Each cell occupies 24x24 CSS px; the
+     * "background-size" below tells the browser to scale the sheet back
+     * down to its original 24px-per-cell layout, so all position math
+     * stays in 24px units regardless of source resolution.
+     */
+    const columns = 16;
+    const sheetSize = "384px 144px"; // 16*24 x 6*24, same for all 3 sheets
+
+    const col = index % columns;
+    const row = Math.floor(index / columns);
+
+    const sprite =
+        table === "/"
+            ? "/aprs-symbols-24-0.png"
+            : "/aprs-symbols-24-1.png";
+
+    const x = -(col * 24);
+    const y = -(row * 24);
+
+    let overlayHtml = "";
+
+    if (overlay) {
+
+        let displayOverlay = overlay;
+
+        /*
+         * APRS compressed numeric overlay:
+         * a-j -> 0-9
+         */
+        if (
+            overlay >= "a" &&
+            overlay <= "j"
+        ) {
+            displayOverlay =
+                String(
+                    overlay.charCodeAt(0) -
+                    "a".charCodeAt(0)
+                );
+        }
+
+        /*
+         * The overlay sprite sheet does NOT follow the ascii-33 layout used
+         * by the primary/alternate tables above; it has its own grid:
+         * "0" at row 0 col 15, "1".."9" at row 1 col 0-8, "A".."P" at row 2,
+         * "Q".."Z" at row 3 col 0-9. Verified by hand against the PNG.
+         */
+        let overlayCol = null;
+        let overlayRow = null;
+
+        if (displayOverlay === "0") {
+            overlayCol = 15;
+            overlayRow = 0;
+        } else if (displayOverlay >= "1" && displayOverlay <= "9") {
+            overlayCol = displayOverlay.charCodeAt(0) - "1".charCodeAt(0);
+            overlayRow = 1;
+        } else if (displayOverlay >= "A" && displayOverlay <= "P") {
+            overlayCol = displayOverlay.charCodeAt(0) - "A".charCodeAt(0);
+            overlayRow = 2;
+        } else if (displayOverlay >= "Q" && displayOverlay <= "Z") {
+            overlayCol = displayOverlay.charCodeAt(0) - "Q".charCodeAt(0);
+            overlayRow = 3;
+        }
+
+        if (overlayCol !== null) {
+            const ox = -(overlayCol * 24);
+            const oy = -(overlayRow * 24);
+
+            overlayHtml = `
+                <span style="
+                    position:absolute;
+                    left:0;
+                    top:0;
+                    width:24px;
+                    height:24px;
+                    background-image:url('/aprs-symbols-24-2.png');
+                    background-repeat:no-repeat;
+                    background-position:${ox}px ${oy}px;
+                    background-size:${sheetSize};
+                    pointer-events:none;
+                "></span>
+            `;
+        }
+    }
+
+    return L.divIcon({
+        className: "",
+        html: `
+            <div style="
+                position:relative;
+                width:24px;
+                height:24px;
+                background-image:url('${sprite}');
+                background-repeat:no-repeat;
+                background-position:${x}px ${y}px;
+                background-size:${sheetSize};
+            ">
+                ${overlayHtml}
+
+                <span style="
+                    position:absolute;
+                    left:27px;
+                    top:6px;
+                    font:600 10px Arial,sans-serif;
+                    line-height:12px;
+                    white-space:nowrap;
+                    color:#111;
+                    text-shadow:
+                        -1px -1px 0 #fff,
+                         1px -1px 0 #fff,
+                        -1px  1px 0 #fff,
+                         1px  1px 0 #fff;
+                    pointer-events:none;
+                ">${callsign}</span>
+            </div>
+        `,
+        iconSize: [24, 24],
+        iconAnchor: [12, 12],
+        popupAnchor: [0, -12]
+    });
+}
+
+
+let mapStationsCache = [];
+let mapRouteLayer = null;
+
+function getUsedDigipeaters(path) {
+    if (!path) return [];
+
+    return path
+        .split(",")
+        .map((x) => x.trim())
+        .filter((x) => x.endsWith("*"))
+        .map((x) => x.replace(/\*+$/, ""))
+        .filter((x) =>
+            x &&
+            !x.startsWith("WIDE") &&
+            !x.startsWith("TRACE") &&
+            !x.startsWith("TCPIP") &&
+            !x.startsWith("TCPXX") &&
+            !x.startsWith("qA")
+        );
+}
+
+
+function describeMapPath(station) {
+    const digis = getUsedDigipeaters(station.path);
+
+    // heardDirect viene del firmware: true si ALGUNA VEZ se oyo directo,
+    // aunque el ultimo paquete haya llegado repetido.
+    if (station.heardDirect && digis.length) {
+        return "Direct+Via: " + digis.join(" → ");
+    }
+
+    if (digis.length) {
+        return "Via: " + digis.join(" → ");
+    }
+
+    return "Direct";
+}
+
+
+function clearMapRoute() {
+    if (mapRouteLayer && mapInstance) {
+        mapInstance.removeLayer(mapRouteLayer);
+    }
+    mapRouteLayer = null;
+}
+
+
+function drawStationRoute(station) {
+    if (!mapInstance || !iGateLatLng) return;
+
+    clearMapRoute();
+
+    const points = [
+        L.latLng(station.lat, station.lon)
+    ];
+
+    const digis = getUsedDigipeaters(station.path);
+
+    digis.forEach((digiCall) => {
+        const digi = mapStationsCache.find((s) =>
+            String(s.callsign || "").toUpperCase() === digiCall.toUpperCase()
+        );
+
+        if (digi && !(digi.lat === 0 && digi.lon === 0)) {
+            points.push(L.latLng(digi.lat, digi.lon));
+        }
+    });
+
+    points.push(iGateLatLng);
+
+    const routeColor = digis.length > 0 ? "#2e7d32" : "#1565c0";
+
+    mapRouteLayer = L.polyline(points, {
+        color: routeColor,
+        weight: 3,
+        opacity: 0.9
+    }).addTo(mapInstance);
+}
+
+
 function loadMapStations(stations) {
     if (!mapMarkers) return;
 
+    mapStationsCache = stations || [];
+
     mapMarkers.clearLayers();
+    clearMapRoute();
 
     let drawn = 0;
     (stations || []).forEach((s) => {
@@ -671,15 +935,52 @@ function loadMapStations(stations) {
         const popup = `<b>${s.callsign}</b>`
             + (s.lastHeard ? `<br>Last: ${s.lastHeard}` : "")
             + `<br>RSSI ${s.RSSI} / SNR ${s.SNR}`
-            + `<br>Packets: ${s.count}`;
+            + `<br>Packets: ${s.count}`
+            + `<br><b>${describeMapPath(s)}</b>`
+            + (s.path ? `<br><small>Path: ${s.path}</small>` : "");
+
+        const aprsIcon =
+            getAprsSymbolIcon(s.symbol, s.callsign);
+
+        if (aprsIcon) {
+
+            const marker = L.marker(
+                [s.lat, s.lon],
+                {
+                    icon: aprsIcon
+                }
+            )
+            .bindPopup(popup)
+            .addTo(mapMarkers);
+
+            marker.on("mouseover", function () {
+                drawStationRoute(s);
+            });
+
+            marker.on("mouseout", function () {
+                clearMapRoute();
+            });
+
+        } else {    // Fallback: station with missing or invalid APRS symbol
+            const marker = L.circleMarker([s.lat, s.lon], {
+                radius: 6,
+                color: "#1d6fe0",
+                weight: 2,
+                fillColor: "#3b8cff",
+                fillOpacity: 0.9
+            })
+            .bindPopup(popup)
+            .addTo(mapMarkers);
+
+            marker.on("mouseover", function () {
+                drawStationRoute(s);
+            });
+
+            marker.on("mouseout", function () {
+                clearMapRoute();
+            });
+        }
 
-        L.circleMarker([s.lat, s.lon], {
-            radius: 6,
-            color: "#1d6fe0",        // borde
-            weight: 2,
-            fillColor: "#3b8cff",    // relleno
-            fillOpacity: 0.9
-        }).bindPopup(popup).addTo(mapMarkers);
         drawn++;
     });
 

include/configuration.h

@@ -132,6 +132,7 @@ public:
     bool    enableSerial;
     bool    acceptOwn;
     bool    aprsBridgeActive;
+    bool    kissProtocol;    // true = KISS, false = TNC2 -- applies to both Serial and TCP server
 };
 
 class OTA {

include/gps_utils.h

@@ -32,6 +32,7 @@ namespace GPS_Utils {
     String  decodeEncodedGPS(const String& packet);
     String  getReceivedGPS(const String& packet);
     String  getDistanceAndComment(const String& packet);
+    String  getDistanceAndCommentFromMicE(const String& packet);
 
     void    setup();
     void    getData();

include/map_utils.h

@@ -32,12 +32,14 @@ struct MapStation {
     float    snr;               // ultimo SNR
     uint16_t count;             // nro de paquetes oidos de esa estacion
     char     lastHeard[10];     // "HH:MM:SS" si hay NTP valido, "" si no
+    char     path[96];          // last path received
     uint32_t lastHeardMillis;   // millis() -> ordenar / expirar (no se muestra)
+    bool     heardDirect;       // true si ALGUNA VEZ se oyo sin digipeaters (no se resetea)
 };
 
 namespace MAP_Utils {
 
-    void    upsert(const String& callsign, float latitude, float longitude, const String& symbol, int rssi, float snr);
+    void    upsert(const String& callsign, float latitude, float longitude, const String& path, const String& symbol, int rssi, float snr);
     String  getStationsJson();
 
 }

platformio.ini

@@ -29,6 +29,9 @@ board_build.embed_files =
 	data_embed/leaflet.css.gz
 	data_embed/leaflet.js.gz
 	data_embed/favicon.png.gz
+    data_embed/aprs-symbols-24-0.png.gz
+    data_embed/aprs-symbols-24-1.png.gz
+    data_embed/aprs-symbols-24-2.png.gz
 extra_scripts =
 	pre:tools/compress.py
 debug_tool = esp-prog

src/LoRa_APRS_iGate.cpp

@@ -68,8 +68,8 @@ ___________________________________________________________________*/
 #endif
 
 
-String              versionDate             = "2026-08-16";
-String              versionNumber           = "4.0.0";
+String              versionDate             = "2026-09-22";
+String              versionNumber           = "4.0.1";
 Configuration       Config;
 WiFiClient          aprsIsClient;
 WiFiClient          mqttClient;

src/configuration.cpp

@@ -157,6 +157,7 @@ bool Configuration::writeFile() {
         data["tnc"]["enableSerial"]                 = tnc.enableSerial;
         data["tnc"]["acceptOwn"]                    = tnc.acceptOwn;
         data["tnc"]["aprsBridgeActive"]             = tnc.aprsBridgeActive;
+        data["tnc"]["kissProtocol"]                 = tnc.kissProtocol;
 
         data["mqtt"]["active"]                      = mqtt.active;
         data["mqtt"]["server"]                      = mqtt.server;
@@ -369,11 +370,13 @@ bool Configuration::readFile() {
         if (data["tnc"]["enableServer"].isNull() ||
             data["tnc"]["enableSerial"].isNull() ||
             data["tnc"]["acceptOwn"].isNull() ||
-            data["tnc"]["aprsBridgeActive"].isNull()) needsRewrite = true;
+            data["tnc"]["aprsBridgeActive"].isNull() ||
+            data["tnc"]["kissProtocol"].isNull()) needsRewrite = true;
         tnc.enableServer                = data["tnc"]["enableServer"] | false;
         tnc.enableSerial                = data["tnc"]["enableSerial"] | false;
         tnc.acceptOwn                   = data["tnc"]["acceptOwn"] | false;
         tnc.aprsBridgeActive            = data["tnc"]["aprsBridgeActive"] | false;
+        tnc.kissProtocol                = data["tnc"]["kissProtocol"] | true;
 
         if (data["mqtt"]["active"].isNull() ||
             data["mqtt"]["server"].isNull() ||
@@ -538,6 +541,7 @@ void Configuration::setDefaultValues() {
     tnc.enableSerial                = false;
     tnc.acceptOwn                   = false;
     tnc.aprsBridgeActive            = false;
+    tnc.kissProtocol                = true;
 
     mqtt.active                     = false;
     mqtt.server                     = "";

src/digi_utils.cpp

@@ -42,13 +42,32 @@ extern bool             backupDigiMode;
 
 namespace DIGI_Utils {
 
-    String cleanPath(String path) {
-        String terms[] = {"WIDE1*,", "WIDE2*,", "*"};
-        for (String term : terms) {
-            int index = path.indexOf(term);
-            if (index != -1) path.remove(index, term.length());     // less memory than: tempPath.replace("*", "");
+    String cleanPath(const String& path) {
+        String result;
+        unsigned int start = 0;
+        while (true) {
+            int delim = path.indexOf(',', start);
+            int end = (delim == -1) ? path.length() : delim;
+            String token = path.substring(start, end);
+            if (token != "WIDE1*" && token != "WIDE2*") {
+                if (result.length() > 0) result += ",";
+                result += token;
+            }
+            if (delim == -1) break;
+            start = delim + 1;
         }
-        return path;
+        return result;
+    }
+
+    static int pathTokenIndex(const String& path, const String& token) {
+        unsigned int start = 0;
+        while (start < path.length()) {
+            int end = path.indexOf(",", start);
+            if (end == -1) end = path.length();
+            if (path.substring(start, end) == token) return start;
+            start = end + 1;
+        }
+        return -1;
     }
 
     String processMode3Path(const String& path, const String& stationCallsign) {
@@ -94,12 +113,13 @@ namespace DIGI_Utils {
                 tempPath.replace("WIDE1-1", stationCallsign + "*");
             } else if (tempPath.indexOf("WIDE2-") != -1 && digiMode == 2) {                 // WIDE2-n Digipeater
                 tempPath = cleanPath(path);
-                if (tempPath.indexOf("WIDE2-1") != -1) {
-                    tempPath.replace("WIDE2-1", stationCallsign + "*");
-                } else if (tempPath.indexOf("WIDE2-2") != -1) {
-                    tempPath.replace("WIDE2-2", stationCallsign + "*,WIDE2-1");
+                int idx = pathTokenIndex(tempPath, "WIDE2-1");
+                if (idx != -1) {
+                    tempPath = tempPath.substring(0, idx) + stationCallsign + "*" + tempPath.substring(idx + 7);
                 } else {
-                    return "";
+                    idx = pathTokenIndex(tempPath, "WIDE2-2");
+                    if (idx == -1) return "";
+                    tempPath = tempPath.substring(0, idx) + stationCallsign + "*,WIDE2-1" + tempPath.substring(idx + 7);
                 }
             } else if (digiMode == 3) {                                                     // Repeat if station callsign is in path (free to repeat).
                 tempPath = processMode3Path(tempPath, stationCallsign);

src/display.cpp

@@ -57,19 +57,20 @@
             String lastEpaperText;
         #else
             #include <Adafruit_GFX.h>
+            #if defined RPC_LORA_DIGIGATE_1W
+                #define SCREEN_HEIGHT 32
+            #else
+                #define SCREEN_HEIGHT 64
+            #endif
+
             #ifdef HAS_SH1106
                 #include <Adafruit_SH110X.h>
-                Adafruit_SH1106G display(128, 64, &Wire, OLED_RST);
+                Adafruit_SH1106G display(128, SCREEN_HEIGHT, &Wire, OLED_RST);
             #else
                 #include <Adafruit_SSD1306.h>
                 #ifdef HELTEC_WSL_V3_DISPLAY
-                    Adafruit_SSD1306 display(128, 64, &Wire1, OLED_RST);
+                    Adafruit_SSD1306 display(128, SCREEN_HEIGHT, &Wire1, OLED_RST);
                 #else
-                    #if defined RPC_LORA_DIGIGATE_1W
-                        #define SCREEN_HEIGHT 32
-                    #else
-                        #define SCREEN_HEIGHT 64
-                    #endif
                     Adafruit_SSD1306 display(128, SCREEN_HEIGHT, &Wire, OLED_RST);
                 #endif
             #endif
@@ -107,6 +108,8 @@ void displaySetup() {
                 maxLines = 6;
             #elif (SCREEN_HEIGHT == 32)
                 maxLines = 3;
+            #else
+                maxLines = 6;
             #endif
             #ifdef HAS_EPAPER
                 display.landscape();

src/gps_utils.cpp

@@ -154,10 +154,6 @@ namespace GPS_Utils {
         int indexOfAt = packet.indexOf(":@");
         if (indexOfAt > 10) return getReceivedGPS(packet);
 
-        const uint8_t nonEncondedLatitudeOffset     = 9;    // "N" / "S"
-        const uint8_t nonEncondedLongitudeOffset    = 19;   // "E" / "W"
-        const uint8_t encodedByteOffset             = 14;
-
         int indexOfExclamation  = packet.indexOf(":!");
         int indexOfEqual        = packet.indexOf(":=");
         int baseIndex           = - 1;
@@ -168,32 +164,33 @@ namespace GPS_Utils {
         }
         if (baseIndex == -1) return " _ / _ / _ ";
 
-        int latitudeIndex       = baseIndex + nonEncondedLatitudeOffset;
-        int longitudeIndex      = baseIndex + nonEncondedLongitudeOffset;
-        int encodedByteIndex    = baseIndex + encodedByteOffset;
-        int packetLength        = packet.length();
+        int packetLength = packet.length();
+        if (baseIndex + 2 >= packetLength) return " _ / _ / _ ";
 
-        if (latitudeIndex < packetLength && longitudeIndex < packetLength) {
-            char latChar = packet[latitudeIndex];
-            char lngChar = packet[longitudeIndex];
-            if ((latChar == 'N' || latChar == 'S') && (lngChar == 'E' || lngChar == 'W')) return getReceivedGPS(packet);
-        }
-        if (encodedByteIndex < packetLength) {
-            char byteChar = packet[encodedByteIndex];
-            if (byteChar == 'G' || byteChar == 'Q' || byteChar == '[' || byteChar == 'H' || byteChar == 'X' || byteChar == '3') return decodeEncodedGPS(packet);
-        }
+        // Spec-based: the first character right after the DTI decides the format.
+        // Uncompressed positions always start with a latitude digit.
+        // Compressed positions always start with the symbol table id: '/', '\', or an overlay A-Z/a-j.
+        char firstInfoChar = packet[baseIndex + 2];
+        if (firstInfoChar >= '0' && firstInfoChar <= '9') return getReceivedGPS(packet);
+        if (firstInfoChar == '/' || firstInfoChar == '\\' ||
+            (firstInfoChar >= 'A' && firstInfoChar <= 'Z') ||
+            (firstInfoChar >= 'a' && firstInfoChar <= 'j')) return decodeEncodedGPS(packet);
         return " _ / _ / _ ";
     }
 
-    /*String getDistanceAndCommentFromMicE(const String& packet) {
-        int indexOfMicE1 = packet.indexOf(":`");
-        int indexOfMicE2 = packet.indexOf(":\'");
+    String getDistanceAndCommentFromMicE(const String& packet) {
+        // Mic-E encodes latitude in the AX.25 destination field and longitude
+        // in the info field with its own +28 offset scheme -- nothing like
+        // the non-encoded/base91 formats above. APRSPacketLib::processReceivedPacket
+        // already implements that decode (used for the map upsert in
+        // lora_utils.cpp), so it's reused here instead of duplicating it.
+        if (packet.length() < 4) return " _ / _ / _ ";
 
-        if (indexOfMicE1 > 10 || indexOfMicE2 > 10) {
-            return decodeEncodedGPS(packet);
-        }
-        return " _ / _ / _ ";
-    }*/
+        APRSPacket aprsPacket = APRSPacketLib::processReceivedPacket(packet.substring(3), 0, 0, 0);
+        if (aprsPacket.type != 4) return " _ / _ / _ ";   // 4 = Mic-E
+
+        return buildDistanceAndComment(aprsPacket.latitude, aprsPacket.longitude, "");
+    }
 
     void setup() {
         #ifdef HAS_GPS

src/lora_utils.cpp

@@ -291,8 +291,8 @@ namespace LoRa_Utils {
                                 receivedPackets.push_back(receivedPacket);
 
                                 APRSPacket aprsPacket = APRSPacketLib::processReceivedPacket(packet.substring(3), rssi, snr, freqError);
-                                if (aprsPacket.type == 0 || aprsPacket.type == 4) {   // 0 = GPS, 4 = Mic-E (los que traen posición)
-                                    MAP_Utils::upsert(aprsPacket.sender, aprsPacket.latitude, aprsPacket.longitude, aprsPacket.overlay + aprsPacket.symbol, aprsPacket.rssi, aprsPacket.snr);
+                                if (aprsPacket.type == 0 || aprsPacket.type == 4) {   // 0 = GPS, 4 = Mic-E (only ones with position)
+                                    MAP_Utils::upsert(aprsPacket.sender, aprsPacket.latitude, aprsPacket.longitude, aprsPacket.path, aprsPacket.overlay + aprsPacket.symbol, aprsPacket.rssi, aprsPacket.snr);
                                 }
                             }
 

src/map_utils.cpp

@@ -29,9 +29,7 @@ std::vector<MapStation> mapStations;
 
 namespace MAP_Utils {
 
-    // Copia la hora NTP "HH:MM:SS" si es valida; si no hay red (NTP devuelve
-    // un texto de fallback) deja el campo vacio para no guardar hora falsa.
-    void writeFormatedTime(char* dst, size_t size) {
+    void writeFormatedTime(char* dst, size_t size) { // gets NTP time ("HH:MM:SS") and writes it to dst if valid
         String t = NTP_Utils::getFormatedTime();
         if (t.length() == 8 && t.charAt(2) == ':') {
             t.toCharArray(dst, size);
@@ -40,10 +38,8 @@ namespace MAP_Utils {
         }
     }
 
-    // Inserta una estacion nueva o actualiza la existente (dedup por callsign).
-    // Llamar solo cuando el parser ya decodifico una posicion valida.
-    void upsert(const String& callsign, float latitude, float longitude, const String& symbol, int rssi, float snr) {
-        for (auto &s : mapStations) {                       // 1) ya existe -> actualizar
+    void upsert(const String& callsign, float latitude, float longitude, const String& path, const String& symbol, int rssi, float snr) {   // Upsert station only with valid position with callsign dedup.
+        for (auto &s : mapStations) {                       // 1) update
             if (callsign.equals(s.callsign)) {
                 s.latitude  = latitude;
                 s.longitude = longitude;
@@ -51,13 +47,15 @@ namespace MAP_Utils {
                 s.snr       = snr;
                 s.count++;
                 symbol.toCharArray(s.symbol, sizeof(s.symbol));
+                path.toCharArray(s.path, sizeof(s.path));
+                if (path.indexOf('*') == -1) s.heardDirect = true;   // se oyo directo alguna vez; no se resetea si despues llega repetido
                 writeFormatedTime(s.lastHeard, sizeof(s.lastHeard));
                 s.lastHeardMillis = millis();
                 return;
             }
         }
 
-        if (mapStations.size() >= MAX_MAP_STATIONS) {       // 2) llena -> descartar la mas vieja
+        if (mapStations.size() >= MAX_MAP_STATIONS) {       // 2) full? delete oldest one
             size_t oldest = 0;
             for (size_t i = 1; i < mapStations.size(); i++) {
                 if (mapStations[i].lastHeardMillis < mapStations[oldest].lastHeardMillis) {
@@ -67,14 +65,16 @@ namespace MAP_Utils {
             mapStations.erase(mapStations.begin() + oldest);
         }
 
-        MapStation st = {};                                 // 3) insertar nueva
+        MapStation st = {};                                 // 3) insert new
         callsign.toCharArray(st.callsign, sizeof(st.callsign));
         symbol.toCharArray(st.symbol, sizeof(st.symbol));
+        path.toCharArray(st.path, sizeof(st.path));
         st.latitude  = latitude;
         st.longitude = longitude;
         st.rssi      = rssi;
         st.snr       = snr;
         st.count     = 1;
+        st.heardDirect = (path.indexOf('*') == -1);         // primer paquete: directo si no trae digis usados
         writeFormatedTime(st.lastHeard, sizeof(st.lastHeard));
         st.lastHeardMillis = millis();
         mapStations.push_back(st);
@@ -102,6 +102,8 @@ namespace MAP_Utils {
             data[i]["SNR"]       = mapStations[i].snr;
             data[i]["count"]     = mapStations[i].count;
             data[i]["lastHeard"] = mapStations[i].lastHeard;
+            data[i]["path"]      = mapStations[i].path;
+            data[i]["heardDirect"] = mapStations[i].heardDirect;
         }
 
         String buffer;

src/syslog_utils.cpp

@@ -85,9 +85,8 @@ namespace SYSLOG_Utils {
                         syslogPacket.concat(" ---> ");
                         syslogPacket.concat(String(nextChar));  // restore the actual indicator received
                         syslogPacket.concat(packet.substring(colonIndex + 2));
-                        // append distance for Mic-E, same as the GPS path
-                        //syslogPacket.concat(" / ");
-                        //syslogPacket.concat(GPS_Utils::getDistanceAndComment(packet));
+                        syslogPacket.concat(" / ");
+                        syslogPacket.concat(GPS_Utils::getDistanceAndCommentFromMicE(packet));
                     } else if (nextChar == ';') {
                         syslogPacket.concat("OBJECT / ");
                         syslogPacket.concat(sender);

src/tnc_utils.cpp

@@ -78,7 +78,23 @@ namespace TNC_Utils {
         }
     }
 
-    void handleInputData(char character, int bufferIndex) {
+    void processInputFrame(const String& frame, int bufferIndex, const String& protocolLabel) {
+        if (bufferIndex != -1) {
+            Utils::print("<--- Got from TNC (" + protocolLabel + ") : ");
+            Utils::println(frame);
+        }
+
+        String sender = frame.substring(0,frame.indexOf(">"));
+
+        if (Config.tnc.acceptOwn || sender != Config.callsign) {
+            if (Config.loramodule.txActive) STATION_Utils::addToOutputPacketBuffer(frame);
+            if (Config.tnc.aprsBridgeActive && Config.aprs_is.active && passcodeValid && aprsIsClient.connected()) APRS_IS_Utils::upload(frame);
+        } else {
+            Utils::println("Ignored own frame from " + protocolLabel);
+        }
+    }
+
+    void handleInputDataKISS(char character, int bufferIndex) {
         String* data = (bufferIndex == -1) ? &inputSerialBuffer : &inputServerBuffer[bufferIndex];
         if (data->length() == 0 && character != (char)FEND) return;
 
@@ -89,19 +105,7 @@ namespace TNC_Utils {
             const String& frame = decodeKISS(*data, isDataFrame);
 
             if (isDataFrame) {
-                if (bufferIndex != -1) {
-                    Utils::print("<--- Got from TNC      : ");
-                    Utils::println(frame);
-                }
-
-                String sender = frame.substring(0,frame.indexOf(">"));
-
-                if (Config.tnc.acceptOwn || sender != Config.callsign) {
-                    if (Config.loramodule.txActive) STATION_Utils::addToOutputPacketBuffer(frame);
-                    if (Config.tnc.aprsBridgeActive && Config.aprs_is.active && passcodeValid && aprsIsClient.connected()) APRS_IS_Utils::upload(frame);
-                } else {
-                    Utils::println("Ignored own frame from KISS");
-                }
+                processInputFrame(frame, bufferIndex, "KISS");
             }
             data->clear();
         }
@@ -111,6 +115,36 @@ namespace TNC_Utils {
         }
     }
 
+    void handleInputDataTNC2(char character, int bufferIndex) {
+        String* data = (bufferIndex == -1) ? &inputSerialBuffer : &inputServerBuffer[bufferIndex];
+
+        if (character == '\r') return;
+
+        if (character == '\n') {
+            String frame = *data;
+            frame.trim();
+            data->clear();
+
+            if (frame.length() > 0 && frame.indexOf(':') != -1 && frame.indexOf('>') != -1) {
+                processInputFrame(frame, bufferIndex, "TNC2");
+            }
+            return;
+        }
+
+        data->concat(character);
+        if (data->length() > 255) {
+            data->clear();
+        }
+    }
+
+    void handleInputData(char character, int bufferIndex) {
+        if (Config.tnc.kissProtocol) {
+            handleInputDataKISS(character, bufferIndex);
+        } else {
+            handleInputDataTNC2(character, bufferIndex);
+        }
+    }
+
     void readFromClients() {
         for (int i = 0; i < MAX_CLIENTS; i++) {
             auto client = clients[i];
@@ -138,13 +172,13 @@ namespace TNC_Utils {
     void sendToClients(const String& packet, bool stripBytes) {
         String cleanPacket = stripBytes ? packet.substring(3): packet;
 
-        const String kissEncoded = encodeKISS(cleanPacket);
+        const String encoded = Config.tnc.kissProtocol ? encodeKISS(cleanPacket) : (cleanPacket + "\r\n");
 
         for (int i = 0; i < MAX_CLIENTS; i++) {
             auto client = clients[i];
             if (client != nullptr) {
                 if (client->connected()) {
-                    client->print(kissEncoded);
+                    client->print(encoded);
                     client->flush();
                 } else {
                     delete client;
@@ -158,7 +192,7 @@ namespace TNC_Utils {
 
     void sendToSerial(const String& packet, bool stripBytes) {
         String cleanPacket = stripBytes ? packet.substring(3): packet;
-        Serial.print(encodeKISS(cleanPacket));
+        Serial.print(Config.tnc.kissProtocol ? encodeKISS(cleanPacket) : (cleanPacket + "\r\n"));
         Serial.flush();
     }
 

src/web_utils.cpp

@@ -62,6 +62,18 @@ extern const unsigned char favicon_data[] asm("_binary_data_embed_favicon_png_gz
 extern const unsigned char favicon_data_end[] asm("_binary_data_embed_favicon_png_gz_end");
 extern const size_t favicon_data_len = favicon_data_end - favicon_data;
 
+extern const unsigned char aprs_symbols_24_0_data[] asm("_binary_data_embed_aprs_symbols_24_0_png_gz_start");
+extern const unsigned char aprs_symbols_24_0_data_end[] asm("_binary_data_embed_aprs_symbols_24_0_png_gz_end");
+extern const size_t aprs_symbols_24_0_data_len = aprs_symbols_24_0_data_end - aprs_symbols_24_0_data;
+
+extern const unsigned char aprs_symbols_24_1_data[] asm("_binary_data_embed_aprs_symbols_24_1_png_gz_start");
+extern const unsigned char aprs_symbols_24_1_data_end[] asm("_binary_data_embed_aprs_symbols_24_1_png_gz_end");
+extern const size_t aprs_symbols_24_1_data_len = aprs_symbols_24_1_data_end - aprs_symbols_24_1_data;
+
+extern const unsigned char aprs_symbols_24_2_data[] asm("_binary_data_embed_aprs_symbols_24_2_png_gz_start");
+extern const unsigned char aprs_symbols_24_2_data_end[] asm("_binary_data_embed_aprs_symbols_24_2_png_gz_end");
+extern const size_t aprs_symbols_24_2_data_len = aprs_symbols_24_2_data_end - aprs_symbols_24_2_data;
+
 
 namespace WEB_Utils {
 
@@ -92,6 +104,42 @@ namespace WEB_Utils {
         request->send(response);
     }
 
+    void handleAprsSymbols24Primary(AsyncWebServerRequest *request) {
+        AsyncWebServerResponse *response = request->beginResponse(
+            200,
+            "image/png",
+            (const uint8_t*)aprs_symbols_24_0_data,
+            aprs_symbols_24_0_data_len
+        );
+        response->addHeader("Content-Encoding", "gzip");
+        response->addHeader("Cache-Control", "max-age=3600");
+        request->send(response);
+    }
+
+    void handleAprsSymbols24Alternate(AsyncWebServerRequest *request) {
+        AsyncWebServerResponse *response = request->beginResponse(
+            200,
+            "image/png",
+            (const uint8_t*)aprs_symbols_24_1_data,
+            aprs_symbols_24_1_data_len
+        );
+        response->addHeader("Content-Encoding", "gzip");
+        response->addHeader("Cache-Control", "max-age=3600");
+        request->send(response);
+    }
+
+    void handleAprsSymbols24Overlay(AsyncWebServerRequest *request) {
+        AsyncWebServerResponse *response = request->beginResponse(
+            200,
+            "image/png",
+            (const uint8_t*)aprs_symbols_24_2_data,
+            aprs_symbols_24_2_data_len
+        );
+        response->addHeader("Content-Encoding", "gzip");
+        response->addHeader("Cache-Control", "max-age=3600");
+        request->send(response);
+    }
+
     void handleReadConfiguration(AsyncWebServerRequest *request) {
         if(Config.webadmin.active && !request->authenticate(Config.webadmin.username.c_str(), Config.webadmin.password.c_str()))
             return request->requestAuthentication();
@@ -274,6 +322,7 @@ namespace WEB_Utils {
         Config.tnc.enableSerial             = request->hasParam("tnc.enableSerial", true);
         Config.tnc.acceptOwn                = request->hasParam("tnc.acceptOwn", true);
         Config.tnc.aprsBridgeActive         = request->hasParam("tnc.aprsBridgeActive", true);
+        Config.tnc.kissProtocol             = getParamStringSafe("tnc.kissProtocol", Config.tnc.kissProtocol ? "KISS" : "TNC2") != "TNC2";
 
         Config.mqtt.active                  = request->hasParam("mqtt.active", true);
         if (Config.mqtt.active) {
@@ -401,6 +450,9 @@ namespace WEB_Utils {
             server.on("/leaflet.css", HTTP_GET, handleLeafletStyle);
             server.on("/leaflet.js", HTTP_GET, handleLeafletScript);
             server.on("/favicon.png", HTTP_GET, handleFavicon);
+            server.on("/aprs-symbols-24-0.png", HTTP_GET, handleAprsSymbols24Primary);
+            server.on("/aprs-symbols-24-1.png", HTTP_GET, handleAprsSymbols24Alternate);
+            server.on("/aprs-symbols-24-2.png", HTTP_GET, handleAprsSymbols24Overlay);
 
             OTA_Utils::setup(&server); // Include OTA Updater for WebServer
 

tools/compress.py

@@ -29,6 +29,9 @@ files = [
   'data_embed/leaflet.js',
   'data_embed/leaflet.css',
   'data_embed/favicon.png',
+  'data_embed/aprs-symbols-24-0.png',
+  'data_embed/aprs-symbols-24-1.png',
+  'data_embed/aprs-symbols-24-2.png',
 ]
 
 string_to_find_str = "String"

variants/ttgo_t_deck_GPS/platformio.ini

@@ -5,12 +5,14 @@ platform = espressif32 @ 6.3.1
 board_build.partitions = min_spiffs.csv
 board = esp32-s3-devkitc-1
 board_build.mcu = esp32s3
-board_build.embed_files = 
+board_build.embed_files =
 	data_embed/index.html.gz
 	data_embed/style.css.gz
 	data_embed/script.js.gz
 	data_embed/bootstrap.css.gz
 	data_embed/bootstrap.js.gz
+    data_embed/leaflet.css.gz
+	data_embed/leaflet.js.gz
 	data_embed/favicon.png.gz
 extra_scripts =
 	pre:tools/compress.py

variants/ttgo_t_deck_plus/platformio.ini

@@ -5,12 +5,14 @@ platform = espressif32 @ 6.3.1
 board_build.partitions = min_spiffs.csv
 board = esp32-s3-devkitc-1
 board_build.mcu = esp32s3
-board_build.embed_files = 
+board_build.embed_files =
 	data_embed/index.html.gz
 	data_embed/style.css.gz
 	data_embed/script.js.gz
 	data_embed/bootstrap.css.gz
 	data_embed/bootstrap.js.gz
+    data_embed/leaflet.css.gz
+	data_embed/leaflet.js.gz
 	data_embed/favicon.png.gz
 extra_scripts =
 	pre:tools/compress.py