update readme v314

README.md

@@ -51,9 +51,10 @@ ____________________________________________________
 <br />
 
 # Timeline (Versions):
+- 2025-10-15 APRS Bridge for TNC added.
 - 2025-10-13 Rx and Tx Frequencies are now with fully configurable.
 - 2025-10-13 Startup Delay to allow the Router/Modem to start WiFiAP before connecting.
-- 2025-10-12 Choose to send Beacon on Rx or Tx frequency in Digipeater Mode.
+- 2025-10-12 Choose to send Beacon on Rx or Tx frequency.
 - 2025-10-11 User defined NTP server and send beacon over MQTT added.
 - 2025-10-10 Converted the Wiki into a PDF manual.
 - 2025-09-26 Heltec Wireless Bridge support added.

data/igate_conf.json

@@ -82,7 +82,8 @@
     "tnc": {
         "enableServer": false,
         "enableSerial": false,
-        "acceptOwn": false
+        "acceptOwn": false,
+        "aprsBrigdeActive": false
     },
     "mqtt": {
         "active": false,

data_embed/index.html

@@ -1511,25 +1511,7 @@
                             </div>
                             <div class="col-lg-9 col-sm-12">
                                 <div class="row">
-                                    <div class="col-12">
+                                    <div class="col-6">
-                                        <div class="form-check form-switch">
-                                            <div class="form-text">
-                                                Server will be available at port <strong>8001</strong>
-                                            </div>
-                                            <input
-                                                type="checkbox"
-                                                name="tnc.enableServer"
-                                                id="tnc.enableServer"
-                                                class="form-check-input"
-                                            />
-                                            <label
-                                                for="tnc.enableServer"
-                                                class="form-label"
-                                                >Enable TNC server</label
-                                            >
-                                        </div>
-                                    </div>
-                                    <div class="col-12">
                                         <div class="form-check form-switch">
                                             <input
                                                 type="checkbox"
@@ -1544,7 +1526,24 @@
                                             >
                                         </div>
                                     </div>
-                                    <div class="col-12">
+                                    <div class="col-6">
+                                        <div class="form-check form-switch">
+                                            <input
+                                                type="checkbox"
+                                                name="tnc.enableServer"
+                                                id="tnc.enableServer"
+                                                class="form-check-input"
+                                            />
+                                            <label
+                                                for="tnc.enableServer"
+                                                class="form-label"
+                                                >Enable TNC server <small><strong>(Port 8001)</strong></small></label
+                                            >
+                                        </div>
+                                    </div>
+                                </div>
+                                <div class="row mt-2">                                    
+                                    <div class="col-6">
                                         <div class="form-check form-switch">
                                             <input
                                                 type="checkbox"
@@ -1559,6 +1558,21 @@
                                             >
                                         </div>
                                     </div>
+                                    <div class="col-6">
+                                        <div class="form-check form-switch">
+                                            <input
+                                                type="checkbox"
+                                                name="tnc.aprsBridgeActive"
+                                                id="tnc.aprsBridgeActive"
+                                                class="form-check-input"
+                                            />
+                                            <label
+                                                for="tnc.aprsBridgeActive"
+                                                class="form-label"
+                                                >Enable APRS Bridge</label
+                                            >
+                                        </div>
+                                    </div>
                                 </div>
                             </div>
                         </div>

data_embed/script.js

@@ -206,6 +206,7 @@ function loadSettings(settings) {
         document.getElementById("tnc.enableServer").checked             = settings.tnc.enableServer;
         document.getElementById("tnc.enableSerial").checked             = settings.tnc.enableSerial;
         document.getElementById("tnc.acceptOwn").checked                = settings.tnc.acceptOwn;
+        document.getElementById("tnc.aprsBridgeActive").checked         = settings.tnc.aprsBridgeActive;
     }
 
     // MQTT

include/configuration.h

@@ -127,6 +127,7 @@ public:
     bool    enableServer;
     bool    enableSerial;
     bool    acceptOwn;
+    bool    aprsBridgeActive;
 };
 
 class OTA {

include/tnc_utils.h

@@ -27,8 +27,8 @@ namespace TNC_Utils {
     void setup();
     void loop();
 
-    void sendToClients(const String& packet);
+    void sendToClients(const String& packet, bool stripBytes = false);
-    void sendToSerial(const String& packet);
+    void sendToSerial(const String& packet, bool stripBytes = false);
 
 }
 

src/LoRa_APRS_iGate.cpp

@@ -192,9 +192,9 @@ void loop() {
                 DIGI_Utils::processLoRaPacket(packet); // Send received packet to Digi
             }
 
-            if (Config.tnc.enableServer) TNC_Utils::sendToClients(packet);  // Send received packet to TNC KISS
+            if (Config.tnc.enableServer) TNC_Utils::sendToClients(packet, true);    // Send received packet to TNC KISS
-            if (Config.tnc.enableSerial) TNC_Utils::sendToSerial(packet);   // Send received packet to Serial KISS
+            if (Config.tnc.enableSerial) TNC_Utils::sendToSerial(packet, true);     // Send received packet to Serial KISS
-            if (Config.mqtt.active) MQTT_Utils::sendToMqtt(packet);         // Send received packet to MQTT
+            if (Config.mqtt.active) MQTT_Utils::sendToMqtt(packet);                 // Send received packet to MQTT
         }
 
         if (Config.aprs_is.active) APRS_IS_Utils::listenAPRSIS();           // listen received packet from APRSIS

src/aprs_is_utils.cpp

@@ -25,6 +25,7 @@
 #include "query_utils.h"
 #include "A7670_utils.h"
 #include "digi_utils.h"
+#include "tnc_utils.h"
 #include "display.h"
 #include "utils.h"
 
@@ -367,6 +368,10 @@ namespace APRS_IS_Utils {
                     Serial.println(" ---> Rejected (Time): No Tx");
                 }
             }
+            if (Config.tnc.aprsBridgeActive) {
+                if (Config.tnc.enableServer) TNC_Utils::sendToClients(packet);  // Send received packet to TNC KISS
+                if (Config.tnc.enableSerial) TNC_Utils::sendToSerial(packet);   // Send received packet to Serial KISS
+            }
         }
     }
 

src/configuration.cpp

@@ -131,6 +131,7 @@ bool Configuration::writeFile() {
         data["tnc"]["enableServer"]                 = tnc.enableServer;
         data["tnc"]["enableSerial"]                 = tnc.enableSerial;
         data["tnc"]["acceptOwn"]                    = tnc.acceptOwn;
+        data["tnc"]["aprsBridgeActive"]             = tnc.aprsBridgeActive;
 
         data["mqtt"]["active"]                      = mqtt.active;
         data["mqtt"]["server"]                      = mqtt.server;
@@ -331,10 +332,12 @@ bool Configuration::readFile() {
 
         if (!data["tnc"].containsKey("enableServer") ||
             !data["tnc"].containsKey("enableSerial") ||
-            !data["tnc"].containsKey("acceptOwn")) needsRewrite = true;
+            !data["tnc"].containsKey("acceptOwn") ||
+            !data["tnc"].containsKey("aprsBridgeActive")) 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;
 
         if (!data["mqtt"].containsKey("active") ||
             !data["mqtt"].containsKey("server") ||
@@ -496,6 +499,7 @@ void Configuration::setDefaultValues() {
     tnc.enableServer                = false;
     tnc.enableSerial                = false;
     tnc.acceptOwn                   = false;
+    tnc.aprsBridgeActive            = false;
 
     mqtt.active                     = false;
     mqtt.server                     = "";

src/display.cpp

@@ -96,6 +96,7 @@ void displaySetup() {
             #ifdef HAS_EPAPER
                 display.landscape();
                 display.printCenter("LoRa APRS iGate Initialising...");
+                if (Config.display.turn180) display.setRotation(2);
                 display.update();
             #else
                 #ifdef OLED_DISPLAY_HAS_RST_PIN

src/tnc_utils.cpp

@@ -21,12 +21,15 @@
 #include "configuration.h"
 #include "station_utils.h"
 #include "kiss_protocol.h"
+#include "aprs_is_utils.h"
 #include "kiss_utils.h"
 #include "tnc_utils.h"
 #include "utils.h"
 
 
-extern Configuration        Config;
+extern Configuration    Config;
+extern WiFiClient       aprsIsClient;
+extern bool             passcodeValid;
 
 #define MAX_CLIENTS 4
 #define INPUT_BUFFER_SIZE (2 + MAX_CLIENTS)
@@ -94,7 +97,8 @@ namespace TNC_Utils {
                 String sender = frame.substring(0,frame.indexOf(">"));
 
                 if (Config.tnc.acceptOwn || sender != Config.callsign) {
-                    STATION_Utils::addToOutputPacketBuffer(frame);
+                    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");
                 }
@@ -131,8 +135,8 @@ namespace TNC_Utils {
         }
     }
 
-    void sendToClients(const String& packet) {
+    void sendToClients(const String& packet, bool stripBytes) {
-        String cleanPacket = packet.substring(3);
+        String cleanPacket = stripBytes ? packet.substring(3): packet;
 
         const String kissEncoded = encodeKISS(cleanPacket);
 
@@ -152,8 +156,8 @@ namespace TNC_Utils {
         Utils::println(cleanPacket);
     }
 
-    void sendToSerial(const String& packet) {
+    void sendToSerial(const String& packet, bool stripBytes) {
-        String cleanPacket = packet.substring(3);
+        String cleanPacket = stripBytes ? packet.substring(3): packet;
         Serial.print(encodeKISS(cleanPacket));
         Serial.flush();
     }

src/web_utils.cpp

@@ -259,6 +259,7 @@ namespace WEB_Utils {
         Config.tnc.enableServer             = request->hasParam("tnc.enableServer", true);
         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.mqtt.active                  = request->hasParam("mqtt.active", true);