APRSSSR into APRSSR fix

README.md

@@ -51,6 +51,8 @@ ____________________________________________________
 <br />
 
 # Timeline (Versions):
+- 2026-01-07 Tactical Callsign added.
+- 2026-01-05 Heltec V4 support added.
 - 2025-12-22 Heltec Wireless Paper V1.2 and VisionMaster E290 Added. Thanks HA5SZI.
 - 2025-12-18 TCXO and packet decoding updates.
 - 2025-12-01 APRSPacketLib updates, AHT20 sensor added, INA219 support added.

data_embed/index.html

@@ -119,7 +119,7 @@
                             </div>
                             <div class="col-lg-9 col-sm-12">
                                 <div class="row">
-                                    <div class="col-12">
+                                    <div class="col-6">
                                         <label for="callsign" class="form-label"
                                             >Callsign - SSID</label
                                         >
@@ -133,6 +133,19 @@
                                             oninput="this.value = this.value.toUpperCase();"
                                         />
                                     </div>
+                                    <div class="col-6">
+                                        <label for="tacticalCallsign" class="form-label"
+                                            >Tactical Callsign</label
+                                        >
+                                        <input
+                                            type="text"
+                                            name="tacticalCallsign"
+                                            id="tacticalCallsign"
+                                            class="form-control"
+                                            placeholder=""
+                                            oninput="this.value = this.value.toUpperCase();"
+                                        />
+                                    </div>
                                     <div class="col-12 mt-3">
                                         <label
                                             for="beacon.comment"
@@ -158,7 +171,7 @@
                                             name="beacon.path"
                                             id="beacon.path"
                                             class="form-control"
-                                            placeholder="We prefer WIDE1-1"
+                                            placeholder="WIDE1-1"
                                         />
                                     </div>
                                     <div class="col-8 mt-3">
@@ -591,11 +604,11 @@
                                                 type="number"
                                                 name="beacon.interval"
                                                 id="beacon.interval"
-                                                placeholder="15"
                                                 class="form-control"
-                                                required=""
+                                                value="15"
+                                                min="10"
                                                 step="1"
-                                                min="15"
+                                                required
                                             />
                                             <span class="input-group-text"
                                                 >minutes
@@ -853,7 +866,9 @@
                                             id="lora.rxSpreadingFactor"
                                             required=""
                                         >
-                                            <option value="7">SF7 - Lowest battery usage</option>
+                                            <option value="5">SF5 - Lowest battery usage</option>
+                                            <option value="6">SF6</option>
+                                            <option value="7">SF7</option>
                                             <option value="8">SF8</option>
                                             <option value="9">SF9</option>
                                             <option value="10">SF10</option>
@@ -873,7 +888,9 @@
                                             id="lora.txSpreadingFactor"
                                             required=""
                                         >
-                                            <option value="7">SF7 - Lowest battery usage</option>
+                                            <option value="5">SF5 - Lowest battery usage</option>
+                                            <option value="6">SF6</option>
+                                            <option value="7">SF7</option>
                                             <option value="8">SF8</option>
                                             <option value="9">SF9</option>
                                             <option value="10">SF10</option>

data_embed/script.js

@@ -54,6 +54,7 @@ function loadSettings(settings) {
     currentSettings = settings;
     // General
     document.getElementById("callsign").value                           = settings.callsign;
+    document.getElementById("tacticalCallsign").value                   = settings.tacticalCallsign;
     document.getElementById("beacon.comment").value                     = settings.beacon.comment;
     document.getElementById("beacon.path").value                        = settings.beacon.path;
     document.getElementById("beacon.symbol").value                      = settings.beacon.symbol;

include/configuration.h

@@ -170,6 +170,7 @@ public:
 class Configuration {
 public:
     String                  callsign;
+    String                  tacticalCallsign;
     int                     rememberStationTime;
     bool                    backupDigiMode;
     bool                    rebootMode;

src/LoRa_APRS_iGate.cpp

@@ -67,8 +67,8 @@ ___________________________________________________________________*/
 #endif
 
 
-String              versionDate             = "2025-12-29";
+String              versionDate             = "2026-01-11";
-String              versionNumber           = "3.1.7";
+String              versionNumber           = "3.1.7.1";
 Configuration       Config;
 WiFiClient          aprsIsClient;
 WiFiClient          mqttClient;

src/aprs_is_utils.cpp

@@ -274,6 +274,29 @@ namespace APRS_IS_Utils {
         return outputPacket;
     }
 
+    void processAckMessage(const String& sender, const String& message) {
+        String ackPacket = Config.callsign;
+        ackPacket += ">APLRG1,TCPIP,qAC::";
+
+        String senderCallsign = sender;
+        for (int i = sender.length(); i < 9; i++) {
+            senderCallsign += ' ';
+        }
+        ackPacket += senderCallsign;
+        ackPacket += ":";
+
+        String ackMessage = "ack";
+        ackMessage += message.substring(message.indexOf("{") + 1);
+        ackMessage.trim();
+        ackPacket += ackMessage;
+
+        #ifdef HAS_A7670
+            A7670_Utils::uploadToAPRSIS(ackPacket);
+        #else
+            upload(ackPacket);
+        #endif
+    }
+
     void processAPRSISPacket(const String& packet) {
         if (!passcodeValid && packet.indexOf(Config.callsign) != -1) {
             if (packet.indexOf("unverified") != -1 ) {
@@ -294,38 +317,19 @@ namespace APRS_IS_Utils {
                 if (Addressee == Config.callsign) {                 // its for me!
                     String receivedMessage;
                     if (AddresseeAndMessage.indexOf("{") > 0) {     // ack?
-                        String ackMessage = "ack";
+                        processAckMessage(Sender, AddresseeAndMessage);
-                        ackMessage += AddresseeAndMessage.substring(AddresseeAndMessage.indexOf("{") + 1);
-                        ackMessage.trim();
-                        delay(4000);
-                        for (int i = Sender.length(); i < 9; i++) {
-                            Sender += ' ';
-                        }
-
-                        String ackPacket = Config.callsign;
-                        ackPacket += ">APLRG1,TCPIP,qAC::";
-                        ackPacket += Sender;
-                        ackPacket += ":";
-                        ackPacket += ackMessage;
-                        #ifdef HAS_A7670
-                            A7670_Utils::uploadToAPRSIS(ackPacket);
-                        #else
-                            upload(ackPacket);
-                        #endif
                         receivedMessage = AddresseeAndMessage.substring(AddresseeAndMessage.indexOf(":") + 1, AddresseeAndMessage.indexOf("{"));
                     } else {
                         receivedMessage = AddresseeAndMessage.substring(AddresseeAndMessage.indexOf(":") + 1);
                     }
                     if (receivedMessage.indexOf("?") == 0) {
                         Utils::println("Rx Query (APRS-IS)  : " + packet);
-                        Sender.trim();
                         String queryAnswer = QUERY_Utils::process(receivedMessage, Sender, true, false);
                         //Serial.println("---> QUERY Answer : " + queryAnswer.substring(0,queryAnswer.indexOf("\n")));
                         if (!Config.display.alwaysOn && Config.display.timeout != 0) {
                             displayToggle(true);
                         }
                         lastScreenOn = millis();
-                        delay(500);
                         #ifdef HAS_A7670
                             A7670_Utils::uploadToAPRSIS(queryAnswer);
                         #else

src/configuration.cpp

@@ -51,8 +51,9 @@ bool Configuration::writeFile() {
         data["wifi"]["autoAP"]["timeout"]           = wifiAutoAP.timeout;
 
         callsign.trim();
-        callsign.toUpperCase();
         data["callsign"]                            = callsign;
+        tacticalCallsign.trim();
+        data["tacticalCallsign"]                    = tacticalCallsign;
 
         data["aprs_is"]["active"]                   = aprs_is.active;
         data["aprs_is"]["passcode"]                 = aprs_is.passcode;
@@ -92,15 +93,31 @@ bool Configuration::writeFile() {
 
         data["lora"]["rxActive"]                    = loramodule.rxActive;
         data["lora"]["rxFreq"]                      = loramodule.rxFreq;
-        data["lora"]["rxSpreadingFactor"]           = loramodule.rxSpreadingFactor;
         data["lora"]["rxCodingRate4"]               = loramodule.rxCodingRate4;
         data["lora"]["rxSignalBandwidth"]           = loramodule.rxSignalBandwidth;
         data["lora"]["txActive"]                    = loramodule.txActive;      
         data["lora"]["txFreq"]                      = loramodule.txFreq;
-        data["lora"]["txSpreadingFactor"]           = loramodule.txSpreadingFactor;
         data["lora"]["txCodingRate4"]               = loramodule.txCodingRate4;
         data["lora"]["txSignalBandwidth"]           = loramodule.txSignalBandwidth;        
-        data["lora"]["power"]                       = loramodule.power;        
+        data["lora"]["power"]                       = loramodule.power;       
+        
+        int rxSpreadingFactor = loramodule.rxSpreadingFactor;
+        int txSpreadingFactor = loramodule.txSpreadingFactor;
+        #if defined(HAS_SX1276) || defined(HAS_SX1278)
+            const int minSF = 6, maxSF = 12;
+        #endif
+        #if defined(HAS_SX1262) || defined(HAS_SX1268)
+            const int minSF = 5, maxSF = 12;
+        #endif
+        #if defined(HAS_LLCC68)
+            const int minSF = 5, maxSF = 11;
+        #endif
+
+        rxSpreadingFactor = (rxSpreadingFactor < minSF) ? minSF : (rxSpreadingFactor > maxSF) ? maxSF : rxSpreadingFactor;
+        txSpreadingFactor = (txSpreadingFactor < minSF) ? minSF : (txSpreadingFactor > maxSF) ? maxSF : txSpreadingFactor;
+
+        data["lora"]["rxSpreadingFactor"]           = rxSpreadingFactor;
+        data["lora"]["txSpreadingFactor"]           = txSpreadingFactor;
 
         data["display"]["alwaysOn"]                 = display.alwaysOn;
         data["display"]["timeout"]                  = display.timeout;
@@ -204,6 +221,8 @@ bool Configuration::readFile() {
 
         if (!data.containsKey("callsign")) needsRewrite = true;
         callsign                        = data["callsign"] | "NOCALL-10";
+        if (!data.containsKey("tacticalCallsign")) needsRewrite = true;
+        tacticalCallsign                = data["tacticalCallsign"] | "";
         
         if (!data["aprs_is"].containsKey("active") ||
             !data["aprs_is"].containsKey("passcode") ||
@@ -431,6 +450,7 @@ void Configuration::setDefaultValues() {
     wifiAutoAP.timeout              = 10;
 
     callsign                        = "N0CALL-10";
+    tacticalCallsign                = "";
 
     aprs_is.active                  = false;
     aprs_is.passcode                = "XYZVW";

src/digi_utils.cpp

@@ -49,7 +49,7 @@ namespace DIGI_Utils {
             String tempPath = path;
 
             if (path.indexOf("WIDE1-1") != -1 && (Config.digi.mode == 2 || Config.digi.mode == 3)) {
-                tempPath.replace("WIDE1-1", Config.callsign + "*");
+                tempPath.replace("WIDE1-1", (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign) + "*");
             } else if (path.indexOf("WIDE2-") != -1 && Config.digi.mode == 3) {
                 if (path.indexOf(",WIDE1*") != -1) {
                     tempPath.remove(path.indexOf(",WIDE1*"), 7);
@@ -58,9 +58,9 @@ namespace DIGI_Utils {
                     tempPath.remove(path.indexOf("*"), 1);
                 }
                 if (path.indexOf("WIDE2-1") != -1) {
-                    tempPath.replace("WIDE2-1", Config.callsign + "*");
+                    tempPath.replace("WIDE2-1", (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign) + "*");
                 } else if (path.indexOf("WIDE2-2") != -1) {
-                    tempPath.replace("WIDE2-2", Config.callsign + "*,WIDE2-1");
+                    tempPath.replace("WIDE2-2", (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign) + "*,WIDE2-1");
                 } else {
                     return "";
                 }
@@ -84,7 +84,7 @@ namespace DIGI_Utils {
                 }
             }
             packetToRepeat += ",";
-            packetToRepeat += Config.callsign;
+            packetToRepeat += (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign);
             packetToRepeat += "*";
             packetToRepeat += APRS_IS_Utils::checkForStartingBytes(packet.substring(packet.indexOf(suffix)));
             return packetToRepeat;
@@ -147,8 +147,8 @@ namespace DIGI_Utils {
                 temp    = packet.substring(3);
                 Sender  = packet.substring(3, packet.indexOf(">"));
             }
-            if (Sender != Config.callsign) {        // Avoid listening to own packets
+            if (Sender != (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign)) {    // Avoid listening to own packets
-                if (!thirdPartyPacket && !Utils::checkValidCallsign(Sender)) {
+                if (!thirdPartyPacket && Config.tacticalCallsign == "" && !Utils::checkValidCallsign(Sender)) {
                     return;
                 }
                 if (STATION_Utils::check25SegBuffer(Sender, temp.substring(temp.indexOf(":") + 2))) {
@@ -159,7 +159,7 @@ namespace DIGI_Utils {
                         String AddresseeAndMessage  = temp.substring(temp.indexOf("::") + 2);
                         String Addressee            = AddresseeAndMessage.substring(0, AddresseeAndMessage.indexOf(":"));
                         Addressee.trim();
-                        if (Addressee == Config.callsign) {     // it's a message for me!
+                        if (Addressee == (Config.tacticalCallsign == "" ? Config.callsign : Config.tacticalCallsign)) {     // it's a message for me!
                             queryMessage = APRS_IS_Utils::processReceivedLoRaMessage(Sender, AddresseeAndMessage, thirdPartyPacket);
                         }
                     }

src/gps_utils.cpp

@@ -34,6 +34,7 @@
 extern Configuration    Config;
 extern HardwareSerial   gpsSerial;
 extern TinyGPSPlus      gps;
+extern bool             callsignIsValid;
 String                  distance, iGateBeaconPacket, iGateLoRaBeaconPacket;
 
 
@@ -44,18 +45,29 @@ namespace GPS_Utils {
     }
 
     void generateBeacons() {
-        if (Config.callsign.indexOf("NOCALL-10") != 0 && !Utils::checkValidCallsign(Config.callsign)) {
+        String beaconPacket = APRSPacketLib::generateBasePacket(Config.callsign, "APLRG1", Config.beacon.path);
-            displayShow("***** ERROR ******", "CALLSIGN = NOT VALID!", "", "Only Rx Mode Active", 3000);
+        String encodedGPS   = APRSPacketLib::encodeGPSIntoBase91(Config.beacon.latitude, Config.beacon.longitude, 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
-            Config.loramodule.txActive  = false;
+
-            Config.aprs_is.messagesToRF = false;
+        if (Config.callsign.indexOf("NOCALL-10") != 0) {
-            Config.aprs_is.objectsToRF  = false;
+            if (!callsignIsValid) {
+                displayShow("***** ERROR ******", "CALLSIGN = NOT VALID!", "", "Only Rx Mode Active", 3000);
+                Config.loramodule.txActive  = false;
+                Config.aprs_is.messagesToRF = false;
+                Config.aprs_is.objectsToRF  = false;
+                Config.beacon.sendViaRF     = false;
+                Config.digi.mode            = 0;
+                Config.backupDigiMode       = false;
+            } else if (callsignIsValid && Config.tacticalCallsign != "") {
+                beaconPacket = APRSPacketLib::generateBasePacket(Config.tacticalCallsign, "APLRG1", Config.beacon.path);
+                Config.aprs_is.active       = false;
+                Config.beacon.sendViaAPRSIS = false;
+                Config.backupDigiMode       = false;
+            }
+        } else {
+            Config.beacon.sendViaAPRSIS = false;
             Config.beacon.sendViaRF     = false;
-            Config.digi.mode            = 0;
-            Config.backupDigiMode       = false;
         }
-        String beaconPacket     = APRSPacketLib::generateBasePacket(Config.callsign, "APLRG1", Config.beacon.path);
+
-        String encodedGPS       = APRSPacketLib::encodeGPSIntoBase91(Config.beacon.latitude, Config.beacon.longitude, 0, 0, Config.beacon.symbol, false, 0, true, Config.beacon.ambiguityLevel);
-        
         iGateBeaconPacket       = beaconPacket;
         iGateBeaconPacket       += ",qAC:=";
         iGateBeaconPacket       += Config.beacon.overlay;

src/lora_utils.cpp

@@ -105,7 +105,7 @@ namespace LoRa_Utils {
          
         radio.setSpreadingFactor(Config.loramodule.rxSpreadingFactor);
         radio.setCodingRate(Config.loramodule.rxCodingRate4);
-        float signalBandwidth = Config.loramodule.rxSignalBandwidth/1000;
+        float signalBandwidth = Config.loramodule.rxSignalBandwidth / 1000;
         radio.setBandwidth(signalBandwidth);        
         radio.setCRC(true);
 
@@ -151,20 +151,20 @@ namespace LoRa_Utils {
     }
 
     void changeFreqTx() {
-        delay(300);
         float freq = (float)Config.loramodule.txFreq / 1000000;
         radio.setFrequency(freq);
         radio.setSpreadingFactor(Config.loramodule.txSpreadingFactor);
         radio.setCodingRate(Config.loramodule.txCodingRate4);
+        float signalBandwidth = Config.loramodule.txSignalBandwidth / 1000;
         radio.setBandwidth(Config.loramodule.txSignalBandwidth);
     }
 
     void changeFreqRx() {
-        delay(300);
         float freq = (float)Config.loramodule.rxFreq / 1000000;
         radio.setFrequency(freq);
         radio.setSpreadingFactor(Config.loramodule.rxSpreadingFactor);
         radio.setCodingRate(Config.loramodule.rxCodingRate4);
+        float signalBandwidth = Config.loramodule.rxSignalBandwidth / 1000;
         radio.setBandwidth(Config.loramodule.rxSignalBandwidth);
     }
 

src/power_utils.cpp

@@ -20,6 +20,7 @@
 #include "battery_utils.h"
 #include "board_pinout.h"
 #include "power_utils.h"
+#include "utils.h"
 
 #if defined(HAS_AXP192) || defined(HAS_AXP2101)
     #ifdef TTGO_T_Beam_S3_SUPREME_V3
@@ -43,6 +44,7 @@
 #endif
 
 extern Configuration    Config;
+extern bool             callsignIsValid;
 
 
 namespace POWER_Utils {
@@ -326,6 +328,7 @@ namespace POWER_Utils {
         delay(1000);
         BATTERY_Utils::setup();
         BATTERY_Utils::startupBatteryHealth();
+        callsignIsValid = Utils::checkValidCallsign(Config.callsign);
         setCpuFrequencyMhz(80);
     }
 

src/query_utils.cpp

@@ -41,7 +41,7 @@ namespace QUERY_Utils {
         String queryQuestion = query;
         queryQuestion.toUpperCase();
         if (queryQuestion == "?APRS?" || queryQuestion == "H" || queryQuestion == "HELP" || queryQuestion=="?") {
-            answer.concat("?APRSV ?APRSP ?APRSL ?APRSSSR ?EM=? ?TX=? "); // ?APRSH ?WHERE callsign
+            answer.concat("?APRSV ?APRSP ?APRSL ?APRSSR ?EM=? ?TX=? "); // ?APRSH ?WHERE callsign
         } else if (queryQuestion == "?APRSV") {
             answer.concat("CA2RXU_LoRa_iGate v");
             answer.concat(versionNumber);

src/utils.cpp

@@ -65,6 +65,7 @@ bool        sendStartTelemetry  = true;
 bool        beaconUpdate        = false;
 uint32_t    lastBeaconTx        = 0;
 uint32_t    lastScreenOn        = millis();
+bool        callsignIsValid     = false;
 String      beaconPacket;
 String      secondaryBeaconPacket;
 
@@ -120,7 +121,11 @@ namespace Utils {
         #ifdef INTERNAL_LED_PIN
             digitalWrite(INTERNAL_LED_PIN,LOW);
         #endif
-        firstLine   = Config.callsign;
+        if (Config.tacticalCallsign != "") {
+            firstLine = Config.tacticalCallsign;
+        } else {
+            firstLine = Config.callsign;
+        }
         seventhLine = "     listening...";
     }
 
@@ -187,6 +192,12 @@ namespace Utils {
             }
             beaconPacket            += Config.beacon.comment;
             secondaryBeaconPacket   += Config.beacon.comment;
+            if (callsignIsValid && Config.tacticalCallsign != "") {
+                beaconPacket            += " de ";
+                beaconPacket            += Config.callsign;
+                secondaryBeaconPacket   += " de ";
+                secondaryBeaconPacket   += Config.callsign;
+            }
 
             #if defined(BATTERY_PIN) || defined(HAS_AXP192) || defined(HAS_AXP2101)
                 if (Config.battery.sendInternalVoltage || Config.battery.monitorInternalVoltage) {

src/web_utils.cpp

@@ -160,6 +160,7 @@ namespace WEB_Utils {
         Config.startupDelay                 = getParamIntSafe("startupDelay", Config.startupDelay);
 
         Config.callsign                     = getParamStringSafe("callsign", Config.callsign);
+        Config.tacticalCallsign             = getParamStringSafe("tacticalCallsign", Config.tacticalCallsign);
         
         Config.wifiAutoAP.password          = getParamStringSafe("wifi.autoAP.password", Config.wifiAutoAP.password);
         Config.wifiAutoAP.timeout           = getParamIntSafe("wifi.autoAP.timeout", Config.wifiAutoAP.timeout);