sparkfun · nseidle · Oct 30, 2025 · Oct 30, 2025 · Oct 30, 2025
diff --git a/Firmware/RTK_Everywhere/AP-Config/index.html b/Firmware/RTK_Everywhere/AP-Config/index.html
@@ -362,6 +362,18 @@
                                 <span class="icon-info-circle text-primary ms-2"></span>
                             </span>
                         </div>
+                        <div class="form-group row">
+                            <label for="configurePPP" class="box-margin20 col-sm-3 col-5 col-form-label">Configure PPP:
+                                <span class="tt" data-bs-placement="right"
+                                    title="The configuration string for PPP. Enter values separated by spaces, not commas. Default: 2 1 120 0.10 0.15">
+                                    <span class="icon-info-circle text-primary ms-2"></span>
+                                </span>
+                            </label>
+                            <div class="col-sm-8 col-6">
+                                <input type="text" class="form-control" id="configurePPP">
+                                <p id="configurePPPError" class="inlineError"></p>
+                            </div>
+                        </div>
                     </div>
 
                     <div id="lg290pGnssSettings">

diff --git a/Firmware/RTK_Everywhere/AP-Config/src/main.js b/Firmware/RTK_Everywhere/AP-Config/src/main.js
@@ -876,7 +876,9 @@ function validateFields() {
     if (isElementShown("lg290pGnssSettings") == true) {
         checkElementValue("rtcmMinElev", -90, 90, "Must be between -90 and 90", "collapseGNSSConfig");
     }
-
+    if (ge("enableGalileoHas").checked == true) {
+        checkElementStringSpacesNoCommas("configurePPP", 1, 30, "Must be 1 to 30 characters. Separated by spaces. Commas not allowed", "collapseGNSSConfig");
+    }
     if (ge("enableNtripClient").checked == true) {
         checkElementString("ntripClientCasterHost", 1, 45, "Must be 1 to 45 characters", "collapseGNSSConfig");
         checkElementValue("ntripClientCasterPort", 1, 99999, "Must be 1 to 99999", "collapseGNSSConfig");
@@ -1379,6 +1381,19 @@ function checkElementString(id, min, max, errorText, collapseID) {
         clearError(id);
 }
 
+function checkElementStringSpacesNoCommas(id, min, max, errorText, collapseID) {
+    value = ge(id).value;
+    var commas = value.split(',');
+    var spaces = value.split(' ');
+    if ((value.length < min) || (value.length > max) || (commas.length > 1) || (spaces.length == 1)) {
+        ge(id + 'Error').innerHTML = 'Error: ' + errorText;
+        ge(collapseID).classList.add('show');
+        errorCount++;
+    }
+    else
+        clearError(id);
+}
+
 function checkElementIPAddress(id, errorText, collapseID) {
     value = ge(id).value;
     var data = value.split('.');

diff --git a/Firmware/RTK_Everywhere/GNSS_LG290P.h b/Firmware/RTK_Everywhere/GNSS_LG290P.h
@@ -450,7 +450,7 @@ class GNSS_LG290P : GNSS
   //   elevationDegrees: The elevation value in degrees
   bool setElevation(uint8_t elevationDegrees);
 
-  bool setHighAccuracyService(bool enableGalileoHas);
+  bool setHighAccuracyService(bool enableGalileoHas, const char *configurePPP);
 
   // Enable all the valid messages for this platform
   bool setMessages(int maxRetries);

diff --git a/Firmware/RTK_Everywhere/GNSS_LG290P.ino b/Firmware/RTK_Everywhere/GNSS_LG290P.ino
@@ -412,7 +412,7 @@ bool GNSS_LG290P::configureRover()
     if (settings.debugGnss && response == false)
         systemPrintln("configureRover: Set rate failed");
 
-    response &= setHighAccuracyService(settings.enableGalileoHas);
+    response &= setHighAccuracyService(settings.enableGalileoHas, (const char *)settings.configurePPP);
 
     response &= enableRTCMRover();
     if (settings.debugGnss && response == false)
@@ -528,7 +528,7 @@ bool GNSS_LG290P::configureBase()
 
     response &= setMinCnoRadio(settings.minCNO);
 
-    response &= setHighAccuracyService(settings.enableGalileoHas);
+    response &= setHighAccuracyService(settings.enableGalileoHas, (const char *)settings.configurePPP);
 
     response &= enableRTCMBase(); // Set RTCM messages
     if (settings.debugGnss && response == false)
@@ -1912,6 +1912,9 @@ void GNSS_LG290P::menuConstellations()
         {
             systemPrintf("%d) Galileo E6 Corrections: %s\r\n", MAX_LG290P_CONSTELLATIONS + 1,
                          settings.enableGalileoHas ? "Enabled" : "Disabled");
+            if (settings.enableGalileoHas)
+                systemPrintf("%d) PPP Configuration: \"%s\"\r\n", MAX_LG290P_CONSTELLATIONS + 2,
+                            settings.configurePPP);
         }
 
         systemPrintln("x) Exit");
@@ -1928,6 +1931,31 @@ void GNSS_LG290P::menuConstellations()
         {
             settings.enableGalileoHas ^= 1;
         }
+        else if ((incoming == MAX_LG290P_CONSTELLATIONS + 2) && present.galileoHasCapable && settings.enableGalileoHas)
+        {
+            systemPrintln("Enter the PPP configuration separated by spaces, not commas:");
+            char newConfig[sizeof(settings.configurePPP)];
+            getUserInputString(newConfig, sizeof(newConfig));
+            bool isValid = true;
+            int spacesSeen = 0;
+            for (size_t i = 0; i < strlen(newConfig); i++)
+            {
+                if ((isValid) && (newConfig[i] == ',')) // Check for no commas
+                {
+                    systemPrintln("Comma detected. Please try again");
+                    isValid = false;
+                }
+                if (newConfig[i] == ' ')
+                    spacesSeen++;
+            }
+            if ((isValid) && (spacesSeen < 4)) // Check for at least 4 spaces
+            {
+                systemPrintln("Configuration should contain at least 4 spaces");
+                isValid = false;
+            }
+            if (isValid)
+                snprintf(settings.configurePPP, sizeof(settings.configurePPP), "%s", newConfig);
+        }
         else if (incoming == INPUT_RESPONSE_GETNUMBER_EXIT)
             break;
         else if (incoming == INPUT_RESPONSE_GETNUMBER_TIMEOUT)
@@ -1939,7 +1967,7 @@ void GNSS_LG290P::menuConstellations()
     // Apply current settings to module
     gnss->setConstellations();
 
-    setHighAccuracyService(settings.enableGalileoHas);
+    setHighAccuracyService(settings.enableGalileoHas, (const char *)settings.configurePPP);
 
     clearBuffer(); // Empty buffer of any newline chars
 }
@@ -2415,7 +2443,7 @@ bool GNSS_LG290P::setElevation(uint8_t elevationDegrees)
 }
 
 //----------------------------------------
-bool GNSS_LG290P::setHighAccuracyService(bool enableGalileoHas)
+bool GNSS_LG290P::setHighAccuracyService(bool enableGalileoHas, const char *configurePPP)
 {
     bool result = true;
 
@@ -2429,7 +2457,9 @@ bool GNSS_LG290P::setHighAccuracyService(bool enableGalileoHas)
     {
         // $PQTMCFGPPP,W,2,1,120,0.10,0.15*68
         // Enable E6 HAS, WGS84, 120 timeout, 0.10m Horizontal convergence accuracy threshold, 0.15m Vertical threshold
-        if (_lg290p->sendOkCommand("$PQTMCFGPPP", ",W,2,1,120,0.10,0.15") == true)
+        char paramConfigurePPP[sizeof(settings.configurePPP) + 4];
+        snprintf(paramConfigurePPP, sizeof(paramConfigurePPP), ",W,%s", configPppSpacesToCommas(configurePPP));
+        if (_lg290p->sendOkCommand("$PQTMCFGPPP", paramConfigurePPP) == true)
         {
             systemPrintln("Galileo E6 HAS service enabled");
         }

diff --git a/Firmware/RTK_Everywhere/settings.h b/Firmware/RTK_Everywhere/settings.h
@@ -1111,6 +1111,7 @@ struct Settings
         254}; // Mark first record with key so defaults will be applied. Int value for each supported message - Report
               // rates for RTCM Base. Default to Quectel recommended rates.
     int lg290pMessageRatesPQTM[MAX_LG290P_PQTM_MSG] = {254}; // Mark first record with key so defaults will be applied.
+    char configurePPP[30] = "2 1 120 0.10 0.15"; // PQTMCFGPPP: 2,1,120,0.10,0.15 ** Use spaces, not commas! **
 #endif // COMPILE_LG290P
 
     bool debugSettings = false;
@@ -1849,6 +1850,7 @@ const RTK_Settings_Entry rtkSettingsEntries[] =
     { 0, 1, 1, 0, 0, 0, 0, 0, 1, L29, 1, tLgMRBaRT, MAX_LG290P_RTCM_MSG, & settings.lg290pMessageRatesRTCMBase, "messageRateRTCMBase_", gnssCmdUpdateMessageRates, },
     { 0, 1, 1, 0, 0, 0, 0, 0, 1, L29, 1, tLgMRRvRT, MAX_LG290P_RTCM_MSG, & settings.lg290pMessageRatesRTCMRover, "messageRateRTCMRover_", gnssCmdUpdateMessageRates, },
     { 0, 1, 1, 0, 0, 0, 0, 0, 1, L29, 1, tLgMRPqtm, MAX_LG290P_PQTM_MSG, & settings.lg290pMessageRatesPQTM, "messageRatePQTM_", gnssCmdUpdateMessageRates, },
+    { 1, 1, 0, 0, 0, 0, 0, 0, 1, L29, 1, tCharArry, sizeof(settings.configurePPP), & settings.configurePPP, "configurePPP", nullptr, },
 #endif  // COMPILE_LG290P
 
     { 0, 0, 0, 1, 1, 1, 1, 1, 1, ALL, 1, _bool,     0, & settings.debugSettings, "debugSettings", nullptr, },

diff --git a/Firmware/RTK_Everywhere/support.ino b/Firmware/RTK_Everywhere/support.ino
@@ -1208,3 +1208,13 @@ void WeekToWToUnixEpoch(uint64_t *unixEpoch, uint16_t GPSWeek, uint32_t GPSToW)
     *unixEpoch += GPSToW;                          // 518400
     *unixEpoch += 315964800;
 }
+
+const char *configPppSpacesToCommas(const char *config)
+{
+    static char commas[sizeof(settings.configurePPP)];
+    snprintf(commas, sizeof(commas), "%s", config);
+    for (size_t i = 0; i < strlen(commas); i++)
+        if (commas[i] == ' ')
+            commas[i] = ',';
+    return (const char *)commas;
+}