Update to .26

Updated the frequency selection formula

src/configuration.h

@@ -145,7 +145,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define DISABLE_NTP
 
 // Disable the welcome screen and allow 
-// #define DISABLE_WELCOME_UNSET
+#define DISABLE_WELCOME_UNSET
 
 // -----------------------------------------------------------------------------
 // OLED & Input

src/gps/GeoCoord.cpp

@@ -379,7 +379,7 @@ float GeoCoord::latLongToMeter(double lat_a, double lng_a, double lat_b, double
  * Latitude of the second point
  * @param lon2
  * Longitude of the second point
- * @return Bearing between the two points in radians. A value of 0 means due
+ * @return Bearing from point 1 to point 2 in radians. A value of 0 means due
  * north.
  */
 float GeoCoord::bearing(double lat1, double lon1, double lat2, double lon2)

src/mesh/NodeDB.cpp

@@ -89,26 +89,7 @@ bool NodeDB::resetRadioConfig()
 
     // radioConfig.has_preferences = true;
     if (config.device.factory_reset) {
-        DEBUG_MSG("Performing factory reset!\n");
+       didFactoryReset = factoryReset();
-        // first, remove the "/prefs" (this removes most prefs)
-        rmDir("/prefs");
-        // second, install default state (this will deal with the duplicate mac address issue)
-        installDefaultDeviceState();
-        // third, write to disk
-        saveToDisk();
-#ifndef NO_ESP32
-        // This will erase what's in NVS including ssl keys, persistant variables and ble pairing
-        nvs_flash_erase();
-#endif
-#ifdef NRF52_SERIES
-        Bluefruit.begin();
-        DEBUG_MSG("Clearing bluetooth bonds!\n");
-        bond_print_list(BLE_GAP_ROLE_PERIPH);
-        bond_print_list(BLE_GAP_ROLE_CENTRAL);
-        Bluefruit.Periph.clearBonds();
-        Bluefruit.Central.clearBonds();
-#endif
-        didFactoryReset = true;
     }
 
     if (channelFile.channels_count != MAX_NUM_CHANNELS) {
@@ -142,8 +123,33 @@ bool NodeDB::resetRadioConfig()
     return didFactoryReset;
 }
 
+bool NodeDB::factoryReset() 
+{
+    DEBUG_MSG("Performing factory reset!\n");
+    // first, remove the "/prefs" (this removes most prefs)
+    rmDir("/prefs");
+    // second, install default state (this will deal with the duplicate mac address issue)
+    installDefaultDeviceState();
+    // third, write to disk
+    saveToDisk();
+#ifndef NO_ESP32
+    // This will erase what's in NVS including ssl keys, persistant variables and ble pairing
+    nvs_flash_erase();
+#endif
+#ifdef NRF52_SERIES
+    Bluefruit.begin();
+    DEBUG_MSG("Clearing bluetooth bonds!\n");
+    bond_print_list(BLE_GAP_ROLE_PERIPH);
+    bond_print_list(BLE_GAP_ROLE_CENTRAL);
+    Bluefruit.Periph.clearBonds();
+    Bluefruit.Central.clearBonds();
+#endif
+    return true;
+}
+
 void NodeDB::installDefaultConfig()
 {
+    DEBUG_MSG("Installing default LocalConfig\n");
     memset(&config, 0, sizeof(LocalConfig));
     config.version = DEVICESTATE_CUR_VER;
     config.has_device = true;
@@ -164,25 +170,28 @@ void NodeDB::installDefaultConfig()
 
 void NodeDB::installDefaultModuleConfig()
 {
+    DEBUG_MSG("Installing default ModuleConfig\n");
     memset(&moduleConfig, 0, sizeof(ModuleConfig));
     moduleConfig.version = DEVICESTATE_CUR_VER;
-    moduleConfig.has_canned_message = true;
-    moduleConfig.has_external_notification = true;
     moduleConfig.has_mqtt = true;
     moduleConfig.has_range_test = true;
     moduleConfig.has_serial = true;
     moduleConfig.has_store_forward = true;
     moduleConfig.has_telemetry = true;
+    moduleConfig.has_external_notification = true;
+    moduleConfig.has_canned_message = true;
 }
 
 void NodeDB::installDefaultChannels()
 {
+    DEBUG_MSG("Installing default ChannelFile\n");
     memset(&channelFile, 0, sizeof(ChannelFile));
     channelFile.version = DEVICESTATE_CUR_VER;
 }
 
 void NodeDB::installDefaultDeviceState()
 {
+    DEBUG_MSG("Installing default DeviceState\n");
     memset(&devicestate, 0, sizeof(DeviceState));
 
     *numNodes = 0; // Forget node DB
@@ -209,23 +218,17 @@ void NodeDB::installDefaultDeviceState()
 
     sprintf(owner.id, "!%08x", getNodeNum()); // Default node ID now based on nodenum
     memcpy(owner.macaddr, ourMacAddr, sizeof(owner.macaddr));
-
-    installDefaultChannels();
-    installDefaultConfig();
 }
 
 void NodeDB::init()
 {
-    installDefaultDeviceState();
+    DEBUG_MSG("Initializing NodeDB\n");
-
     // saveToDisk();
     loadFromDisk();
-    // saveToDisk();
 
     myNodeInfo.max_channels = MAX_NUM_CHANNELS; // tell others the max # of channels we can understand
 
-    myNodeInfo.error_code =
+    myNodeInfo.error_code = CriticalErrorCode_None; // For the error code, only show values from this boot (discard value from flash)
-        CriticalErrorCode_None; // For the error code, only show values from this boot (discard value from flash)
     myNodeInfo.error_address = 0;
 
     // likewise - we always want the app requirements to come from the running appload
@@ -259,8 +262,8 @@ void NodeDB::init()
 #endif
 
     resetRadioConfig(); // If bogus settings got saved, then fix them
-
     DEBUG_MSG("region=%d, NODENUM=0x%x, dbsize=%d\n", config.lora.region, myNodeInfo.my_node_num, *numNodes);
+    saveToDisk();
 }
 
 // We reserve a few nodenums for future use
@@ -290,10 +293,10 @@ void NodeDB::pickNewNodeNum()
     myNodeInfo.my_node_num = r;
 }
 
-static const char *preffile = "/prefs/db.proto";
+static const char *prefFileName = "/prefs/db.proto";
-static const char *configfile = "/prefs/config.proto";
+static const char *configFileName = "/prefs/config.proto";
-static const char *moduleConfigfile = "/prefs/module.proto";
+static const char *moduleConfigFileName = "/prefs/module.proto";
-static const char *channelfile = "/prefs/channels.proto";
+static const char *channelFileName = "/prefs/channels.proto";
 
 /** Load a protobuf from a file, return true for success */
 bool loadProto(const char *filename, size_t protoSize, size_t objSize, const pb_msgdesc_t *fields, void *dest_struct)
@@ -330,7 +333,7 @@ bool loadProto(const char *filename, size_t protoSize, size_t objSize, const pb_
 void NodeDB::loadFromDisk()
 {
     // static DeviceState scratch; We no longer read into a tempbuf because this structure is 15KB of valuable RAM
-    if (!loadProto(preffile, DeviceState_size, sizeof(devicestate), DeviceState_fields, &devicestate)) {
+    if (!loadProto(prefFileName, DeviceState_size, sizeof(devicestate), DeviceState_fields, &devicestate)) {
         installDefaultDeviceState(); // Our in RAM copy might now be corrupt
     } else {
         if (devicestate.version < DEVICESTATE_MIN_VER) {
@@ -353,7 +356,7 @@ void NodeDB::loadFromDisk()
         }
     }
 
-    if (!loadProto(configfile, LocalConfig_size, sizeof(LocalConfig), LocalConfig_fields, &config)) {
+    if (!loadProto(configFileName, LocalConfig_size, sizeof(LocalConfig), LocalConfig_fields, &config)) {
         installDefaultConfig(); // Our in RAM copy might now be corrupt
     } else {
         if (config.version < DEVICESTATE_MIN_VER) {
@@ -364,7 +367,7 @@ void NodeDB::loadFromDisk()
         }
     }
 
-    if (!loadProto(moduleConfigfile, LocalModuleConfig_size, sizeof(LocalModuleConfig), LocalModuleConfig_fields, &moduleConfig)) {
+    if (!loadProto(moduleConfigFileName, LocalModuleConfig_size, sizeof(LocalModuleConfig), LocalModuleConfig_fields, &moduleConfig)) {
         installDefaultModuleConfig(); // Our in RAM copy might now be corrupt
     } else {
         if (moduleConfig.version < DEVICESTATE_MIN_VER) {
@@ -375,7 +378,7 @@ void NodeDB::loadFromDisk()
         }
     }
 
-    if (!loadProto(channelfile, ChannelFile_size, sizeof(ChannelFile), ChannelFile_fields, &channelFile)) {
+    if (!loadProto(channelFileName, ChannelFile_size, sizeof(ChannelFile), ChannelFile_fields, &channelFile)) {
         installDefaultChannels(); // Our in RAM copy might now be corrupt
     } else {
         if (channelFile.version < DEVICESTATE_MIN_VER) {
@@ -428,7 +431,7 @@ void NodeDB::saveChannelsToDisk()
 #ifdef FSCom
         FSCom.mkdir("/prefs");
 #endif
-        saveProto(channelfile, ChannelFile_size, sizeof(ChannelFile), ChannelFile_fields, &channelFile);
+        saveProto(channelFileName, ChannelFile_size, sizeof(ChannelFile), ChannelFile_fields, &channelFile);
     }
 }
 
@@ -438,7 +441,7 @@ void NodeDB::saveToDisk()
 #ifdef FSCom
         FSCom.mkdir("/prefs");
 #endif
-        saveProto(preffile, DeviceState_size, sizeof(devicestate), DeviceState_fields, &devicestate);
+        saveProto(prefFileName, DeviceState_size, sizeof(devicestate), DeviceState_fields, &devicestate);
 
         // save all config segments
         config.has_device = true;
@@ -447,7 +450,7 @@ void NodeDB::saveToDisk()
         config.has_position = true;
         config.has_power = true;
         config.has_wifi = true;
-        saveProto(configfile, LocalConfig_size, sizeof(LocalConfig), LocalConfig_fields, &config);
+        saveProto(configFileName, LocalConfig_size, sizeof(LocalConfig), LocalConfig_fields, &config);
 
         moduleConfig.has_canned_message = true;
         moduleConfig.has_external_notification = true;
@@ -456,10 +459,9 @@ void NodeDB::saveToDisk()
         moduleConfig.has_serial = true;
         moduleConfig.has_store_forward = true;
         moduleConfig.has_telemetry = true;
-        saveProto(moduleConfigfile, LocalModuleConfig_size, sizeof(LocalModuleConfig), LocalModuleConfig_fields, &moduleConfig);
+        saveProto(moduleConfigFileName, LocalModuleConfig_size, sizeof(LocalModuleConfig), LocalModuleConfig_fields, &moduleConfig);
 
         saveChannelsToDisk();
-
     } else {
         DEBUG_MSG("***** DEVELOPMENT MODE - DO NOT RELEASE - not saving to flash *****\n");
     }

src/mesh/NodeDB.h

@@ -119,6 +119,8 @@ class NodeDB
         newStatus.notifyObservers(&status);
     }
 
+    bool factoryReset();
+
     /// read our db from flash
     void loadFromDisk();
 

src/mesh/RadioInterface.cpp

@@ -35,8 +35,15 @@ const RegionInfo regions[] = {
         https://www.legislation.gov.uk/uksi/1999/930/schedule/6/part/III/made/data.xht?view=snippet&wrap=true
 
         audio_permitted = false per regulation
+
+        Special Note:
+        The link above describes LoRaWAN's band plan, stating a power limit of 16 dBm. This is their own suggested specification,
+        we do not need to follow it. The European Union regulations clearly state that the power limit for this frequency range is 500 mW, or 27 dBm.
+        It also states that we can use interference avoidance and spectrum access techniques to avoid a duty cycle.
+        (Please refer to section 4.21 in the following document)
+        https://ec.europa.eu/growth/tools-databases/tris/index.cfm/ro/search/?trisaction=search.detail&year=2021&num=528&dLang=EN
      */
-    RDEF(EU868, 869.4f, 869.65f, 10, 0, 16, false, false),
+    RDEF(EU868, 869.4f, 869.65f, 10, 0, 27, false, false),
 
     /*
         https://lora-alliance.org/wp-content/uploads/2020/11/lorawan_regional_parameters_v1.0.3reva_0.pdf
@@ -414,14 +421,18 @@ void RadioInterface::applyModemConfig()
     // If user has manually specified a channel num, then use that, otherwise generate one by hashing the name
     const char *channelName = channels.getName(channels.getPrimaryIndex());
     int channel_num = channelSettings.channel_num ? channelSettings.channel_num - 1 : hash(channelName) % numChannels;
-    float freq = myRegion->freqStart + ((((myRegion->freqEnd - myRegion->freqStart) / numChannels) / 2) * channel_num);
+
+    // Old frequency selection formula
+    // float freq = myRegion->freqStart + ((((myRegion->freqEnd - myRegion->freqStart) / numChannels) / 2) * channel_num);
+
+    // New frequency selection formula
+    float freq = myRegion->freqStart + (bw / 2) + ( channel_num * bw);
 
     saveChannelNum(channel_num);
-    saveFreq(freq);
+    saveFreq(freq + config.lora.frequency_offset);
 
-    DEBUG_MSG("Set radio: name=%s, config=%u, ch=%d, power=%d\n", channelName, loraConfig.modem_preset, channel_num, power);
+    DEBUG_MSG("Set radio: region=%s, name=%s, config=%u, ch=%d, power=%d\n", myRegion->name, channelName, loraConfig.modem_preset, channel_num, power);
-    DEBUG_MSG("Radio myRegion->freqStart / myRegion->freqEnd: %f -> %f (%f mhz)\n", myRegion->freqStart, myRegion->freqEnd,
+    DEBUG_MSG("Radio myRegion->freqStart / myRegion->freqEnd: %f -> %f (%f mhz)\n", myRegion->freqStart, myRegion->freqEnd, myRegion->freqEnd - myRegion->freqStart);
-              myRegion->freqEnd - myRegion->freqStart);
     DEBUG_MSG("Radio myRegion->numChannels: %d\n", numChannels);
     DEBUG_MSG("Radio channel_num: %d\n", channel_num);
     DEBUG_MSG("Radio frequency: %f\n", getFreq());

src/modules/PositionModule.cpp

@@ -171,23 +171,26 @@ int32_t PositionModule::runOnce()
 
                 // Yes, this has a bunch of magic numbers. Sorry. This is to make the scale non-linear.
                 const float distanceTravelMath = 1203 / (sqrt(pow(myNodeInfo.bitrate, 1.5) / 1.1));
-                uint32_t distanceTravel =
+                uint32_t distanceTravelThreshold =
                     (distanceTravelMath >= distanceTravelMinimum) ? distanceTravelMath : distanceTravelMinimum;
 
                 // Yes, this has a bunch of magic numbers. Sorry.
                 uint32_t timeTravel =
                     ((1500 / myNodeInfo.bitrate) >= timeTravelMinimum) ? (1500 / myNodeInfo.bitrate) : timeTravelMinimum;
-
+                // If the distance traveled since the last update is greater than distanceTravelMinimum meters
-                // If the distance traveled since the last update is greater than 100 meters
+                //   and it's been at least timeTravelMinimum seconds since the last update
-                //   and it's been at least 60 seconds since the last update
+                if ((abs(distance) >= distanceTravelThreshold) && (now - lastGpsSend) >= (timeTravel * 1000)) {
-                if ((abs(distance) >= distanceTravel) && (now - lastGpsSend >= timeTravel * 1000)) {
                     bool requestReplies = currentGeneration != radioGeneration;
                     currentGeneration = radioGeneration;
 
-                    DEBUG_MSG("Sending smart pos@%x:6 to mesh (wantReplies=%d, dt=%d, tt=%d)\n", node2->position.pos_timestamp,
+                    DEBUG_MSG("Sending smart pos@%x:6 to mesh (wantReplies=%d, d=%d, dtt=%d, tt=%d)\n", node2->position.pos_timestamp,
-                              requestReplies, distanceTravel, timeTravel);
+                              requestReplies, distance, distanceTravelThreshold, timeTravel);
                     sendOurPosition(NODENUM_BROADCAST, requestReplies);
 
+                    // Set the current coords as our last ones, after we've compared distance with current and decided to send
+                    lastGpsLatitude = node->position.latitude_i;
+                    lastGpsLongitude = node->position.longitude_i;
+
                     /* Update lastGpsSend to now. This means if the device is stationary, then
                        getPref_position_broadcast_secs will still apply.
                     */

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -196,11 +196,13 @@ void EnvironmentTelemetryModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiSt
     }
     display->drawString(x, y += fontHeight(FONT_MEDIUM) - 2, "From: " + String(lastSender) + "(" + String(agoSecs) + "s)");
     display->drawString(x, y += fontHeight(FONT_SMALL) - 2,
-                        "Temp/Hum: " + last_temp + " / " +
+        "Temp/Hum: " + last_temp + " / " + String(lastMeasurement.variant.environment_metrics.relative_humidity, 0) + "%");
-                            String(lastMeasurement.variant.environment_metrics.relative_humidity, 0) + "%");
     if (lastMeasurement.variant.environment_metrics.barometric_pressure != 0)
         display->drawString(x, y += fontHeight(FONT_SMALL),
-                            "Press: " + String(lastMeasurement.variant.environment_metrics.barometric_pressure, 0) + "hPA");
+            "Press: " + String(lastMeasurement.variant.environment_metrics.barometric_pressure, 0) + "hPA");
+    if (lastMeasurement.variant.environment_metrics.voltage != 0)
+        display->drawString(x, y += fontHeight(FONT_SMALL),
+            "Volt/Cur: " + String(lastMeasurement.variant.environment_metrics.voltage, 0) + "V / " + String(lastMeasurement.variant.environment_metrics.current, 0) + "mA");
 }
 
 bool EnvironmentTelemetryModule::handleReceivedProtobuf(const MeshPacket &mp, Telemetry *t)

src/modules/esp32/RangeTestModule.h

@@ -28,7 +28,10 @@ class RangeTestModuleRadio : public SinglePortModule
     uint32_t lastRxID = 0;
 
   public:
-    RangeTestModuleRadio() : SinglePortModule("RangeTestModuleRadio", PortNum_TEXT_MESSAGE_APP) {}
+    RangeTestModuleRadio() : SinglePortModule("RangeTestModuleRadio", PortNum_TEXT_MESSAGE_APP)
+    {
+        loopbackOk = true; // Allow locally generated messages to loop back to the client
+    }
 
     /**
      * Send our payload into the mesh
@@ -50,7 +53,8 @@ class RangeTestModuleRadio : public SinglePortModule
 
     /** Called to handle a particular incoming message
 
-    @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for it
+    @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for
+    it
     */
     virtual ProcessMessage handleReceived(const MeshPacket &mp) override;
 };

src/mqtt/MQTT.cpp

@@ -356,7 +356,7 @@ String MQTT::downstreamPacketToJson(MeshPacket *mp)
                                 {"payload", msgPayload}};
 
     // serialize and return it
-    std::string jsonStr = jsonObj.dump();
+    static std::string jsonStr = jsonObj.dump();
     DEBUG_MSG("serialized json message: %s\n", jsonStr.c_str());
 
     return jsonStr.c_str();

version.properties

@@ -1,4 +1,4 @@
 [VERSION]  
 major = 1
 minor = 3
-build = 22
+build = 26