readme update

Correct logic of serial notifications for APRS-IS and RF beacons

.github/workflows/build.yml

@@ -33,6 +33,8 @@ jobs:
                       chip: esp32
                     - name: ESP32_DIY_1W_LoRa_915
                       chip: esp32
+                    - name: ESP32_DIY_1W_LoRa_LLCC68
+                      chip: esp32
                     - name: ESP32_DIY_1W_LoRa_Mesh_V1_2
                       chip: esp32
                     - name: ttgo-t-beam-v1_2
@@ -55,12 +57,16 @@ jobs:
                       chip: esp32s3
                     - name: heltec_ht-ct62
                       chip: esp32c3
+                    - name: heltec_wireless_paper
+                      chip: esp32s3
                     - name: OE5HWN_MeshCom
                       chip: esp32
                     - name: WEMOS-LOLIN32-OLED-DIY
                       chip: esp32
                     - name: WEMOS-D1-R32-RA02
                       chip: esp32
+                    - name: WEMOS_S2_MINI_DIY_LoRa
+                      chip: esp32s2
                     - name: esp32c3_DIY_1W_LoRa
                       chip: esp32c3
                     - name: esp32c3_DIY_1W_LoRa_915
@@ -108,6 +114,17 @@ jobs:
                       0xe000 installer/firmware/boot_app0.bin \
                       0x10000 installer/firmware/firmware.bin \
                       0x3D0000 installer/firmware/spiffs.bin
+                  elif [ "${{ matrix.target.chip }}" == "esp32s2" ]; then
+                    python installer/bin/esptool/esptool.py --chip esp32s2 merge_bin \
+                      -o installer/web_factory.bin \
+                      --flash_mode dio \
+                      --flash_freq 40m \
+                      --flash_size 4MB \
+                      0x1000 installer/firmware/bootloader.bin \
+                      0x8000 installer/firmware/partitions.bin \
+                      0xe000 installer/firmware/boot_app0.bin \
+                      0x10000 installer/firmware/firmware.bin \
+                      0x3D0000 installer/firmware/spiffs.bin
                   elif [ "${{ matrix.target.chip }}" == "esp32s3" ]; then
                     python installer/bin/esptool/esptool.py --chip esp32s3 merge_bin \
                       -o installer/web_factory.bin \

README.md

@@ -47,6 +47,10 @@ __(This iGate Firmware works with all LoRa Tracker Firmwares (specially this <a
 
 ## Timeline (Versions):
 
+- 2024.09.23 Libraries Update for SDK3
+- 2024.09.23 Added Enconded Telemetry for Battery (+ External Voltage) in Station GPS Beacon Packet. 
+- 2024.08.23 Wemos S2 Mini DIY LoRa added.
+- 2024.08.19 HELTEC Wireless Paper working (still missing Epaper code).
 - 2024.08.13 Web Authentication for WebUI. Thanks Mitja S57PNX.
 - 2024.08.05 WIDE2-n added to WIDE1-n in Digirepeater Modes.
 - 2024.06.27 External Voltage Divider Resistor configuration on WebUI. Thanks Tilen S54B.

data/igate_conf.json

@@ -54,7 +54,8 @@
         "monitorExternalVoltage": false,
         "externalSleepVoltage": 10.9,
         "voltageDividerR1": 100.0,
-        "voltageDividerR2": 27.0
+        "voltageDividerR2": 27.0,
+        "sendVoltageAsTelemetry": true
 	},
     "bme": {
         "active": false,

data_embed/index.html

@@ -973,6 +973,20 @@
                                                 >Send Internal Voltage</label
                                             >
                                         </div>
+                                        <div class="form-check form-switch">
+                                            <input
+                                                type="checkbox"
+                                                name="battery.sendVoltageAsTelemetry"
+                                                id="battery.sendVoltageAsTelemetry"
+                                                class="form-check-input"
+                                            />
+                                            <label
+                                                for="battery.sendVoltageAsTelemetry"
+                                                class="form-label"
+                                                style="font-style: italic;"
+                                                >(Send Voltage As Telemetry)</label   
+                                            >
+                                        </div>
                                         <div class="form-check form-switch mt-3">
                                             <input
                                                 type="checkbox"
@@ -1021,7 +1035,7 @@
                                                 >Send External Voltage</label
                                             >
                                         </div>
-                                        <div class="form-check form-switch mt-3">
+                                        <div class="form-check form-switch mt-5">
                                             <input
                                                 type="checkbox"
                                                 name="battery.monitorExternalVoltage"

data_embed/script.js

@@ -162,10 +162,11 @@ function loadSettings(settings) {
     document.getElementById("battery.internalSleepVoltage").value       = settings.battery.internalSleepVoltage.toFixed(1);
     document.getElementById("battery.sendExternalVoltage").checked      = settings.battery.sendExternalVoltage;
     document.getElementById("battery.externalVoltagePin").value         = settings.battery.externalVoltagePin;
-    document.getElementById("battery.voltageDividerR1").value                 = settings.battery.voltageDividerR1.toFixed(1);
-    document.getElementById("battery.voltageDividerR2").value                 = settings.battery.voltageDividerR2.toFixed(1);
+    document.getElementById("battery.voltageDividerR1").value           = settings.battery.voltageDividerR1.toFixed(1);
+    document.getElementById("battery.voltageDividerR2").value           = settings.battery.voltageDividerR2.toFixed(1);
     document.getElementById("battery.monitorExternalVoltage").checked   = settings.battery.monitorExternalVoltage;
     document.getElementById("battery.externalSleepVoltage").value       = settings.battery.externalSleepVoltage.toFixed(1);
+    document.getElementById("battery.sendVoltageAsTelemetry").checked   = settings.battery.sendVoltageAsTelemetry;
     
     // TELEMETRY BME/WX
     document.getElementById("bme.active").checked                       = settings.bme.active;

platformio.ini

@@ -37,9 +37,9 @@ lib_deps =
 	adafruit/Adafruit BMP280 Library @ 2.6.8
 	adafruit/Adafruit BME680 Library @ 2.0.4
 	adafruit/Adafruit Si7021 Library @ 1.5.3
-	ayushsharma82/ElegantOTA @ 3.1.1
-	ottowinter/ESPAsyncWebServer-esphome @ 3.2.2
-	esphome/AsyncTCP-esphome @ 2.1.1
+	ayushsharma82/ElegantOTA @ 3.1.5
+	mathieucarbou/ESPAsyncWebServer @ 3.2.3
+	mathieucarbou/AsyncTCP @ 3.2.5
 
 [env:ttgo-lora32-v21]
 board = ttgo-lora32-v21
@@ -93,7 +93,7 @@ lib_deps =
 	adafruit/Adafruit SSD1306 @ 2.5.10
 
 [env:heltec_wireless_stick]
-board = heltec_wifi_lora_32_V3
+board = esp32-s3-devkitc-1
 board_build.mcu = esp32s3
 build_flags = 
 	-Werror -Wall
@@ -177,6 +177,19 @@ lib_deps =
 	adafruit/Adafruit GFX Library @ 1.11.9
 	adafruit/Adafruit SSD1306 @ 2.5.10
 
+[env:ESP32_DIY_1W_LoRa_LLCC68]
+board = esp32dev
+build_flags = 
+	-Werror -Wall
+ 	-DESP32_DIY_1W_LoRa_LLCC68
+ 	-DHAS_LLCC68
+ 	-DHAS_1W_LORA
+	-DELEGANTOTA_USE_ASYNC_WEBSERVER=1
+lib_deps = 
+ 	${common.lib_deps}
+ 	adafruit/Adafruit GFX Library @ 1.11.9
+ 	adafruit/Adafruit SSD1306 @ 2.5.10
+
 [env:ESP32_DIY_1W_LoRa_Mesh_V1_2]
 board = esp32dev
 build_flags = 
@@ -305,6 +318,7 @@ lib_deps =
 	vshymanskyy/TinyGSM @ 0.12.0
 	vshymanskyy/StreamDebugger @ 1.0.1
 
+
 [env:heltec_wireless_tracker]
 board = esp32-s3-devkitc-1
 board_build.mcu = esp32s3
@@ -355,6 +369,19 @@ lib_deps =
 	adafruit/Adafruit GFX Library @ 1.11.9
 	adafruit/Adafruit SSD1306 @ 2.5.10
 
+[env:heltec_wireless_paper]
+board = esp32-s3-devkitc-1
+board_build.mcu = esp32s3
+build_flags =
+	-Werror -Wall
+	-DHELTEC_WP
+	-DHAS_SX1262
+	-DHAS_EPAPER
+	-DELEGANTOTA_USE_ASYNC_WEBSERVER=1
+lib_deps =
+	${common.lib_deps}
+
+
 [env:OE5HWN_MeshCom]
 board = esp32dev
 build_flags = 
@@ -392,6 +419,18 @@ lib_deps =
 	adafruit/Adafruit GFX Library @ 1.11.9
 	adafruit/Adafruit SSD1306 @ 2.5.10
 
+[env:WEMOS_S2_MINI_DIY_LoRa]
+board = lolin_s2_mini
+build_flags = 
+	-Werror -Wall
+	-DWEMOS_S2_MINI_DIY_LoRa
+	-DHAS_SX1278
+	-DELEGANTOTA_USE_ASYNC_WEBSERVER=1
+lib_deps = 
+	${common.lib_deps}
+	adafruit/Adafruit GFX Library @ 1.11.9
+	adafruit/Adafruit SSD1306 @ 2.5.10
+
 [env:esp32c3_DIY_1W_LoRa]
 board = esp32-c3-devkitm-1
 board_build.mcu = esp32c3

src/LoRa_APRS_iGate.cpp

@@ -38,7 +38,7 @@ ________________________________________________________________________________
     #include "A7670_utils.h"
 #endif
 
-String          versionDate             = "2024.08.14";
+String          versionDate             = "2024.09.23";
 Configuration   Config;
 WiFiClient      espClient;
 
@@ -61,7 +61,6 @@ String firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, seven
 void setup() {
     Serial.begin(115200);
     POWER_Utils::setup();
-    BATTERY_Utils::setup();
     Utils::setupDisplay();
     LoRa_Utils::setup();
     Utils::validateFreqs();

src/aprs_is_utils.cpp

@@ -59,7 +59,7 @@ namespace APRS_IS_Utils {
             aprsAuth += Config.callsign;
             aprsAuth += " pass ";
             aprsAuth += Config.aprs_is.passcode;
-            aprsAuth += " vers CA2RXU_LoRa_iGate 1.4 filter ";
+            aprsAuth += " vers CA2RXU_LoRa_iGate 2.0 filter ";
             aprsAuth += Config.aprs_is.filter;
             upload(aprsAuth);
             delay(200);
@@ -302,7 +302,7 @@ namespace APRS_IS_Utils {
                             A7670_Utils::uploadToAPRSIS(queryAnswer);
                         #else
                             upload(queryAnswer);
-                        #endif                        
+                        #endif
                         SYSLOG_Utils::log(2, queryAnswer, 0, 0.0, 0); // APRSIS TX
                         fifthLine = "APRS-IS ----> APRS-IS";
                         sixthLine = Config.callsign;

src/battery_utils.cpp

@@ -17,6 +17,8 @@ float   multiplyCorrection              = 0.035;
 
 float   voltageDividerTransformation    = 0.0;
 
+int     telemetryCounter                = random(1,999);
+
 
 #ifdef HAS_ADC_CALIBRATION
     #include <esp_adc_cal.h>
@@ -102,7 +104,7 @@ namespace BATTERY_Utils {
                 #if defined(HELTEC_WIRELESS_TRACKER)
                     digitalWrite(ADC_CTRL, HIGH);
                 #endif
-                #if defined(HELTEC_V3) || defined(HELTEC_V2) || defined(HELTEC_WSL_V3)
+                #if defined(HELTEC_V3) || defined(HELTEC_V2) || defined(HELTEC_WSL_V3) || defined(HELTEC_WP)
                     digitalWrite(ADC_CTRL, LOW);
                 #endif
             #endif
@@ -133,10 +135,15 @@ namespace BATTERY_Utils {
                 #if defined(HELTEC_WIRELESS_TRACKER)
                     digitalWrite(ADC_CTRL, LOW);
                 #endif
-                #if defined(HELTEC_V3) || defined(HELTEC_V2) || defined(HELTEC_WSL_V3)
+                #if defined(HELTEC_V3) || defined(HELTEC_V2) || defined(HELTEC_WSL_V3) || defined(HELTEC_WP)
                     digitalWrite(ADC_CTRL, HIGH);
                 #endif
+
+                #ifdef HELTEC_WP
+                double inputDivider = (1.0 / (10.0 + 10.0)) * 10.0;  // The voltage divider is a 10k + 10k resistor in series
+                #else
                 double inputDivider = (1.0 / (390.0 + 100.0)) * 100.0;  // The voltage divider is a 390k + 100k resistor in series, 100k on the low side.
+                #endif
                 return (((sampleSum/100) * adcReadingTransformation) / inputDivider) + 0.285; // Yes, this offset is excessive, but the ADC on the ESP32s3 is quite inaccurate and noisy. Adjust to own measurements.
             #else
                 #ifdef HAS_ADC_CALIBRATION
@@ -205,12 +212,57 @@ namespace BATTERY_Utils {
                 shouldSleepLowVoltage = true;
             }
         #endif
-        if (Config.battery.monitorExternalVoltage && checkExternalVoltage() < Config.battery.externalSleepVoltage + 0.1) {
-            shouldSleepLowVoltage = true;
-        }
+        #ifndef HELTEC_WP
+            if (Config.battery.monitorExternalVoltage && checkExternalVoltage() < Config.battery.externalSleepVoltage + 0.1) {
+                shouldSleepLowVoltage = true;
+            }
+        #endif
         if (shouldSleepLowVoltage) {
             Utils::checkSleepByLowBatteryVoltage(0);
         }
     }
 
+
+    String generateEncodedTelemetryBytes(float value, bool firstBytes, byte voltageType) {  // 0 = internal battery(0-4,2V) , 1 = external battery(0-15V)
+        String encodedBytes;
+        int tempValue;
+
+        if (firstBytes) {
+            tempValue = value;
+        } else {
+            switch (voltageType) {
+                case 0:
+                    tempValue = value * 100;           // Internal voltage calculation
+                    break;
+                case 1:
+                    tempValue = (value * 100) / 2;     // External voltage calculation
+                    break;
+                default:
+                    tempValue = value;
+                    break;
+            }
+        }        
+
+        int firstByte   = tempValue / 91;
+        tempValue       -= firstByte * 91;
+
+        encodedBytes    = char(firstByte + 33);
+        encodedBytes    += char(tempValue + 33);
+        return encodedBytes;
+    }
+
+
+    String generateEncodedTelemetry() {
+        String telemetry = "|";
+        telemetry += generateEncodedTelemetryBytes(telemetryCounter, true, 0);
+        telemetryCounter++;
+        if (telemetryCounter == 1000) {
+            telemetryCounter = 0;
+        }
+        if (Config.battery.sendInternalVoltage) telemetry += generateEncodedTelemetryBytes(checkInternalVoltage(), false, 0);
+        if (Config.battery.sendExternalVoltage) telemetry += generateEncodedTelemetryBytes(checkExternalVoltage(), false, 1);
+        telemetry += "|";
+        return telemetry;
+    }
+
 }

src/battery_utils.h

@@ -14,6 +14,9 @@ namespace BATTERY_Utils {
     void    checkIfShouldSleep(); // ????
     void    startupBatteryHealth();
 
+    String generateEncodedTelemetryBytes(float value, bool firstBytes, byte voltageType);
+    String generateEncodedTelemetry();
+
 }
 
 #endif

src/bme_utils.cpp

@@ -33,11 +33,11 @@ namespace BME_Utils {
         uint8_t err, addr;
         for(addr = 1; addr < 0x7F; addr++) {
             #if defined(HELTEC_V3) || defined(HELTEC_WSL_V3) || defined(HELTEC_WSL_V3_DISPLAY)
-            Wire1.beginTransmission(addr);
-            err = Wire1.endTransmission();
+                Wire1.beginTransmission(addr);
+                err = Wire1.endTransmission();
             #else
-            Wire.beginTransmission(addr);
-            err = Wire.endTransmission();
+                Wire.beginTransmission(addr);
+                err = Wire.endTransmission();
             #endif
             if (err == 0) {
                 //Serial.println(addr); this shows any connected board to I2C
@@ -216,7 +216,7 @@ namespace BME_Utils {
         String wx;
         if (isnan(newTemp) || isnan(newHum) || isnan(newPress)) {
             Serial.println("BME/BMP/Si7021 Module data failed");
-            wx = ".../...g...t...r...p...P...h..b.....";
+            wx = ".../...g...t...";
             fifthLine = "";
             return wx;
         } else {
@@ -246,7 +246,7 @@ namespace BME_Utils {
 
             wx = ".../...g...t";
             wx += tempStr;
-            wx += "r...p...P...h";
+            wx += "h";
             wx += humStr;
             wx += "b";
             wx += presStr;

src/boards_pinout.h

@@ -18,7 +18,7 @@
     #define RADIO_BUSY_PIN  26      // GPIO26   - SX1278 IRQ ---->DIO0
 #endif
 
-#if defined(HELTEC_V3) || defined(HELTEC_WSL_V3) || defined(HELTEC_WSL_V3_DISPLAY) || defined(HELTEC_WIRELESS_TRACKER) || defined(HELTEC_WS)
+#if defined(HELTEC_V3) || defined(HELTEC_WSL_V3) || defined(HELTEC_WSL_V3_DISPLAY) || defined(HELTEC_WIRELESS_TRACKER) || defined(HELTEC_WS) || defined(HELTEC_WP)
     #define RADIO_SCLK_PIN  9   // SX1262 SCK
     #define RADIO_MISO_PIN  11  // SX1262 MISO
     #define RADIO_MOSI_PIN  10  // SX1262 MOSI
@@ -28,7 +28,7 @@
     #define RADIO_BUSY_PIN  13  // SX1262 BUSY
 #endif
 
-#if defined(ESP32_DIY_1W_LoRa) || defined(ESP32_DIY_1W_LoRa_915)    // Ebyte E22 400M30S (SX1268) or E22 900M30S (SX1262)
+#if defined(ESP32_DIY_1W_LoRa) || defined(ESP32_DIY_1W_LoRa_915) || defined(ESP32_DIY_1W_LoRa_LLCC68)   // Ebyte E22 400M30S (SX1268) or E22 900M30S (SX1262) or E220 LLCC68
     #define RADIO_SCLK_PIN  18
     #define RADIO_MISO_PIN  19
     #define RADIO_MOSI_PIN  23
@@ -84,7 +84,7 @@
     #define RADIO_TXEN          13
 #endif
 
-#ifdef HELTEC_HTCT62
+#if defined(HELTEC_HTCT62)
     #define RADIO_SCLK_PIN  10   // SX1262 SCK
     #define RADIO_MISO_PIN  6    // SX1262 MISO
     #define RADIO_MOSI_PIN  7    // SX1262 MOSI
@@ -132,21 +132,30 @@
     #define RADIO_TXEN          7
 #endif
 
+#ifdef WEMOS_S2_MINI_DIY_LoRa
+    #define RADIO_SCLK_PIN  36
+    #define RADIO_MISO_PIN  37
+    #define RADIO_MOSI_PIN  35
+    #define RADIO_CS_PIN    34
+    #define RADIO_BUSY_PIN  38
+    #define RADIO_RST_PIN   33
+#endif
+
 
 // OLED 
-#if defined(TTGO_T_LORA32_V2_1) || defined(ESP32_DIY_LoRa) || defined(ESP32_DIY_1W_LoRa) || defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_Beam_V1_2) || defined(TTGO_T_Beam_V1_0_SX1268) || defined(TTGO_T_Beam_V1_2_SX1262) || defined(OE5HWN_MeshCom) || defined(ESP32_DIY_LoRa_A7670) || defined(TTGO_T_LORA32_V2_1_915) || defined(ESP32_DIY_LoRa_915) || defined(TTGO_T_Beam_V1_0_915) || defined(TTGO_T_Beam_V1_2_915) || defined(ESP32_DIY_LoRa_A7670_915) || defined(ESP32_DIY_1W_LoRa_915) || defined(ESP32_DIY_1W_LoRa_Mesh_V1_2)
+#if defined(TTGO_T_LORA32_V2_1) || defined(ESP32_DIY_LoRa) || defined(ESP32_DIY_1W_LoRa) || defined(TTGO_T_Beam_V1_0) || defined(TTGO_T_Beam_V1_2) || defined(TTGO_T_Beam_V1_0_SX1268) || defined(TTGO_T_Beam_V1_2_SX1262) || defined(OE5HWN_MeshCom) || defined(ESP32_DIY_LoRa_A7670) || defined(TTGO_T_LORA32_V2_1_915) || defined(ESP32_DIY_LoRa_915) || defined(TTGO_T_Beam_V1_0_915) || defined(TTGO_T_Beam_V1_2_915) || defined(ESP32_DIY_LoRa_A7670_915) || defined(ESP32_DIY_1W_LoRa_915) || defined(ESP32_DIY_1W_LoRa_LLCC68) || defined(ESP32_DIY_1W_LoRa_Mesh_V1_2)
     #define OLED_SDA    21
     #define OLED_SCL    22
     #define OLED_RST    -1      // Reset pin # (or -1 if sharing Arduino reset pin)
 #endif
 
-#ifdef HELTEC_V2
+#if defined(HELTEC_V2) || defined(HELTEC_WS)
     #define OLED_SDA    4
     #define OLED_SCL    15
     #define OLED_RST    16
 #endif
 
-#if defined(HELTEC_V3) || defined(HELTEC_WS)
+#if defined(HELTEC_V3)
     #define OLED_SDA    17
     #define OLED_SCL    18
     #define OLED_RST    21
@@ -158,7 +167,7 @@
     #define OLED_RST    -1
 #endif
 
-#if !defined(HELTEC_HTCT62) && !defined(HELTEC_WSL_V3) && !defined(ESP32C3_DIY_1W_LoRa) && !defined(ESP32C3_DIY_1W_LoRa_915)
+#if !defined(HELTEC_HTCT62) && !defined(HELTEC_WSL_V3) && !defined(ESP32C3_DIY_1W_LoRa) && !defined(ESP32C3_DIY_1W_LoRa_915) && !defined(WEMOS_S2_MINI_DIY_LoRa)
     #define HAS_DISPLAY
 #endif
 
@@ -166,6 +175,9 @@
 #ifdef HELTEC_HTCT62
     #define BATTERY_PIN         1
 #endif
+#ifdef WEMOS_S2_MINI_DIY_LoRa
+    #define INTERNAL_LED_PIN    15
+#endif
 #if defined(TTGO_T_LORA32_V2_1) || defined(TTGO_T_LORA32_V2_1_915)
     #define INTERNAL_LED_PIN    25      // Green Led
     #define BATTERY_PIN         35
@@ -179,7 +191,7 @@
     #define INTERNAL_LED_PIN    35
     #define BATTERY_PIN         1
     #define VEXT_CTRL           36
-    #define ADC_CTRL            37 // Heltec WSL_V3 just like Heltec WT
+    #define ADC_CTRL            37  
     #define BOARD_I2C_SDA       41
     #define BOARD_I2C_SCL       42
     #ifdef HELTEC_WSL_V3_DISPLAY
@@ -204,6 +216,21 @@
     #define BOARD_I2C_SCL       6
 #endif
 
+#ifdef HELTEC_WP
+    #define INTERNAL_LED_PIN    18
+    #define BATTERY_PIN         20
+    #define ADC_CTRL            19
+    #define VEXT_CTRL           45
+    #define BOARD_I2C_SDA       37
+    #define BOARD_I2C_SCL       36
+    #define EPAPER_BUSY         7
+    #define EPAPER_RST          6
+    #define EPAPER_DC           5
+    #define EPAPER_CS           4
+    #define EPAPER_SCL          3
+    #define EPAPER_SDA          2
+#endif
+
 #ifdef ESP32_C3_DIY_LoRa        // just testing!
     #define OLED_SDA         8
     #define OLED_SCL         9

src/configuration.cpp

@@ -65,6 +65,8 @@ void Configuration::writeFile() {
     data["battery"]["externalSleepVoltage"]     = battery.externalSleepVoltage;
     data["battery"]["voltageDividerR1"]         = battery.voltageDividerR1;
     data["battery"]["voltageDividerR2"]         = battery.voltageDividerR2;
+
+    data["battery"]["sendVoltageAsTelemetry"]   = battery.sendVoltageAsTelemetry;
     
     data["bme"]["active"]                       = bme.active;
     data["bme"]["heightCorrection"]             = bme.heightCorrection;
@@ -137,8 +139,8 @@ bool Configuration::readFile() {
         beacon.comment                  = data["beacon"]["comment"] | "LoRa APRS";
         beacon.interval                 = data["beacon"]["interval"] | 15;
         beacon.overlay                  = data["beacon"]["overlay"] | "L";
-        beacon.symbol                   = data["beacon"]["symbol"] | "a";     
-        beacon.path                     = data["beacon"]["path"] | "WIDE1-1";   
+        beacon.symbol                   = data["beacon"]["symbol"] | "a";
+        beacon.path                     = data["beacon"]["path"] | "WIDE1-1";
         beacon.sendViaAPRSIS            = data["beacon"]["sendViaAPRSIS"] | false;
         beacon.sendViaRF                = data["beacon"]["sendViaRF"] | false;
         
@@ -150,7 +152,7 @@ bool Configuration::readFile() {
         aprs_is.messagesToRF            = data["aprs_is"]["messagesToRF"] | false;
         aprs_is.objectsToRF             = data["aprs_is"]["objectsToRF"] | false;
         
-        digi.mode                       = data["digi"]["mode"].as<int>();
+        digi.mode                       = data["digi"]["mode"] | 0;
 
         loramodule.txFreq               = data["lora"]["txFreq"] | 433775000;
         loramodule.rxFreq               = data["lora"]["rxFreq"] | 433775000;
@@ -172,10 +174,12 @@ bool Configuration::readFile() {
         battery.sendExternalVoltage     = data["battery"]["sendExternalVoltage"] | false;
         battery.externalVoltagePin      = data["battery"]["externalVoltagePin"] | 34;
         battery.monitorExternalVoltage  = data["battery"]["monitorExternalVoltage"] | false;
-        battery.externalSleepVoltage    = data["battery"]["externalSleepVoltage"] | false;
+        battery.externalSleepVoltage    = data["battery"]["externalSleepVoltage"] | 10.9;
         battery.voltageDividerR1        = data["battery"]["voltageDividerR1"] | 100.0;
         battery.voltageDividerR2        = data["battery"]["voltageDividerR2"] | 27.0;
 
+        battery.sendVoltageAsTelemetry  = data["battery"]["sendVoltageAsTelemetry"] | true;
+
         bme.active                      = data["bme"]["active"] | false;
         bme.heightCorrection            = data["bme"]["heightCorrection"] | 0;
         bme.temperatureCorrection       = data["bme"]["temperatureCorrection"] | 0.0;
@@ -295,6 +299,8 @@ void Configuration::init() {
     battery.voltageDividerR1        = 100.0;
     battery.voltageDividerR2        = 27.0;
 
+    battery.sendVoltageAsTelemetry  = true;
+
     lowPowerMode                    = false;
     lowVoltageCutOff                = 0;
 

src/configuration.h

@@ -77,6 +77,7 @@ public:
     float   externalSleepVoltage;
     float   voltageDividerR1;
     float   voltageDividerR2;
+    bool    sendVoltageAsTelemetry;
 };
 
 class BME {

src/display.cpp

@@ -16,15 +16,19 @@
             #define lineSpacing     12
         #endif
     #else
-        #include <Adafruit_GFX.h>
-        #include <Adafruit_SSD1306.h>
-        #if defined(HELTEC_V3)
-            #define OLED_DISPLAY_HAS_RST_PIN
-        #endif
-        #ifdef HELTEC_WSL_V3_DISPLAY
-            Adafruit_SSD1306 display(128, 64, &Wire1, OLED_RST);
+        #if HAS_EPAPER
+            //
         #else
-            Adafruit_SSD1306 display(128, 64, &Wire, OLED_RST);
+            #include <Adafruit_GFX.h>
+            #include <Adafruit_SSD1306.h>
+            #if defined(HELTEC_V3) || defined(HELTEC_WS)
+                #define OLED_DISPLAY_HAS_RST_PIN
+            #endif
+            #ifdef HELTEC_WSL_V3_DISPLAY
+                Adafruit_SSD1306 display(128, 64, &Wire1, OLED_RST);
+            #else
+                Adafruit_SSD1306 display(128, 64, &Wire, OLED_RST);
+            #endif
         #endif
     #endif
 #endif
@@ -52,32 +56,32 @@ void displaySetup() {
             }
             tft.setTextFont(0);
             tft.fillScreen(TFT_BLACK);
-        #else    
-            #ifdef OLED_DISPLAY_HAS_RST_PIN
-                pinMode(OLED_RST, OUTPUT);
-                digitalWrite(OLED_RST, LOW);
-                delay(20);
-                digitalWrite(OLED_RST, HIGH);
-            #endif
+        #else
+            #if HAS_EPAPER
+                //
+            #else
+                #ifdef OLED_DISPLAY_HAS_RST_PIN
+                    pinMode(OLED_RST, OUTPUT);
+                    digitalWrite(OLED_RST, LOW);
+                    delay(20);
+                    digitalWrite(OLED_RST, HIGH);
+                #endif
 
-            #ifndef HELTEC_WSL_V3_DISPLAY
-                Wire.begin(OLED_SDA, OLED_SCL);
+                if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) { 
+                    Serial.println(F("SSD1306 allocation failed"));
+                    for(;;); // Don't proceed, loop forever
+                }
+                if (Config.display.turn180) {
+                    display.setRotation(2);
+                }
+                display.clearDisplay();
+                display.setTextColor(WHITE);
+                display.setTextSize(1);
+                display.setCursor(0, 0);
+                display.ssd1306_command(SSD1306_SETCONTRAST);
+                display.ssd1306_command(1);
+                display.display();
             #endif
-
-            if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) { 
-                Serial.println(F("SSD1306 allocation failed"));
-                for(;;); // Don't proceed, loop forever
-            }
-            if (Config.display.turn180) {
-                display.setRotation(2);
-            }
-            display.clearDisplay();
-            display.setTextColor(WHITE);
-            display.setTextSize(1);
-            display.setCursor(0, 0);
-            display.ssd1306_command(SSD1306_SETCONTRAST);
-            display.ssd1306_command(1);
-            display.display();
         #endif
         delay(1000);
     #endif
@@ -89,13 +93,21 @@ void displayToggle(bool toggle) {
             #ifdef HAS_TFT
                 digitalWrite(TFT_BL, HIGH);
             #else
-                display.ssd1306_command(SSD1306_DISPLAYON);
+                #if HAS_EPAPER
+                    // ... to be continued
+                #else
+                    display.ssd1306_command(SSD1306_DISPLAYON);
+                #endif
             #endif
         } else {
             #ifdef HAS_TFT
                 digitalWrite(TFT_BL, LOW);
             #else
-                display.ssd1306_command(SSD1306_DISPLAYOFF);
+                #if HAS_EPAPER
+                    // ... to be continued
+                #else
+                    display.ssd1306_command(SSD1306_DISPLAYOFF);
+                #endif
             #endif
         }
     #endif
@@ -145,18 +157,22 @@ void displayShow(const String& header, const String& line1, const String& line2,
                 tft.print(*lines[i]);
             }
         #else
-            display.clearDisplay();
-            display.setTextColor(WHITE);
-            display.setTextSize(1);
-            display.setCursor(0, 0);
-            display.println(header);
-            for (int i = 0; i < 3; i++) {
-                display.setCursor(0, 8 + (8 * i));
-                display.println(*lines[i]);
-            }
-            display.ssd1306_command(SSD1306_SETCONTRAST);
-            display.ssd1306_command(1);
-            display.display();
+            #ifdef HAS_EPAPER
+                // ... to be continued
+            #else
+                display.clearDisplay();
+                display.setTextColor(WHITE);
+                display.setTextSize(1);
+                display.setCursor(0, 0);
+                display.println(header);
+                for (int i = 0; i < 3; i++) {
+                    display.setCursor(0, 8 + (8 * i));
+                    display.println(*lines[i]);
+                }
+                display.ssd1306_command(SSD1306_SETCONTRAST);
+                display.ssd1306_command(1);
+                display.display();
+            #endif
         #endif
         delay(wait);
     #endif
@@ -179,19 +195,23 @@ void displayShow(const String& header, const String& line1, const String& line2,
                 tft.print(*lines[i]);
             }
         #else
-            display.clearDisplay();
-            display.setTextColor(WHITE);
-            display.setTextSize(2);
-            display.setCursor(0, 0);
-            display.println(header);
-            display.setTextSize(1);
-            for (int i = 0; i < 6; i++) {
-                display.setCursor(0, 16 + (8 * i));
-                display.println(*lines[i]);
-            }
-            display.ssd1306_command(SSD1306_SETCONTRAST);
-            display.ssd1306_command(1);
-            display.display();
+            #ifdef HAS_EPAPER
+                // ... to be continued
+            #else
+                display.clearDisplay();
+                display.setTextColor(WHITE);
+                display.setTextSize(2);
+                display.setCursor(0, 0);
+                display.println(header);
+                display.setTextSize(1);
+                for (int i = 0; i < 6; i++) {
+                    display.setCursor(0, 16 + (8 * i));
+                    display.println(*lines[i]);
+                }
+                display.ssd1306_command(SSD1306_SETCONTRAST);
+                display.ssd1306_command(1);
+                display.display();
+            #endif
         #endif
         delay(wait);
     #endif

src/gps_utils.cpp

@@ -50,7 +50,7 @@ namespace GPS_Utils {
             encodedData += helper_base91[i];
         }
         encodedData += symbol;
-        encodedData += " x";
+        encodedData += "  ";
         encodedData += "\x47";
         return encodedData;
     }

src/lora_utils.cpp

@@ -18,18 +18,18 @@ bool transmitFlag    = true;
 #ifdef HAS_SX1262
     SX1262 radio = new Module(RADIO_CS_PIN, RADIO_DIO1_PIN, RADIO_RST_PIN, RADIO_BUSY_PIN);
 #endif
-
 #ifdef HAS_SX1268
     SX1268 radio = new Module(RADIO_CS_PIN, RADIO_DIO1_PIN, RADIO_RST_PIN, RADIO_BUSY_PIN);
 #endif
-
 #ifdef HAS_SX1278
     SX1278 radio = new Module(RADIO_CS_PIN, RADIO_BUSY_PIN, RADIO_RST_PIN);
 #endif
-
 #ifdef HAS_SX1276
     SX1276 radio = new Module(RADIO_CS_PIN, RADIO_BUSY_PIN, RADIO_RST_PIN);
 #endif
+#if defined(HAS_LLCC68)         //LLCC68 supports spreading factor only in range of 5-11!
+    LLCC68 radio = new Module(RADIO_CS_PIN, RADIO_DIO1_PIN, RADIO_RST_PIN, RADIO_BUSY_PIN);
+#endif
 
 int rssi, freqError;
 float snr;
@@ -53,7 +53,7 @@ namespace LoRa_Utils {
             Utils::println("Starting LoRa failed! State: " + String(state));
             while (true);
         }
-        #if defined(HAS_SX1262) || defined(HAS_SX1268)
+        #if defined(HAS_SX1262) || defined(HAS_SX1268) || defined(HAS_LLCC68)
             if (!Config.lowPowerMode) {
                 radio.setDio1Action(setFlag);
             } else {
@@ -73,7 +73,7 @@ namespace LoRa_Utils {
             radio.setRfSwitchPins(RADIO_RXEN, RADIO_TXEN);
         #endif
 
-        #ifdef HAS_1W_LORA  // Ebyte E22 400M30S (SX1268) / 900M30S (SX1262)
+        #ifdef HAS_1W_LORA  // Ebyte E22 400M30S (SX1268) / 900M30S (SX1262) / Ebyte E220 400M30S (LLCC68)
             state = radio.setOutputPower(Config.loramodule.power); // max value 20dB for 1W modules as they have Low Noise Amp
             radio.setCurrentLimit(140); // to be validated (100 , 120, 140)?
         #endif
@@ -86,7 +86,7 @@ namespace LoRa_Utils {
             radio.setCurrentLimit(140);
         #endif
 
-        #if defined(HAS_SX1262) || defined(HAS_SX1268)
+        #if defined(HAS_SX1262) || defined(HAS_SX1268) || defined(HAS_LLCC68)
             radio.setRxBoostedGainMode(true);
         #endif
 

src/power_utils.cpp

@@ -154,22 +154,29 @@ namespace POWER_Utils {
             #ifndef HELTEC_WSL_V3
                 digitalWrite(VEXT_CTRL, HIGH);
             #endif
+            #ifdef HELTEC_WP
+                digitalWrite(VEXT_CTRL, LOW);
+            #endif
         #endif
         
         #ifdef ADC_CTRL
             pinMode(ADC_CTRL, OUTPUT);
         #endif
 
-        #ifdef HELTEC_WIRELESS_TRACKER
+        #if defined(HELTEC_WIRELESS_TRACKER)
             Wire.begin(BOARD_I2C_SDA, BOARD_I2C_SCL);
         #endif
 
-        #if defined(HELTEC_V3) || defined(HELTEC_WSL_V3) || defined(HELTEC_WSL_V3_DISPLAY)
+        #if defined(HELTEC_V3) || defined(HELTEC_WP) || defined(HELTEC_WSL_V3) || defined(HELTEC_WSL_V3_DISPLAY)
             Wire1.begin(BOARD_I2C_SDA, BOARD_I2C_SCL);
         #endif
+
+        #if defined(HELTEC_V3) || defined(HELTEC_WS)
+            Wire.begin(OLED_SDA, OLED_SCL);
+        #endif
         
         delay(1000);
-
+        BATTERY_Utils::setup();
         BATTERY_Utils::startupBatteryHealth();
     }
 

src/query_utils.cpp

@@ -1,13 +1,14 @@
 #include "configuration.h"
+#include "station_utils.h"
 #include "query_utils.h"
 #include "lora_utils.h"
 
-extern Configuration        Config;
-extern std::vector<String>  lastHeardStation;
-extern String               versionDate;
-extern int                  rssi;
-extern float                snr;
-extern int                  freqError;
+extern Configuration                    Config;
+extern std::vector<LastHeardStation>    lastHeardStations;
+extern String                           versionDate;
+extern int                              rssi;
+extern float                            snr;
+extern int                              freqError;
 
 
 namespace QUERY_Utils {
@@ -19,7 +20,7 @@ namespace QUERY_Utils {
         if (queryQuestion == "?APRS?" || queryQuestion == "H" || queryQuestion == "HELP" || queryQuestion=="?") {
             answer.concat("?APRSV ?APRSP ?APRSL ?APRSH ?WHERE callsign");
         } else if (queryQuestion == "?APRSV") {
-            answer.concat("CA2RXU_LoRa_iGate 1.4 v");
+            answer.concat("CA2RXU_LoRa_iGate 2.0 v");
             answer.concat(versionDate);
         } else if (queryQuestion == "?APRSP") {
             answer.concat("iGate QTH: ");
@@ -27,13 +28,13 @@ namespace QUERY_Utils {
             answer.concat(" ");
             answer.concat(String(Config.beacon.longitude,3));
         } else if (queryQuestion == "?APRSL") {
-            if (lastHeardStation.size() == 0) {
+            if (lastHeardStations.size() == 0) {
                 char answerArray[50];
                 snprintf(answerArray, sizeof(answerArray), "No Station Listened in the last %d min.", Config.rememberStationTime);
                 answer.concat(answerArray);
             } else {
-                for (int i=0; i<lastHeardStation.size(); i++) {
-                    answer += lastHeardStation[i].substring(0,lastHeardStation[i].indexOf(",")) + " ";
+                for (int i=0; i<lastHeardStations.size(); i++) {
+                    answer += lastHeardStations[i].station + " ";
                 }
                 answer.trim();
             }

src/station_utils.cpp

@@ -1,4 +1,5 @@
 #include "station_utils.h"
+#include "battery_utils.h"
 #include "aprs_is_utils.h"
 #include "configuration.h"
 #include "lora_utils.h"
@@ -8,27 +9,26 @@
 extern Configuration            Config;
 extern uint32_t                 lastRxTime;
 extern String                   fourthLine;
+extern bool                     shouldSleepLowVoltage;
 
 uint32_t lastTxTime             = millis();
-std::vector<String>             lastHeardStation;
+std::vector<LastHeardStation>   lastHeardStations;
 std::vector<String>             outputPacketBuffer;
-std::vector<String>             packet25SegBuffer;
+std::vector<Packet25SegBuffer>  packet25SegBuffer;
 
 
 namespace STATION_Utils {
 
     void deleteNotHeard() {
-        std::vector<String>  lastHeardStation_temp;
-        for (int i = 0; i < lastHeardStation.size(); i++) {
-            String deltaTimeString = lastHeardStation[i].substring(lastHeardStation[i].indexOf(",") + 1);
-            uint32_t deltaTime = deltaTimeString.toInt();
-            if ((millis() - deltaTime) < Config.rememberStationTime * 60 * 1000) {
-                lastHeardStation_temp.push_back(lastHeardStation[i]);
+        std::vector<LastHeardStation>  lastHeardStation_temp;
+        for (int i = 0; i < lastHeardStations.size(); i++) {
+            if (millis() - lastHeardStations[i].lastHeardTime < Config.rememberStationTime * 60 * 1000) {
+                lastHeardStation_temp.push_back(lastHeardStations[i]);
             }
         }
-        lastHeardStation.clear();
+        lastHeardStations.clear();
         for (int j = 0; j < lastHeardStation_temp.size(); j++) {
-            lastHeardStation.push_back(lastHeardStation_temp[j]);
+            lastHeardStations.push_back(lastHeardStation_temp[j]);
         }
         lastHeardStation_temp.clear();
     }
@@ -36,29 +36,32 @@ namespace STATION_Utils {
     void updateLastHeard(const String& station) {
         deleteNotHeard();
         bool stationHeard = false;
-        for (int i = 0; i < lastHeardStation.size(); i++) {
-            if (lastHeardStation[i].substring(0, lastHeardStation[i].indexOf(",")) == station) {
-                lastHeardStation[i] = station + "," + String(millis());
+        for (int i = 0; i < lastHeardStations.size(); i++) {
+            if (lastHeardStations[i].station == station) {
+                lastHeardStations[i].lastHeardTime = millis();
                 stationHeard = true;
             }
         }
         if (!stationHeard) {
-            lastHeardStation.push_back(station + "," + String(millis()));
+            LastHeardStation lastStation;
+            lastStation.lastHeardTime   = millis();
+            lastStation.station         = station;
+            lastHeardStations.push_back(lastStation);
         }
 
         fourthLine = "Stations (";
         fourthLine += String(Config.rememberStationTime);
         fourthLine += "min) = ";
-        if (lastHeardStation.size() < 10) {
+        if (lastHeardStations.size() < 10) {
             fourthLine += " ";
         }
-        fourthLine += String(lastHeardStation.size());
+        fourthLine += String(lastHeardStations.size());
     }
 
     bool wasHeard(const String& station) {
         deleteNotHeard();
-        for (int i = 0; i < lastHeardStation.size(); i++) {
-            if (lastHeardStation[i].substring(0, lastHeardStation[i].indexOf(",")) == station) {
+        for (int i = 0; i < lastHeardStations.size(); i++) {
+            if (lastHeardStations[i].station == station) {
                 Utils::println(" ---> Listened Station");
                 return true;
             }
@@ -69,35 +72,31 @@ namespace STATION_Utils {
 
     void clean25SegBuffer() {
         if (!packet25SegBuffer.empty()) {
-            String deltaTimeString = packet25SegBuffer[0].substring(0, packet25SegBuffer[0].indexOf(","));
-            uint32_t deltaTime = deltaTimeString.toInt();
-            if ((millis() - deltaTime) >  25 * 1000) {
+            if ((millis() - packet25SegBuffer[0].receivedTime) >  25 * 1000) {
                 packet25SegBuffer.erase(packet25SegBuffer.begin());
             }
         }
     }
 
     bool check25SegBuffer(const String& station, const String& textMessage) {
+        bool shouldBeIgnored = false;
         if (!packet25SegBuffer.empty()) {
-            bool shouldBeIgnored = false;
             for (int i = 0; i < packet25SegBuffer.size(); i++) {
-                const String& temp          = packet25SegBuffer[i].substring(packet25SegBuffer[i].indexOf(",") + 1);
-                const String& bufferStation = temp.substring(0, temp.indexOf(","));
-                const String& bufferMessage = temp.substring(temp.indexOf(",") + 1);
-                if (bufferStation == station && bufferMessage == textMessage) {
+                if (packet25SegBuffer[i].station == station && packet25SegBuffer[i].payload == textMessage) {
                     shouldBeIgnored = true;
                 }
             }
-            if (shouldBeIgnored) {
-                return false;
-            } else {
-                packet25SegBuffer.push_back(String(millis()) + "," + station + "," + textMessage);
-                return true;
-            }
+        }
+        if (shouldBeIgnored) {
+            return false;
         } else {
-            packet25SegBuffer.push_back(String(millis()) + "," + station + "," + textMessage);
+            Packet25SegBuffer packet;
+            packet.receivedTime = millis();
+            packet.station      = station;
+            packet.payload      = textMessage;
+            packet25SegBuffer.push_back(packet);
             return true;
-        }    
+        }
     }
 
     void processOutputPacketBuffer() {
@@ -109,6 +108,13 @@ namespace STATION_Utils {
             outputPacketBuffer.erase(outputPacketBuffer.begin());
             lastTxTime = millis();
         }
+        if (shouldSleepLowVoltage) {
+            while (outputPacketBuffer.size() > 0) {
+                LoRa_Utils::sendNewPacket(outputPacketBuffer[0]);
+                outputPacketBuffer.erase(outputPacketBuffer.begin());
+                delay(4000);
+            }
+        }
     }
 
     void addToOutputPacketBuffer(const String& packet) {

src/station_utils.h

@@ -1,9 +1,22 @@
 #ifndef STATION_UTILS_H_
 #define STATION_UTILS_H_
 
+
 #include <Arduino.h>
 
 
+struct Packet25SegBuffer {
+    uint32_t    receivedTime;
+    String      station;
+    String      payload;
+};
+
+struct LastHeardStation {
+    uint32_t    lastHeardTime;
+    String      station;
+};
+
+
 namespace STATION_Utils {
 
     void deleteNotHeard();

src/tnc_utils.cpp

@@ -29,7 +29,7 @@ namespace TNC_Utils {
     }
 
     void checkNewClients() {
-        WiFiClient new_client = tncServer.available();
+        WiFiClient new_client = tncServer.accept();
         if (new_client.connected()) {
             for (int i = 0; i < MAX_CLIENTS; i++) {
                 WiFiClient* client = clients[i];

src/utils.cpp

@@ -25,7 +25,6 @@ extern String               sixthLine;
 extern String               seventhLine;
 extern String               iGateBeaconPacket;
 extern String               iGateLoRaBeaconPacket;
-extern std::vector<String>  lastHeardStation;
 extern int                  rssi;
 extern float                snr;
 extern int                  freqError;
@@ -36,7 +35,10 @@ extern bool                 backUpDigiMode;
 extern bool                 shouldSleepLowVoltage;
 extern bool                 transmitFlag;
 
+extern std::vector<LastHeardStation>    lastHeardStations;
+
 bool        statusAfterBoot     = true;
+bool        sendStartTelemetry  = true;
 bool        beaconUpdate        = true;
 uint32_t    lastBeaconTx        = 0;
 uint32_t    lastScreenOn        = millis();
@@ -60,7 +62,6 @@ namespace Utils {
             statusAfterBoot = false;
         }
         if (statusAfterBoot && !Config.beacon.sendViaAPRSIS && Config.beacon.sendViaRF) {
-            delay(2000);
             status.concat(":>https://github.com/richonguzman/LoRa_APRS_iGate ");
             status.concat(versionDate);
             STATION_Utils::addToOutputPacketBuffer(status);
@@ -96,12 +97,82 @@ namespace Utils {
         fourthLine = "Stations (";
         fourthLine.concat(String(Config.rememberStationTime));
         fourthLine.concat("min) = ");
-        if (lastHeardStation.size() < 10) {
+        if (lastHeardStations.size() < 10) {
             fourthLine += " ";
         }
-        fourthLine.concat(String(lastHeardStation.size()));
+        fourthLine.concat(String(lastHeardStations.size()));
     }
 
+
+    void sendInitialTelemetryPackets() {
+        String sender = Config.callsign;
+        for (int i = sender.length(); i < 9; i++) {
+            sender += ' ';
+        }
+        String baseAPRSISTelemetryPacket = Config.callsign;
+        baseAPRSISTelemetryPacket += ">APLRG1,TCPIP,qAC::";
+        baseAPRSISTelemetryPacket += sender;
+        baseAPRSISTelemetryPacket += ":";
+
+        String baseRFTelemetryPacket = Config.callsign;
+        baseRFTelemetryPacket += ">APLRG1,WIDE1-1::";
+        baseRFTelemetryPacket += sender;
+        baseRFTelemetryPacket += ":";
+
+
+        String telemetryPacket1 = "EQNS.";
+        if (Config.battery.sendInternalVoltage) {
+            telemetryPacket1 += "0,0.01,0";
+        }
+        if (Config.battery.sendExternalVoltage) {
+            telemetryPacket1 += String(Config.battery.sendInternalVoltage ? "," : "") + "0,0.02,0";
+        }
+
+        String telemetryPacket2 = "UNIT.";
+        if (Config.battery.sendInternalVoltage) {
+            telemetryPacket2 += "VDC";
+        }
+        if (Config.battery.sendExternalVoltage) {
+            telemetryPacket2 += String(Config.battery.sendInternalVoltage ? "," : "") + "VDC";
+        }
+
+        String telemetryPacket3 = "PARM.";
+        if (Config.battery.sendInternalVoltage) {
+            telemetryPacket3 += "V_Batt";
+        }
+        if (Config.battery.sendExternalVoltage) {
+            telemetryPacket3 += String(Config.battery.sendInternalVoltage ? "," : "") + "V_Ext";
+        }
+
+        if (Config.beacon.sendViaAPRSIS) {
+            #ifdef HAS_A7670
+                A7670_Utils::uploadToAPRSIS(baseAPRSISTelemetryPacket + telemetryPacket1);
+                delay(300);
+                A7670_Utils::uploadToAPRSIS(baseAPRSISTelemetryPacket + telemetryPacket2);
+                delay(300);
+                A7670_Utils::uploadToAPRSIS(baseAPRSISTelemetryPacket + telemetryPacket3);
+                delay(300);
+            #else
+                APRS_IS_Utils::upload(baseAPRSISTelemetryPacket + telemetryPacket1);
+                delay(300);
+                APRS_IS_Utils::upload(baseAPRSISTelemetryPacket + telemetryPacket2);
+                delay(300);
+                APRS_IS_Utils::upload(baseAPRSISTelemetryPacket + telemetryPacket3);
+                delay(300);
+            #endif
+            delay(300);
+        } else if (Config.beacon.sendViaRF) {
+            LoRa_Utils::sendNewPacket(baseRFTelemetryPacket + telemetryPacket1);
+            delay(3000);
+            LoRa_Utils::sendNewPacket(baseRFTelemetryPacket + telemetryPacket2);
+            delay(3000);
+            LoRa_Utils::sendNewPacket(baseRFTelemetryPacket + telemetryPacket3);
+            delay(3000);
+        }
+        sendStartTelemetry = false;
+    }            
+
+
     void checkBeaconInterval() {
         uint32_t lastTx = millis() - lastBeaconTx;
         if (lastBeaconTx == 0 || lastTx >= Config.beacon.interval * 60 * 1000) {
@@ -112,8 +183,11 @@ namespace Utils {
             if (!Config.display.alwaysOn && Config.display.timeout != 0) {
                 displayToggle(true);
             }
-            Utils::println("-- Sending Beacon to APRSIS --");
 
+            if (sendStartTelemetry && Config.battery.sendVoltageAsTelemetry && !Config.bme.active && (Config.battery.sendInternalVoltage || Config.battery.sendExternalVoltage)) {
+                sendInitialTelemetryPackets();
+            }
+            
             STATION_Utils::deleteNotHeard();
 
             activeStations();
@@ -125,8 +199,8 @@ namespace Utils {
                 beaconPacket += sensorData;
                 secondaryBeaconPacket += sensorData;
             } else if (Config.bme.active && wxModuleType == 0) {
-                beaconPacket += ".../...g...t...r...p...P...h..b.....";
-                secondaryBeaconPacket += ".../...g...t...r...p...P...h..b.....";
+                beaconPacket += ".../...g...t...";
+                secondaryBeaconPacket += ".../...g...t...";
             }
             beaconPacket            += Config.beacon.comment;
             secondaryBeaconPacket   += Config.beacon.comment;
@@ -134,44 +208,59 @@ namespace Utils {
             #if defined(BATTERY_PIN) || defined(HAS_AXP192) || defined(HAS_AXP2101)
                 if (Config.battery.sendInternalVoltage || Config.battery.monitorInternalVoltage) {
                     float internalVoltage       = BATTERY_Utils::checkInternalVoltage();
-                    String internalVoltageInfo  = String(internalVoltage,2) + "V";
-                    if (Config.battery.sendInternalVoltage) {
-                        beaconPacket            += " Batt=";
-                        beaconPacket            += internalVoltageInfo;
-                        secondaryBeaconPacket   += " Batt=";
-                        secondaryBeaconPacket   += internalVoltageInfo;
-                        sixthLine               = "    (Batt=";
-                        sixthLine               += internalVoltageInfo;
-                        sixthLine               += ")";
-                    }
                     if (Config.battery.monitorInternalVoltage && internalVoltage < Config.battery.internalSleepVoltage) {
                         beaconPacket            += " **IntBatWarning:SLEEP**";
                         secondaryBeaconPacket   += " **IntBatWarning:SLEEP**";
                         shouldSleepLowVoltage   = true;
+                    }
+
+                    String internalVoltageInfo  = String(internalVoltage,2) + "V";
+                    if (Config.battery.sendInternalVoltage) {
+                        sixthLine               = "    (Batt=";
+                        sixthLine               += internalVoltageInfo;
+                        sixthLine               += ")";
+                        if (!Config.battery.sendVoltageAsTelemetry) {
+                            beaconPacket            += " Batt=";
+                            beaconPacket            += internalVoltageInfo;
+                            secondaryBeaconPacket   += " Batt=";
+                            secondaryBeaconPacket   += internalVoltageInfo;
+                        }
+                    }      
+                }
+            #endif
+
+            #ifndef HELTEC_WP
+                if (Config.battery.sendExternalVoltage || Config.battery.monitorExternalVoltage) {
+                    float externalVoltage       = BATTERY_Utils::checkExternalVoltage();
+                    if (Config.battery.monitorExternalVoltage && externalVoltage < Config.battery.externalSleepVoltage) {
+                        beaconPacket            += " **ExtBatWarning:SLEEP**";
+                        secondaryBeaconPacket   += " **ExtBatWarning:SLEEP**";
+                        shouldSleepLowVoltage   = true;
+                    }
+
+                    String externalVoltageInfo  = String(externalVoltage,2) + "V";
+                    if (Config.battery.sendExternalVoltage) {
+                        sixthLine               = "    (Ext V=";
+                        sixthLine               += externalVoltageInfo;
+                        sixthLine               += ")";
+                        if (!Config.battery.sendVoltageAsTelemetry) {
+                            beaconPacket            += " Ext=";
+                            beaconPacket            += externalVoltageInfo;
+                            secondaryBeaconPacket   += " Ext=";
+                            secondaryBeaconPacket   += externalVoltageInfo;
+                        }                        
                     }                    
                 }
             #endif
 
-            if (Config.battery.sendExternalVoltage || Config.battery.monitorExternalVoltage) {
-                float externalVoltage       = BATTERY_Utils::checkExternalVoltage();
-                String externalVoltageInfo  = String(externalVoltage,2) + "V";
-                if (Config.battery.sendExternalVoltage) {
-                    beaconPacket            += " Ext=";
-                    beaconPacket            += externalVoltageInfo;
-                    secondaryBeaconPacket   += " Ext=";
-                    secondaryBeaconPacket   += externalVoltageInfo;
-                    sixthLine               = "    (Ext V=";
-                    sixthLine               += externalVoltageInfo;
-                    sixthLine               += ")";
-                }
-                if (Config.battery.monitorExternalVoltage && externalVoltage < Config.battery.externalSleepVoltage) {
-                    beaconPacket            += " **ExtBatWarning:SLEEP**";
-                    secondaryBeaconPacket   += " **ExtBatWarning:SLEEP**";
-                    shouldSleepLowVoltage   = true;
-                }
+            if (Config.battery.sendVoltageAsTelemetry && !Config.bme.active && (Config.battery.sendInternalVoltage || Config.battery.sendExternalVoltage)){
+                String encodedTelemetry = BATTERY_Utils::generateEncodedTelemetry();
+                beaconPacket += encodedTelemetry;
+                secondaryBeaconPacket += encodedTelemetry;
             }
 
             if (Config.aprs_is.active && Config.beacon.sendViaAPRSIS && !backUpDigiMode) {
+                Utils::println("-- Sending Beacon to APRSIS --");
                 displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, "SENDING IGATE BEACON", 0); 
                 seventhLine = "     listening...";
                 #ifdef HAS_A7670
@@ -182,6 +271,7 @@ namespace Utils {
             }
 
             if (Config.beacon.sendViaRF || backUpDigiMode) {
+                Utils::println("-- Sending Beacon to RF --");
                 displayShow(firstLine, secondLine, thirdLine, fourthLine, fifthLine, sixthLine, "SENDING DIGI BEACON", 0);
                 seventhLine = "     listening...";
                 STATION_Utils::addToOutputPacketBuffer(secondaryBeaconPacket);
@@ -244,7 +334,7 @@ namespace Utils {
         } else if (packet[firstColonIndex + 1] == '>') {
             sixthLine += "> NEW STATUS";
             seventhLine = seventhLineHelper;
-        } else if (packet[firstColonIndex + 1] == '!' || packet[firstColonIndex + 1] == '=') {
+        } else if (packet[firstColonIndex + 1] == '!' || packet[firstColonIndex + 1] == '=' || packet[firstColonIndex + 1] == '@') {
             sixthLine += "> GPS BEACON";
             if (!Config.syslog.active) {
                 GPS_Utils::getDistanceAndComment(packet);       // to be checked!!!
@@ -307,12 +397,12 @@ namespace Utils {
 
     void checkSleepByLowBatteryVoltage(uint8_t mode) {
         if (shouldSleepLowVoltage) {
-            if (mode == 0) {
+            if (mode == 0) {    // at startup
                 delay(3000);
             }
             Serial.println("\n\n*** Sleeping Low Battey Voltage ***\n\n");
             esp_sleep_enable_timer_wakeup(30 * 60 * 1000000); // sleep 30 min
-            if (mode == 1) {
+            if (mode == 1) {    // low voltage detected after a while
                 displayToggle(false);
             }
             #ifdef VEXT_CTRL

src/web_utils.cpp

@@ -52,13 +52,13 @@ namespace WEB_Utils {
         if(Config.webadmin.active && !request->authenticate(Config.webadmin.username.c_str(), Config.webadmin.password.c_str()))
             return request->requestAuthentication();
 
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/html", (const uint8_t*)web_index_html, web_index_html_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "text/html", (const uint8_t*)web_index_html, web_index_html_len);
         response->addHeader("Content-Encoding", "gzip");
         request->send(response);
     }
 
     void handleFavicon(AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "image/x-icon", (const uint8_t*)favicon_data, favicon_data_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "image/x-icon", (const uint8_t*)favicon_data, favicon_data_len);
         response->addHeader("Content-Encoding", "gzip");
         request->send(response);
     }
@@ -167,6 +167,8 @@ namespace WEB_Utils {
         }
         Config.battery.monitorExternalVoltage   = request->hasParam("battery.monitorExternalVoltage", true);
         Config.battery.externalSleepVoltage     = request->getParam("battery.externalSleepVoltage", true)->value().toFloat();
+
+        Config.battery.sendVoltageAsTelemetry   = request->hasParam("battery.sendVoltageAsTelemetry", true);
         
         Config.bme.active                   = request->hasParam("bme.active", true);
         Config.bme.heightCorrection         = request->getParam("bme.heightCorrection", true)->value().toInt();
@@ -230,26 +232,26 @@ namespace WEB_Utils {
     }
 
     void handleStyle(AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/css", (const uint8_t*)web_style_css, web_style_css_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "text/css", (const uint8_t*)web_style_css, web_style_css_len);
         response->addHeader("Content-Encoding", "gzip");
         request->send(response);
     }
 
     void handleScript(AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/javascript", (const uint8_t*)web_script_js, web_script_js_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "text/javascript", (const uint8_t*)web_script_js, web_script_js_len);
         response->addHeader("Content-Encoding", "gzip");
         request->send(response);
     }
 
     void handleBootstrapStyle(AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/css", (const uint8_t*)web_bootstrap_css, web_bootstrap_css_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "text/css", (const uint8_t*)web_bootstrap_css, web_bootstrap_css_len);
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", "max-age=3600");
         request->send(response);
     }
 
     void handleBootstrapScript(AsyncWebServerRequest *request) {
-        AsyncWebServerResponse *response = request->beginResponse_P(200, "text/javascript", (const uint8_t*)web_bootstrap_js, web_bootstrap_js_len);
+        AsyncWebServerResponse *response = request->beginResponse(200, "text/javascript", (const uint8_t*)web_bootstrap_js, web_bootstrap_js_len);
         response->addHeader("Content-Encoding", "gzip");
         response->addHeader("Cache-Control", "max-age=3600");
         request->send(response);

src/wifi_utils.cpp

@@ -70,6 +70,8 @@ namespace WIFI_Utils {
             startAP = true;
         } else {
             uint8_t wifiCounter = 0;
+            String hostName = "iGATE-" + Config.callsign;
+            WiFi.setHostname(hostName.c_str());
             WiFi.mode(WIFI_STA);
             WiFi.disconnect();
             delay(500);