Add Hydra specific target to define GPS EN pin and limit tx power (#2608)

* Use DIO2 bridged to TXEN and remove TX/RXEN pin switching altogether

* Add Hydra specific target to limit tx power and define GPS EN

* Whoops

.github/workflows/main_matrix.yml

@@ -66,6 +66,7 @@ jobs:
           - board: heltec-v2_1
           - board: tbeam0_7
           - board: meshtastic-diy-v1
+          - board: hydra
           - board: meshtastic-dr-dev
           - board: nano-g1
           - board: station-g1
@@ -83,6 +84,7 @@ jobs:
         include:
           - board: heltec-v3
           - board: heltec-wsl-v3
+          - board: heltec-wireless-tracker
           - board: tbeam-s3-core
           - board: tlora-t3s3-v1
     uses: ./.github/workflows/build_esp32_s3.yml
@@ -249,7 +251,7 @@ jobs:
 
       - name: Create request artifacts
         if: ${{ github.event_name == 'pull_request_target' || github.event_name == 'pull_request' }}
-        uses: gavv/pull-request-artifacts@v1.0.0
+        uses: gavv/pull-request-artifacts@v1.1.0
         with:
           commit: ${{ (github.event.pull_request_target || github.event.pull_request).head.sha }}
           repo-token: ${{ secrets.GITHUB_TOKEN }}
@@ -307,7 +309,7 @@ jobs:
         with:
           draft: true
           prerelease: true
-          release_name: Meshtastic Firmware ${{ steps.version.outputs.version }}
+          release_name: Meshtastic Firmware ${{ steps.version.outputs.version }} Alpha
           tag_name: v${{ steps.version.outputs.version }}
           body: |
             Autogenerated by github action, developer should edit as required before publishing...

arch/esp32/esp32.ini

@@ -28,6 +28,7 @@ build_flags =
   -DCONFIG_BT_NIMBLE_ENABLED
   -DCONFIG_NIMBLE_CPP_LOG_LEVEL=2
   -DCONFIG_BT_NIMBLE_MAX_CCCDS=20
+  -DCONFIG_BT_NIMBLE_HOST_TASK_STACK_SIZE=5120
   -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
   ;-DDEBUG_HEAP
 

boards/heltec_wireless_tracker.json

@@ -0,0 +1,38 @@
+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32s3_out.ld",
+      "partitions": "default_8MB.csv"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DHELTEC_WIRELESS_TRACKER",
+      "-DARDUINO_USB_CDC_ON_BOOT=1",
+      "-DARDUINO_USB_MODE=0",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "80000000L",
+    "flash_mode": "qio",
+    "hwids": [["0x303A", "0x1001"]],
+    "mcu": "esp32s3",
+    "variant": "heltec_wireless_tracker"
+  },
+  "connectivity": ["wifi", "bluetooth", "lora"],
+  "debug": {
+    "openocd_target": "esp32s3.cfg"
+  },
+  "frameworks": ["arduino", "espidf"],
+  "name": "Heltec Wireless Tracker",
+  "upload": {
+    "flash_size": "8MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 8388608,
+    "wait_for_upload_port": true,
+    "require_upload_port": true,
+    "speed": 921600
+  },
+  "url": "https://heltec.org/project/wireless-tracker/",
+  "vendor": "Heltec"
+}

boards/t-echo.json

@@ -7,7 +7,10 @@
     "cpu": "cortex-m4",
     "extra_flags": "-DARDUINO_NRF52840_TTGO_EINK -DNRF52840_XXAA",
     "f_cpu": "64000000L",
-    "hwids": [["0x239A", "0x4405"]],
+    "hwids": [
+      ["0x239A", "0x4405"],
+      ["0x239A", "0x002A"]
+    ],
     "usb_product": "TTGO_eink",
     "mcu": "nrf52840",
     "variant": "t-echo",

platformio.ini

@@ -9,6 +9,7 @@
 ;default_envs = heltec-v1
 ;default_envs = heltec-v2_0
 ;default_envs = heltec-v2_1
+;default_envs = heltec-wireless-tracker
 ;default_envs = tlora-v1
 ;default_envs = tlora_v1_3
 ;default_envs = tlora-v2
@@ -119,4 +120,4 @@ lib_deps =
   adafruit/Adafruit SHT31 Library@^2.2.0
   adafruit/Adafruit PM25 AQI Sensor@^1.0.6
   adafruit/Adafruit MPU6050@^2.2.4
-  adafruit/Adafruit LIS3DH@^1.2.4
+  adafruit/Adafruit LIS3DH@^1.2.4

src/AccelerometerThread.h

@@ -43,7 +43,7 @@ class AccelerometerThread : public concurrency::OSThread
         } else if (accleremoter_type == ScanI2C::DeviceType::LIS3DH && lis.begin(accelerometer_found.address)) {
             LOG_DEBUG("LIS3DH initializing\n");
             lis.setRange(LIS3DH_RANGE_2_G);
-            // Adjust threshhold, higher numbers are less sensitive
+            // Adjust threshold, higher numbers are less sensitive
             lis.setClick(config.device.double_tap_as_button_press ? 2 : 1, ACCELEROMETER_CLICK_THRESHOLD);
         }
     }

src/ButtonThread.h

@@ -98,7 +98,7 @@ class ButtonThread : public concurrency::OSThread
         userButtonTouch.tick();
         canSleep &= userButtonTouch.isIdle();
 #endif
-        // if (!canSleep) LOG_DEBUG("Supressing sleep!\n");
+        // if (!canSleep) LOG_DEBUG("Suppressing sleep!\n");
         // else LOG_DEBUG("sleep ok\n");
 
         return 5;

src/GPSStatus.h

@@ -106,7 +106,7 @@ class GPSStatus : public Status
     bool matches(const GPSStatus *newStatus) const
     {
 #ifdef GPS_EXTRAVERBOSE
-        LOG_DEBUG("GPSStatus.match() new pos@%x to old pos@%x\n", newStatus->p.pos_timestamp, p.pos_timestamp);
+        LOG_DEBUG("GPSStatus.match() new pos@%x to old pos@%x\n", newStatus->p.timestamp, p.timestamp);
 #endif
         return (newStatus->hasLock != hasLock || newStatus->isConnected != isConnected ||
                 newStatus->isPowerSaving != isPowerSaving || newStatus->p.latitude_i != p.latitude_i ||

src/OSTimer.cpp

@@ -5,7 +5,8 @@
  * Schedule a callback to run.  The callback must _not_ block, though it is called from regular thread level (not ISR)
  *
  * NOTE! xTimerPend... seems to ignore the time passed in on ESP32 and on NRF52
- * The reason this didn't work is bcause xTimerPednFunctCall really isn't a timer function at all - it just means run the callback
+ * The reason this didn't work is because xTimerPednFunctCall really isn't a timer function at all - it just means run the
+callback
  * from the timer thread the next time you have spare cycles.
  *
  * @return true if successful, false if the timer fifo is too full.

src/Power.cpp

@@ -50,7 +50,7 @@ XPowersLibInterface *PMU = NULL;
 #else
 
 // Copy of the base class defined in axp20x.h.
-// I'd rather not inlude axp20x.h as it brings Wire dependency.
+// I'd rather not include axp20x.h as it brings Wire dependency.
 class HasBatteryLevel
 {
   public:
@@ -712,7 +712,7 @@ bool Power::axpChipInit()
             PMU->setPowerChannelVoltage(XPOWERS_ALDO1, 3300);
             PMU->enablePowerOutput(XPOWERS_ALDO1);
 
-            // sdcard power channle
+            // sdcard power channel
             PMU->setPowerChannelVoltage(XPOWERS_BLDO1, 3300);
             PMU->enablePowerOutput(XPOWERS_BLDO1);
 

src/PowerFSM.cpp

@@ -352,5 +352,5 @@ void PowerFSM_setup()
                                       "mesh timeout");
 #endif
 
-    powerFSM.run_machine(); // run one interation of the state machine, so we run our on enter tasks for the initial DARK state
+    powerFSM.run_machine(); // run one iteration of the state machine, so we run our on enter tasks for the initial DARK state
 }

src/airtime.h

@@ -17,9 +17,9 @@
 
   Example analytics:
 
-  TX_LOG + RX_LOG = Total air time for a perticular meshtastic channel.
+  TX_LOG + RX_LOG = Total air time for a particular meshtastic channel.
 
-  TX_LOG + RX_LOG = Total air time for a perticular meshtastic channel, including
+  TX_LOG + RX_LOG = Total air time for a particular meshtastic channel, including
                     other lora radios.
 
   RX_ALL_LOG - RX_LOG = Other lora radios on our frequency channel.

src/concurrency/InterruptableDelay.h

@@ -18,7 +18,7 @@ namespace concurrency
  *
  * Useful for they top level loop() delay call to keep the CPU powered down until our next scheduled event or some external event.
  *
- * This is implmented for FreeRTOS but should be easy to port to other operating systems.
+ * This is implemented for FreeRTOS but should be easy to port to other operating systems.
  */
 class InterruptableDelay
 {

src/gps/GPS.cpp

@@ -4,6 +4,10 @@
 #include "configuration.h"
 #include "sleep.h"
 
+#ifndef GPS_RESET_MODE
+#define GPS_RESET_MODE HIGH
+#endif
+
 // If we have a serial GPS port it will not be null
 #ifdef GPS_SERIAL_NUM
 HardwareSerial _serial_gps_real(GPS_SERIAL_NUM);
@@ -21,6 +25,9 @@ GPS *gps;
 /// only init that port once.
 static bool didSerialInit;
 
+struct uBloxGnssModelInfo info;
+uint8_t uBloxProtocolVersion;
+
 void GPS::UBXChecksum(byte *message, size_t length)
 {
     uint8_t CK_A = 0, CK_B = 0;
@@ -60,9 +67,9 @@ bool GPS::getACK(uint8_t class_id, uint8_t msg_id)
             // LOG_INFO("Got ACK for class %02X message %02X\n", class_id, msg_id);
             return true; // ACK received
         }
-        if (millis() - startTime > 1500) {
+        if (millis() - startTime > 3000) {
             LOG_WARN("No response for class %02X message %02X\n", class_id, msg_id);
-            return false; // No response received within 1.5 second
+            return false; // No response received within 3 seconds
         }
         if (_serial_gps->available()) {
             b = _serial_gps->read();
@@ -94,7 +101,7 @@ int GPS::getAck(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t
     uint32_t startTime = millis();
     uint16_t needRead;
 
-    while (millis() - startTime < 800) {
+    while (millis() - startTime < 1200) {
         while (_serial_gps->available()) {
             int c = _serial_gps->read();
             switch (ubxFrameCounter) {
@@ -129,12 +136,12 @@ int GPS::getAck(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t
                 }
                 break;
             case 4:
-                // Payload lenght lsb
+                // Payload length lsb
                 needRead = c;
                 ubxFrameCounter++;
                 break;
             case 5:
-                // Payload lenght msb
+                // Payload length msb
                 needRead |= (c << 8);
                 ubxFrameCounter++;
                 break;
@@ -147,7 +154,7 @@ int GPS::getAck(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t
                 if (_serial_gps->readBytes(buffer, needRead) != needRead) {
                     ubxFrameCounter = 0;
                 } else {
-                    // return payload lenght
+                    // return payload length
                     return needRead;
                 }
                 break;
@@ -181,10 +188,14 @@ bool GPS::setupGPS()
             config.position.tx_gpio = GPS_TX_PIN;
 #endif
 
+//#define BAUD_RATE 115200
 // ESP32 has a special set of parameters vs other arduino ports
 #if defined(ARCH_ESP32)
-        if (config.position.rx_gpio)
+        if (config.position.rx_gpio) {
+            LOG_DEBUG("Using GPIO%d for GPS RX\n", config.position.rx_gpio);
+            LOG_DEBUG("Using GPIO%d for GPS TX\n", config.position.tx_gpio);
             _serial_gps->begin(GPS_BAUDRATE, SERIAL_8N1, config.position.rx_gpio, config.position.tx_gpio);
+        }
 #else
         _serial_gps->begin(GPS_BAUDRATE);
 #endif
@@ -211,7 +222,13 @@ bool GPS::setupGPS()
             // Switch to Vehicle Mode, since SoftRF enables Aviation < 2g
             _serial_gps->write("$PCAS11,3*1E\r\n");
             delay(250);
+        } else if (gnssModel == GNSS_MODEL_UC6850) {
+
+            // use GPS + GLONASS
+            _serial_gps->write("$CFGSYS,h15\r\n");
+            delay(250);
         } else if (gnssModel == GNSS_MODEL_UBLOX) {
+
             // Configure GNSS system to GPS+SBAS+GLONASS (Module may restart after this command)
             // We need set it because by default it is GPS only, and we want to use GLONASS too
             // Also we need SBAS for better accuracy and extra features
@@ -238,13 +255,22 @@ bool GPS::setupGPS()
             _serial_gps->write(_message_GNSS, sizeof(_message_GNSS));
 
             if (!getACK(0x06, 0x3e)) {
-                LOG_WARN("Unable to reconfigure GNSS, keep factory defaults\n");
+                // It's not critical if the module doesn't acknowledge this configuration.
+                // The module should operate adequately with its factory or previously saved settings.
+                // It appears that there is a firmware bug in some GPS modules: When an attempt is made
+                // to overwrite a saved state with identical values, no ACK/NAK is received, contrary to
+                // what is specified in the Ublox documentation.
+                // There is also a possibility that the module may be GPS-only.
+                LOG_INFO("Unable to reconfigure GNSS - defaults maintained. Is this module GPS-only?\n");
+                return true;
             } else {
-                LOG_INFO("GNSS set to GPS+SBAS+GLONASS, waiting before sending next command (0.75s)\n");
+                LOG_INFO("GNSS configured for GPS+SBAS+GLONASS. Pause for 0.75s before sending next command.\n");
+                // Documentation say, we need wait atleast 0.5s after reconfiguration of GNSS module, before sending next commands
                 delay(750);
+                return true;
             }
 
-            // Enable interference resistance, because we are using LoRa, WiFi and Bluetoot on same board,
+            // Enable interference resistance, because we are using LoRa, WiFi and Bluetooth on same board,
             // and we need to reduce interference from them
             byte _message_JAM[16] = {
                 0xB5, 0x62, // UBX protocol sync characters
@@ -258,7 +284,8 @@ bool GPS::setupGPS()
                 // generalBits (General settings) is set to 0x31E as recommended
                 // antSetting (Antenna setting, 0=unknown, 1=passive, 2=active) is set to 0 (unknown)
                 // ToDo: Set to 1 (passive) or 2 (active) if known, for example from UBX-MON-HW, or from board info
-                // enable2 (Set to 1 to scan auxiliary bands, u-blox 8 / u-blox M8 only, otherwise ignored) is set to 1 (enabled)
+                // enable2 (Set to 1 to scan auxiliary bands, u-blox 8 / u-blox M8 only, otherwise ignored) is set to 1
+                // (enabled)
                 0x1E, 0x03, 0x00, 0x01, // config2: Extra settings for jamming/interference monitor
                 0x00, 0x00              // Checksum (calculated below)
             };
@@ -271,6 +298,7 @@ bool GPS::setupGPS()
 
             if (!getACK(0x06, 0x39)) {
                 LOG_WARN("Unable to enable interference resistance.\n");
+                return true;
             }
 
             // Configure navigation engine expert settings:
@@ -316,6 +344,7 @@ bool GPS::setupGPS()
 
             if (!getACK(0x06, 0x23)) {
                 LOG_WARN("Unable to configure extra settings.\n");
+                return true;
             }
 
             /*
@@ -334,57 +363,179 @@ bool GPS::setupGPS()
 
             // ublox-M10S can be compatible with UBLOX traditional protocol, so the following sentence settings are also valid
 
-            // disable GGL
-            byte _message_GGL[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x01,
-                                   0x01, 0x00, 0x01, 0x01, 0x01, 0x01, 0x05, 0x3A};
+            // Set GPS update rate to 1Hz
+            // Lowering the update rate helps to save power.
+            // Additionally, for some new modules like the M9/M10, an update rate lower than 5Hz
+            // is recommended to avoid a known issue with satellites disappearing.
+            byte _message_1Hz[] = {
+                0xB5, 0x62, // UBX protocol sync characters
+                0x06, 0x08, // Message class and ID (UBX-CFG-RATE)
+                0x06, 0x00, // Length of payload (6 bytes)
+                0xE8, 0x03, // Measurement Rate (1000ms for 1Hz)
+                0x01, 0x00, // Navigation rate, always 1 in GPS mode
+                0x01, 0x00, // Time reference
+                0x00, 0x00  // Placeholder for checksum, will be calculated next
+            };
+
+            // Calculate the checksum and update the message.
+            UBXChecksum(_message_1Hz, sizeof(_message_1Hz));
+
+            // Send the message to the module
+            _serial_gps->write(_message_1Hz, sizeof(_message_1Hz));
+
+            if (!getACK(0x06, 0x08)) {
+                LOG_WARN("Unable to set GPS update rate.\n");
+                return true;
+            }
+
+            // Disable GGL. GGL - Geographic position (latitude and longitude), which provides the current geographical
+            // coordinates.
+            byte _message_GGL[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x01,             // NMEA ID for GLL
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x00,                   // Disable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+
+            // Calculate the checksum and update the message.
+            UBXChecksum(_message_GGL, sizeof(_message_GGL));
+
+            // Send the message to the module
             _serial_gps->write(_message_GGL, sizeof(_message_GGL));
+
             if (!getACK(0x06, 0x01)) {
                 LOG_WARN("Unable to disable NMEA GGL.\n");
                 return true;
             }
 
-            // disable GSA
-            byte _message_GSA[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x02,
-                                   0x01, 0x00, 0x01, 0x01, 0x01, 0x01, 0x06, 0x41};
+            // Enable GSA. GSA - GPS DOP and active satellites, used for detailing the satellites used in the positioning and
+            // the DOP (Dilution of Precision)
+            byte _message_GSA[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x02,             // NMEA ID for GSA
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x01,                   // Enable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+            UBXChecksum(_message_GSA, sizeof(_message_GSA));
             _serial_gps->write(_message_GSA, sizeof(_message_GSA));
             if (!getACK(0x06, 0x01)) {
-                LOG_WARN("Unable to disable NMEA GSA.\n");
+                LOG_WARN("Unable to Enable NMEA GSA.\n");
                 return true;
             }
 
-            // disable GSV
-            byte _message_GSV[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x03,
-                                   0x01, 0x00, 0x01, 0x01, 0x01, 0x01, 0x07, 0x48};
+            // Disable GSV. GSV - Satellites in view, details the number and location of satellites in view.
+            byte _message_GSV[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x03,             // NMEA ID for GSV
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x00,                   // Disable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+            UBXChecksum(_message_GSV, sizeof(_message_GSV));
             _serial_gps->write(_message_GSV, sizeof(_message_GSV));
             if (!getACK(0x06, 0x01)) {
                 LOG_WARN("Unable to disable NMEA GSV.\n");
                 return true;
             }
 
-            // disable VTG
-            byte _message_VTG[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x05,
-                                   0x01, 0x00, 0x01, 0x01, 0x01, 0x01, 0x09, 0x56};
+            // Disable VTG. VTG - Track made good and ground speed, which provides course and speed information relative to
+            // the ground.
+            byte _message_VTG[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x05,             // NMEA ID for VTG
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x00,                   // Disable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+            UBXChecksum(_message_VTG, sizeof(_message_VTG));
             _serial_gps->write(_message_VTG, sizeof(_message_VTG));
             if (!getACK(0x06, 0x01)) {
                 LOG_WARN("Unable to disable NMEA VTG.\n");
                 return true;
             }
 
-            // enable RMC
-            byte _message_RMC[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x04,
-                                   0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x09, 0x54};
+            // Enable RMC. RMC - Recommended Minimum data, the essential gps pvt (position, velocity, time) data.
+            byte _message_RMC[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x04,             // NMEA ID for RMC
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x01,                   // Enable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+            UBXChecksum(_message_RMC, sizeof(_message_RMC));
             _serial_gps->write(_message_RMC, sizeof(_message_RMC));
             if (!getACK(0x06, 0x01)) {
                 LOG_WARN("Unable to enable NMEA RMC.\n");
                 return true;
             }
 
-            // enable GGA
-            byte _message_GGA[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0xF0, 0x00,
-                                   0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x05, 0x38};
+            // Enable GGA. GGA - Global Positioning System Fix Data, which provides 3D location and accuracy data.
+            byte _message_GGA[] = {
+                0xB5, 0x62,             // UBX sync characters
+                0x06, 0x01,             // Message class and ID (UBX-CFG-MSG)
+                0x08, 0x00,             // Length of payload (8 bytes)
+                0xF0, 0x00,             // NMEA ID for GGA
+                0x01,                   // I/O Target 0=I/O, 1=UART1, 2=UART2, 3=USB, 4=SPI
+                0x01,                   // Enable
+                0x01, 0x01, 0x01, 0x01, // Reserved
+                0x00, 0x00              // CK_A and CK_B (Checksum)
+            };
+            UBXChecksum(_message_GGA, sizeof(_message_GGA));
             _serial_gps->write(_message_GGA, sizeof(_message_GGA));
             if (!getACK(0x06, 0x01)) {
                 LOG_WARN("Unable to enable NMEA GGA.\n");
+                return true;
+            }
+
+            // The Power Management configuration allows the GPS module to operate in different power modes for optimized power
+            // consumption.
+            // The modes supported are:
+            // 0x00 = Full power: The module operates at full power with no power saving.
+            // 0x01 = Balanced: The module dynamically adjusts the tracking behavior to balance power consumption.
+            // 0x02 = Interval: The module operates in a periodic mode, cycling between tracking and power saving states.
+            // 0x03 = Aggressive with 1 Hz: The module operates in a power saving mode with a 1 Hz update rate.
+            // 0x04 = Aggressive with 2 Hz: The module operates in a power saving mode with a 2 Hz update rate.
+            // 0x05 = Aggressive with 4 Hz: The module operates in a power saving mode with a 4 Hz update rate.
+            // The 'period' field specifies the position update and search period. It is only valid when the powerSetupValue is
+            // set to Interval; otherwise, it must be set to '0'. The 'onTime' field specifies the duration of the ON phase and
+            // must be smaller than the period. It is only valid when the powerSetupValue is set to Interval; otherwise, it must
+            // be set to '0'.
+            byte UBX_CFG_PMS[14] = {
+                0xB5, 0x62, // UBX sync characters
+                0x06, 0x86, // Message class and ID (UBX-CFG-PMS)
+                0x06, 0x00, // Length of payload (6 bytes)
+                0x00,       // Version (0)
+                0x03,       // Power setup value
+                0x00, 0x00, // period: not applicable, set to 0
+                0x00, 0x00, // onTime: not applicable, set to 0
+                0x00, 0x00  // Placeholder for checksum, will be calculated next
+            };
+
+            // Calculate the checksum and update the message
+            UBXChecksum(UBX_CFG_PMS, sizeof(UBX_CFG_PMS));
+
+            // Send the message to the module
+            _serial_gps->write(UBX_CFG_PMS, sizeof(UBX_CFG_PMS));
+            if (!getACK(0x06, 0x86)) {
+                LOG_WARN("Unable to enable powersaving for GPS.\n");
+                return true;
             }
 
             // We need save configuration to flash to make our config changes persistent
@@ -407,8 +558,10 @@ bool GPS::setupGPS()
 
             if (!getACK(0x06, 0x09)) {
                 LOG_WARN("Unable to save GNSS module configuration.\n");
+                return true;
             } else {
                 LOG_INFO("GNSS module configuration saved!\n");
+                return true;
             }
         }
     }
@@ -430,10 +583,10 @@ bool GPS::setup()
 #endif
 
 #ifdef PIN_GPS_RESET
-    digitalWrite(PIN_GPS_RESET, 1); // assert for 10ms
+    digitalWrite(PIN_GPS_RESET, GPS_RESET_MODE); // assert for 10ms
     pinMode(PIN_GPS_RESET, OUTPUT);
     delay(10);
-    digitalWrite(PIN_GPS_RESET, 0);
+    digitalWrite(PIN_GPS_RESET, !GPS_RESET_MODE);
 #endif
     setAwake(true); // Wake GPS power before doing any init
     bool ok = setupGPS();
@@ -533,7 +686,7 @@ void GPS::setAwake(bool on)
     }
 }
 
-/** Get how long we should stay looking for each aquisition in msecs
+/** Get how long we should stay looking for each acquisition in msecs
  */
 uint32_t GPS::getWakeTime() const
 {
@@ -704,21 +857,17 @@ int GPS::prepareDeepSleep(void *unused)
 
 GnssModel_t GPS::probe()
 {
-    // return immediately if the model is set by the variant.h file
-#ifdef GPS_UBLOX
-    return GNSS_MODEL_UBLOX;
-#elif defined(GPS_L76K)
-    return GNSS_MODEL_MTK;
-#else
-    // we use autodetect, only T-BEAM S3 for now...
-    uint8_t buffer[256];
-    /*
-     * The GNSS module information variable is temporarily placed inside the function body,
-     * if it needs to be used elsewhere, it can be moved to the outside
-     * */
-    struct uBloxGnssModelInfo info;
-
     memset(&info, 0, sizeof(struct uBloxGnssModelInfo));
+// return immediately if the model is set by the variant.h file
+//#ifdef GPS_UBLOX               (unless it's a ublox, because we might want to know the module info!
+//    return GNSS_MODEL_UBLOX;    think about removing this macro and return)
+#if defined(GPS_L76K)
+    return GNSS_MODEL_MTK;
+#elif defined(GPS_UC6580)
+    _serial_gps->updateBaudRate(115200);
+    return GNSS_MODEL_UC6850;
+#else
+    uint8_t buffer[384] = {0};
 
     // Close all NMEA sentences , Only valid for MTK platform
     _serial_gps->write("$PCAS03,0,0,0,0,0,0,0,0,0,0,,,0,0*02\r\n");
@@ -746,31 +895,37 @@ GnssModel_t GPS::probe()
     uint8_t cfg_rate[] = {0xB5, 0x62, 0x06, 0x08, 0x00, 0x00, 0x0E, 0x30};
     _serial_gps->write(cfg_rate, sizeof(cfg_rate));
     // Check that the returned response class and message ID are correct
-    if (!getAck(buffer, 256, 0x06, 0x08)) {
+    if (!getAck(buffer, 384, 0x06, 0x08)) {
         LOG_WARN("Failed to find UBlox & MTK GNSS Module\n");
         return GNSS_MODEL_UNKNOWN;
     }
-
+    memset(buffer, 0, sizeof(buffer));
+    byte _message_MONVER[8] = {
+        0xB5, 0x62, // Sync message for UBX protocol
+        0x0A, 0x04, // Message class and ID (UBX-MON-VER)
+        0x00, 0x00, // Length of payload (we're asking for an answer, so no payload)
+        0x00, 0x00  // Checksum
+    };
     //  Get Ublox gnss module hardware and software info
-    uint8_t cfg_get_hw[] = {0xB5, 0x62, 0x0A, 0x04, 0x00, 0x00, 0x0E, 0x34};
-    _serial_gps->write(cfg_get_hw, sizeof(cfg_get_hw));
+    UBXChecksum(_message_MONVER, sizeof(_message_MONVER));
+    _serial_gps->write(_message_MONVER, sizeof(_message_MONVER));
 
-    uint16_t len = getAck(buffer, 256, 0x0A, 0x04);
+    uint16_t len = getAck(buffer, 384, 0x0A, 0x04);
     if (len) {
-
+        // LOG_DEBUG("monver reply size = %d\n", len);
         uint16_t position = 0;
         for (int i = 0; i < 30; i++) {
             info.swVersion[i] = buffer[position];
             position++;
         }
         for (int i = 0; i < 10; i++) {
-            info.hwVersion[i] = buffer[position];
+            info.hwVersion[i] = buffer[position - 1];
             position++;
         }
 
         while (len >= position + 30) {
             for (int i = 0; i < 30; i++) {
-                info.extension[info.extensionNo][i] = buffer[position];
+                info.extension[info.extensionNo][i] = buffer[position - 1];
                 position++;
             }
             info.extensionNo++;
@@ -780,6 +935,7 @@ GnssModel_t GPS::probe()
 
         LOG_DEBUG("Module Info : \n");
         LOG_DEBUG("Soft version: %s\n", info.swVersion);
+        LOG_DEBUG("first char is %c\n", (char)info.swVersion[0]);
         LOG_DEBUG("Hard version: %s\n", info.hwVersion);
         LOG_DEBUG("Extensions:%d\n", info.extensionNo);
         for (int i = 0; i < info.extensionNo; i++) {
@@ -790,19 +946,29 @@ GnssModel_t GPS::probe()
 
         // tips: extensionNo field is 0 on some 6M GNSS modules
         for (int i = 0; i < info.extensionNo; ++i) {
-            if (!strncmp(info.extension[i], "OD=", 3)) {
-                strncpy((char *)buffer, &(info.extension[i][3]), sizeof(buffer));
-                LOG_DEBUG("GetModel:%s\n", (char *)buffer);
+            if (!strncmp(info.extension[i], "MOD=", 4)) {
+                strncpy((char *)buffer, &(info.extension[i][4]), sizeof(buffer));
+                // LOG_DEBUG("GetModel:%s\n", (char *)buffer);
+                if (strlen((char *)buffer)) {
+                    LOG_INFO("UBlox GNSS init succeeded, using UBlox %s GNSS Module\n", (char *)buffer);
+                } else {
+                    LOG_INFO("UBlox GNSS init succeeded, using UBlox GNSS Module\n");
+                }
+            } else if (!strncmp(info.extension[i], "PROTVER=", 8)) {
+                char *ptr = nullptr;
+                memset(buffer, 0, sizeof(buffer));
+                strncpy((char *)buffer, &(info.extension[i][8]), sizeof(buffer));
+                LOG_DEBUG("Protocol Version:%s\n", (char *)buffer);
+                if (strlen((char *)buffer)) {
+                    uBloxProtocolVersion = strtoul((char *)buffer, &ptr, 10);
+                    LOG_DEBUG("ProtVer=%d\n", uBloxProtocolVersion);
+                } else {
+                    uBloxProtocolVersion = 0;
+                }
             }
         }
     }
 
-    if (strlen((char *)buffer)) {
-        LOG_INFO("UBlox GNSS init succeeded, using UBlox %s GNSS Module\n", buffer);
-    } else {
-        LOG_INFO("UBlox GNSS init succeeded, using UBlox GNSS Module\n");
-    }
-
     return GNSS_MODEL_UBLOX;
 #endif
 }
@@ -824,8 +990,8 @@ GPS *createGps()
         LOG_DEBUG("Using MSL altitude model\n");
 #endif
         if (GPS::_serial_gps) {
-            // Some boards might have only the TX line from the GPS connected, in that case, we can't configure it at all.  Just
-            // assume NMEA at 9600 baud.
+            // Some boards might have only the TX line from the GPS connected, in that case, we can't configure it at all.
+            // Just assume NMEA at 9600 baud.
             GPS *new_gps = new NMEAGPS();
             new_gps->setup();
             return new_gps;
@@ -837,4 +1003,4 @@ GPS *createGps()
     }
     return nullptr;
 #endif
-}
+}

src/gps/GPS.h

@@ -14,6 +14,7 @@ struct uBloxGnssModelInfo {
 typedef enum {
     GNSS_MODEL_MTK,
     GNSS_MODEL_UBLOX,
+    GNSS_MODEL_UC6850,
     GNSS_MODEL_UNKNOWN,
 } GnssModel_t;
 
@@ -167,6 +168,7 @@ class GPS : private concurrency::OSThread
     virtual int32_t runOnce() override;
 
     // Get GNSS model
+    String getNMEA();
     GnssModel_t probe();
 
     int getAck(uint8_t *buffer, uint16_t size, uint8_t requestedClass, uint8_t requestedID);

src/gps/GeoCoord.cpp

@@ -12,7 +12,7 @@ GeoCoord::GeoCoord(int32_t lat, int32_t lon, int32_t alt) : _latitude(lat), _lon
 
 GeoCoord::GeoCoord(float lat, float lon, int32_t alt) : _altitude(alt)
 {
-    // Change decimial reprsentation to int32_t. I.e., 12.345 becomes 123450000
+    // Change decimial representation to int32_t. I.e., 12.345 becomes 123450000
     _latitude = int32_t(lat * 1e+7);
     _longitude = int32_t(lon * 1e+7);
     GeoCoord::setCoords();
@@ -20,7 +20,7 @@ GeoCoord::GeoCoord(float lat, float lon, int32_t alt) : _altitude(alt)
 
 GeoCoord::GeoCoord(double lat, double lon, int32_t alt) : _altitude(alt)
 {
-    // Change decimial reprsentation to int32_t. I.e., 12.345 becomes 123450000
+    // Change decimial representation to int32_t. I.e., 12.345 becomes 123450000
     _latitude = int32_t(lat * 1e+7);
     _longitude = int32_t(lon * 1e+7);
     GeoCoord::setCoords();
@@ -41,7 +41,7 @@ void GeoCoord::setCoords()
 
 void GeoCoord::updateCoords(int32_t lat, int32_t lon, int32_t alt)
 {
-    // If marked dirty or new coordiantes
+    // If marked dirty or new coordinates
     if (_dirty || _latitude != lat || _longitude != lon || _altitude != alt) {
         _dirty = true;
         _latitude = lat;
@@ -55,7 +55,7 @@ void GeoCoord::updateCoords(const double lat, const double lon, const int32_t al
 {
     int32_t iLat = lat * 1e+7;
     int32_t iLon = lon * 1e+7;
-    // If marked dirty or new coordiantes
+    // If marked dirty or new coordinates
     if (_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
         _dirty = true;
         _latitude = iLat;
@@ -69,7 +69,7 @@ void GeoCoord::updateCoords(const float lat, const float lon, const int32_t alt)
 {
     int32_t iLat = lat * 1e+7;
     int32_t iLon = lon * 1e+7;
-    // If marked dirty or new coordiantes
+    // If marked dirty or new coordinates
     if (_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
         _dirty = true;
         _latitude = iLat;
@@ -217,7 +217,7 @@ void GeoCoord::latLongToOSGR(const double lat, const double lon, OSGR &osgr)
     double eta2 = v / rho - 1;
     double mA = (1 + n + (5 / 4) * n * n + (5 / 4) * n * n * n) * (phi - phi0);
     double mB = (3 * n + 3 * n * n + (21 / 8) * n * n * n) * sin(phi - phi0) * cos(phi + phi0);
-    // loss of precision in mC & mD due to floating point rounding can cause innaccuracy of northing by a few meters
+    // loss of precision in mC & mD due to floating point rounding can cause inaccuracy of northing by a few meters
     double mC = (15 / 8 * n * n + 15 / 8 * n * n * n) * sin(2 * (phi - phi0)) * cos(2 * (phi + phi0));
     double mD = (35 / 24) * n * n * n * sin(3 * (phi - phi0)) * cos(3 * (phi + phi0));
     double m = b * f0 * (mA - mB + mC - mD);

src/gps/GeoCoord.h

@@ -65,7 +65,7 @@ struct MGRS {
     uint32_t northing;
 };
 
-// A struct to hold the data for a OSGR coordiante
+// A struct to hold the data for a OSGR coordinate
 struct OSGR {
     char e100k;
     char n100k;

src/gps/RTC.cpp

@@ -19,7 +19,7 @@ static uint64_t zeroOffsetSecs; // GPS based time in secs since 1970 - only upda
 
 void readFromRTC()
 {
-    struct timeval tv; /* btw settimeofday() is helpfull here too*/
+    struct timeval tv; /* btw settimeofday() is helpful here too*/
 #ifdef RV3028_RTC
     if (rtc_found.address == RV3028_RTC) {
         uint32_t now = millis();

src/graphics/EInkDisplay2.cpp

@@ -7,6 +7,10 @@
 #include "main.h"
 #include <SPI.h>
 
+// #ifdef HELTEC_WIRELESS_PAPER
+// SPIClass *hspi = NULL;
+// #endif
+
 #define COLORED GxEPD_BLACK
 #define UNCOLORED GxEPD_WHITE
 
@@ -19,13 +23,13 @@
 #define TECHO_DISPLAY_MODEL GxEPD2_213_BN
 
 // 4.2 inch 300x400 - GxEPD2_420_M01
-//#define TECHO_DISPLAY_MODEL GxEPD2_420_M01
+// #define TECHO_DISPLAY_MODEL GxEPD2_420_M01
 
 // 2.9 inch 296x128 - GxEPD2_290_T5D
-//#define TECHO_DISPLAY_MODEL GxEPD2_290_T5D
+// #define TECHO_DISPLAY_MODEL GxEPD2_290_T5D
 
 // 1.54 inch 200x200 - GxEPD2_154_M09
-//#define TECHO_DISPLAY_MODEL GxEPD2_154_M09
+// #define TECHO_DISPLAY_MODEL GxEPD2_154_M09
 
 #elif defined(MAKERPYTHON)
 // 2.9 inch 296x128 - GxEPD2_290_T5D
@@ -41,6 +45,9 @@
 // 1.54 inch 200x200 - GxEPD2_154_M09
 #define TECHO_DISPLAY_MODEL GxEPD2_154_M09
 
+#elif defined(HELTEC_WIRELESS_PAPER)
+//#define TECHO_DISPLAY_MODEL GxEPD2_213_T5D
+#define TECHO_DISPLAY_MODEL GxEPD2_213_BN
 #endif
 
 GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT> *adafruitDisplay;
@@ -62,6 +69,10 @@ EInkDisplay::EInkDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY
 
     // GxEPD2_154_M09
     // setGeometry(GEOMETRY_RAWMODE, 200, 200);
+
+#elif defined(HELTEC_WIRELESS_PAPER)
+    // setGeometry(GEOMETRY_RAWMODE, 212, 104);
+    setGeometry(GEOMETRY_RAWMODE, 250, 122);
 #elif defined(MAKERPYTHON)
     // GxEPD2_290_T5D
     setGeometry(GEOMETRY_RAWMODE, 296, 128);
@@ -109,7 +120,7 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
         for (uint32_t y = 0; y < displayHeight; y++) {
             for (uint32_t x = 0; x < displayWidth; x++) {
 
-                // get src pixel in the page based ordering the OLED lib uses FIXME, super inefficent
+                // get src pixel in the page based ordering the OLED lib uses FIXME, super inefficient
                 auto b = buffer[x + (y / 8) * displayWidth];
                 auto isset = b & (1 << (y & 7));
                 adafruitDisplay->drawPixel(x, y, isset ? COLORED : UNCOLORED);
@@ -218,6 +229,16 @@ bool EInkDisplay::connect()
             (void)adafruitDisplay;
         }
     }
+#elif defined(HELTEC_WIRELESS_PAPER)
+    {
+        auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
+        adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
+        // hspi = new SPIClass(HSPI);
+        // hspi->begin(PIN_EINK_SCLK, -1, PIN_EINK_MOSI, PIN_EINK_CS); // SCLK, MISO, MOSI, SS
+        adafruitDisplay->init(115200, true, 10, false, SPI, SPISettings(6000000, MSBFIRST, SPI_MODE0));
+        adafruitDisplay->setRotation(3);
+        adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
+    }
 #elif defined(PCA10059)
     {
         auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);

src/graphics/Screen.cpp

@@ -296,7 +296,7 @@ static void drawModuleFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int
 static void drawFrameBluetooth(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
 {
     int x_offset = display->width() / 2;
-    int y_offset = display->height() == 64 ? 0 : 32;
+    int y_offset = display->height() <= 80 ? 0 : 32;
     display->setTextAlignment(TEXT_ALIGN_CENTER);
     display->setFont(FONT_MEDIUM);
     display->drawString(x_offset + x, y_offset + y, "Bluetooth");
@@ -320,18 +320,18 @@ static void drawFrameBluetooth(OLEDDisplay *display, OLEDDisplayUiState *state,
 
 static void drawFrameShutdown(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
 {
+    uint16_t x_offset = display->width() / 2;
     display->setTextAlignment(TEXT_ALIGN_CENTER);
-
     display->setFont(FONT_MEDIUM);
-    display->drawString(64 + x, 26 + y, "Shutting down...");
+    display->drawString(x_offset + x, 26 + y, "Shutting down...");
 }
 
 static void drawFrameReboot(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
 {
+    uint16_t x_offset = display->width() / 2;
     display->setTextAlignment(TEXT_ALIGN_CENTER);
-
     display->setFont(FONT_MEDIUM);
-    display->drawString(64 + x, 26 + y, "Rebooting...");
+    display->drawString(x_offset + x, 26 + y, "Rebooting...");
 }
 
 static void drawFrameFirmware(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y)
@@ -360,7 +360,7 @@ static void drawCriticalFaultFrame(OLEDDisplay *display, OLEDDisplayUiState *sta
     display->drawString(0 + x, FONT_HEIGHT_MEDIUM + y, "For help, please visit \nmeshtastic.org");
 }
 
-// Ignore messages orginating from phone (from the current node 0x0) unless range test or store and forward module are enabled
+// Ignore messages originating from phone (from the current node 0x0) unless range test or store and forward module are enabled
 static bool shouldDrawMessage(const meshtastic_MeshPacket *packet)
 {
     return packet->from != 0 && !moduleConfig.range_test.enabled && !moduleConfig.store_forward.enabled;
@@ -442,7 +442,7 @@ static void drawWaypointFrame(OLEDDisplay *display, OLEDDisplayUiState *state, i
     }
 }
 
-/// Draw a series of fields in a column, wrapping to multiple colums if needed
+/// Draw a series of fields in a column, wrapping to multiple columns if needed
 static void drawColumns(OLEDDisplay *display, int16_t x, int16_t y, const char **fields)
 {
     // The coordinates define the left starting point of the text
@@ -1789,7 +1789,7 @@ void DebugInfo::drawFrameSettings(OLEDDisplay *display, OLEDDisplayUiState *stat
     heartbeat = !heartbeat;
 #endif
 }
-// adjust Brightness cycle trough 1 to 254 as long as attachDuringLongPress is true
+// adjust Brightness cycle through 1 to 254 as long as attachDuringLongPress is true
 void Screen::adjustBrightness()
 {
     if (!useDisplay)

src/graphics/TFTDisplay.cpp

@@ -1,12 +1,112 @@
 #include "configuration.h"
 
+#ifndef TFT_BACKLIGHT_ON
+#define TFT_BACKLIGHT_ON HIGH
+#endif
+
+// convert 24-bit color to 16-bit (56K)
+#define COLOR565(r, g, b) (((r & 0xF8) << 8) | ((g & 0xFC) << 3) | ((b & 0xF8) >> 3))
+#define TFT_MESH COLOR565(0x67, 0xEA, 0x94)
+
+#if defined(ST7735S)
+#include <LovyanGFX.hpp> // Graphics and font library for ST7735 driver chip
+
+#if defined(ST7735_BACKLIGHT_EN) && !defined(TFT_BL)
+#define TFT_BL ST7735_BACKLIGHT_EN
+#endif
+
+class LGFX : public lgfx::LGFX_Device
+{
+    lgfx::Panel_ST7735S _panel_instance;
+    lgfx::Bus_SPI _bus_instance;
+    lgfx::Light_PWM _light_instance;
+
+  public:
+    LGFX(void)
+    {
+        {
+            auto cfg = _bus_instance.config();
+
+            // configure SPI
+            cfg.spi_host = ST7735_SPI_HOST; // ESP32-S2,S3,C3 : SPI2_HOST or SPI3_HOST / ESP32 : VSPI_HOST or HSPI_HOST
+            cfg.spi_mode = 0;
+            cfg.freq_write = SPI_FREQUENCY; // SPI clock for transmission (up to 80MHz, rounded to the value obtained by dividing
+                                            // 80MHz by an integer)
+            cfg.freq_read = SPI_READ_FREQUENCY; // SPI clock when receiving
+            cfg.spi_3wire = false;              // Set to true if reception is done on the MOSI pin
+            cfg.use_lock = true;                // Set to true to use transaction locking
+            cfg.dma_channel = SPI_DMA_CH_AUTO;  // SPI_DMA_CH_AUTO; // Set DMA channel to use (0=not use DMA / 1=1ch / 2=ch /
+                                                // SPI_DMA_CH_AUTO=auto setting)
+            cfg.pin_sclk = ST7735_SCK;          // Set SPI SCLK pin number
+            cfg.pin_mosi = ST7735_SDA;          // Set SPI MOSI pin number
+            cfg.pin_miso = ST7735_MISO;         // Set SPI MISO pin number (-1 = disable)
+            cfg.pin_dc = ST7735_RS;             // Set SPI DC pin number (-1 = disable)
+
+            _bus_instance.config(cfg);              // applies the set value to the bus.
+            _panel_instance.setBus(&_bus_instance); // set the bus on the panel.
+        }
+
+        {                                        // Set the display panel control.
+            auto cfg = _panel_instance.config(); // Gets a structure for display panel settings.
+
+            cfg.pin_cs = ST7735_CS;     // Pin number where CS is connected (-1 = disable)
+            cfg.pin_rst = ST7735_RESET; // Pin number where RST is connected  (-1 = disable)
+            cfg.pin_busy = ST7735_BUSY; // Pin number where BUSY is connected (-1 = disable)
+
+            // The following setting values ​​are general initial values ​​for each panel, so please comment out any
+            // unknown items and try them.
+
+            cfg.panel_width = TFT_WIDTH;   // actual displayable width
+            cfg.panel_height = TFT_HEIGHT; // actual displayable height
+            cfg.offset_x = TFT_OFFSET_X;   // Panel offset amount in X direction
+            cfg.offset_y = TFT_OFFSET_Y;   // Panel offset amount in Y direction
+            cfg.offset_rotation = 0;       // Rotation direction value offset 0~7 (4~7 is upside down)
+            cfg.dummy_read_pixel = 8;      // Number of bits for dummy read before pixel readout
+            cfg.dummy_read_bits = 1;       // Number of bits for dummy read before non-pixel data read
+            cfg.readable = true;           // Set to true if data can be read
+            cfg.invert = true;             // Set to true if the light/darkness of the panel is reversed
+            cfg.rgb_order = false;         // Set to true if the panel's red and blue are swapped
+            cfg.dlen_16bit =
+                false;             // Set to true for panels that transmit data length in 16-bit units with 16-bit parallel or SPI
+            cfg.bus_shared = true; // If the bus is shared with the SD card, set to true (bus control with drawJpgFile etc.)
+
+            // Set the following only when the display is shifted with a driver with a variable number of pixels, such as the
+            // ST7735 or ILI9163.
+            cfg.memory_width = TFT_WIDTH;   // Maximum width supported by the driver IC
+            cfg.memory_height = TFT_HEIGHT; // Maximum height supported by the driver IC
+            _panel_instance.config(cfg);
+        }
+
+        // Set the backlight control
+        {
+            auto cfg = _light_instance.config(); // Gets a structure for backlight settings.
+
+            cfg.pin_bl = ST7735_BL; // Pin number to which the backlight is connected
+            cfg.invert = true;      // true to invert the brightness of the backlight
+            // cfg.freq = 44100;    // PWM frequency of backlight
+            // cfg.pwm_channel = 1; // PWM channel number to use
+
+            _light_instance.config(cfg);
+            _panel_instance.setLight(&_light_instance); // Set the backlight on the panel.
+        }
+
+        setPanel(&_panel_instance);
+    }
+};
+
+static LGFX tft;
+
+#elif defined(ST7735_CS) || defined(ILI9341_DRIVER)
+#include <TFT_eSPI.h> // Graphics and font library for ILI9341 driver chip
+
+static TFT_eSPI tft = TFT_eSPI(); // Invoke library, pins defined in User_Setup.h
+
+#endif
+
 #if defined(ST7735_CS) || defined(ILI9341_DRIVER)
 #include "SPILock.h"
 #include "TFTDisplay.h"
 #include <SPI.h>
-#include <TFT_eSPI.h> // Graphics and font library for ST7735 driver chip
-
-static TFT_eSPI tft = TFT_eSPI(); // Invoke library, pins defined in User_Setup.h
 
 TFTDisplay::TFTDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY geometry, HW_I2C i2cBus)
 {
@@ -30,7 +130,7 @@ void TFTDisplay::display(void)
             auto isset = buffer[x + (y / 8) * displayWidth] & (1 << (y & 7));
             auto dblbuf_isset = buffer_back[x + (y / 8) * displayWidth] & (1 << (y & 7));
             if (isset != dblbuf_isset) {
-                tft.drawPixel(x, y, isset ? TFT_WHITE : TFT_BLACK);
+                tft.drawPixel(x, y, isset ? TFT_MESH : TFT_BLACK);
             }
         }
     }
@@ -46,8 +146,31 @@ void TFTDisplay::display(void)
 // Send a command to the display (low level function)
 void TFTDisplay::sendCommand(uint8_t com)
 {
-    (void)com;
-    // Drop all commands to device (we just update the buffer)
+    // handle display on/off directly
+    switch (com) {
+    case DISPLAYON: {
+#ifdef TFT_BL
+        digitalWrite(TFT_BL, TFT_BACKLIGHT_ON);
+#endif
+#ifdef VTFT_CTRL
+        digitalWrite(VTFT_CTRL, LOW);
+#endif
+        break;
+    }
+    case DISPLAYOFF: {
+#ifdef TFT_BL
+        digitalWrite(TFT_BL, !TFT_BACKLIGHT_ON);
+#endif
+#ifdef VTFT_CTRL
+        digitalWrite(VTFT_CTRL, HIGH);
+#endif
+        break;
+    }
+    default:
+        break;
+    }
+
+    // Drop all other commands to device (we just update the buffer)
 }
 
 void TFTDisplay::setDetected(uint8_t detected)
@@ -62,14 +185,10 @@ bool TFTDisplay::connect()
     LOG_INFO("Doing TFT init\n");
 
 #ifdef TFT_BL
-    digitalWrite(TFT_BL, HIGH);
+    digitalWrite(TFT_BL, TFT_BACKLIGHT_ON);
     pinMode(TFT_BL, OUTPUT);
 #endif
 
-#ifdef ST7735_BACKLIGHT_EN
-    digitalWrite(ST7735_BACKLIGHT_EN, HIGH);
-    pinMode(ST7735_BACKLIGHT_EN, OUTPUT);
-#endif
     tft.init();
 #ifdef M5STACK
     tft.setRotation(1); // M5Stack has the TFT in landscape
@@ -77,7 +196,6 @@ bool TFTDisplay::connect()
     tft.setRotation(3); // Orient horizontal and wide underneath the silkscreen name label
 #endif
     tft.fillScreen(TFT_BLACK);
-    // tft.drawRect(0, 0, 40, 10, TFT_PURPLE); // wide rectangle in upper left
     return true;
 }
 

src/graphics/TFTDisplay.h

@@ -7,7 +7,6 @@
  *
  * Remaining TODO:
  * optimize display() to only draw changed pixels (see other OLED subclasses for examples)
- * implement displayOn/displayOff to turn off the TFT device (and backlight)
  * Use the fast NRF52 SPI API rather than the slow standard arduino version
  *
  * turn radio back on - currently with both on spi bus is fucked? or are we leaving chip select asserted?

src/main.cpp

@@ -169,7 +169,7 @@ SPISettings spiSettings(4000000, MSBFIRST, SPI_MODE0);
 RadioInterface *rIf = NULL;
 
 /**
- * Some platforms (nrf52) might provide an alterate version that supresses calling delay from sleep.
+ * Some platforms (nrf52) might provide an alterate version that suppresses calling delay from sleep.
  */
 __attribute__((weak, noinline)) bool loopCanSleep()
 {
@@ -214,6 +214,16 @@ void setup()
     digitalWrite(VEXT_ENABLE, 0); // turn on the display power
 #endif
 
+#ifdef VGNSS_CTRL
+    pinMode(VGNSS_CTRL, OUTPUT);
+    digitalWrite(VGNSS_CTRL, LOW);
+#endif
+
+#if defined(VTFT_CTRL)
+    pinMode(VTFT_CTRL, OUTPUT);
+    digitalWrite(VTFT_CTRL, LOW);
+#endif
+
 #ifdef RESET_OLED
     pinMode(RESET_OLED, OUTPUT);
     digitalWrite(RESET_OLED, 1);
@@ -700,7 +710,7 @@ uint32_t rebootAtMsec;   // If not zero we will reboot at this time (used to reb
 uint32_t shutdownAtMsec; // If not zero we will shutdown at this time (used to shutdown from python or mobile client)
 
 // If a thread does something that might need for it to be rescheduled ASAP it can set this flag
-// This will supress the current delay and instead try to run ASAP.
+// This will suppress the current delay and instead try to run ASAP.
 bool runASAP;
 
 extern meshtastic_DeviceMetadata getDeviceMetadata()

src/main.h

@@ -59,7 +59,7 @@ extern uint32_t shutdownAtMsec;
 extern uint32_t serialSinceMsec;
 
 // If a thread does something that might need for it to be rescheduled ASAP it can set this flag
-// This will supress the current delay and instead try to run ASAP.
+// This will suppress the current delay and instead try to run ASAP.
 extern bool runASAP;
 
 void nrf52Setup(), esp32Setup(), nrf52Loop(), esp32Loop(), clearBonds();

src/mesh/Channels.h

@@ -20,7 +20,7 @@ class Channels
     /// The index of the primary channel
     ChannelIndex primaryIndex = 0;
 
-    /** The channel index that was requested for sending/receving.  Note: if this channel is a secondary
+    /** The channel index that was requested for sending/receiving.  Note: if this channel is a secondary
     channel and does not have a PSK, we will use the PSK from the primary channel.  If this channel is disabled
     no sending or receiving will be allowed */
     ChannelIndex activeChannelIndex = 0;

src/mesh/FloodingRouter.h

@@ -48,7 +48,7 @@ class FloodingRouter : public Router, protected PacketHistory
     /**
      * Should this incoming filter be dropped?
      *
-     * Called immedately on receiption, before any further processing.
+     * Called immediately on reception, before any further processing.
      * @return true to abandon the packet
      */
     virtual bool shouldFilterReceived(const meshtastic_MeshPacket *p) override;

src/mesh/MeshModule.cpp

@@ -18,7 +18,7 @@ meshtastic_MeshPacket *MeshModule::currentReply;
 
 MeshModule::MeshModule(const char *_name) : name(_name)
 {
-    // Can't trust static initalizer order, so we check each time
+    // Can't trust static initializer order, so we check each time
     if (!modules)
         modules = new std::vector<MeshModule *>();
 
@@ -39,7 +39,7 @@ meshtastic_MeshPacket *MeshModule::allocAckNak(meshtastic_Routing_Error err, Nod
     c.error_reason = err;
     c.which_variant = meshtastic_Routing_error_reason_tag;
 
-    // Now that we have moded sendAckNak up one level into the class heirarchy we can no longer assume we are a RoutingPlugin
+    // Now that we have moded sendAckNak up one level into the class hierarchy we can no longer assume we are a RoutingPlugin
     // So we manually call pb_encode_to_bytes and specify routing port number
     // auto p = allocDataProtobuf(c);
     meshtastic_MeshPacket *p = router->allocForSending();
@@ -169,7 +169,7 @@ void MeshModule::callPlugins(const meshtastic_MeshPacket &mp, RxSource src)
             // Note: if the message started with the local node or a module asked to ignore the request, we don't want to send a
             // no response reply
 
-            // No one wanted to reply to this requst, tell the requster that happened
+            // No one wanted to reply to this request, tell the requster that happened
             LOG_DEBUG("No one responded, send a nak\n");
 
             // SECURITY NOTE! I considered sending back a different error code if we didn't find the psk (i.e. !isDecoded)

src/mesh/MeshModule.h

@@ -47,7 +47,7 @@ typedef struct _UIFrameEvent {
  * A key concept for this is that your module should use a particular "portnum" for each message type you want to receive
  * and handle.
  *
- * Interally we use modules to implement the core meshtastic text messaging and gps position sharing features.  You
+ * Internally we use modules to implement the core meshtastic text messaging and gps position sharing features.  You
  * can use these classes as examples for how to write your own custom module.  See here: (FIXME)
  */
 class MeshModule

src/mesh/MeshService.cpp

@@ -34,7 +34,7 @@ arbitrating to select a node number and keeping the current nodedb.
 
 /* Broadcast when a newly powered mesh node wants to find a node num it can use
 
-The algoritm is as follows:
+The algorithm is as follows:
 * when a node starts up, it broadcasts their user and the normal flow is for all other nodes to reply with their User as well (so
 the new node can build its node db)
 * If a node ever receives a User (not just the first broadcast) message where the sender node number equals our node number, that

src/mesh/MeshService.h

@@ -120,7 +120,7 @@ class MeshService
 
   private:
     /// Called when our gps position has changed - updates nodedb and sends Location message out into the mesh
-    /// returns 0 to allow futher processing
+    /// returns 0 to allow further processing
     int onGPSChanged(const meshtastic::GPSStatus *arg);
 
     /// Handle a packet that just arrived from the radio.  This method does _ReliableRouternot_ free the provided packet.  If it

src/mesh/MeshTypes.h

@@ -13,7 +13,7 @@ typedef uint32_t PacketId; // A packet sequence number
 #define ERRNO_OK 0
 #define ERRNO_NO_INTERFACES 33
 #define ERRNO_UNKNOWN 32  // pick something that doesn't conflict with RH_ROUTER_ERROR_UNABLE_TO_DELIVER
-#define ERRNO_DISABLED 34 // the itnerface is disabled
+#define ERRNO_DISABLED 34 // the interface is disabled
 
 /*
  * Source of a received message

src/mesh/NodeDB.cpp

@@ -138,7 +138,7 @@ bool NodeDB::factoryReset()
     // third, write everything to disk
     saveToDisk();
 #ifdef ARCH_ESP32
-    // This will erase what's in NVS including ssl keys, persistant variables and ble pairing
+    // This will erase what's in NVS including ssl keys, persistent variables and ble pairing
     nvs_flash_erase();
 #endif
 #ifdef ARCH_NRF52
@@ -911,7 +911,7 @@ void recordCriticalError(meshtastic_CriticalErrorCode code, uint32_t address, co
     error_code = code;
     error_address = address;
 
-    // Currently portuino is mostly used for simulation.  Make sue the user notices something really bad happend
+    // Currently portuino is mostly used for simulation.  Make sure the user notices something really bad happened
 #ifdef ARCH_PORTDUINO
     LOG_ERROR("A critical failure occurred, portduino is exiting...");
     exit(2);

src/mesh/NodeDB.h

@@ -56,7 +56,7 @@ class NodeDB
     meshtastic_NodeInfoLite *updateGUIforNode = NULL; // if currently showing this node, we think you should update the GUI
     Observable<const meshtastic::NodeStatus *> newStatus;
 
-    /// don't do mesh based algoritm for node id assignment (initially)
+    /// don't do mesh based algorithm for node id assignment (initially)
     /// instead just store in flash - possibly even in the initial alpha release do this hack
     NodeDB();
 

src/mesh/RF95Interface.cpp

@@ -192,7 +192,7 @@ bool RF95Interface::isChannelActive()
     return false;
 }
 
-/** Could we send right now (i.e. either not actively receving or transmitting)? */
+/** Could we send right now (i.e. either not actively receiving or transmitting)? */
 bool RF95Interface::isActivelyReceiving()
 {
     return lora->isReceiving();
@@ -201,7 +201,7 @@ bool RF95Interface::isActivelyReceiving()
 bool RF95Interface::sleep()
 {
     // put chipset into sleep mode
-    setStandby(); // First cancel any active receving/sending
+    setStandby(); // First cancel any active receiving/sending
     lora->sleep();
 
     return true;

src/mesh/RadioInterface.cpp

@@ -308,7 +308,7 @@ bool RadioInterface::init()
     preflightSleepObserver.observe(&preflightSleep);
     notifyDeepSleepObserver.observe(&notifyDeepSleep);
 
-    // we now expect interfaces to operate in promiscous mode
+    // we now expect interfaces to operate in promiscuous mode
     // radioIf.setThisAddress(nodeDB.getNodeNum()); // Note: we must do this here, because the nodenum isn't inited at constructor
     // time.
 

src/mesh/RadioInterface.h

@@ -15,7 +15,7 @@
 
 /**
  * This structure has to exactly match the wire layout when sent over the radio link.  Used to keep compatibility
- * wtih the old radiohead implementation.
+ * with the old radiohead implementation.
  */
 typedef struct {
     NodeNum to, from; // can be 1 byte or four bytes
@@ -75,7 +75,7 @@ class RadioInterface
     uint32_t lastTxStart = 0L;
 
     /**
-     * A temporary buffer used for sending/receving packets, sized to hold the biggest buffer we might need
+     * A temporary buffer used for sending/receiving packets, sized to hold the biggest buffer we might need
      * */
     uint8_t radiobuf[MAX_RHPACKETLEN];
 
@@ -198,7 +198,7 @@ class RadioInterface
     virtual void saveFreq(float savedFreq);
 
     /**
-     * Save the chanel we selected for later reuse.
+     * Save the channel we selected for later reuse.
      */
     virtual void saveChannelNum(uint32_t savedChannelNum);
 
@@ -206,7 +206,7 @@ class RadioInterface
     /**
      * Convert our modemConfig enum into wf, sf, etc...
      *
-     * These paramaters will be pull from the channelSettings global
+     * These parameters will be pull from the channelSettings global
      */
     void applyModemConfig();
 

src/mesh/RadioLibInterface.cpp

@@ -68,7 +68,7 @@ void INTERRUPT_ATTR RadioLibInterface::isrTxLevel0()
  */
 RadioLibInterface *RadioLibInterface::instance;
 
-/** Could we send right now (i.e. either not actively receving or transmitting)? */
+/** Could we send right now (i.e. either not actively receiving or transmitting)? */
 bool RadioLibInterface::canSendImmediately()
 {
     // We wait _if_ we are partially though receiving a packet (rather than just merely waiting for one).

src/mesh/Router.cpp

@@ -399,7 +399,7 @@ meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p)
             if (compressed_len >= p->decoded.payload.size) {
 
                 LOG_DEBUG("Not using compressing message.\n");
-                // Set the uncompressed payload varient anyway. Shouldn't hurt?
+                // Set the uncompressed payload variant anyway. Shouldn't hurt?
                 // p->decoded.which_payloadVariant = Data_payload_tag;
 
                 // Otherwise we use the compressor

src/mesh/Router.h

@@ -90,7 +90,7 @@ class Router : protected concurrency::OSThread
      *
      * FIXME, move this into the new RoutingModule and do the filtering there using the regular module logic
      *
-     * Called immedately on receiption, before any further processing.
+     * Called immediately on reception, before any further processing.
      * @return true to abandon the packet
      */
     virtual bool shouldFilterReceived(const meshtastic_MeshPacket *p) { return false; }

src/mesh/SX126xInterface.cpp

@@ -249,7 +249,7 @@ template <typename T> bool SX126xInterface<T>::isChannelActive()
     return false;
 }
 
-/** Could we send right now (i.e. either not actively receving or transmitting)? */
+/** Could we send right now (i.e. either not actively receiving or transmitting)? */
 template <typename T> bool SX126xInterface<T>::isActivelyReceiving()
 {
     // The IRQ status will be cleared when we start our read operation.  Check if we've started a header, but haven't yet

src/mesh/SX128xInterface.cpp

@@ -242,7 +242,7 @@ template <typename T> bool SX128xInterface<T>::isChannelActive()
     return false;
 }
 
-/** Could we send right now (i.e. either not actively receving or transmitting)? */
+/** Could we send right now (i.e. either not actively receiving or transmitting)? */
 template <typename T> bool SX128xInterface<T>::isActivelyReceiving()
 {
     uint16_t irq = lora.getIrqStatus();

src/mesh/SinglePortModule.h

@@ -3,7 +3,7 @@
 #include "Router.h"
 
 /**
- * Most modules are only interested in sending/receving one particular portnum.  This baseclass simplifies that common
+ * Most modules are only interested in sending/receiving one particular portnum.  This baseclass simplifies that common
  * case.
  */
 class SinglePortModule : public MeshModule

src/mesh/compression/unishox2.c

@@ -57,7 +57,7 @@ uint8_t usx_code_94[94];
 uint8_t usx_vcodes[] = {0x00, 0x40, 0x60, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xD8, 0xE0, 0xE4, 0xE8, 0xEC,
                         0xEE, 0xF0, 0xF2, 0xF4, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF};
 
-/// Length of each veritical code
+/// Length of each vertical code
 uint8_t usx_vcode_lens[] = {2, 3, 3, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8};
 
 /// Vertical Codes and Set number for frequent sequences in sets USX_SYM and USX_NUM. First 3 bits indicate set (USX_SYM/USX_NUM)
@@ -188,7 +188,7 @@ int append_switch_code(char *out, int olen, int ol, uint8_t state)
     return ol;
 }
 
-/// Appends given horizontal and veritical code bits to out
+/// Appends given horizontal and vertical code bits to out
 int append_code(char *out, int olen, int ol, uint8_t code, uint8_t *state, const uint8_t usx_hcodes[],
                 const uint8_t usx_hcode_lens[])
 {
@@ -888,7 +888,7 @@ int read8bitCode(const char *in, int len, int bit_no)
     return code;
 }
 
-/// The list of veritical codes is split into 5 sections. Used by readVCodeIdx()
+/// The list of vertical codes is split into 5 sections. Used by readVCodeIdx()
 #define SECTION_COUNT 5
 /// Used by readVCodeIdx() for finding the section under which the code read using read8bitCode() falls
 uint8_t usx_vsections[] = {0x7F, 0xBF, 0xDF, 0xEF, 0xFF};
@@ -915,7 +915,7 @@ uint8_t usx_vcode_lookup[36] = {(1 << 5) + 0,  (1 << 5) + 0,  (2 << 5) + 1,  (2
 /// compared to using a 256 uint8_t buffer to decode the next 8 bits read by read8bitCode() \n
 /// by splitting the list of vertical codes. \n
 /// Decoder is designed for using less memory, not speed. \n
-/// Returns the veritical code index or 99 if match could not be found. \n
+/// Returns the vertical code index or 99 if match could not be found. \n
 /// Also updates bit_no_p with how many ever bits used by the vertical code.
 int readVCodeIdx(const char *in, int len, int *bit_no_p)
 {

src/mesh/compression/unishox2.h

@@ -198,45 +198,45 @@
         2, 2, 2, 2, 0                                                                                                            \
     }
 
-/// Default frequently occuring sequences. When composition of text is know beforehand, the other sequences in this section can be
-/// used to achieve more compression.
+/// Default frequently occurring sequences. When composition of text is know beforehand, the other sequences in this section can
+/// be used to achieve more compression.
 #define USX_FREQ_SEQ_DFLT                                                                                                        \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         "\": \"", "\": ", "</", "=\"", "\":\"", "://"                                                                            \
     }
-/// Frequently occuring sequences in text content
+/// Frequently occurring sequences in text content
 #define USX_FREQ_SEQ_TXT                                                                                                         \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         " the ", " and ", "tion", " with", "ing", "ment"                                                                         \
     }
-/// Frequently occuring sequences in URL content
+/// Frequently occurring sequences in URL content
 #define USX_FREQ_SEQ_URL                                                                                                         \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         "https://", "www.", ".com", "http://", ".org", ".net"                                                                    \
     }
-/// Frequently occuring sequences in JSON content
+/// Frequently occurring sequences in JSON content
 #define USX_FREQ_SEQ_JSON                                                                                                        \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         "\": \"", "\": ", "\",", "}}}", "\":\"", "}}"                                                                            \
     }
-/// Frequently occuring sequences in HTML content
+/// Frequently occurring sequences in HTML content
 #define USX_FREQ_SEQ_HTML                                                                                                        \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         "</", "=\"", "div", "href", "class", "<p>"                                                                               \
     }
-/// Frequently occuring sequences in XML content
+/// Frequently occurring sequences in XML content
 #define USX_FREQ_SEQ_XML                                                                                                         \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
         "</", "=\"", "\">", "<?xml version=\"1.0\"", "xmlns:", "://"                                                             \
     }
 
-/// Commonly occuring templates (ISO Date/Time, ISO Date, US Phone number, ISO Time, Unused)
+/// Commonly occurring templates (ISO Date/Time, ISO Date, US Phone number, ISO Time, Unused)
 #define USX_TEMPLATES                                                                                                            \
     (const char *[])                                                                                                             \
     {                                                                                                                            \
@@ -333,8 +333,8 @@ extern int unishox2_decompress_simple(const char *in, int len, char *out);
  * @param[in] olen           length of 'out' buffer in bytes. Can be omitted if sufficient buffer is provided
  * @param[in] usx_hcodes     Horizontal codes (array of bytes). See macro section for samples.
  * @param[in] usx_hcode_lens Length of each element in usx_hcodes array
- * @param[in] usx_freq_seq   Frequently occuring sequences. See USX_FREQ_SEQ_* macros for samples
- * @param[in] usx_templates  Templates of frequently occuring patterns. See USX_TEMPLATES macro.
+ * @param[in] usx_freq_seq   Frequently occurring sequences. See USX_FREQ_SEQ_* macros for samples
+ * @param[in] usx_templates  Templates of frequently occurring patterns. See USX_TEMPLATES macro.
  */
 extern int unishox2_compress(const char *in, int len, UNISHOX_API_OUT_AND_LEN(char *out, int olen),
                              const unsigned char usx_hcodes[], const unsigned char usx_hcode_lens[], const char *usx_freq_seq[],
@@ -352,8 +352,8 @@ extern int unishox2_compress(const char *in, int len, UNISHOX_API_OUT_AND_LEN(ch
  * @param[in] olen           length of 'out' buffer in bytes. Can be omitted if sufficient buffer is provided
  * @param[in] usx_hcodes     Horizontal codes (array of bytes). See macro section for samples.
  * @param[in] usx_hcode_lens Length of each element in usx_hcodes array
- * @param[in] usx_freq_seq   Frequently occuring sequences. See USX_FREQ_SEQ_* macros for samples
- * @param[in] usx_templates  Templates of frequently occuring patterns. See USX_TEMPLATES macro.
+ * @param[in] usx_freq_seq   Frequently occurring sequences. See USX_FREQ_SEQ_* macros for samples
+ * @param[in] usx_templates  Templates of frequently occurring patterns. See USX_TEMPLATES macro.
  */
 extern int unishox2_decompress(const char *in, int len, UNISHOX_API_OUT_AND_LEN(char *out, int olen),
                                const unsigned char usx_hcodes[], const unsigned char usx_hcode_lens[], const char *usx_freq_seq[],
@@ -373,7 +373,7 @@ extern int unishox2_compress_lines(const char *in, int len, UNISHOX_API_OUT_AND_
                                    const char *usx_freq_seq[], const char *usx_templates[], struct us_lnk_lst *prev_lines);
 /**
  * More Comprehensive API for de-compressing array of strings \n
- * This function is not be used in conjuction with unishox2_compress_lines()
+ * This function is not be used in conjunction with unishox2_compress_lines()
  *
  * See unishox2_decompress() function for parameter definitions. \n
  * Typically an array is compressed using unishox2_compress_lines() and \n

src/mesh/generated/meshtastic/telemetry.pb.h

@@ -63,7 +63,7 @@ typedef struct _meshtastic_EnvironmentMetrics {
     float relative_humidity;
     /* Barometric pressure in hPA measured */
     float barometric_pressure;
-    /* Gas resistance in mOhm measured */
+    /* Gas resistance in MOhm measured */
     float gas_resistance;
     /* Voltage measured */
     float voltage;

src/mesh/http/ContentHandler.cpp

@@ -165,7 +165,7 @@ void handleAPIv1FromRadio(HTTPRequest *req, HTTPResponse *res)
 
     if (params->getQueryParameter("all", valueAll)) {
 
-        // If all is ture, return all the buffers we have available
+        // If all is true, return all the buffers we have available
         //   to us at this point in time.
         if (valueAll == "true") {
             while (len) {
@@ -179,7 +179,7 @@ void handleAPIv1FromRadio(HTTPRequest *req, HTTPResponse *res)
             res->write(txBuf, len);
         }
 
-        // the param "all" was not spcified. Return just one protobuf
+        // the param "all" was not specified. Return just one protobuf
     } else {
         len = webAPI.getFromRadio(txBuf);
         res->write(txBuf, len);
@@ -460,7 +460,7 @@ void handleFormUpload(HTTPRequest *req, HTTPResponse *res)
     HTTPBodyParser *parser;
     std::string contentType = req->getHeader("Content-Type");
 
-    // The content type may have additional properties after a semicolon, for exampel:
+    // The content type may have additional properties after a semicolon, for example:
     // Content-Type: text/html;charset=utf-8
     // Content-Type: multipart/form-data;boundary=------s0m3w31rdch4r4c73rs
     // As we're interested only in the actual mime _type_, we strip everything after the

src/mesh/http/WebServer.cpp

@@ -15,7 +15,7 @@
 #include "esp_task_wdt.h"
 #endif
 
-// Persistant Data Storage
+// Persistent Data Storage
 #include <Preferences.h>
 Preferences prefs;
 

src/mesh/mesh-pb-constants.cpp

@@ -14,7 +14,7 @@ size_t pb_encode_to_bytes(uint8_t *destbuf, size_t destbufsize, const pb_msgdesc
     if (!pb_encode(&stream, fields, src_struct)) {
         LOG_ERROR("Panic: can't encode protobuf reason='%s'\n", PB_GET_ERROR(&stream));
         assert(
-            0); // If this asser fails it probably means you made a field too large for the max limits specified in mesh.options
+            0); // If this assert fails it probably means you made a field too large for the max limits specified in mesh.options
     } else {
         return stream.bytes_written;
     }

src/modules/CannedMessageModule.cpp

@@ -4,7 +4,7 @@
 #include "FSCommon.h"
 #include "MeshService.h"
 #include "NodeDB.h"
-#include "PowerFSM.h" // neede for button bypass
+#include "PowerFSM.h" // needed for button bypass
 #include "detect/ScanI2C.h"
 #include "mesh/generated/meshtastic/cannedmessages.pb.h"
 

src/modules/RangeTestModule.cpp

@@ -54,7 +54,7 @@ int32_t RangeTestModule::runOnce()
             if (moduleConfig.range_test.sender) {
                 LOG_INFO("Initializing Range Test Module -- Sender\n");
                 started = millis(); // make a note of when we started
-                return (5000);      // Sending first message 5 seconds after initilization.
+                return (5000);      // Sending first message 5 seconds after initialization.
             } else {
                 LOG_INFO("Initializing Range Test Module -- Receiver\n");
                 return disable();
@@ -147,8 +147,8 @@ ProcessMessage RangeTestModuleRadio::handleReceived(const meshtastic_MeshPacket
             LOG_DEBUG("mp.from          %d\n", mp.from);
             LOG_DEBUG("mp.rx_snr        %f\n", mp.rx_snr);
             LOG_DEBUG("mp.hop_limit     %d\n", mp.hop_limit);
-            // LOG_DEBUG("mp.decoded.position.latitude_i     %d\n", mp.decoded.position.latitude_i); // Depricated
-            // LOG_DEBUG("mp.decoded.position.longitude_i    %d\n", mp.decoded.position.longitude_i); // Depricated
+            // LOG_DEBUG("mp.decoded.position.latitude_i     %d\n", mp.decoded.position.latitude_i); // Deprecated
+            // LOG_DEBUG("mp.decoded.position.longitude_i    %d\n", mp.decoded.position.longitude_i); // Deprecated
             LOG_DEBUG("---- Node Information of Received Packet (mp.from):\n");
             LOG_DEBUG("n->user.long_name         %s\n", n->user.long_name);
             LOG_DEBUG("n->user.short_name        %s\n", n->user.short_name);
@@ -186,8 +186,8 @@ bool RangeTestModuleRadio::appendFile(const meshtastic_MeshPacket &mp)
         LOG_DEBUG("mp.from          %d\n", mp.from);
         LOG_DEBUG("mp.rx_snr        %f\n", mp.rx_snr);
         LOG_DEBUG("mp.hop_limit     %d\n", mp.hop_limit);
-        // LOG_DEBUG("mp.decoded.position.latitude_i     %d\n", mp.decoded.position.latitude_i);  // Depricated
-        // LOG_DEBUG("mp.decoded.position.longitude_i    %d\n", mp.decoded.position.longitude_i); // Depricated
+        // LOG_DEBUG("mp.decoded.position.latitude_i     %d\n", mp.decoded.position.latitude_i);  // Deprecated
+        // LOG_DEBUG("mp.decoded.position.longitude_i    %d\n", mp.decoded.position.longitude_i); // Deprecated
         LOG_DEBUG("---- Node Information of Received Packet (mp.from):\n");
         LOG_DEBUG("n->user.long_name         %s\n", n->user.long_name);
         LOG_DEBUG("n->user.short_name        %s\n", n->user.short_name);

src/modules/SerialModule.cpp

@@ -33,11 +33,11 @@
            to your device.
 
     TODO (in this order):
-        * Define a verbose RX mode to report on mesh and packet infomration.
+        * Define a verbose RX mode to report on mesh and packet information.
             - This won't happen any time soon.
 
     KNOWN PROBLEMS
-        * Until the module is initilized by the startup sequence, the TX pin is in a floating
+        * Until the module is initialized by the startup sequence, the TX pin is in a floating
           state. Device connected to that pin may see this as "noise".
         * Will not work on Linux device targets.
 

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -86,6 +86,10 @@ int32_t EnvironmentTelemetryModule::runOnce()
                 result = lps22hbSensor.runOnce();
             if (sht31Sensor.hasSensor())
                 result = sht31Sensor.runOnce();
+            if (ina219Sensor.hasSensor() && !ina219Sensor.isInitialized())
+                result = ina219Sensor.runOnce();
+            if (ina260Sensor.hasSensor() && !ina260Sensor.isInitialized())
+                result = ina260Sensor.runOnce();
         }
         return result;
     } else {

src/modules/esp32/StoreForwardModule.cpp

@@ -62,7 +62,7 @@ void StoreForwardModule::populatePSRAM()
         https://learn.upesy.com/en/programmation/psram.html#psram-tab
     */
 
-    LOG_DEBUG("*** Before PSRAM initilization: heap %d/%d PSRAM %d/%d\n", memGet.getFreeHeap(), memGet.getHeapSize(),
+    LOG_DEBUG("*** Before PSRAM initialization: heap %d/%d PSRAM %d/%d\n", memGet.getFreeHeap(), memGet.getHeapSize(),
               memGet.getFreePsram(), memGet.getPsramSize());
 
     this->packetHistoryTXQueue =
@@ -77,7 +77,7 @@ void StoreForwardModule::populatePSRAM()
 
     this->packetHistory = static_cast<PacketHistoryStruct *>(ps_calloc(numberOfPackets, sizeof(PacketHistoryStruct)));
 
-    LOG_DEBUG("*** After PSRAM initilization: heap %d/%d PSRAM %d/%d\n", memGet.getFreeHeap(), memGet.getHeapSize(),
+    LOG_DEBUG("*** After PSRAM initialization: heap %d/%d PSRAM %d/%d\n", memGet.getFreeHeap(), memGet.getHeapSize(),
               memGet.getFreePsram(), memGet.getPsramSize());
     LOG_DEBUG("*** numberOfPackets for packetHistory - %u\n", numberOfPackets);
 }

src/mqtt/JSONValue.cpp

@@ -282,7 +282,7 @@ JSONValue *JSONValue::Parse(const char **data)
         return NULL;
     }
 
-    // Ran out of possibilites, it's bad!
+    // Ran out of possibilities, it's bad!
     else {
         return NULL;
     }

src/mqtt/MQTT.cpp

@@ -290,7 +290,7 @@ void MQTT::reconnect()
         pubSub.setServer(serverAddr, serverPort);
         pubSub.setBufferSize(512);
 
-        LOG_INFO("Attempting to connnect directly to MQTT server %s, port: %d, username: %s, password: %s\n", serverAddr,
+        LOG_INFO("Attempting to connect directly to MQTT server %s, port: %d, username: %s, password: %s\n", serverAddr,
                  serverPort, mqttUsername, mqttPassword);
 
         auto myStatus = (statusTopic + owner.id);

src/mqtt/MQTT.h

@@ -53,7 +53,7 @@ class MQTT : private concurrency::OSThread
      * @param chIndex the index of the channel for this message
      *
      * Note: for messages we are forwarding on the mesh that we can't find the channel for (because we don't have the keys), we
-     * can not forward those messages to the cloud - becuase no way to find a global channel ID.
+     * can not forward those messages to the cloud - because no way to find a global channel ID.
      */
     void onSend(const meshtastic_MeshPacket &mp, ChannelIndex chIndex);
 

src/platform/esp32/CallbackCharacteristic.h

@@ -3,7 +3,7 @@
 #include "PowerFSM.h" // FIXME - someday I want to make this OTA thing a separate lb at at that point it can't touch this
 
 /**
- * A characterstic with a set of overridable callbacks
+ * A characteristic with a set of overridable callbacks
  */
 class CallbackCharacteristic : public BLECharacteristic, public BLECharacteristicCallbacks
 {

src/platform/esp32/architecture.h

@@ -97,6 +97,10 @@
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_V3
 #elif defined(HELTEC_WSL_V3)
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_WSL_V3
+#elif defined(HELTEC_WIRELESS_TRACKER)
+#define HW_VENDOR meshtastic_HardwareModel_HELTEC_WIRELESS_TRACKER
+#elif defined(HELTEC_WIRELESS_PAPER)
+#define HW_VENDOR meshtastic_HardwareModel_HELTEC_WIRELESS_PAPER
 #elif defined(TLORA_T3S3_V1)
 #define HW_VENDOR meshtastic_HardwareModel_TLORA_T3_S3
 #elif defined(BETAFPV_2400_TX)

src/platform/esp32/main-esp32.cpp

@@ -99,7 +99,7 @@ void esp32Setup()
 
     LOG_DEBUG("Setup Preferences in Flash Storage\n");
 
-    // Create object to store our persistant data
+    // Create object to store our persistent data
     Preferences preferences;
     preferences.begin("meshtastic", false);
 

src/platform/nrf52/JLINK_MONITOR_ISR_SES.S

@@ -136,7 +136,7 @@ Purpose : Implementation of debug monitor for J-Link monitor mode
 *    This handler is also responsible for handling commands that are sent by the debugger.
 *
 *  Notes 
-*    This is actually the ISR for the debug inerrupt (exception no. 12)
+*    This is actually the ISR for the debug interrupt (exception no. 12)
 */ 
         .thumb_func
 

src/platform/nrf52/NRF52Bluetooth.cpp

@@ -17,7 +17,7 @@ static BLEBas blebas; // BAS (Battery Service) helper class instance
 static BLEDfu bledfu; // DFU software update helper service
 
 // This scratch buffer is used for various bluetooth reads/writes - but it is safe because only one bt operation can be in
-// proccess at once
+// process at once
 // static uint8_t trBytes[_max(_max(_max(_max(ToRadio_size, RadioConfig_size), User_size), MyNodeInfo_size), FromRadio_size)];
 static uint8_t fromRadioBytes[meshtastic_FromRadio_size];
 static uint8_t toRadioBytes[meshtastic_ToRadio_size];

src/platform/portduino/SimRadio.cpp

@@ -92,7 +92,7 @@ void SimRadio::completeSending()
     }
 }
 
-/** Could we send right now (i.e. either not actively receving or transmitting)? */
+/** Could we send right now (i.e. either not actively receiving or transmitting)? */
 bool SimRadio::canSendImmediately()
 {
     // We wait _if_ we are partially though receiving a packet (rather than just merely waiting for one).

src/platform/stm32wl/InternalFileSystem.cpp

@@ -49,7 +49,7 @@ static int _internal_flash_read(const struct lfs_config *c, lfs_block_t block, l
 }
 
 // Program a region in a block. The block must have previously
-// been erased. Negative error codes are propogated to the user.
+// been erased. Negative error codes are propagated to the user.
 // May return LFS_ERR_CORRUPT if the block should be considered bad.
 static int _internal_flash_prog(const struct lfs_config *c, lfs_block_t block, lfs_off_t off, const void *buffer, lfs_size_t size)
 {
@@ -67,7 +67,7 @@ static int _internal_flash_prog(const struct lfs_config *c, lfs_block_t block, l
 
 // Erase a block. A block must be erased before being programmed.
 // The state of an erased block is undefined. Negative error codes
-// are propogated to the user.
+// are propagated to the user.
 // May return LFS_ERR_CORRUPT if the block should be considered bad.
 static int _internal_flash_erase(const struct lfs_config *c, lfs_block_t block)
 {
@@ -84,7 +84,7 @@ static int _internal_flash_erase(const struct lfs_config *c, lfs_block_t block)
 }
 
 // Sync the state of the underlying block device. Negative error codes
-// are propogated to the user.
+// are propagated to the user.
 static int _internal_flash_sync(const struct lfs_config *c)
 {
     // we don't use a ram cache, this is a noop

src/sleep.cpp

@@ -250,7 +250,7 @@ void doDeepSleep(uint32_t msecToWake)
         //
         // No need to turn this off if the power draw in sleep mode really is just 0.2uA and turning it off would
         // leave floating input for the IRQ line
-        // If we want to leave the radio receving in would be 11.5mA current draw, but most of the time it is just waiting
+        // If we want to leave the radio receiving in would be 11.5mA current draw, but most of the time it is just waiting
         // in its sequencer (true?) so the average power draw should be much lower even if we were listinging for packets
         // all the time.
 

variants/diy/hydra/variant.h

@@ -0,0 +1,41 @@
+// For OLED LCD
+#define I2C_SDA 21
+#define I2C_SCL 22
+
+// GPS
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 12
+#define GPS_TX_PIN 15
+#define GPS_UBLOX
+#define PIN_GPS_EN 4
+
+#define BUTTON_PIN 39  // The middle button GPIO on the T-Beam
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO35_CHANNEL
+#define ADC_MULTIPLIER 1.85 // (R1 = 470k, R2 = 680k)
+#define EXT_PWR_DETECT 4    // Pin to detect connected external power source for LILYGO® TTGO T-Energy T18 and other DIY boards
+#define EXT_NOTIFY_OUT 12   // Overridden default pin to use for Ext Notify Module (#975).
+#define LED_PIN 2           // add status LED (compatible with core-pcb and DIY targets)
+
+#define LORA_DIO0 26  // a No connect on the SX1262/SX1268 module
+#define LORA_RESET 23 // RST for SX1276, and for SX1262/SX1268
+#define LORA_DIO1 33  // IRQ for SX1262/SX1268
+#define LORA_DIO2 32  // BUSY for SX1262/SX1268
+#define LORA_DIO3     // Not connected on PCB, but internally on the TTGO SX1262/SX1268, if DIO3 is high the TXCO is enabled
+
+#define RF95_SCK 5
+#define RF95_MISO 19
+#define RF95_MOSI 27
+#define RF95_NSS 18
+
+#define USE_SX1262
+
+#define SX126X_CS 18 // NSS for SX126X
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+
+// Set lora.tx_power to 13 for Hydra or other E22 900M30S target due to PA
+#define SX126X_MAX_POWER 13
+#define SX126X_E22

variants/diy/platformio.ini

@@ -34,3 +34,15 @@ build_flags =
   -D DR_DEV
   -D EBYTE_E22
   -I variants/diy/dr-dev
+
+; Hydra - Meshtastic DIY v1 hardware with some specific changes
+[env:hydra]
+extends = esp32_base
+board = esp32doit-devkit-v1
+board_level = extra
+build_flags =
+  ${esp32_base.build_flags}
+  -D DIY_V1
+  -D EBYTE_E22
+  -D GPS_POWER_TOGGLE
+  -I variants/diy/hydra

variants/heltec_v2.1/platformio.ini

@@ -4,4 +4,5 @@ extends = esp32_base
 board = heltec_wifi_lora_32_V2
 board_level = extra
 build_flags = 
-  ${esp32_base.build_flags} -D HELTEC_V2_1 -I variants/heltec_v2.1
+  ${esp32_base.build_flags} -D HELTEC_V2_1 -I variants/heltec_v2.1
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/heltec_v2.1/variant.h

@@ -8,6 +8,8 @@
 #define GPS_RX_PIN 36
 #define GPS_TX_PIN 33
 
+#define PIN_GPS_EN 37 // GPS power enable pin
+
 #ifndef USE_JTAG  // gpio15 is TDO for JTAG, so no I2C on this board while doing jtag
 #define I2C_SDA 4 // I2C pins for this board
 #define I2C_SCL 15

variants/heltec_wireless_paper/platformio.ini

@@ -0,0 +1,8 @@
+[env:heltec-wireless-paper]
+extends = esp32s3_base
+board = heltec_wifi_lora_32_V3
+build_flags = 
+  ${esp32s3_base.build_flags} -D HELTEC_WIRELESS_PAPER -I variants/heltec_wireless_paper
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  zinggjm/GxEPD2@^1.5.2

variants/heltec_wireless_paper/variant.h

@@ -0,0 +1,39 @@
+#define LED_PIN 18
+
+#define USE_EINK
+/*
+ * eink display pins
+ */
+#define PIN_EINK_CS 4
+#define PIN_EINK_BUSY 7
+#define PIN_EINK_DC 5
+#define PIN_EINK_RES 6
+#define PIN_EINK_SCLK 3
+#define PIN_EINK_MOSI 2
+
+#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
+#define BUTTON_PIN 0
+
+#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
+#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
+#define ADC_MULTIPLIER 4.9
+
+#define USE_SX1262
+
+#define LORA_DIO0 -1 // a No connect on the SX1262 module
+#define LORA_RESET 12
+#define LORA_DIO1 14 // SX1262 IRQ
+#define LORA_DIO2 13 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#define RF95_SCK 9
+#define RF95_MISO 11
+#define RF95_MOSI 10
+#define RF95_NSS 8
+
+#define SX126X_CS RF95_NSS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_E22

variants/heltec_wireless_tracker/pins_arduino.h

@@ -0,0 +1,80 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include "soc/soc_caps.h"
+#include <stdint.h>
+
+#define WIFI_LoRa_32_V3 true
+#define DISPLAY_HEIGHT 64
+#define DISPLAY_WIDTH 128
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+#define EXTERNAL_NUM_INTERRUPTS 46
+#define NUM_DIGITAL_PINS 48
+#define NUM_ANALOG_INPUTS 20
+
+static const uint8_t LED_BUILTIN = 18;
+#define BUILTIN_LED LED_BUILTIN // backward compatibility
+#define LED_BUILTIN LED_BUILTIN
+
+#define analogInputToDigitalPin(p) (((p) < 20) ? (analogChannelToDigitalPin(p)) : -1)
+#define digitalPinToInterrupt(p) (((p) < 48) ? (p) : -1)
+#define digitalPinHasPWM(p) (p < 46)
+
+static const uint8_t TX = 43;
+static const uint8_t RX = 44;
+
+static const uint8_t SDA = 41;
+static const uint8_t SCL = 42;
+
+static const uint8_t SS = 8;
+static const uint8_t MOSI = 10;
+static const uint8_t MISO = 11;
+static const uint8_t SCK = 9;
+
+static const uint8_t A0 = 1;
+static const uint8_t A1 = 2;
+static const uint8_t A2 = 3;
+static const uint8_t A3 = 4;
+static const uint8_t A4 = 5;
+static const uint8_t A5 = 6;
+static const uint8_t A6 = 7;
+static const uint8_t A7 = 8;
+static const uint8_t A8 = 9;
+static const uint8_t A9 = 10;
+static const uint8_t A10 = 11;
+static const uint8_t A11 = 12;
+static const uint8_t A12 = 13;
+static const uint8_t A13 = 14;
+static const uint8_t A14 = 15;
+static const uint8_t A15 = 16;
+static const uint8_t A16 = 17;
+static const uint8_t A17 = 18;
+static const uint8_t A18 = 19;
+static const uint8_t A19 = 20;
+
+static const uint8_t T1 = 1;
+static const uint8_t T2 = 2;
+static const uint8_t T3 = 3;
+static const uint8_t T4 = 4;
+static const uint8_t T5 = 5;
+static const uint8_t T6 = 6;
+static const uint8_t T7 = 7;
+static const uint8_t T8 = 8;
+static const uint8_t T9 = 9;
+static const uint8_t T10 = 10;
+static const uint8_t T11 = 11;
+static const uint8_t T12 = 12;
+static const uint8_t T13 = 13;
+static const uint8_t T14 = 14;
+
+static const uint8_t Vext = 36;
+static const uint8_t LED = 18;
+
+static const uint8_t RST_LoRa = 12;
+static const uint8_t BUSY_LoRa = 13;
+static const uint8_t DIO0 = 14;
+
+#endif /* Pins_Arduino_h */

variants/heltec_wireless_tracker/platformio.ini

@@ -0,0 +1,11 @@
+[env:heltec-wireless-tracker]
+extends = esp32s3_base
+board = heltec_wireless_tracker
+upload_protocol = esp-builtin
+
+build_flags = 
+  ${esp32s3_base.build_flags} -I variants/heltec_wireless_tracker
+
+lib_deps =
+  ${esp32s3_base.lib_deps}
+  lovyan03/LovyanGFX@^1.1.7

variants/heltec_wireless_tracker/variant.h

@@ -0,0 +1,59 @@
+#define LED_PIN 18
+
+// ST7735S TFT LCD
+#define ST7735S 1 // there are different (sub-)versions of ST7735
+#define ST7735_CS 38
+#define ST7735_RS 40  // DC
+#define ST7735_SDA 42 // MOSI
+#define ST7735_SCK 41
+#define ST7735_RESET 39
+#define ST7735_MISO -1
+#define ST7735_BUSY -1
+#define ST7735_BL 45
+#define ST7735_SPI_HOST SPI3_HOST
+#define ST7735_BACKLIGHT_EN 45
+#define SPI_FREQUENCY 40000000
+#define SPI_READ_FREQUENCY 16000000
+#define SCREEN_ROTATE
+#define TFT_HEIGHT 160
+#define TFT_WIDTH 80
+#define TFT_OFFSET_X 26
+#define TFT_OFFSET_Y 0
+#define VTFT_CTRL 46                  // Heltec Tracker needs this pulled low for TFT
+#define SCREEN_TRANSITION_FRAMERATE 1 // fps
+
+#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
+#define BUTTON_PIN 0
+
+#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
+#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
+#define ADC_MULTIPLIER 4.9
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 33
+#define GPS_TX_PIN 34
+#define PIN_GPS_RESET 35
+#define PIN_GPS_PPS 36
+#define VGNSS_CTRL 37 // Heltec Tracker needs this pulled low for GPS
+#define GPS_RESET_MODE LOW
+#define GPS_UC6580
+
+#define USE_SX1262
+#define LORA_DIO0 -1 // a No connect on the SX1262 module
+#define LORA_RESET 12
+#define LORA_DIO1 14 // SX1262 IRQ
+#define LORA_DIO2 13 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#define RF95_SCK 9
+#define RF95_MISO 11
+#define RF95_MOSI 10
+#define RF95_NSS 8
+
+#define SX126X_CS RF95_NSS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_E22

variants/m5stack_coreink/variant.h

@@ -1,7 +1,19 @@
+// Primary I2C Bus includes PCF8563 RTC Module
 #define I2C_SDA 21
 #define I2C_SCL 22
 
-// LED?
+// 7-07-2023 Or enable Secondary I2C Bus
+//#define I2C_SDA1 32
+//#define I2C_SCL1 33
+
+#define HAS_GPS 1
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+// Use Secondary I2C Bus as GPS Serial
+#define GPS_RX_PIN 33
+#define GPS_TX_PIN 32
+
+// Green LED
 #define LED_INVERTED 0
 #define LED_PIN 10
 
@@ -37,10 +49,6 @@
 #define LORA_DIO1 RADIOLIB_NC
 #define LORA_DIO2 RADIOLIB_NC
 
-// This board has no GPS for now
-#undef GPS_RX_PIN
-#undef GPS_TX_PIN
-
 #define USE_EINK
 // https://docs.m5stack.com/en/core/coreink
 // https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/coreink/coreink_sch.pdf

variants/tlora_t3s3_v1/platformio.ini

@@ -4,4 +4,5 @@ board = tlora-t3s3-v1
 upload_protocol = esp-builtin
 
 build_flags = 
-  ${esp32_base.build_flags} -D TLORA_T3S3_V1 -I variants/tlora_t3s3_v1
+  ${esp32_base.build_flags} -D TLORA_T3S3_V1 -I variants/tlora_t3s3_v1
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/tlora_t3s3_v1/variant.h

@@ -1,6 +1,8 @@
 #undef GPS_RX_PIN
 #undef GPS_TX_PIN
 
+#define PIN_GPS_EN 42 // GPS power enable pin
+
 #define HAS_SDCARD
 #define SDCARD_USE_SPI1
 

variants/tlora_v2_1_16/platformio.ini

@@ -2,4 +2,5 @@
 extends = esp32_base
 board = ttgo-lora32-v21
 build_flags = 
-  ${esp32_base.build_flags} -D TLORA_V2_1_16 -I variants/tlora_v2_1_16
+  ${esp32_base.build_flags} -D TLORA_V2_1_16 -I variants/tlora_v2_1_16
+  -DGPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.

variants/tlora_v2_1_16/variant.h

@@ -3,6 +3,8 @@
 #define GPS_RX_PIN 15 // per @der_bear on the forum, 36 is incorrect for this board type and 15 is a better pick
 #define GPS_TX_PIN 13
 
+#define PIN_GPS_EN 19 // GPS power enable pin
+
 #define BATTERY_PIN 35
 #define ADC_CHANNEL ADC1_GPIO35_CHANNEL
 #define BATTERY_SENSE_SAMPLES 30

version.properties

@@ -1,4 +1,4 @@
 [VERSION]  
 major = 2
 minor = 1
-build = 18
+build = 19