ThinkNode G3, ETH support WIP

* Swap the GPS serial port pins.

* Trunk fixes

---------

Co-authored-by: Jason P <applewiz@mac.com>
Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

.github/workflows/build_one_arch.yml

@@ -1,176 +0,0 @@
-name: Build One Arch
-
-on:
-  workflow_dispatch:
-    inputs:
-      # trunk-ignore(checkov/CKV_GHA_7)
-      arch:
-        type: choice
-        options:
-          - esp32
-          - esp32s3
-          - esp32c3
-          - esp32c6
-          - nrf52840
-          - rp2040
-          - rp2350
-          - stm32
-          - native
-
-permissions: read-all
-
-env:
-  INPUT_ARCH: ${{ github.event.inputs.arch }}
-
-jobs:
-  setup:
-    runs-on: ubuntu-24.04
-    steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
-        with:
-          python-version: 3.x
-          cache: pip
-      - run: pip install -U platformio
-      - name: Generate matrix
-        id: jsonStep
-        run: |
-          TARGETS=$(./bin/generate_ci_matrix.py $INPUT_ARCH --level extra)
-          echo "Name: $GITHUB_REF_NAME Base: $GITHUB_BASE_REF Ref: $GITHUB_REF"
-          echo "selected_arch=$TARGETS" >> $GITHUB_OUTPUT
-    outputs:
-      selected_arch: ${{ steps.jsonStep.outputs.selected_arch }}
-
-  version:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v6
-      - name: Get release version string
-        run: |
-          echo "long=$(./bin/buildinfo.py long)" >> $GITHUB_OUTPUT
-          echo "deb=$(./bin/buildinfo.py deb)" >> $GITHUB_OUTPUT
-        id: version
-        env:
-          BUILD_LOCATION: local
-    outputs:
-      long: ${{ steps.version.outputs.long }}
-      deb: ${{ steps.version.outputs.deb }}
-
-  build:
-    if: ${{ github.event_name != 'workflow_dispatch' }}
-    needs: [setup, version]
-    strategy:
-      fail-fast: false
-      matrix:
-        build: ${{ fromJson(needs.setup.outputs.selected_arch) }}
-    uses: ./.github/workflows/build_firmware.yml
-    with:
-      version: ${{ needs.version.outputs.long }}
-      pio_env: ${{ matrix.build.board }}
-      platform: ${{ matrix.build.arch }}
-
-  build-debian-src:
-    if: ${{ github.repository == 'meshtastic/firmware' && github.event_name != 'workflow_dispatch' || inputs.arch == 'native' }}
-    uses: ./.github/workflows/build_debian_src.yml
-    with:
-      series: UNRELEASED
-      build_location: local
-    secrets: inherit
-
-  package-pio-deps-native-tft:
-    if: ${{ inputs.arch == 'native' }}
-    uses: ./.github/workflows/package_pio_deps.yml
-    with:
-      pio_env: native-tft
-    secrets: inherit
-
-  test-native:
-    if: ${{ !contains(github.ref_name, 'event/') && github.event_name != 'workflow_dispatch' ||  !contains(github.ref_name, 'event/') && inputs.arch == 'native' }}
-    uses: ./.github/workflows/test_native.yml
-
-  gather-artifacts:
-    permissions:
-      contents: write
-      pull-requests: write
-    strategy:
-      fail-fast: false
-      matrix:
-        arch:
-          - esp32
-          - esp32s3
-          - esp32c3
-          - esp32c6
-          - nrf52840
-          - rp2040
-          - rp2350
-          - stm32
-    runs-on: ubuntu-latest
-    needs: [version, build]
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-        with:
-          ref: ${{github.event.pull_request.head.ref}}
-          repository: ${{github.event.pull_request.head.repo.full_name}}
-
-      - uses: actions/download-artifact@v6
-        with:
-          path: ./
-          pattern: firmware-${{inputs.arch}}-*
-          merge-multiple: true
-
-      - name: Display structure of downloaded files
-        run: ls -R
-
-      - name: Move files up
-        run: mv -b -t ./ ./bin/device-*.sh ./bin/device-*.bat
-
-      - name: Repackage in single firmware zip
-        uses: actions/upload-artifact@v5
-        with:
-          name: firmware-${{inputs.arch}}-${{ needs.version.outputs.long }}
-          overwrite: true
-          path: |
-            ./firmware-*.bin
-            ./firmware-*.uf2
-            ./firmware-*.hex
-            ./firmware-*-ota.zip
-            ./device-*.sh
-            ./device-*.bat
-            ./littlefs-*.bin
-            ./bleota*bin
-            ./Meshtastic_nRF52_factory_erase*.uf2
-          retention-days: 30
-
-      - uses: actions/download-artifact@v6
-        with:
-          name: firmware-${{inputs.arch}}-${{ needs.version.outputs.long }}
-          merge-multiple: true
-          path: ./output
-
-      # For diagnostics
-      - name: Show artifacts
-        run: ls -lR
-
-      - name: Device scripts permissions
-        run: |
-          chmod +x ./output/device-install.sh
-          chmod +x ./output/device-update.sh
-
-      - name: Zip firmware
-        run: zip -j -9 -r ./firmware-${{inputs.arch}}-${{ needs.version.outputs.long }}.zip ./output
-
-      - name: Repackage in single elfs zip
-        uses: actions/upload-artifact@v5
-        with:
-          name: debug-elfs-${{inputs.arch}}-${{ needs.version.outputs.long }}.zip
-          overwrite: true
-          path: ./*.elf
-          retention-days: 30
-
-      - uses: scruplelesswizard/comment-artifact@main
-        if: ${{ github.event_name == 'pull_request' }}
-        with:
-          name: firmware-${{inputs.arch}}-${{ needs.version.outputs.long }}
-          description: "Download firmware-${{inputs.arch}}-${{ needs.version.outputs.long }}.zip. This artifact will be available for 90 days from creation"
-          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/build_one_target.yml

@@ -15,7 +15,6 @@ on:
           - rp2040
           - rp2350
           - stm32
-          - native
       target:
         type: string
         required: false
@@ -42,7 +41,6 @@ jobs:
           - rp2040
           - rp2350
           - stm32
-
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v6
@@ -60,7 +58,7 @@ jobs:
           echo "Arch: ${{matrix.arch}}" >> $GITHUB_STEP_SUMMARY
           echo "Ref: $GITHUB_REF" >> $GITHUB_STEP_SUMMARY
           echo "Targets:" >> $GITHUB_STEP_SUMMARY
-          echo $TARGETS >> $GITHUB_STEP_SUMMARY
+          echo $TARGETS | jq -r 'sort_by(.board) |.[] | "- " + .board' >> $GITHUB_STEP_SUMMARY
 
   version:
     if: ${{ inputs.target != '' }}
@@ -87,25 +85,6 @@ jobs:
       pio_env: ${{ inputs.target }}
       platform: ${{ inputs.arch }}
 
-  build-debian-src:
-    if: ${{ github.repository == 'meshtastic/firmware' && inputs.arch == 'native' }}
-    uses: ./.github/workflows/build_debian_src.yml
-    with:
-      series: UNRELEASED
-      build_location: local
-    secrets: inherit
-
-  package-pio-deps-native-tft:
-    if: ${{ inputs.arch == 'native' }}
-    uses: ./.github/workflows/package_pio_deps.yml
-    with:
-      pio_env: native-tft
-    secrets: inherit
-
-  test-native:
-    if: ${{ !contains(github.ref_name, 'event/') && github.event_name != 'workflow_dispatch' ||  !contains(github.ref_name, 'event/') && inputs.arch == 'native' && inputs.target != '' }}
-    uses: ./.github/workflows/test_native.yml
-
   gather-artifacts:
     permissions:
       contents: write

src/DebugConfiguration.h

@@ -13,6 +13,11 @@ extern MemGet memGet;
 #define LED_STATE_ON 1
 #endif
 
+// WIFI LED
+#ifndef WIFI_STATE_ON
+#define WIFI_STATE_ON 1
+#endif
+
 // -----------------------------------------------------------------------------
 // DEBUG
 // -----------------------------------------------------------------------------
@@ -147,7 +152,9 @@ extern "C" void logLegacy(const char *level, const char *fmt, ...);
 // Default Bluetooth PIN
 #define defaultBLEPin 123456
 
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && defined(USE_CH390D)
+#include <ESP32_CH390.h>
+#elif HAS_ETHERNET && !defined(USE_WS5500)
 #include <RAK13800_W5100S.h>
 #endif // HAS_ETHERNET
 

src/gps/GPS.cpp

@@ -38,14 +38,16 @@ template <typename T, std::size_t N> std::size_t array_count(const T (&)[N])
     return N;
 }
 
-#if defined(NRF52840_XXAA) || defined(NRF52833_XXAA) || defined(ARCH_ESP32) || defined(ARCH_PORTDUINO) || defined(ARCH_STM32WL)
-#if defined(GPS_SERIAL_PORT)
-HardwareSerial *GPS::_serial_gps = &GPS_SERIAL_PORT;
-#else
-HardwareSerial *GPS::_serial_gps = &Serial1;
+#ifndef GPS_SERIAL_PORT
+#define GPS_SERIAL_PORT Serial1
 #endif
+
+#if defined(ARCH_NRF52)
+Uart *GPS::_serial_gps = &GPS_SERIAL_PORT;
+#elif defined(ARCH_ESP32) || defined(ARCH_PORTDUINO) || defined(ARCH_STM32WL)
+HardwareSerial *GPS::_serial_gps = &GPS_SERIAL_PORT;
 #elif defined(ARCH_RP2040)
-SerialUART *GPS::_serial_gps = &Serial1;
+SerialUART *GPS::_serial_gps = &GPS_SERIAL_PORT;
 #else
 HardwareSerial *GPS::_serial_gps = nullptr;
 #endif
@@ -1525,10 +1527,7 @@ GPS *GPS::createGps()
     int8_t _rx_gpio = config.position.rx_gpio;
     int8_t _tx_gpio = config.position.tx_gpio;
     int8_t _en_gpio = config.position.gps_en_gpio;
-#if HAS_GPS && !defined(ARCH_ESP32)
-    _rx_gpio = 1; // We only specify GPS serial ports on ESP32. Otherwise, these are just flags.
-    _tx_gpio = 1;
-#endif
+
 #if defined(GPS_RX_PIN)
     if (!_rx_gpio)
         _rx_gpio = GPS_RX_PIN;
@@ -1602,16 +1601,28 @@ GPS *GPS::createGps()
         _serial_gps->setRxBufferSize(SERIAL_BUFFER_SIZE); // the default is 256
 #endif
 
-//  ESP32 has a special set of parameters vs other arduino ports
-#if defined(ARCH_ESP32)
         LOG_DEBUG("Use GPIO%d for GPS RX", new_gps->rx_gpio);
         LOG_DEBUG("Use GPIO%d for GPS TX", new_gps->tx_gpio);
+
+//  ESP32 has a special set of parameters vs other arduino ports
+#if defined(ARCH_ESP32)
         _serial_gps->begin(GPS_BAUDRATE, SERIAL_8N1, new_gps->rx_gpio, new_gps->tx_gpio);
 #elif defined(ARCH_RP2040)
+        _serial_gps->setPinout(new_gps->tx_gpio, new_gps->rx_gpio);
         _serial_gps->setFIFOSize(256);
         _serial_gps->begin(GPS_BAUDRATE);
-#else
+#elif defined(ARCH_NRF52)
+        _serial_gps->setPins(new_gps->rx_gpio, new_gps->tx_gpio);
         _serial_gps->begin(GPS_BAUDRATE);
+#elif defined(ARCH_STM32WL)
+        _serial_gps->setTx(new_gps->tx_gpio);
+        _serial_gps->setRx(new_gps->rx_gpio);
+        _serial_gps->begin(GPS_BAUDRATE);
+#elif defined(ARCH_PORTDUINO)
+        // Portduino can't set the GPS pins directly.
+        _serial_gps->begin(GPS_BAUDRATE);
+#else
+#error Unsupported architecture!
 #endif
     }
     return new_gps;

src/gps/GPS.h

@@ -194,6 +194,8 @@ class GPS : private concurrency::OSThread
     /** If !NULL we will use this serial port to construct our GPS */
 #if defined(ARCH_RP2040)
     static SerialUART *_serial_gps;
+#elif defined(ARCH_NRF52)
+    static Uart *_serial_gps;
 #else
     static HardwareSerial *_serial_gps;
 #endif

src/main.cpp

@@ -330,7 +330,7 @@ void setup()
 
 #ifdef WIFI_LED
     pinMode(WIFI_LED, OUTPUT);
-    digitalWrite(WIFI_LED, LOW);
+    digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif
 
 #ifdef BLE_LED

src/mesh/InterfacesTemplates.cpp

@@ -25,7 +25,7 @@ template class LR11x0Interface<LR1121>;
 template class SX126xInterface<STM32WLx>;
 #endif
 
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 #include "api/ethServerAPI.h"
 template class ServerAPI<EthernetClient>;
 template class APIServerPort<ethServerAPI, EthernetServer>;

src/mesh/api/ethServerAPI.cpp

@@ -1,7 +1,7 @@
 #include "configuration.h"
 #include <Arduino.h>
 
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 
 #include "ethServerAPI.h"
 

src/mesh/api/ethServerAPI.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "ServerAPI.h"
-#ifndef USE_WS5500
+#if !defined(USE_WS5500) && !defined(USE_CH390D)
 #include <RAK13800_W5100S.h>
 
 /**

src/mesh/wifi/WiFiAPClient.cpp

@@ -384,13 +384,13 @@ static void WiFiEvent(WiFiEvent_t event)
 #endif
         }
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, HIGH);
+        digitalWrite(WIFI_LED, LOW ^ WIFI_STATE_ON);
 #endif
         break;
     case ARDUINO_EVENT_WIFI_STA_DISCONNECTED:
         LOG_INFO("Disconnected from WiFi access point");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, LOW);
+        digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif
         if (!isReconnecting) {
             WiFi.disconnect(false, true);
@@ -442,13 +442,13 @@ static void WiFiEvent(WiFiEvent_t event)
     case ARDUINO_EVENT_WIFI_AP_START:
         LOG_INFO("WiFi access point started");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, HIGH);
+        digitalWrite(WIFI_LED, LOW ^ WIFI_STATE_ON);
 #endif
         break;
     case ARDUINO_EVENT_WIFI_AP_STOP:
         LOG_INFO("WiFi access point stopped");
 #ifdef WIFI_LED
-        digitalWrite(WIFI_LED, LOW);
+        digitalWrite(WIFI_LED, HIGH ^ WIFI_STATE_ON);
 #endif
         break;
     case ARDUINO_EVENT_WIFI_AP_STACONNECTED:

src/modules/AdminModule.cpp

@@ -1227,7 +1227,7 @@ void AdminModule::handleGetDeviceConnectionStatus(const meshtastic_MeshPacket &r
     }
 #endif
 
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
     conn.has_ethernet = true;
     conn.ethernet.has_status = true;
     if (Ethernet.linkStatus() == LinkON) {

src/mqtt/MQTT.h

@@ -15,7 +15,7 @@
 #include <WiFiClientSecure.h>
 #endif
 #endif
-#if HAS_ETHERNET && !defined(USE_WS5500)
+#if HAS_ETHERNET && !defined(USE_WS5500) && !defined(USE_CH390D)
 #include <EthernetClient.h>
 #endif
 

variants/esp32s3/ELECROW-ThinkNode-G3/pins_arduino.h

@@ -0,0 +1,26 @@
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+
+#define USB_VID 0x303a
+#define USB_PID 0x1001
+
+// The default Wire will be mapped to PMU and RTC
+static const uint8_t SDA = 17;
+static const uint8_t SCL = 18;
+
+// Default SPI will be mapped to Radio
+static const uint8_t SS = 39;
+static const uint8_t MOSI = 40;
+static const uint8_t MISO = 41;
+static const uint8_t SCK = 42;
+
+// #define SPI_MOSI (11)
+// #define SPI_SCK (10)
+// #define SPI_MISO (9)
+// #define SPI_CS (12)
+
+// #define SDCARD_CS SPI_CS
+
+#endif /* Pins_Arduino_h */

variants/esp32s3/ELECROW-ThinkNode-G3/platformio.ini

@@ -0,0 +1,22 @@
+[env:thinknode_g3]
+extends = esp32s3_base
+board = ESP32-S3-WROOM-1-N4
+board_build.psram_type = opi
+
+build_flags = 
+  ${esp32s3_base.build_flags}
+  -D ELECROW_ThinkNode_G3
+  -D HAS_UDP_MULTICAST=1
+  -D BOARD_HAS_PSRAM
+  -D PRIVATE_HW
+#  -D CONFIG_ETH_ENABLED=1
+#  -D CONFIG_ETH_USE_ESP32_EMAC=1
+  -I variants/esp32s3/ELECROW-ThinkNode-G3
+  -mfix-esp32-psram-cache-issue
+
+lib_ignore = 
+    Ethernet
+
+lib_deps = 
+  ${esp32s3_base.lib_deps}
+#  file://../ESP32-CH390/ESP32-CH390-1.0.1.tar.gz

variants/esp32s3/ELECROW-ThinkNode-G3/variant.h

@@ -0,0 +1,36 @@
+#define HAS_GPS 0
+#define HAS_WIRE 0
+#define I2C_NO_RESCAN
+
+#define WIFI_LED 5
+#define WIFI_STATE_ON 0
+
+#define LED_PIN 6 // The blue LORA LED
+#define LED_STATE_ON 0
+#define BUTTON_PIN 4 // the external user button of the device, BOOT and RESET are not accessible without opening it up.
+
+#define USE_SX1262
+#define LORA_SCK 42
+#define LORA_MISO 41
+#define LORA_MOSI 40
+#define LORA_CS 39
+#define LORA_RESET 21
+
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 15
+#define SX126X_BUSY 47
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#define PIN_POWER_EN 45
+
+// #define HAS_ETHERNET 1
+// #define USE_CH390D 1 // this driver uses the same stack as the ESP32 Wifi driver
+
+// #define ETH_MISO_PIN 47
+// #define ETH_MOSI_PIN 21
+// #define ETH_SCLK_PIN 48
+// #define ETH_CS_PIN 45
+// #define ETH_INT_PIN 14
+// #define ETH_RST_PIN -1
+// #define ETH_ADDR 1

variants/nrf52840/heltec_mesh_node_t114-inkhud/variant.h

@@ -116,13 +116,13 @@ No longer populated on PCB
 #define PIN_GPS_PPS (32 + 4)
 // Seems to be missing on this new board
 // #define PIN_GPS_PPS (32 + 4)  // Pulse per second input from the GPS
-#define GPS_TX_PIN (32 + 5) // This is for bits going TOWARDS the CPU
-#define GPS_RX_PIN (32 + 7) // This is for bits going TOWARDS the GPS
+#define GPS_TX_PIN (32 + 7) // This is for bits going TOWARDS the CPU
+#define GPS_RX_PIN (32 + 5) // This is for bits going TOWARDS the GPS
 
 #define GPS_THREAD_INTERVAL 50
 
-#define PIN_SERIAL1_RX GPS_TX_PIN
-#define PIN_SERIAL1_TX GPS_RX_PIN
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
 
 // PCF8563 RTC Module
 #define PCF8563_RTC 0x51

variants/nrf52840/heltec_mesh_node_t114/variant.h

@@ -167,13 +167,13 @@ No longer populated on PCB
 #define PIN_GPS_PPS (32 + 4)
 // Seems to be missing on this new board
 // #define PIN_GPS_PPS (32 + 4)  // Pulse per second input from the GPS
-#define GPS_TX_PIN (32 + 5) // This is for bits going TOWARDS the CPU
-#define GPS_RX_PIN (32 + 7) // This is for bits going TOWARDS the GPS
+#define GPS_TX_PIN (32 + 7) // This is for bits going TOWARDS the CPU
+#define GPS_RX_PIN (32 + 5) // This is for bits going TOWARDS the GPS
 
 #define GPS_THREAD_INTERVAL 50
 
-#define PIN_SERIAL1_RX GPS_TX_PIN
-#define PIN_SERIAL1_TX GPS_RX_PIN
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
 
 // PCF8563 RTC Module
 #define PCF8563_RTC 0x51

variants/nrf52840/heltec_mesh_solar/variant.h

@@ -116,13 +116,13 @@ No longer populated on PCB
 #define PIN_GPS_PPS (32 + 4)
 // Seems to be missing on this new board
 // #define PIN_GPS_PPS (32 + 4)  // Pulse per second input from the GPS
-#define GPS_TX_PIN (32 + 5) // This is for bits going TOWARDS the CPU
-#define GPS_RX_PIN (32 + 7) // This is for bits going TOWARDS the GPS
+#define GPS_TX_PIN (32 + 7) // This is for bits going TOWARDS the CPU
+#define GPS_RX_PIN (32 + 5) // This is for bits going TOWARDS the GPS
 
 #define GPS_THREAD_INTERVAL 50
 
-#define PIN_SERIAL1_RX GPS_TX_PIN
-#define PIN_SERIAL1_TX GPS_RX_PIN
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
 
 /*
  * SPI Interfaces

variants/nrf52840/muzi_base/variant.h

@@ -103,12 +103,12 @@ extern "C" {
 #define LR11X0_DIO_AS_RF_SWITCH
 
 // GPS
-#define GPS_RX_PIN (0 + 19)  // P0.19
-#define GPS_TX_PIN (0 + 20)  // P0.20
+#define GPS_RX_PIN (0 + 20)  // P0.20
+#define GPS_TX_PIN (0 + 19)  // P0.19
 #define GPS_EN_GPIO (32 + 1) // P1.01
 
-#define PIN_SERIAL1_RX GPS_TX_PIN
-#define PIN_SERIAL1_TX GPS_RX_PIN
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
 
 #define PIN_BUZZER (0 + 22) // P0.22
 

variants/nrf52840/t-echo/variant.h

@@ -182,13 +182,13 @@ External serial flash WP25R1635FZUIL0
 #define PIN_GPS_STANDBY (32 + 2) // An output to wake GPS, low means allow sleep, high means force wake
 // Seems to be missing on this new board
 // #define PIN_GPS_PPS (32 + 4)  // Pulse per second input from the GPS
-#define GPS_TX_PIN (32 + 9) // This is for bits going TOWARDS the CPU
-#define GPS_RX_PIN (32 + 8) // This is for bits going TOWARDS the GPS
+#define GPS_TX_PIN (32 + 8) // This is for bits going TOWARDS the CPU
+#define GPS_RX_PIN (32 + 9) // This is for bits going TOWARDS the GPS
 
 #define GPS_THREAD_INTERVAL 50
 
-#define PIN_SERIAL1_RX GPS_TX_PIN
-#define PIN_SERIAL1_TX GPS_RX_PIN
+#define PIN_SERIAL1_RX GPS_RX_PIN
+#define PIN_SERIAL1_TX GPS_TX_PIN
 
 // PCF8563 RTC Module
 #define PCF8563_RTC 0x51