change default modbus GPIO for M5Stack

.github/workflows/main.yml

@@ -28,9 +28,14 @@ jobs:
         python -m pip install --upgrade pip
         pip install --upgrade platformio
     - name: Run PlatformIO
-      run: pio run -e esp32dev
-    - name: Upload artifacts
+      run: pio run
+    - name: Upload esp32dev
       uses: actions/upload-artifact@v3
       with:
-        name: image
-        path: .pio/build/esp32dev/firmware.bin
+        name: esp32dev
+        path: .pio/build/esp32dev/firmware.bin
+    - name: Upload m5stack
+      uses: actions/upload-artifact@v3
+      with:
+        name: m5stack
+        path: .pio/build/m5stack/firmware.bin

include/config.h

@@ -4,6 +4,13 @@
     #include <Preferences.h>
     #define debugSerial Serial
     #define modbusSerial Serial2
+    #ifdef M5STACK
+    #define modbusRx GPIO_NUM_22
+    #define modbusTx GPIO_NUM_19
+    #else
+    #define modbusRx -1
+    #define modbusTx -1
+    #endif
     #define DEBUG
 
     class Config{

platformio.ini

@@ -8,13 +8,19 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:esp32dev]
+[env]
 platform = espressif32
-board = esp32dev
 framework = arduino
 lib_deps =
     https://github.com/tzapu/WiFiManager.git
     https://github.com/me-no-dev/ESPAsyncWebServer.git
     eModbus
 build_flags = -DLOG_LEVEL=LOG_LEVEL_DEBUG
-monitor_speed = 115200
+monitor_speed = 115200
+
+[env:esp32dev]
+board = esp32dev
+
+[env:m5stack]
+board = m5stack-atom
+build_flags = -DM5STACK

src/main.cpp

@@ -30,7 +30,7 @@ void setup() {
   wm.autoConnect();
   dbgln("[wifi] finished");
   dbgln("[modbus] start");
-  modbusSerial.begin(config.getModbusBaudRate(), config.getModbusConfig());
+  modbusSerial.begin(config.getModbusBaudRate(), config.getModbusConfig(), modbusRx, modbusTx);
   MBclient = new ModbusClientRTU(modbusSerial, config.getModbusRtsPin());
   MBclient->setTimeout(1000);
   MBclient->begin();