added odyssey env; declare and init MMC5603

platformio.ini

@@ -17,5 +17,28 @@ lib_deps =
 	me-no-dev/AsyncTCP@^1.1.1
 	ayushsharma82/AsyncElegantOTA@^2.2.7
 	arduino-libraries/Arduino_JSON@^0.1.0
+	adafruit/Adafruit MMC56x3@^1.0.1
+	ayushsharma82/ElegantOTA@^3.1.0
 board_build.partitions = partitions.csv
 monitor_speed = 115200
+
+[env:odyssey]
+platform = espressif32
+board = seeed_xiao_esp32s3
+framework = arduino
+platform_packages = toolchain-riscv32-esp @ 8.4.0+2021r2-patch5
+lib_deps = 
+	me-no-dev/AsyncTCP@^1.1.1
+	https://github.com/me-no-dev/ESPAsyncWebServer.git
+	https://github.com/chopster44/Adafruit_Sensor.git
+	https://github.com/chopster44/Adafruit_BME280_Library.git
+	https://github.com/adafruit/Adafruit_BusIO.git
+	https://github.com/chopster44/Adafruit_MMC56x3.git
+	arduino-libraries/Arduino_JSON@^0.2.0
+	adafruit/Adafruit MMC56x3@^1.0.1
+	ayushsharma82/AsyncElegantOTA@^2.2.7
+build_flags = 
+	'-D ARDUINO_USB_MODE=0'
+	'-D ARDUINO_USB_CDC_ON_BOOT=1'
+	'-D ELEGANTOTA_USE_ASYNC_WEBSERVER=1'
+monitor_speed = 115200

src/main.cpp

@@ -15,12 +15,19 @@
 #include <ESPAsyncWebServer.h>
 #include <SPIFFSEditor.h>
 #include <Arduino_JSON.h>
+#include <Adafruit_Sensor.h>
+#include <Adafruit_BusIO_Register.h>
+#include <Adafruit_MMC56x3.h>
+
 
 #include <Preferences.h>
 Preferences settings;
 
 #define LED_PIN 2
 
+/* Assign a unique ID to this sensor at the same time */
+Adafruit_MMC5603 mag = Adafruit_MMC5603(12345);
+
 //*********************************************************
 // Web server variable declarations
 //*********************************************************
@@ -66,10 +73,31 @@ String getLEDState();
 // ----------------------------------------------
 
 void setup() {
-  Serial.begin(115200);
-  
   pinMode(LED_PIN, OUTPUT);
 
+  Serial.begin(115200);
+  delay(2000);
+  while (!Serial)
+        delay(10); // will pause Zero, Leonardo, etc until serial console opens
+
+    if (!Wire.begin(4,5)) {
+        while(1){
+            Serial.println("WIRE NOT INIT");
+            delay(500);
+        }
+    }
+  
+    Serial.println("Adafruit_MMC5603 Magnetometer Calibration");
+    Serial.println("");
+
+
+/* Initialise the sensor */
+  if (!mag.begin(MMC56X3_DEFAULT_ADDRESS, &Wire)) {  // I2C mode
+    /* There was a problem detecting the MMC5603 ... check your connections */
+    Serial.println("Ooops, no MMC5603 detected ... Check your wiring!");
+    while (1) delay(10);
+  }
+
 //*****************************************
 //Init OTA
   AsyncElegantOTA.begin(&server);    // Start AsyncElegantOTA