Added compatibility with other Arduino IMU libraries

Author: Rocketct

src/LSM6DS3.cpp

@@ -207,9 +207,10 @@ int LSM6DS3Class::writeRegister(uint8_t address, uint8_t value)
   }
   return 1;
 }
-
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
-LSM6DS3Class IMU(SPI, SPIIMU_SS, SPIIMU_INT);
-#else
-LSM6DS3Class IMU(Wire, LSM6DS3_ADDRESS);
-#endif
+#ifdef IMU_INCLUDED
+  #ifdef ARDUINO_AVR_UNO_WIFI_REV2
+    LSM6DS3Class IMU(SPI, SPIIMU_SS, SPIIMU_INT);
+  #else
+    LSM6DS3Class IMU(Wire, LSM6DS3_ADDRESS);
+  #endif
+#endif

src/LSM6DS3.h

@@ -20,6 +20,9 @@
 #include <Arduino.h>
 #include <Wire.h>
 #include <SPI.h>
+#include "ArduinoIMU.h"
+
+#define IMU_INCLUDED !HAS_INCLUDE_IMU
 
 #define LSM6DS3_ADDRESS            0x6A
 
@@ -84,5 +87,6 @@ class LSM6DS3Class {
 
     SPISettings _spiSettings;
 };
-
-extern LSM6DS3Class IMU;
+#ifdef IMU_INCLUDED
+  extern LSM6DS3Class IMU;
+#endif