AP_Compass: probe for RM3100

libraries/AP_Compass/AP_Compass.cpp

@@ -782,6 +782,17 @@ void Compass::_probe_external_i2c_compasses(void)
         ADD_BACKEND(DRIVER_IST8308, AP_Compass_IST8308::probe(GET_I2C_DEVICE(i, HAL_COMPASS_IST8308_I2C_ADDR),
                                                               true, ROTATION_NONE));
     }
+
+    // external i2c bus
+    FOREACH_I2C_EXTERNAL(i) {
+            ADD_BACKEND(DRIVER_RM3100, AP_Compass_RM3100::probe(GET_I2C_DEVICE(i, HAL_COMPASS_RM3100_I2C_ADDR),
+                                                                true, ROTATION_NONE));
+    }
+    FOREACH_I2C_INTERNAL(i) {
+            ADD_BACKEND(DRIVER_RM3100, AP_Compass_RM3100::probe(GET_I2C_DEVICE(i, HAL_COMPASS_RM3100_I2C_ADDR),
+                                                                all_external, ROTATION_NONE));
+    }
+
 #endif // HAL_MINIMIZE_FEATURES
 }