InvenSense Motion Driver v5.1.2 ported

Dependents:   Sensorv2

Revision:
4:2cb380415dc7
Parent:
0:4dd021344a6b
--- a/I2Cdev/I2Cdev.cpp	Wed Oct 15 04:59:22 2014 +0000
+++ b/I2Cdev/I2Cdev.cpp	Sun Nov 02 19:17:45 2014 +0000
@@ -5,8 +5,8 @@
 
 #include "I2Cdev.h"
 
-//#define useDebugSerial
-#ifdef useDebugSerial
+//#define _useDebugSerial
+#ifdef _useDebugSerial
     Serial debugSerial(USBTX, USBRX);
 #endif