Index: Accel.h
===================================================================
diff -u -r7ff7e715f7a15da5f4055b33e186d58cf96fe909 -rd6f53ebf6c481cb909720a2c6910ae89addc6801
--- Accel.h	(.../Accel.h)	(revision 7ff7e715f7a15da5f4055b33e186d58cf96fe909)
+++ Accel.h	(.../Accel.h)	(revision d6f53ebf6c481cb909720a2c6910ae89addc6801)
@@ -53,6 +53,14 @@
     F32 zTilt;                                      ///< Z axis tilt (in degrees)
 } ACCEL_DATA_PAYLOAD_T;
 
+/// Payload record structure for an accelerometer calibration message.
+typedef struct
+{
+    F32 xOffset;
+    F32 yOffset;
+    F32 zOffset;
+} ACCEL_CAL_PAYLOAD_T;
+
 // ********** public function prototypes **********
 
 void initAccel( void );