/* MMA655X is hooked up so that positive values represent negative acceleration */
+#define AO_ACCEL_INVERT 4095
+
#define ao_data_accel(packet) ((packet)->mma655x)
#if AO_MMA655X_INVERT
-#define ao_data_accel_cook(packet) (4095 - (packet)->mma655x)
+#define ao_data_accel_cook(packet) (AO_ACCEL_INVERT - (packet)->mma655x)
#else
#define ao_data_accel_cook(packet) ((packet)->mma655x)
#endif
#define ao_data_set_accel(packet, accel) ((packet)->mma655x = (accel))
-#define ao_data_accel_invert(accel) (4095 - (accel))
+#define ao_data_accel_invert(accel) (AO_ACCEL_INVERT - (accel))
#endif
#define HAS_ACCEL 1
+#define AO_ACCEL_INVERT 0
+
typedef int16_t accel_t;
/* MPU6000 is hooked up so that positive y is positive acceleration */