#ifndef _AO_DATA_H_
#define _AO_DATA_H_
+#define GRAVITY 9.80665
+
#if HAS_ADC
#define AO_DATA_ADC (1 << 0)
#else
* signaled by the timer tick
*/
#define AO_DATA_WAIT() do { \
- ao_sleep((void *) &ao_data_count); \
+ ao_sleep(DATA_TO_XDATA ((void *) &ao_data_count)); \
} while (0)
#endif /* AO_DATA_RING */
/* MMA655X is hooked up so that positive values represent negative acceleration */
#define ao_data_accel(packet) ((packet)->mma655x)
+#if AO_MMA655X_INVERT
+#define ao_data_accel_cook(packet) (4095 - (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 HAS_GYRO 1
-typedef int16_t gyro_t;
-typedef int32_t angle_t;
+typedef int16_t gyro_t; /* in raw sample units */
+typedef int16_t angle_t; /* in degrees */
/* Y axis is aligned with the direction of motion (along) */
/* X axis is aligned in the other board axis (across) */