zmf_sensor.h
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#ifndef __ZMF_SENSOR_H__
#define __ZMF_SENSOR_H__
/**
* @file zmf_motion.h
* @brief ZMF Motion interfaces
*/
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ZmfSensorGrvity =1,
ZmfSensorAcceleration =2,
ZmfSensorRotationRate =4,
ZmfSensorAttitude =8,
ZmfSensorLight =16,
} ZmfSensorType;
typedef enum {
ZmfSensorFastest,
ZmfSensorGame,
ZmfSensorUI,
ZmfSensorNormal
} ZmfSensorMode;
typedef struct {
unsigned types;
/** The elapsed millisend time from the start */
unsigned timeStampMs;
/** The gravity acceleration vector
* expressed in the device's reference frame.
*/
float gravity[3];
/** the total acceleration of the device
* is equal to gravity plus the acceleration the user imparts to the device
*/
float acceleration[3];
float rotationRate[3];
float pitch, roll, yaw;
float brightness;
} ZmfSensorData;
typedef void (*ZmfSensorCallback)(void* pUser, const ZmfSensorData *sensor);
int Zmf_SensorInitialize (void* applicationContext);
int Zmf_SensorTerminate (void);
int Zmf_SensorGetTypes (unsigned *sensorTypes);
int Zmf_SensorStart (unsigned sensorTypes, unsigned sensorMode);
int Zmf_SensorStop ();
int Zmf_SensorAddCallback (void *pUser, ZmfSensorCallback callback);
int Zmf_SensorRemoveCallback(void *pUser);
/** Get the device’s attitude at a point in time.
* @param[out] pitch Angle in the horizontal plane of the device, ranging from 0 to M_PI.
* @param[out] yaw The orientation of the device orientation, ranging from -M_PI to M_PI.
* It is 0 when the device is oriented in its natural position,
* M_PI_2 when its right side is at the top, M_PI or -M_PI when it is upside down,
* and -M_PI_2 when its left side is to the top.
* @param[out] roll
*/
int Zmf_SensorDataGetAttitude (const ZmfSensorData *sensor, float *pitch, float *roll, float *yaw);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __ZMF_SENSOR_H__ */