#ifndef __CPHIDGETWEIGHTSENSOR
#define __CPHIDGETWEIGHTSENSOR
#include "cphidget.h"

/** \defgroup phidweight Phidget Weight Sensor 
 * \ingroup phidgets
 * Calls specific to the Phidget Weight Sensor. See the product manual for more specific API details, supported functionality, units, etc.
 * @{
 */

DPHANDLE(WeightSensor)
CHDRSTANDARD(WeightSensor)

/**
 * Gets the sensed weight.
 * @param phid An attached phidget weight sensor handle.
 * @param weight The weight.
 */
CHDRGET(WeightSensor,Weight,double *weight)
/**
 * Set a weight change handler. This is called when the weight changes by more then the change trigger.
 * @param phid An attached phidget weight sensor handle.
 * @param fptr Callback function pointer.
 * @param userPtr A pointer for use by the user - this value is passed back into the callback function.
 */
CHDREVENT(WeightSensor,WeightChange,double weight)
/**
 * Gets the weight change trigger.
 * @param phid An attached phidget weight sensor handle.
 * @param trigger The change trigger.
 */
CHDRGET(WeightSensor,WeightChangeTrigger,double *trigger)
/**
 * Sets the weight change trigger.
 * @param phid An attached phidget weight sensor handle.
 * @param trigger The change trigger.
 */
CHDRSET(WeightSensor,WeightChangeTrigger,double trigger)

#ifndef EXTERNALPROTO
struct _CPhidgetWeightSensor {
	CPhidget phid;

	int (CCONV *fptrWeightChange)(CPhidgetWeightSensorHandle, void *, double);           

	void *fptrWeightChangeptr;

	double Weight;
	double lastweight;
	double WeightChangeTrigger;
} typedef CPhidgetWeightSensorInfo;
#endif

/** @} */

#endif