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

/** \defgroup phidweight Phidget Weight Sensor 
 * \ingroup phidgets
 * These calls are specific to the Phidget Weight Sensor object. See your device's User Guide for more specific API details, technical information, and revision details. The User Guide, along with other resources, can be found on the product page for your device.
 * @{
 */

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