/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Declares yFindProximity(), the high-level API for Proximity functions
 *
 *  - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
 *  Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual
 *  non-exclusive license to use, modify, copy and integrate this
 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
 *
 *  You may reproduce and distribute copies of this file in
 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
 *  this notice in the distributed source file.
 *
 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
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 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT
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 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
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 *********************************************************************/

#include "yocto_api.h"
CF_EXTERN_C_BEGIN
NS_ASSUME_NONNULL_BEGIN

@class YProximity;

//--- (YProximity globals)
typedef void (*YProximityValueCallback)(YProximity *func, NSString *functionValue);
typedef void (*YProximityTimedReportCallback)(YProximity *func, YMeasure *measure);
#ifndef _Y_ISPRESENT_ENUM
#define _Y_ISPRESENT_ENUM
typedef enum {
    Y_ISPRESENT_FALSE = 0,
    Y_ISPRESENT_TRUE = 1,
    Y_ISPRESENT_INVALID = -1,
} Y_ISPRESENT_enum;
#endif
#ifndef _Y_PROXIMITYREPORTMODE_ENUM
#define _Y_PROXIMITYREPORTMODE_ENUM
typedef enum {
    Y_PROXIMITYREPORTMODE_NUMERIC = 0,
    Y_PROXIMITYREPORTMODE_PRESENCE = 1,
    Y_PROXIMITYREPORTMODE_PULSECOUNT = 2,
    Y_PROXIMITYREPORTMODE_INVALID = -1,
} Y_PROXIMITYREPORTMODE_enum;
#endif
#define Y_SIGNALVALUE_INVALID           YAPI_INVALID_DOUBLE
#define Y_DETECTIONTHRESHOLD_INVALID    YAPI_INVALID_UINT
#define Y_DETECTIONHYSTERESIS_INVALID   YAPI_INVALID_UINT
#define Y_PRESENCEMINTIME_INVALID       YAPI_INVALID_UINT
#define Y_REMOVALMINTIME_INVALID        YAPI_INVALID_UINT
#define Y_LASTTIMEAPPROACHED_INVALID    YAPI_INVALID_LONG
#define Y_LASTTIMEREMOVED_INVALID       YAPI_INVALID_LONG
#define Y_PULSECOUNTER_INVALID          YAPI_INVALID_LONG
#define Y_PULSETIMER_INVALID            YAPI_INVALID_LONG
//--- (end of YProximity globals)

//--- (YProximity class start)
/**
 * YProximity Class: proximity sensor control interface, available for instance in the Yocto-Proximity
 *
 * The YProximity class allows you to read and configure Yoctopuce proximity sensors.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 * This class adds the ability to set up a detection threshold and to count the
 * number of detected state changes.
 */
@interface YProximity : YSensor
//--- (end of YProximity class start)
{
@protected
//--- (YProximity attributes declaration)
    double          _signalValue;
    int             _detectionThreshold;
    int             _detectionHysteresis;
    int             _presenceMinTime;
    int             _removalMinTime;
    Y_ISPRESENT_enum _isPresent;
    s64             _lastTimeApproached;
    s64             _lastTimeRemoved;
    s64             _pulseCounter;
    s64             _pulseTimer;
    Y_PROXIMITYREPORTMODE_enum _proximityReportMode;
    YProximityValueCallback _valueCallbackProximity;
    YProximityTimedReportCallback _timedReportCallbackProximity;
//--- (end of YProximity attributes declaration)
}
// Constructor is protected, use yFindProximity factory function to instantiate
-(id)    initWith:(NSString*) func;

//--- (YProximity private methods declaration)
// Function-specific method for parsing of JSON output and caching result
-(int)             _parseAttr:(yJsonStateMachine*) j;

//--- (end of YProximity private methods declaration)
//--- (YProximity yapiwrapper declaration)
//--- (end of YProximity yapiwrapper declaration)
//--- (YProximity public methods declaration)
/**
 * Returns the current value of signal measured by the proximity sensor.
 *
 * @return a floating point number corresponding to the current value of signal measured by the proximity sensor
 *
 * On failure, throws an exception or returns YProximity.SIGNALVALUE_INVALID.
 */
-(double)     get_signalValue;


-(double) signalValue;
/**
 * Returns the threshold used to determine the logical state of the proximity sensor, when considered
 * as a binary input (on/off).
 *
 * @return an integer corresponding to the threshold used to determine the logical state of the
 * proximity sensor, when considered
 *         as a binary input (on/off)
 *
 * On failure, throws an exception or returns YProximity.DETECTIONTHRESHOLD_INVALID.
 */
-(int)     get_detectionThreshold;


-(int) detectionThreshold;
/**
 * Changes the threshold used to determine the logical state of the proximity sensor, when considered
 * as a binary input (on/off).
 * Remember to call the saveToFlash() method of the module if the modification must be kept.
 *
 * @param newval : an integer corresponding to the threshold used to determine the logical state of
 * the proximity sensor, when considered
 *         as a binary input (on/off)
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     set_detectionThreshold:(int) newval;
-(int)     setDetectionThreshold:(int) newval;

/**
 * Returns the hysteresis used to determine the logical state of the proximity sensor, when considered
 * as a binary input (on/off).
 *
 * @return an integer corresponding to the hysteresis used to determine the logical state of the
 * proximity sensor, when considered
 *         as a binary input (on/off)
 *
 * On failure, throws an exception or returns YProximity.DETECTIONHYSTERESIS_INVALID.
 */
-(int)     get_detectionHysteresis;


-(int) detectionHysteresis;
/**
 * Changes the hysteresis used to determine the logical state of the proximity sensor, when considered
 * as a binary input (on/off).
 * Remember to call the saveToFlash() method of the module if the modification must be kept.
 *
 * @param newval : an integer corresponding to the hysteresis used to determine the logical state of
 * the proximity sensor, when considered
 *         as a binary input (on/off)
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     set_detectionHysteresis:(int) newval;
-(int)     setDetectionHysteresis:(int) newval;

/**
 * Returns the minimal detection duration before signalling a presence event. Any shorter detection is
 * considered as noise or bounce (false positive) and filtered out.
 *
 * @return an integer corresponding to the minimal detection duration before signalling a presence event
 *
 * On failure, throws an exception or returns YProximity.PRESENCEMINTIME_INVALID.
 */
-(int)     get_presenceMinTime;


-(int) presenceMinTime;
/**
 * Changes the minimal detection duration before signalling a presence event. Any shorter detection is
 * considered as noise or bounce (false positive) and filtered out.
 * Remember to call the saveToFlash() method of the module if the modification must be kept.
 *
 * @param newval : an integer corresponding to the minimal detection duration before signalling a presence event
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     set_presenceMinTime:(int) newval;
-(int)     setPresenceMinTime:(int) newval;

/**
 * Returns the minimal detection duration before signalling a removal event. Any shorter detection is
 * considered as noise or bounce (false positive) and filtered out.
 *
 * @return an integer corresponding to the minimal detection duration before signalling a removal event
 *
 * On failure, throws an exception or returns YProximity.REMOVALMINTIME_INVALID.
 */
-(int)     get_removalMinTime;


-(int) removalMinTime;
/**
 * Changes the minimal detection duration before signalling a removal event. Any shorter detection is
 * considered as noise or bounce (false positive) and filtered out.
 * Remember to call the saveToFlash() method of the module if the modification must be kept.
 *
 * @param newval : an integer corresponding to the minimal detection duration before signalling a removal event
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     set_removalMinTime:(int) newval;
-(int)     setRemovalMinTime:(int) newval;

/**
 * Returns true if the input (considered as binary) is active (detection value is smaller than the
 * specified threshold), and false otherwise.
 *
 * @return either YProximity.ISPRESENT_FALSE or YProximity.ISPRESENT_TRUE, according to true if the
 * input (considered as binary) is active (detection value is smaller than the specified threshold),
 * and false otherwise
 *
 * On failure, throws an exception or returns YProximity.ISPRESENT_INVALID.
 */
-(Y_ISPRESENT_enum)     get_isPresent;


-(Y_ISPRESENT_enum) isPresent;
/**
 * Returns the number of elapsed milliseconds between the module power on and the last observed
 * detection (the input contact transitioned from absent to present).
 *
 * @return an integer corresponding to the number of elapsed milliseconds between the module power on
 * and the last observed
 *         detection (the input contact transitioned from absent to present)
 *
 * On failure, throws an exception or returns YProximity.LASTTIMEAPPROACHED_INVALID.
 */
-(s64)     get_lastTimeApproached;


-(s64) lastTimeApproached;
/**
 * Returns the number of elapsed milliseconds between the module power on and the last observed
 * detection (the input contact transitioned from present to absent).
 *
 * @return an integer corresponding to the number of elapsed milliseconds between the module power on
 * and the last observed
 *         detection (the input contact transitioned from present to absent)
 *
 * On failure, throws an exception or returns YProximity.LASTTIMEREMOVED_INVALID.
 */
-(s64)     get_lastTimeRemoved;


-(s64) lastTimeRemoved;
/**
 * Returns the pulse counter value. The value is a 32 bit integer. In case
 * of overflow (>=2^32), the counter will wrap. To reset the counter, just
 * call the resetCounter() method.
 *
 * @return an integer corresponding to the pulse counter value
 *
 * On failure, throws an exception or returns YProximity.PULSECOUNTER_INVALID.
 */
-(s64)     get_pulseCounter;


-(s64) pulseCounter;
-(int)     set_pulseCounter:(s64) newval;
-(int)     setPulseCounter:(s64) newval;

/**
 * Returns the timer of the pulse counter (ms).
 *
 * @return an integer corresponding to the timer of the pulse counter (ms)
 *
 * On failure, throws an exception or returns YProximity.PULSETIMER_INVALID.
 */
-(s64)     get_pulseTimer;


-(s64) pulseTimer;
/**
 * Returns the parameter (sensor value, presence or pulse count) returned by the get_currentValue
 * function and callbacks.
 *
 * @return a value among YProximity.PROXIMITYREPORTMODE_NUMERIC,
 * YProximity.PROXIMITYREPORTMODE_PRESENCE and YProximity.PROXIMITYREPORTMODE_PULSECOUNT corresponding
 * to the parameter (sensor value, presence or pulse count) returned by the get_currentValue function and callbacks
 *
 * On failure, throws an exception or returns YProximity.PROXIMITYREPORTMODE_INVALID.
 */
-(Y_PROXIMITYREPORTMODE_enum)     get_proximityReportMode;


-(Y_PROXIMITYREPORTMODE_enum) proximityReportMode;
/**
 * Changes the  parameter  type (sensor value, presence or pulse count) returned by the
 * get_currentValue function and callbacks.
 * The edge count value is limited to the 6 lowest digits. For values greater than one million, use
 * get_pulseCounter().
 * Remember to call the saveToFlash() method of the module if the modification must be kept.
 *
 * @param newval : a value among YProximity.PROXIMITYREPORTMODE_NUMERIC,
 * YProximity.PROXIMITYREPORTMODE_PRESENCE and YProximity.PROXIMITYREPORTMODE_PULSECOUNT corresponding
 * to the  parameter  type (sensor value, presence or pulse count) returned by the get_currentValue
 * function and callbacks
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     set_proximityReportMode:(Y_PROXIMITYREPORTMODE_enum) newval;
-(int)     setProximityReportMode:(Y_PROXIMITYREPORTMODE_enum) newval;

/**
 * Retrieves a proximity sensor for a given identifier.
 * The identifier can be specified using several formats:
 *
 * - FunctionLogicalName
 * - ModuleSerialNumber.FunctionIdentifier
 * - ModuleSerialNumber.FunctionLogicalName
 * - ModuleLogicalName.FunctionIdentifier
 * - ModuleLogicalName.FunctionLogicalName
 *
 *
 * This function does not require that the proximity sensor is online at the time
 * it is invoked. The returned object is nevertheless valid.
 * Use the method YProximity.isOnline() to test if the proximity sensor is
 * indeed online at a given time. In case of ambiguity when looking for
 * a proximity sensor by logical name, no error is notified: the first instance
 * found is returned. The search is performed first by hardware name,
 * then by logical name.
 *
 * If a call to this object's is_online() method returns FALSE although
 * you are certain that the matching device is plugged, make sure that you did
 * call registerHub() at application initialization time.
 *
 * @param func : a string that uniquely characterizes the proximity sensor, for instance
 *         YPROXIM1.proximity1.
 *
 * @return a YProximity object allowing you to drive the proximity sensor.
 */
+(YProximity*)     FindProximity:(NSString*)func;

/**
 * Registers the callback function that is invoked on every change of advertised value.
 * The callback is then invoked only during the execution of ySleep or yHandleEvents.
 * This provides control over the time when the callback is triggered. For good responsiveness,
 * remember to call one of these two functions periodically. The callback is called once juste after beeing
 * registered, passing the current advertised value  of the function, provided that it is not an empty string.
 * To unregister a callback, pass a nil pointer as argument.
 *
 * @param callback : the callback function to call, or a nil pointer. The callback function should take two
 *         arguments: the function object of which the value has changed, and the character string describing
 *         the new advertised value.
 * @noreturn
 */
-(int)     registerValueCallback:(YProximityValueCallback _Nullable)callback;

-(int)     _invokeValueCallback:(NSString*)value;

/**
 * Registers the callback function that is invoked on every periodic timed notification.
 * The callback is invoked only during the execution of ySleep or yHandleEvents.
 * This provides control over the time when the callback is triggered. For good responsiveness, remember to call
 * one of these two functions periodically. To unregister a callback, pass a nil pointer as argument.
 *
 * @param callback : the callback function to call, or a nil pointer. The callback function should take two
 *         arguments: the function object of which the value has changed, and an YMeasure object describing
 *         the new advertised value.
 * @noreturn
 */
-(int)     registerTimedReportCallback:(YProximityTimedReportCallback _Nullable)callback;

-(int)     _invokeTimedReportCallback:(YMeasure*)value;

/**
 * Resets the pulse counter value as well as its timer.
 *
 * @return YAPI.SUCCESS if the call succeeds.
 *
 * On failure, throws an exception or returns a negative error code.
 */
-(int)     resetCounter;


/**
 * Continues the enumeration of proximity sensors started using yFirstProximity().
 * Caution: You can't make any assumption about the returned proximity sensors order.
 * If you want to find a specific a proximity sensor, use Proximity.findProximity()
 * and a hardwareID or a logical name.
 *
 * @return a pointer to a YProximity object, corresponding to
 *         a proximity sensor currently online, or a nil pointer
 *         if there are no more proximity sensors to enumerate.
 */
-(nullable YProximity*) nextProximity
NS_SWIFT_NAME(nextProximity());
/**
 * Starts the enumeration of proximity sensors currently accessible.
 * Use the method YProximity.nextProximity() to iterate on
 * next proximity sensors.
 *
 * @return a pointer to a YProximity object, corresponding to
 *         the first proximity sensor currently online, or a nil pointer
 *         if there are none.
 */
+(nullable YProximity*) FirstProximity
NS_SWIFT_NAME(FirstProximity());
//--- (end of YProximity public methods declaration)

@end

//--- (YProximity functions declaration)
/**
 * Retrieves a proximity sensor for a given identifier.
 * The identifier can be specified using several formats:
 *
 * - FunctionLogicalName
 * - ModuleSerialNumber.FunctionIdentifier
 * - ModuleSerialNumber.FunctionLogicalName
 * - ModuleLogicalName.FunctionIdentifier
 * - ModuleLogicalName.FunctionLogicalName
 *
 *
 * This function does not require that the proximity sensor is online at the time
 * it is invoked. The returned object is nevertheless valid.
 * Use the method YProximity.isOnline() to test if the proximity sensor is
 * indeed online at a given time. In case of ambiguity when looking for
 * a proximity sensor by logical name, no error is notified: the first instance
 * found is returned. The search is performed first by hardware name,
 * then by logical name.
 *
 * If a call to this object's is_online() method returns FALSE although
 * you are certain that the matching device is plugged, make sure that you did
 * call registerHub() at application initialization time.
 *
 * @param func : a string that uniquely characterizes the proximity sensor, for instance
 *         YPROXIM1.proximity1.
 *
 * @return a YProximity object allowing you to drive the proximity sensor.
 */
YProximity* yFindProximity(NSString* func);
/**
 * Starts the enumeration of proximity sensors currently accessible.
 * Use the method YProximity.nextProximity() to iterate on
 * next proximity sensors.
 *
 * @return a pointer to a YProximity object, corresponding to
 *         the first proximity sensor currently online, or a nil pointer
 *         if there are none.
 */
YProximity* yFirstProximity(void);

//--- (end of YProximity functions declaration)

NS_ASSUME_NONNULL_END
CF_EXTERN_C_END

