/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Implements the high-level API for LightSensor functions
 *
 *  - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
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 *  code is to interface with Yoctopuce products. You must retain
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import { YAPIContext, YSensor, YMeasure } from './yocto_api.js';
/**
 * YLightSensor Class: light sensor control interface, available for instance in the Yocto-Light-V4,
 * the Yocto-Proximity or the Yocto-RangeFinder
 *
 * The YLightSensor class allows you to read and configure Yoctopuce light 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 easily perform a one-point linear calibration
 * to compensate the effect of a glass or filter placed in front of the sensor.
 * For some light sensors with several working modes, this class can select the
 * desired working mode.
 */
export declare class YLightSensor extends YSensor {
    _className: string;
    _measureType: YLightSensor.MEASURETYPE;
    _valueCallbackLightSensor: YLightSensor.ValueCallback | null;
    _timedReportCallbackLightSensor: YLightSensor.TimedReportCallback | null;
    readonly MEASURETYPE_HUMAN_EYE: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_WIDE_SPECTRUM: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_INFRARED: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_HIGH_RATE: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_HIGH_ENERGY: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_HIGH_RESOLUTION: YLightSensor.MEASURETYPE;
    readonly MEASURETYPE_INVALID: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_HUMAN_EYE: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_WIDE_SPECTRUM: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_INFRARED: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_HIGH_RATE: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_HIGH_ENERGY: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_HIGH_RESOLUTION: YLightSensor.MEASURETYPE;
    static readonly MEASURETYPE_INVALID: YLightSensor.MEASURETYPE;
    constructor(yapi: YAPIContext, func: string);
    imm_parseAttr(name: string, val: any): number;
    set_currentValue(newval: number): Promise<number>;
    /**
     * Changes the sensor-specific calibration parameter so that the current value
     * matches a desired target (linear scaling).
     *
     * @param calibratedVal : the desired target value.
     *
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    calibrate(calibratedVal: number): Promise<number>;
    /**
     * Returns the type of light measure.
     *
     * @return a value among YLightSensor.MEASURETYPE_HUMAN_EYE, YLightSensor.MEASURETYPE_WIDE_SPECTRUM,
     * YLightSensor.MEASURETYPE_INFRARED, YLightSensor.MEASURETYPE_HIGH_RATE,
     * YLightSensor.MEASURETYPE_HIGH_ENERGY and YLightSensor.MEASURETYPE_HIGH_RESOLUTION corresponding to
     * the type of light measure
     *
     * On failure, throws an exception or returns YLightSensor.MEASURETYPE_INVALID.
     */
    get_measureType(): Promise<YLightSensor.MEASURETYPE>;
    /**
     * Changes the light sensor type used in the device. The measure can either
     * approximate the response of the human eye, focus on a specific light
     * spectrum, depending on the capabilities of the light-sensitive cell.
     * Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param newval : a value among YLightSensor.MEASURETYPE_HUMAN_EYE,
     * YLightSensor.MEASURETYPE_WIDE_SPECTRUM, YLightSensor.MEASURETYPE_INFRARED,
     * YLightSensor.MEASURETYPE_HIGH_RATE, YLightSensor.MEASURETYPE_HIGH_ENERGY and
     * YLightSensor.MEASURETYPE_HIGH_RESOLUTION corresponding to the light sensor type used in the device
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_measureType(newval: YLightSensor.MEASURETYPE): Promise<number>;
    /**
     * Retrieves a light 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 light sensor is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YLightSensor.isOnline() to test if the light sensor is
     * indeed online at a given time. In case of ambiguity when looking for
     * a light 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 light sensor, for instance
     *         LIGHTMK4.lightSensor.
     *
     * @return a YLightSensor object allowing you to drive the light sensor.
     */
    static FindLightSensor(func: string): YLightSensor;
    /**
     * Retrieves a light sensor for a given identifier in a YAPI context.
     * The identifier can be specified using several formats:
     *
     * - FunctionLogicalName
     * - ModuleSerialNumber.FunctionIdentifier
     * - ModuleSerialNumber.FunctionLogicalName
     * - ModuleLogicalName.FunctionIdentifier
     * - ModuleLogicalName.FunctionLogicalName
     *
     *
     * This function does not require that the light sensor is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YLightSensor.isOnline() to test if the light sensor is
     * indeed online at a given time. In case of ambiguity when looking for
     * a light 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.
     *
     * @param yctx : a YAPI context
     * @param func : a string that uniquely characterizes the light sensor, for instance
     *         LIGHTMK4.lightSensor.
     *
     * @return a YLightSensor object allowing you to drive the light sensor.
     */
    static FindLightSensorInContext(yctx: YAPIContext, func: string): YLightSensor;
    /**
     * 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 null pointer as argument.
     *
     * @param callback : the callback function to call, or a null 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
     */
    registerValueCallback(callback: YLightSensor.ValueCallback | null): Promise<number>;
    _invokeValueCallback(value: string): Promise<number>;
    /**
     * 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 null pointer as argument.
     *
     * @param callback : the callback function to call, or a null 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
     */
    registerTimedReportCallback(callback: YLightSensor.TimedReportCallback | null): Promise<number>;
    _invokeTimedReportCallback(value: YMeasure): Promise<number>;
    /**
     * Continues the enumeration of light sensors started using yFirstLightSensor().
     * Caution: You can't make any assumption about the returned light sensors order.
     * If you want to find a specific a light sensor, use LightSensor.findLightSensor()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YLightSensor object, corresponding to
     *         a light sensor currently online, or a null pointer
     *         if there are no more light sensors to enumerate.
     */
    nextLightSensor(): YLightSensor | null;
    /**
     * Starts the enumeration of light sensors currently accessible.
     * Use the method YLightSensor.nextLightSensor() to iterate on
     * next light sensors.
     *
     * @return a pointer to a YLightSensor object, corresponding to
     *         the first light sensor currently online, or a null pointer
     *         if there are none.
     */
    static FirstLightSensor(): YLightSensor | null;
    /**
     * Starts the enumeration of light sensors currently accessible.
     * Use the method YLightSensor.nextLightSensor() to iterate on
     * next light sensors.
     *
     * @param yctx : a YAPI context.
     *
     * @return a pointer to a YLightSensor object, corresponding to
     *         the first light sensor currently online, or a null pointer
     *         if there are none.
     */
    static FirstLightSensorInContext(yctx: YAPIContext): YLightSensor | null;
}
export declare namespace YLightSensor {
    const enum MEASURETYPE {
        HUMAN_EYE = 0,
        WIDE_SPECTRUM = 1,
        INFRARED = 2,
        HIGH_RATE = 3,
        HIGH_ENERGY = 4,
        HIGH_RESOLUTION = 5,
        INVALID = -1
    }
    interface ValueCallback {
        (func: YLightSensor, value: string): void;
    }
    interface TimedReportCallback {
        (func: YLightSensor, measure: YMeasure): void;
    }
}
