/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Implements the high-level API for SoundSpectrum 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
 *  obligations.
 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT
 *  WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO
 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 *  COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR
 *  SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT
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import { YAPIContext, YFunction } from './yocto_api.js';
/**
 * YSoundSpectrum Class: sound spectrum analyzer control interface
 *
 * The YSoundSpectrum class allows you to read and configure Yoctopuce sound spectrum analyzers.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 */
export declare class YSoundSpectrum extends YFunction {
    _className: string;
    _integrationTime: number;
    _spectrumData: string;
    _valueCallbackSoundSpectrum: YSoundSpectrum.ValueCallback | null;
    readonly INTEGRATIONTIME_INVALID: number;
    readonly SPECTRUMDATA_INVALID: string;
    static readonly INTEGRATIONTIME_INVALID: number;
    static readonly SPECTRUMDATA_INVALID: string;
    constructor(yapi: YAPIContext, func: string);
    imm_parseAttr(name: string, val: any): number;
    /**
     * Returns the integration time in milliseconds for calculating time
     * weighted spectrum data.
     *
     * @return an integer corresponding to the integration time in milliseconds for calculating time
     *         weighted spectrum data
     *
     * On failure, throws an exception or returns YSoundSpectrum.INTEGRATIONTIME_INVALID.
     */
    get_integrationTime(): Promise<number>;
    /**
     * Changes the integration time in milliseconds for computing time weighted
     * spectrum data. Be aware that on some devices, changing the integration
     * time for time-weighted spectrum data may also affect the integration
     * period for one or more sound pressure level measurements.
     * Remember to call the saveToFlash() method of the
     * module if the modification must be kept.
     *
     * @param newval : an integer corresponding to the integration time in milliseconds for computing time weighted
     *         spectrum data
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_integrationTime(newval: number): Promise<number>;
    get_spectrumData(): Promise<string>;
    /**
     * Retrieves a sound spectrum analyzer 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 sound spectrum analyzer is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YSoundSpectrum.isOnline() to test if the sound spectrum analyzer is
     * indeed online at a given time. In case of ambiguity when looking for
     * a sound spectrum analyzer 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 sound spectrum analyzer, for instance
     *         MyDevice.soundSpectrum.
     *
     * @return a YSoundSpectrum object allowing you to drive the sound spectrum analyzer.
     */
    static FindSoundSpectrum(func: string): YSoundSpectrum;
    /**
     * Retrieves a sound spectrum analyzer 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 sound spectrum analyzer is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YSoundSpectrum.isOnline() to test if the sound spectrum analyzer is
     * indeed online at a given time. In case of ambiguity when looking for
     * a sound spectrum analyzer 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 sound spectrum analyzer, for instance
     *         MyDevice.soundSpectrum.
     *
     * @return a YSoundSpectrum object allowing you to drive the sound spectrum analyzer.
     */
    static FindSoundSpectrumInContext(yctx: YAPIContext, func: string): YSoundSpectrum;
    /**
     * 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: YSoundSpectrum.ValueCallback | null): Promise<number>;
    _invokeValueCallback(value: string): Promise<number>;
    /**
     * Returns the next SoundSpectrum
     *
     * @returns {YSoundSpectrum}
     */
    nextSoundSpectrum(): YSoundSpectrum | null;
    /**
     * Retrieves the first SoundSpectrum in a YAPI context
     *
     * @returns {YSoundSpectrum}
     */
    static FirstSoundSpectrum(): YSoundSpectrum | null;
    /**
     * Retrieves the first SoundSpectrum in a given context
     *
     * @param yctx {YAPIContext}
     *
     * @returns {YSoundSpectrum}
     */
    static FirstSoundSpectrumInContext(yctx: YAPIContext): YSoundSpectrum | null;
}
export declare namespace YSoundSpectrum {
    interface ValueCallback {
        (func: YSoundSpectrum, value: string): void;
    }
}
