/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Implements the high-level API for Accelerometer 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';
/**
 * YAccelerometer Class: accelerometer control interface, available for instance in the Yocto-3D-V2 or
 * the Yocto-Inclinometer
 *
 * The YAccelerometer class allows you to read and configure Yoctopuce accelerometers.
 * 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 possibility to access x, y and z components of the acceleration
 * vector separately.
 */
export declare class YAccelerometer extends YSensor {
    _className: string;
    _bandwidth: number;
    _xValue: number;
    _yValue: number;
    _zValue: number;
    _gravityCancellation: YAccelerometer.GRAVITYCANCELLATION;
    _valueCallbackAccelerometer: YAccelerometer.ValueCallback | null;
    _timedReportCallbackAccelerometer: YAccelerometer.TimedReportCallback | null;
    readonly BANDWIDTH_INVALID: number;
    readonly XVALUE_INVALID: number;
    readonly YVALUE_INVALID: number;
    readonly ZVALUE_INVALID: number;
    readonly GRAVITYCANCELLATION_OFF: YAccelerometer.GRAVITYCANCELLATION;
    readonly GRAVITYCANCELLATION_ON: YAccelerometer.GRAVITYCANCELLATION;
    readonly GRAVITYCANCELLATION_INVALID: YAccelerometer.GRAVITYCANCELLATION;
    static readonly BANDWIDTH_INVALID: number;
    static readonly XVALUE_INVALID: number;
    static readonly YVALUE_INVALID: number;
    static readonly ZVALUE_INVALID: number;
    static readonly GRAVITYCANCELLATION_OFF: YAccelerometer.GRAVITYCANCELLATION;
    static readonly GRAVITYCANCELLATION_ON: YAccelerometer.GRAVITYCANCELLATION;
    static readonly GRAVITYCANCELLATION_INVALID: YAccelerometer.GRAVITYCANCELLATION;
    constructor(yapi: YAPIContext, func: string);
    imm_parseAttr(name: string, val: any): number;
    /**
     * Returns the measure update frequency, measured in Hz.
     *
     * @return an integer corresponding to the measure update frequency, measured in Hz
     *
     * On failure, throws an exception or returns YAccelerometer.BANDWIDTH_INVALID.
     */
    get_bandwidth(): Promise<number>;
    /**
     * Changes the measure update frequency, measured in Hz. When the
     * frequency is lower, the device performs averaging.
     * Remember to call the saveToFlash()
     * method of the module if the modification must be kept.
     *
     * @param newval : an integer corresponding to the measure update frequency, measured in Hz
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    set_bandwidth(newval: number): Promise<number>;
    /**
     * Returns the X component of the acceleration, as a floating point number.
     *
     * @return a floating point number corresponding to the X component of the acceleration, as a floating point number
     *
     * On failure, throws an exception or returns YAccelerometer.XVALUE_INVALID.
     */
    get_xValue(): Promise<number>;
    /**
     * Returns the Y component of the acceleration, as a floating point number.
     *
     * @return a floating point number corresponding to the Y component of the acceleration, as a floating point number
     *
     * On failure, throws an exception or returns YAccelerometer.YVALUE_INVALID.
     */
    get_yValue(): Promise<number>;
    /**
     * Returns the Z component of the acceleration, as a floating point number.
     *
     * @return a floating point number corresponding to the Z component of the acceleration, as a floating point number
     *
     * On failure, throws an exception or returns YAccelerometer.ZVALUE_INVALID.
     */
    get_zValue(): Promise<number>;
    get_gravityCancellation(): Promise<YAccelerometer.GRAVITYCANCELLATION>;
    set_gravityCancellation(newval: YAccelerometer.GRAVITYCANCELLATION): Promise<number>;
    /**
     * Retrieves an accelerometer 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 accelerometer is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YAccelerometer.isOnline() to test if the accelerometer is
     * indeed online at a given time. In case of ambiguity when looking for
     * an accelerometer 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 accelerometer, for instance
     *         Y3DMK002.accelerometer.
     *
     * @return a YAccelerometer object allowing you to drive the accelerometer.
     */
    static FindAccelerometer(func: string): YAccelerometer;
    /**
     * Retrieves an accelerometer 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 accelerometer is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YAccelerometer.isOnline() to test if the accelerometer is
     * indeed online at a given time. In case of ambiguity when looking for
     * an accelerometer 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 accelerometer, for instance
     *         Y3DMK002.accelerometer.
     *
     * @return a YAccelerometer object allowing you to drive the accelerometer.
     */
    static FindAccelerometerInContext(yctx: YAPIContext, func: string): YAccelerometer;
    /**
     * Registers the callback function that is invoked on every change of advertised value.
     * 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 the character string describing
     *         the new advertised value.
     * @noreturn
     */
    registerValueCallback(callback: YAccelerometer.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: YAccelerometer.TimedReportCallback | null): Promise<number>;
    _invokeTimedReportCallback(value: YMeasure): Promise<number>;
    /**
     * Continues the enumeration of accelerometers started using yFirstAccelerometer().
     * Caution: You can't make any assumption about the returned accelerometers order.
     * If you want to find a specific an accelerometer, use Accelerometer.findAccelerometer()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YAccelerometer object, corresponding to
     *         an accelerometer currently online, or a null pointer
     *         if there are no more accelerometers to enumerate.
     */
    nextAccelerometer(): YAccelerometer | null;
    /**
     * Starts the enumeration of accelerometers currently accessible.
     * Use the method YAccelerometer.nextAccelerometer() to iterate on
     * next accelerometers.
     *
     * @return a pointer to a YAccelerometer object, corresponding to
     *         the first accelerometer currently online, or a null pointer
     *         if there are none.
     */
    static FirstAccelerometer(): YAccelerometer | null;
    /**
     * Starts the enumeration of accelerometers currently accessible.
     * Use the method YAccelerometer.nextAccelerometer() to iterate on
     * next accelerometers.
     *
     * @param yctx : a YAPI context.
     *
     * @return a pointer to a YAccelerometer object, corresponding to
     *         the first accelerometer currently online, or a null pointer
     *         if there are none.
     */
    static FirstAccelerometerInContext(yctx: YAPIContext): YAccelerometer | null;
}
export declare namespace YAccelerometer {
    const enum GRAVITYCANCELLATION {
        OFF = 0,
        ON = 1,
        INVALID = -1
    }
    interface ValueCallback {
        (func: YAccelerometer, value: string): void;
    }
    interface TimedReportCallback {
        (func: YAccelerometer, measure: YMeasure): void;
    }
}