/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Implements the high-level API for QuadratureDecoder 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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 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
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 *********************************************************************/
import { YAPI, YFunction, YSensor } from './yocto_api.js';
//--- (YQuadratureDecoder class start)
/**
 * YQuadratureDecoder Class: quadrature decoder control interface, available for instance in the
 * Yocto-MaxiKnob or the Yocto-PWM-Rx
 *
 * The YQuadratureDecoder class allows you to read and configure Yoctopuce quadrature decoders.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 */
//--- (end of YQuadratureDecoder class start)
export class YQuadratureDecoder extends YSensor {
    //--- (end of YQuadratureDecoder attributes declaration)
    constructor(yapi, func) {
        //--- (YQuadratureDecoder constructor)
        super(yapi, func);
        this._speed = YQuadratureDecoder.SPEED_INVALID;
        this._decoding = YQuadratureDecoder.DECODING_INVALID;
        this._edgesPerCycle = YQuadratureDecoder.EDGESPERCYCLE_INVALID;
        this._valueCallbackQuadratureDecoder = null;
        this._timedReportCallbackQuadratureDecoder = null;
        // API symbols as object properties
        this.SPEED_INVALID = YAPI.INVALID_DOUBLE;
        this.DECODING_OFF = 0;
        this.DECODING_ON = 1;
        this.DECODING_INVALID = -1;
        this.EDGESPERCYCLE_INVALID = YAPI.INVALID_UINT;
        this._className = 'QuadratureDecoder';
        //--- (end of YQuadratureDecoder constructor)
    }
    //--- (YQuadratureDecoder implementation)
    imm_parseAttr(name, val) {
        switch (name) {
            case 'speed':
                this._speed = Math.round(val / 65.536) / 1000.0;
                return 1;
            case 'decoding':
                this._decoding = val;
                return 1;
            case 'edgesPerCycle':
                this._edgesPerCycle = val;
                return 1;
        }
        return super.imm_parseAttr(name, val);
    }
    /**
     * Changes the current expected position of the quadrature decoder.
     * Invoking this function implicitly activates the quadrature decoder.
     *
     * @param newval : a floating point number corresponding to the current expected position of the quadrature decoder
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    async set_currentValue(newval) {
        let rest_val;
        rest_val = String(Math.round(newval * 65536.0));
        return await this._setAttr('currentValue', rest_val);
    }
    /**
     * Returns the cycle frequency, in Hz.
     *
     * @return a floating point number corresponding to the cycle frequency, in Hz
     *
     * On failure, throws an exception or returns YQuadratureDecoder.SPEED_INVALID.
     */
    async get_speed() {
        let res;
        if (this._cacheExpiration <= this._yapi.GetTickCount()) {
            if (await this.load(this._yapi.defaultCacheValidity) != this._yapi.SUCCESS) {
                return YQuadratureDecoder.SPEED_INVALID;
            }
        }
        res = this._speed;
        return res;
    }
    /**
     * Returns the current activation state of the quadrature decoder.
     *
     * @return either YQuadratureDecoder.DECODING_OFF or YQuadratureDecoder.DECODING_ON, according to the
     * current activation state of the quadrature decoder
     *
     * On failure, throws an exception or returns YQuadratureDecoder.DECODING_INVALID.
     */
    async get_decoding() {
        let res;
        if (this._cacheExpiration <= this._yapi.GetTickCount()) {
            if (await this.load(this._yapi.defaultCacheValidity) != this._yapi.SUCCESS) {
                return YQuadratureDecoder.DECODING_INVALID;
            }
        }
        res = this._decoding;
        return res;
    }
    /**
     * Changes the activation state of the quadrature decoder.
     * Remember to call the saveToFlash()
     * method of the module if the modification must be kept.
     *
     * @param newval : either YQuadratureDecoder.DECODING_OFF or YQuadratureDecoder.DECODING_ON, according
     * to the activation state of the quadrature decoder
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    async set_decoding(newval) {
        let rest_val;
        rest_val = String(newval);
        return await this._setAttr('decoding', rest_val);
    }
    /**
     * Returns the edge count per full cycle configuration setting.
     *
     * @return an integer corresponding to the edge count per full cycle configuration setting
     *
     * On failure, throws an exception or returns YQuadratureDecoder.EDGESPERCYCLE_INVALID.
     */
    async get_edgesPerCycle() {
        let res;
        if (this._cacheExpiration <= this._yapi.GetTickCount()) {
            if (await this.load(this._yapi.defaultCacheValidity) != this._yapi.SUCCESS) {
                return YQuadratureDecoder.EDGESPERCYCLE_INVALID;
            }
        }
        res = this._edgesPerCycle;
        return res;
    }
    /**
     * Changes the edge count per full cycle configuration setting.
     * Remember to call the saveToFlash()
     * method of the module if the modification must be kept.
     *
     * @param newval : an integer corresponding to the edge count per full cycle configuration setting
     *
     * @return YAPI.SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     */
    async set_edgesPerCycle(newval) {
        let rest_val;
        rest_val = String(newval);
        return await this._setAttr('edgesPerCycle', rest_val);
    }
    /**
     * Retrieves a quadrature decoder 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 quadrature decoder is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YQuadratureDecoder.isOnline() to test if the quadrature decoder is
     * indeed online at a given time. In case of ambiguity when looking for
     * a quadrature decoder 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 quadrature decoder, for instance
     *         YMXBTN01.quadratureDecoder1.
     *
     * @return a YQuadratureDecoder object allowing you to drive the quadrature decoder.
     */
    static FindQuadratureDecoder(func) {
        let obj;
        obj = YFunction._FindFromCache('QuadratureDecoder', func);
        if (obj == null) {
            obj = new YQuadratureDecoder(YAPI, func);
            YFunction._AddToCache('QuadratureDecoder', func, obj);
        }
        return obj;
    }
    /**
     * Retrieves a quadrature decoder 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 quadrature decoder is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method YQuadratureDecoder.isOnline() to test if the quadrature decoder is
     * indeed online at a given time. In case of ambiguity when looking for
     * a quadrature decoder 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 quadrature decoder, for instance
     *         YMXBTN01.quadratureDecoder1.
     *
     * @return a YQuadratureDecoder object allowing you to drive the quadrature decoder.
     */
    static FindQuadratureDecoderInContext(yctx, func) {
        let obj;
        obj = YFunction._FindFromCacheInContext(yctx, 'QuadratureDecoder', func);
        if (obj == null) {
            obj = new YQuadratureDecoder(yctx, func);
            YFunction._AddToCache('QuadratureDecoder', func, obj);
        }
        return obj;
    }
    /**
     * 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
     */
    async registerValueCallback(callback) {
        let val;
        if (callback != null) {
            await YFunction._UpdateValueCallbackList(this, true);
        }
        else {
            await YFunction._UpdateValueCallbackList(this, false);
        }
        this._valueCallbackQuadratureDecoder = callback;
        // Immediately invoke value callback with current value
        if (callback != null && await this.isOnline()) {
            val = this._advertisedValue;
            if (!(val == '')) {
                await this._invokeValueCallback(val);
            }
        }
        return 0;
    }
    async _invokeValueCallback(value) {
        if (this._valueCallbackQuadratureDecoder != null) {
            try {
                await this._valueCallbackQuadratureDecoder(this, value);
            }
            catch (e) {
                this._yapi.imm_log('Exception in valueCallback:', e);
            }
        }
        else {
            await super._invokeValueCallback(value);
        }
        return 0;
    }
    /**
     * 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
     */
    async registerTimedReportCallback(callback) {
        let sensor;
        sensor = this;
        if (callback != null) {
            await YFunction._UpdateTimedReportCallbackList(sensor, true);
        }
        else {
            await YFunction._UpdateTimedReportCallbackList(sensor, false);
        }
        this._timedReportCallbackQuadratureDecoder = callback;
        return 0;
    }
    async _invokeTimedReportCallback(value) {
        if (this._timedReportCallbackQuadratureDecoder != null) {
            try {
                await this._timedReportCallbackQuadratureDecoder(this, value);
            }
            catch (e) {
                this._yapi.imm_log('Exception in timedReportCallback:', e);
            }
        }
        else {
            await super._invokeTimedReportCallback(value);
        }
        return 0;
    }
    /**
     * Continues the enumeration of quadrature decoders started using yFirstQuadratureDecoder().
     * Caution: You can't make any assumption about the returned quadrature decoders order.
     * If you want to find a specific a quadrature decoder, use QuadratureDecoder.findQuadratureDecoder()
     * and a hardwareID or a logical name.
     *
     * @return a pointer to a YQuadratureDecoder object, corresponding to
     *         a quadrature decoder currently online, or a null pointer
     *         if there are no more quadrature decoders to enumerate.
     */
    nextQuadratureDecoder() {
        let resolve = this._yapi.imm_resolveFunction(this._className, this._func);
        if (resolve.errorType != YAPI.SUCCESS)
            return null;
        let next_hwid = this._yapi.imm_getNextHardwareId(this._className, resolve.result);
        if (next_hwid == null)
            return null;
        return YQuadratureDecoder.FindQuadratureDecoderInContext(this._yapi, next_hwid);
    }
    /**
     * Starts the enumeration of quadrature decoders currently accessible.
     * Use the method YQuadratureDecoder.nextQuadratureDecoder() to iterate on
     * next quadrature decoders.
     *
     * @return a pointer to a YQuadratureDecoder object, corresponding to
     *         the first quadrature decoder currently online, or a null pointer
     *         if there are none.
     */
    static FirstQuadratureDecoder() {
        let next_hwid = YAPI.imm_getFirstHardwareId('QuadratureDecoder');
        if (next_hwid == null)
            return null;
        return YQuadratureDecoder.FindQuadratureDecoder(next_hwid);
    }
    /**
     * Starts the enumeration of quadrature decoders currently accessible.
     * Use the method YQuadratureDecoder.nextQuadratureDecoder() to iterate on
     * next quadrature decoders.
     *
     * @param yctx : a YAPI context.
     *
     * @return a pointer to a YQuadratureDecoder object, corresponding to
     *         the first quadrature decoder currently online, or a null pointer
     *         if there are none.
     */
    static FirstQuadratureDecoderInContext(yctx) {
        let next_hwid = yctx.imm_getFirstHardwareId('QuadratureDecoder');
        if (next_hwid == null)
            return null;
        return YQuadratureDecoder.FindQuadratureDecoderInContext(yctx, next_hwid);
    }
}
// API symbols as static members
YQuadratureDecoder.SPEED_INVALID = YAPI.INVALID_DOUBLE;
YQuadratureDecoder.DECODING_OFF = 0;
YQuadratureDecoder.DECODING_ON = 1;
YQuadratureDecoder.DECODING_INVALID = -1;
YQuadratureDecoder.EDGESPERCYCLE_INVALID = YAPI.INVALID_UINT;
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