yoctolib-esm
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Yoctopuce library for TypeScript/JavaScript, as an ECMAScript 2015 module
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JavaScript
/*********************************************************************
*
* $Id: svn_id $
*
* Implements the high-level API for Longitude 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
* LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR
* CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE
* BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
* WARRANTY, OR OTHERWISE.
*
*********************************************************************/
import { YAPI, YFunction, YSensor } from './yocto_api.js';
//--- (YLongitude class start)
/**
* YLongitude Class: longitude sensor control interface, available for instance in the Yocto-GPS-V2
*
* The YLongitude class allows you to read and configure Yoctopuce longitude sensors.
* It inherits from YSensor class the core functions to read measures,
* to register callback functions, and to access the autonomous datalogger.
*/
//--- (end of YLongitude class start)
export class YLongitude extends YSensor {
// API symbols as static members
//--- (end of YLongitude attributes declaration)
constructor(yapi, func) {
//--- (YLongitude constructor)
super(yapi, func);
this._valueCallbackLongitude = null;
this._timedReportCallbackLongitude = null;
this._className = 'Longitude';
//--- (end of YLongitude constructor)
}
//--- (YLongitude implementation)
/**
* Retrieves a longitude 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 longitude sensor is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method YLongitude.isOnline() to test if the longitude sensor is
* indeed online at a given time. In case of ambiguity when looking for
* a longitude 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 longitude sensor, for instance
* YGNSSMK2.longitude.
*
* @return a YLongitude object allowing you to drive the longitude sensor.
*/
static FindLongitude(func) {
let obj;
obj = YFunction._FindFromCache('Longitude', func);
if (obj == null) {
obj = new YLongitude(YAPI, func);
YFunction._AddToCache('Longitude', func, obj);
}
return obj;
}
/**
* Retrieves a longitude 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 longitude sensor is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method YLongitude.isOnline() to test if the longitude sensor is
* indeed online at a given time. In case of ambiguity when looking for
* a longitude 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 longitude sensor, for instance
* YGNSSMK2.longitude.
*
* @return a YLongitude object allowing you to drive the longitude sensor.
*/
static FindLongitudeInContext(yctx, func) {
let obj;
obj = YFunction._FindFromCacheInContext(yctx, 'Longitude', func);
if (obj == null) {
obj = new YLongitude(yctx, func);
YFunction._AddToCache('Longitude', func, obj);
}
return obj;
}
/**
* 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
*/
async registerValueCallback(callback) {
let val;
if (callback != null) {
await YFunction._UpdateValueCallbackList(this, true);
}
else {
await YFunction._UpdateValueCallbackList(this, false);
}
this._valueCallbackLongitude = 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._valueCallbackLongitude != null) {
try {
await this._valueCallbackLongitude(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._timedReportCallbackLongitude = callback;
return 0;
}
async _invokeTimedReportCallback(value) {
if (this._timedReportCallbackLongitude != null) {
try {
await this._timedReportCallbackLongitude(this, value);
}
catch (e) {
this._yapi.imm_log('Exception in timedReportCallback:', e);
}
}
else {
await super._invokeTimedReportCallback(value);
}
return 0;
}
/**
* Continues the enumeration of longitude sensors started using yFirstLongitude().
* Caution: You can't make any assumption about the returned longitude sensors order.
* If you want to find a specific a longitude sensor, use Longitude.findLongitude()
* and a hardwareID or a logical name.
*
* @return a pointer to a YLongitude object, corresponding to
* a longitude sensor currently online, or a null pointer
* if there are no more longitude sensors to enumerate.
*/
nextLongitude() {
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 YLongitude.FindLongitudeInContext(this._yapi, next_hwid);
}
/**
* Starts the enumeration of longitude sensors currently accessible.
* Use the method YLongitude.nextLongitude() to iterate on
* next longitude sensors.
*
* @return a pointer to a YLongitude object, corresponding to
* the first longitude sensor currently online, or a null pointer
* if there are none.
*/
static FirstLongitude() {
let next_hwid = YAPI.imm_getFirstHardwareId('Longitude');
if (next_hwid == null)
return null;
return YLongitude.FindLongitude(next_hwid);
}
/**
* Starts the enumeration of longitude sensors currently accessible.
* Use the method YLongitude.nextLongitude() to iterate on
* next longitude sensors.
*
* @param yctx : a YAPI context.
*
* @return a pointer to a YLongitude object, corresponding to
* the first longitude sensor currently online, or a null pointer
* if there are none.
*/
static FirstLongitudeInContext(yctx) {
let next_hwid = yctx.imm_getFirstHardwareId('Longitude');
if (next_hwid == null)
return null;
return YLongitude.FindLongitudeInContext(yctx, next_hwid);
}
}
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