rxjs-obd/lib/operators/fuelTankLevel.js

RxJS Implementation for OBD (On Board Diagnostics) of vehicles via ELM 327 connections.

import { OBDOuterSubscriber } from '../model/OBDOuterSubscriber';
export function fuelTankLevel() {
    return function (source) {
        return source.lift(new FuelTankLevelOperator());
    };
}
class FuelTankLevelOperator {
    call(subscriber, source) {
        return source.subscribe(new FuelTankLevelSubscriber(subscriber));
    }
}
class FuelTankLevelSubscriber extends OBDOuterSubscriber {
    constructor(destination) {
        super(destination);
    }
    /**
     * Return the frequency of execution of this command.
     * @return that this command must be executed every 5 pulses.
     */
    pulse() {
        return 5;
    }
    /**
     * Return the string representation of the OBD Read command.
     * @returns the string representation of the OBD Read command
     */
    command() {
        return '01 2F 1\r';
    }
    /**
     * Return the name of the OBD Field on OBD Data object.
     * @returns the name of the OBD Field on OBD Data object.
     */
    field() {
        return 'fuelTankLevel';
    }
    /**
     * Parse the OBD response.
     * @param bytes the response read from OBD.
     * @returns the parsed response.
     */
    parse(bytes) {
        return parseInt(bytes[2], 16) * 100 / 255;
    }
}
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