rxjs-obd/lib/internal/utils.js

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

export const isSupportedPID = (data, pid) => {
    const integer = parseInt(pid, 16);
    // the PIDs that has the bitwise flags of supported PIDs
    if (integer % 0x20 == 0) {
        return true;
    }
    const segment = Math.floor(integer / 0x20) * 0x20;
    const bitmap = data.supportedPIDs[`segment${segment == 0 ? '00' : segment.toString(16)}`];
    const bit = Math.pow(2, 0x20 - (integer % 0x20));
    return (bitmap & bit) !== 0;
};
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