Namespace uplink

Example

import * as message from 'jooby-codec/mtx3/message/uplink';
import * as frame from 'jooby-codec/mtx1/utils/frame.js';
import getBytesFromHex from 'jooby-codec/utils/getBytesFromHex.js';

const aesKey = [...Array(16).keys()];

// a message with one getDeviceId command
const messageBytes = getBytesFromHex('0d13cf5fa5a836724fc97a0735f817d49651');
// the same message as a frame
const frameBytes = getBytesFromHex('7e51fffffffe0d7d33cf5fa5a836724fc97a0735f817d4965178de7e');

const parsedMessage = message.fromBytes(messageBytes, {aesKey});

console.log('parsed message:', parsedMessage);
// output:
{
  messageId: 10,
  accessLevel: 0,
  commands: [
    {
      id: 5,
      name: 'getDeviceId',
      headerSize: 2,
      bytes: [Array],
      parameters: [Object]
    }
  ],
  bytes: [
     10,  16, 16,  5,  8,  0,
     26, 121, 23, 20, 27, 29,
    106,   0, 68
  ],
  lrc: { received: 68, calculated: 68 }
}

const parsedFrame = frame.fromBytes(frameBytes);

console.log('parsed frame:', parsedFrame);
// output:
{
  bytes: [
    126, 81, 255, 255, 255, 254,  11,
     16, 16,   5,   8,   0,  26, 121,
     23, 20,  27,  29, 106,   0,  68,
    151, 22, 126
  ],
  payload: [
     11,  16, 16,  5,  8,  0,
     26, 121, 23, 20, 27, 29,
    106,   0, 68
  ],
  crc: { calculated: 5783, received: 5783 },
  header: {
    type: 81,
    typeName: 'DATA_RESPONSE',
    destination: 65535,
    source: 65534
  }
}

// parsed successfully
if ( 'bytes' in parsedFrame ) {
    const parsedMessage2 = message.fromBytes(parsedFrame.payload, {aesKey});

    if ( JSON.stringify(parsedMessage) === JSON.stringify(parsedMessage2) ) {
        console.log('correct message');
    } else {
        throw new Error('parsedMessage and parsedMessage2 should be identical!');
    }
}
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