stopTest.js

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if (process.argv.length != 4) {
  console.log('\nUsage: node stopTest.js <port> <baudrate>\n');
  process.exit(1);
}

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var OBD = require('obd-parser');

var getConnector = require('obd-parser-serial-connection');

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var count = 0;
var maxCount = 5;

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var connect = getConnector({
  serialPath: process.argv[2],
  serialOpts: {
    baudrate: process.argv[3]
  }
});

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OBD.init(connect).then(function() {

  var rpmPoller = new OBD.ECUPoller({
    pid: new OBD.PIDS.Rpm(),
    interval: 500
  });

  console.log('[stopTest.js] calling startPolling()')
  rpmPoller.startPolling();

  rpmPoller.on('data', function(output) {
    PrintOBDMessage('12/0x0C RPM', output);

    count++;
    console.log(count);
    if (count >= maxCount) {
      console.log('[stopTest.js] calling stopPolling()');
      rpmPoller.stopPolling();
    }

  });

});

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function PrintOBDMessage(pid, msg) {
  console.log('\n------- ' + pid + ' -------')
  console.log('time: ', msg.ts);
  console.log('bytes: ', msg.bytes);
  console.log('value: ', msg.value);
  console.log('pretty: ', msg.pretty);
}

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