Chrome.hid.send doesn't work on second use

Something about my use chrome.hid.send

seems to be leaving the bus in poor condition. I constantly can't get the second use of the API call to work. Sometimes it also fails on first use. WITH EXACT DIFFERENT CODE, I can come back and try later (maybe 10 minutes) and the first submission will work.

The device I am working with does not return a response to all messages sent to it. For example, a test message is just a dummy message that is ignored by the device. I have tested this on both Mac and PC. The stack depth of my call is 2 at this point in my application (literally the first one starts with a button click and then setTimeout

calls the same method after 5 seconds).

I have tested sending buffers of 64 bits as well as 58 bits. Properties of the HidDeviceInfo object read "maxInputReportSize": 64, "maxOutputReportSize": 64

Params on first use:

Params on second use:

I really can't figure out how I'm using the API wrong. When messages succeed, I see them on the device side.

// Transmits the given data
//
// @param[in] outData,       The data to send as an ArrayBuffer
// @param[in] onTxCompleted, The method called on completion of the outgoing transfer.  The return
//                           code is passed as a string.
// @param[in] onRxCompleted, The method called on completion of the incoming transfer.  The return
//                           code is passed as a string along with the response as an ArrayBuffer.
send: function(outData, onTxCompleted, onRxCompleted) {
  if (-1 === connection_) {
    console.log("Attempted to send data with no device connected.");
    return;
  }

  if (0 == outData.byteLength) {
    console.log("Attempted to send nothing.");
    return;
  }

  if (COMMS.receiving) {
    console.log("Waiting for a response to a previous message.  Aborting.");
    return;
  }

  if (COMMS.transmitting) {
    console.log("Waiting for a previous message to finish sending.  Aborting.");
    return;
  }

  COMMS.transmitting = true;
  var dummyUint8Array = new Uint8Array(outData);
  chrome.hid.send(connection_, REPORT_ID, outData, function() {
    COMMS.transmitting = false;

    if (onTxCompleted) {
      onTxCompleted(chrome.runtime.lastError ? chrome.runtime.lastError.message : '');
    }

    if (chrome.runtime.lastError) {
      console.log('Error in COMMS.send: ' + chrome.runtime.lastError.message);
      return;
    }

    // Register a response handler if one is expected
    if (onRxCompleted) {
      COMMS.receiving = true;
      chrome.hid.receive(connection_, function(reportId, inData) {
        COMMS.receiving = false;
        onRxCompleted(chrome.runtime.lastError ? chrome.runtime.lastError.message : '', inData);
      });
    }
  });
}


// Example usage
var testMessage = new Uint8Array(58);
var testTransmission = function() {
  message[0] = 123;
  COMMS.send(message.buffer, null, null);
  setTimeout(testTransmission, 5000);
};
testTranmission();