internal bool SendAsync(int connection, int destination, byte[] eventCode = null, byte[] payload = null, BTWAITCOMMANDRESPONSETYPE sendRemark = BTWAITCOMMANDRESPONSETYPE.WAIT_BTAPIRESPONSE, UInt32 cmdRemark = 0xffffffff)
{
byte[] sendData;
if (eventCode == null && payload == null)
{
sendData = new byte[8];
sendData[6] = 0x00;
sendData[7] = 0x00;
}
else if (payload == null)
{
if (eventCode.Length > (255 - 8))
{
return(false);
}
sendData = new byte[8 + eventCode.Length];
Array.Copy(eventCode, 0, sendData, 8, eventCode.Length);
sendData[2] = (byte)eventCode.Length;
}
else
{
if ((eventCode.Length + payload.Length) > (255 - 8))
{
return(false);
}
sendData = new byte[8 + eventCode.Length + payload.Length];
Array.Copy(eventCode, 0, sendData, 8, eventCode.Length);
Array.Copy(payload, 0, sendData, 8 + eventCode.Length, payload.Length);
sendData[2] = (byte)(eventCode.Length + payload.Length);
}
sendData[0] = 0xa7;
sendData[1] = (byte)((connection == 0) ? 0xb3 : 0xe6);
sendData[3] = destinationsID[destination];
sendData[4] = 0x82;
sendData[5] = 0x37; // downlink
sendData[6] = 0x00;
sendData[7] = 0x00;
SENDBUFFER sendItem = new SENDBUFFER();
sendItem.packetData = sendData;
sendItem.cmdRemark = cmdRemark;
sendItem.dataRemark = sendRemark;
_sendBuffer.Add(sendItem);
BLERWEngineTimer();
return(true);
}
async void BLERWEngineTimer()
{
await Task.Delay(10);
lock (_bleEngineLock)
{
if (_readerState != READERSTATE.DISCONNECT)
{
if (_NeedCommandResponseType != BTWAITCOMMANDRESPONSETYPE.NOWAIT)
{
CSLibrary.Debug.WriteLine("wait response : " + _NeedCommandResponseType.ToString() + ":" + _currentCommandResponse);
if ((_currentCommandResponse & _NeedCommandResponseType) == _NeedCommandResponseType)
{
if (_sendBuffer.Count > 0)
{
_sendBuffer.RemoveAt(0);
}
_NeedCommandResponseType = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
_PROTOCOL_RetryCount = 0;
}
else if (DateTime.Now > _packetResponseTimeout)
{
switch (_sendBuffer[0].type)
{
case BTCOMMANDTYPE.None:
case BTCOMMANDTYPE.Normal:
if (_PROTOCOL_RetryCount > 19) // retry 19 times (~40s)
{
// cancel all command and send error event
CSLibrary.Debug.WriteLine("Communication retry fail!!");
_NeedCommandResponseType = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
FireReaderStateChangedEvent(new Events.OnReaderStateChangedEventArgs(_sendBuffer[0], Constants.ReaderCallbackType.COMMUNICATION_ERROR));
_sendBuffer.Clear();
_PROTOCOL_RetryCount = 0;
}
else
{
_PROTOCOL_RetryCount++;
CSLibrary.Debug.WriteLine("Command timeout");
_NeedCommandResponseType = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
}
break;
case BTCOMMANDTYPE.Validate:
if (_PROTOCOL_RetryCount > 0) // retry 1 times
{
// cancel all command and send error event
CSLibrary.Debug.WriteLine("hardware fail!!");
if (_sendBuffer[0].sendFailCallback != null)
{
_sendBuffer[0].sendFailCallback();
}
_NeedCommandResponseType = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
_sendBuffer.RemoveAt(0);
_PROTOCOL_RetryCount = 0;
}
else
{
_PROTOCOL_RetryCount++;
CSLibrary.Debug.WriteLine("Hardware vaildate command timeout");
_NeedCommandResponseType = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
}
break;
}
}
}
if (_NeedCommandResponseType == BTWAITCOMMANDRESPONSETYPE.NOWAIT)
{
if (_sendBuffer.Count > 0 && DateTime.Now > _packetDelayTimeout)
{
_currentCommandResponse = BTWAITCOMMANDRESPONSETYPE.NOWAIT;
_currentCmdRemark = _sendBuffer[0].cmdRemark;
_NeedCommandResponseType = _sendBuffer[0].dataRemark;
CheckRFIDCommand();
BLE_Send(_sendBuffer[0].packetData);
_packetDelayTimeout = DateTime.Now;
_packetResponseTimeout = DateTime.Now.AddSeconds(2);
if (_currentCommandResponse == BTWAITCOMMANDRESPONSETYPE.NOWAIT)
{
if (_sendBuffer[0].packetData[2] == 0x02 && _sendBuffer[0].packetData[9] == 0x00)
{
switch (_sendBuffer[0].packetData[8])
{
case 0x80:
_packetDelayTimeout = DateTime.Now.AddSeconds(3);
break;
case 0x90:
//_packetDelayTimeout = DateTime.Now.AddSeconds(1);
break;
}
} // barcode command delay
else if (_sendBuffer[0].packetData[8] == 0x90 && _sendBuffer[0].packetData[9] == 0x03)
{
_packetDelayTimeout = DateTime.Now.AddMilliseconds(500);
}
}
CSLibrary.Debug.WriteBytes("BT send data (" + _sendBuffer[0].dataRemark.ToString() + ")", _sendBuffer[0].packetData);
}
}
}
else
{
_sendBuffer.Clear();
}
if (_sendBuffer.Count == 0)
{
ExecuteFinishBLETask();
}
}
}
