private LCDPacket Send(byte type, byte dataLength, byte[] data)
{
ushort crc;
if ((null == data && dataLength != 0) || dataLength > data.Length)
{
throw new ArgumentException("bad data sent to Send");
}
packetXMitBuffer[0] = type;
packetXMitBuffer[1] = dataLength;
if (0 != dataLength)
{
Array.Copy(data, 0, packetXMitBuffer, 2, dataLength);
}
crc = CRCGenerator.GenerateCRC(packetXMitBuffer, dataLength + 2, CRC_SEED);
packetXMitBuffer[2 + dataLength + 1] = (byte)(crc >> 8);
packetXMitBuffer[2 + dataLength] = (byte)crc;
lock (responseSignal)
{
responsePacket = null;
// comPort
com.Write(packetXMitBuffer, 0, dataLength + 4);
if (Monitor.Wait(responseSignal, MAX_RESPONSE_TIME))
{
return(responsePacket);
}
}
return(null);
}
private bool SendReturnBool(byte type, byte dataLength, byte[] data)
{
LCDPacket packet = Send(type, dataLength, data);
if (null != packet)
{
return(type == (packet.Type & 0x0F) && LCDPacket.LCDPacketType.NORMAL_RESPONSE == responsePacket.PacketType);
}
else
{
return(false);
}
}
private byte[] SendReturnData(byte type, byte dataLength, byte[] data)
{
LCDPacket packet = Send(type, dataLength, data);
if (null != packet)
{
return(packet.Data);
}
else
{
return(null);
}
}