实现功能码1，2，3，4，5，6，15，16的串口MODBUS通讯从站功能，与access交换数据（读写）

__ EmotivEEG headset toolbox __ -------------------- Used to query the EDK library in order to recieve EEG data from the Emotiv EEG headset(__ Files in Toolbox __ (note dlls may need to be supplied by you): -------------------- 22/03/2011 01: