MFC, USB

USB API for Windows( http://stackoverflow.com/questions/12036077/usb-api-for-windows ) Its called WinUSB -  http://msdn.microsoft.com/en-us/library/windows/hardware/ff540196(v=vs.85).aspx Sample WinUSB code found here -  http://msdn.microsoft.com/en-us/library/windows/hardware/ff540174(v=vs.85).aspx

cypress library which has 2 versions for managed and unmanaged languages. http://www.cypress.com/?rID=34870 칩사용해야함

http://www.ftdichip.com 칩사용해야함 Interact with FTDI chip Contents What is FTDI chip?  How to find out if the device is FTDI-based?  How to interact with it?  FTDI API usage  Opening the virtual serial port  Setting up the port  Reading and Writing  EEPROM programming  Links http://www.codeproject.com/Articles/37982/Interact-with-FTDI-chip