控制USB LPT的代码，通过WriteFile控制USB打印口-Read/Write USB LPT Port by ReadFile/WriteFile API,not by 0x378 I/O Port

TQ2440开发板上串口通信程序 应用程序通过Createfile打开设备，用readfile和writefile实现读写串口-Serial Communication TQ2440 development board applications through Createfile to open the device with read and write serial port readfile and writefile to achieve

MFC串口通信编程详解，主要介绍了用CreateFile()函数和WriteFile()函数读写串口的实例,以及设置 串口属性的实例.-Detailed MFC serial communication programming, mainly introduces the CreateFile () function and the WriteFile () function to read and write serial instances, and set the serial por