Introduction - If you have any usage issues, please Google them yourself
Windows CE Driver Development under the foundation, Windows CE under the serial driver to handle all I/O behavior similar to serial devices, including those based on 16450,16550 UART (Universal Asynchronous Receiver-chip) devices and some of the equipment used DMA common 9-pin serial port, infrared I/O port, Modem, etc.
Packet : 79419137windowscequdong.rar filelist
Windows CE下驱动程序开发基础.txt