SJF2440 XP下对并口IO端口操作的驱动，包含源码和测试程序

这是lpc2146的IO口测试程序，测试已经通过，开发环境是ADS1.2+WINDOS XP SP3,请编译之前阅读doc目录下的readme.txt-This is the IO port lpc2146 test procedures, test has been passed, the development environment is ADS1.2+ WINDOS XP SP3, please read the doc before the compiler directory rea