SD卡串行数据读写程序。SPI总线传输。

WINCE基本程序，包括Helloworld、chat、LCD测试、SD卡测试和串口Serial测试程序-WINCE basic procedures, including Helloworld, chat, LCD test, SD card serial Serial testing and testing procedures

这个是一个SD卡程序，基于CW5.1编译环境，适合新手参考-This is an SD card program, based CW5.1 compiler environment, suitable for novice reference