eCos3.0 在QQ2440开发板上的移植，nor flash方式启动-eCos3.0 development board in QQ2440 transplant, nor flash boot mode

ecos是类linux系统，将ecos3.0和redboot移植到mini2440开发板上，实现了基本的通信功能。-ecos is a OS similar to linux,i ported the ecos3.0 and redboot to mini2440 board,and implemented some funcions includes basic communications