ccs下对dm6446的测试程序，能够检测ddr,nandflash,uart,usb等硬件电路的裸板测试代码，包含库文件，板级gel文件，开发环境在TI ccs3.3下。-ccs on DM6446 testing procedures can detect ddr, nandflash, uart, usb hardware such as the bare circuit board to test the code, inclu