TMS320DM6446平台下的，对RS232串口进行的完整的测试程序，在CCS下使用。简单易懂，很适合硬件调试人员硬件测试。-TMS320DM6446 platform, the RS232 serial port to carry out a complete test procedures in the use of CCS. Easy-to-read, it is suitable for hardware debugging hardware testing personnel.