TMS320VC5502的外部串口通信程序验证，我验证过了！-TMS320VC5502 external serial communication procedures to verify, I had to verify!

f2812 串口中断测试程序，可参考对f2812的串口寄存器进行配置-f2812 serial interrupt test procedures, refer to the serial port on the f2812 configuration register