在 PC 上从串口向CC2430 发任意长度为30 字节的字串，若长度不足30 字节，则以#为字串末字节，CC2430 在收到字节后会将这一字串从串口反向发向PC,用串口助手可以显示出来。-In the PC serial port to the CC2430 from fat, 30 bytes of arbitrary length of the string, if length of less than 30 bytes, then# For the string at the end of byte, CC2430 will be after the receipt of the byte string Reverse fat from the serial port to the PC, using serial assistants can be displayed.