rs232_3

代码说明：

说明：  为串口收发器以及汉明编码，将电脑通过串口发送的7位数据转化成汉明码显示于led上，或把接收到的11位汉明码解码并验错纠错(For the serial port transceiver, and Hamming codes, the computer through the serial port into 7-bit data displayed on the led on the Hamming code, or to receive the 11 Hamming code error correction decoding and experience)