实现并行数据串行传输与接收，最后输出并行数据，中间有偶检验位，有报警位，接收方对接收的数据进行偶校验，无误后接收，有问题则报警。-Parallel serial data transmission and reception, the final output parallel data, the middle even parity bit, alarm bit, the receiver for receiving data even parity, correct reception, t