Slave: 速度改为1－15，0时全亮并且没有计时。开始延时，并且P0闪烁1－2s。后全灭。 MASTER: 修改头文件。 -Slave: the speed of light changed 1-15,0-wide and when there is no time. The beginning of latency, and P0 blinking 1-2s. After the body. MASTER: modified header files.