程序说明：本程序为读写器程序。 下面将本程序所用变量及含义定义如下： 定义SBUF（N）为串行通讯的缓冲区 定义CBUF（N）为读卡卡号的缓冲区-Procedure Descr iption: This procedure for reading and writing program. Following this procedure will be used and the meaning of variables are defined as follows: the defi

串口以查询法的方式从电脑接收16进制的数据，SBUF是8位的，所以每次接收8位进来-Serial port to check the law of the receiving computer 16 from the data-band, SBUF is 8, so each received 8 in.