在评估板赙赠光盘里面的375与372通讯的愿程序编译出现问题 unsigned char volatile xdata CH375_CMD_PORT _at_ 0xBDF1; /* CH375命令端口的I/O地址 */ unsigned char volatile xdata CH375_DAT_PORT _at_ 0xBCF0; /* CH375数据端口的I/O地址 */
ERROR 129 IN LINE 15 OF CH375LNK.C: missing ';' before '_at_'
请问_at_是什么意思?我查了半天没查到=.= 麻烦大鸟帮忙解决下~ 万分感谢