file:///C:UsersAdministratorAppDataRoamingTencentUsers601906427QQWinTempRichOleCUQ44P`7BL$]SJ{E@MSK}2V.png
(sim800c_send_cmd("AT+CPIN?","OK",200))res|=1<<0;        问下 大家，为什么这里他匹配的返回值是OK而 手册上面写的返回是+CPIN:READY