不好意思，写错了，查询AT+CEREG?，刚开始返回的是+CGREG: 0,0，然后一段时间后是+CGREG: 0,1，驻网是成功的。下面是日志：11-43-40[13213] I/pkg.bc28_mqtt: line 1 buffer :11-43-40[13218] I/pkg.bc28_mqtt: line 2 buffer : +CPIN: READY11-43-40[13224] I/pkg.bc28_mqtt: line 3 buffer :11-43-40[13229] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-40[13235] D/pkg.bc28_mqtt: # ^^ successed11-43-40[13239] D/pkg.bc28_mqtt: AT_QUERY_CPIN OK!11-43-4011-43-40[13248] I/pkg.bc28_mqtt: line 1 buffer :11-43-40[13253] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-40[13259] I/pkg.bc28_mqtt: line 3 buffer :11-43-40[13265] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-40[13270] D/pkg.bc28_mqtt: # >< Failed11-43-41[13778] I/pkg.bc28_mqtt: line 1 buffer :11-43-41[13783] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-41[13789] I/pkg.bc28_mqtt: line 3 buffer :11-43-41[13794] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-41[13800] D/pkg.bc28_mqtt: # >< Failed11-43-41[14308] I/pkg.bc28_mqtt: line 1 buffer :11-43-41[14313] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-41[14319] I/pkg.bc28_mqtt: line 3 buffer :11-43-41[14324] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-41[14330] D/pkg.bc28_mqtt: # >< Failed11-43-42[14838] I/pkg.bc28_mqtt: line 1 buffer :11-43-42[14843] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-42[14849] I/pkg.bc28_mqtt: line 3 buffer :11-43-42[14855] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-42[14860] D/pkg.bc28_mqtt: # >< Failed11-43-42[15368] I/pkg.bc28_mqtt: line 1 buffer :11-43-42[15373] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-42[15379] I/pkg.bc28_mqtt: line 3 buffer :11-43-42[15385] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-42[15390] D/pkg.bc28_mqtt: # >< Failed11-43-43[15898] I/pkg.bc28_mqtt: line 1 buffer :11-43-43[15903] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,011-43-43[15909] I/pkg.bc28_mqtt: line 3 buffer :11-43-43[15915] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-43[15920] D/pkg.bc28_mqtt: # >< Failed11-43-43[16445] I/pkg.bc28_mqtt: line 1 buffer :11-43-43[16451] I/pkg.bc28_mqtt: line 2 buffer : +CREG: 0,111-43-43[16457] I/pkg.bc28_mqtt: line 3 buffer :11-43-43[16462] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-44[16468] D/pkg.bc28_mqtt: # ^^ successed11-43-44[16472] D/pkg.bc28_mqtt: AT_QUERY_CREG OK!11-43-4411-43-44[16566] I/pkg.bc28_mqtt: line 1 buffer :11-43-44[16571] I/pkg.bc28_mqtt: line 2 buffer : +CGREG: 0,111-43-44[16577] I/pkg.bc28_mqtt: line 3 buffer :11-43-44[16583] I/pkg.bc28_mqtt: line 4 buffer : OK11-43-44[16588] D/pkg.bc28_mqtt: # ^^ successed11-43-44[16592] D/pkg.bc28_mqtt: AT_QUERY_CGREG OK!11-43-4411-43-44[16787] I/pkg.bc28_mqtt: line 1 buffer :11-43-44[16793] I/pkg.bc28_mqtt: line 2 buffer : OK11-43-44[16798] D/pkg.bc28_mqtt: # ^^ successed11-43-44[16802] D/pkg.bc28_mqtt: AT_QICSGP OK!11-43-4411-43-44[16813] I/pkg.bc28_mqtt: line 1 buffer :11-43-44[16818] I/pkg.bc28_mqtt: line 2 buffer : OK11-43-44[16823] D/pkg.bc28_mqtt: # successed11-43-44[16828] D/pkg.bc28_mqtt: AT_QIACT OK!11-43-4411-43-44[16838] D/pkg.bc28_mqtt: IP address: “10.221.178.164”
EC200S换了物联网卡后SOCKET连接失败！<移远offer卡在副总>
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