短信猫AT+CMGL=4 AT+CMGL="ALL" 指令接收短信 报ERROR
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Home / knowledge base / 金笛论坛 / 短信板块 / 短信猫AT+CMGL=4 AT+CMGL="ALL" 指令接收短信 报ERROR
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shine shen
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Monday December 14 2020 10:27:54 am
本文章主要给新手不常看AT指令详细说明书进行快速参考,或者有些老手一时大意忘记了,AT+CMGL读取指令的前提设置导致无法读取短信的问题。我偶尔给客户检测设备售后也会因为忘记了前置设置而无法读取短信,明明看到收到短信但无法读取的问题 AT+CMGL指令是需要跟着前置的AT+CMGF指令进行读取对应的短信的. |