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ec200x 4G模块直吐模式导致数据丢失严重 #181

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@largesun

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@largesun

在调试移远EC600N模块时发现,at socket接收大量数据时,出现内存分配失败的现象,后面跟踪发现底层使用的直吐模式,有数据过来时mcu直接calloc缓存,当数据量大点时,比如下载几十KB或者更大的文件时,大量数据直接挤爆mcu的内存,导致出现因内存直接丢弃数据,建议使用模块的缓存模式和QIRD命令实现底层的at_socket,提高可靠性

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