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有没有这方面的demo?或者是否可行?要求自动循环接收,接收数据大小不一,且DMA能知道当前接收数量
可以把考虑把dma的rx字节数设置的大一些,通过查询dma已接收字节数,判断是否接收完整,即dma的超时检测。
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