我所用的开发板的cpu是AM335X,现在外围有一个RS422模块 我怎么来设计与其通信,最好附上电路图,谢谢!!!!驱动该怎么去写!
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关于驱动,您先确定是在哪个os,再根据uart驱动进行修改。这里没有现成的东西。