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    R528的uart1如何开启R485自动流控

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      hy123456 LV 5 last edited by

      请教一下，R528的uart1如何开启R485自动流控？e86778c2-2d96-4683-95cc-92c2996891a6-1682304237892.png f6b3b091-38c4-4850-92e4-777e221c3fad-1682304263102.png
      将设备树设置为，并不起作用329380dc-ac0e-4678-9a93-7eb5e793a689-1682304509125.png

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        liuqiang LV 4 last edited by

        顶一下，帖子不要沉了，

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          Jingyan LV 5 @liuqiang last edited by

          @liuqiang UART转RS485 IC的流控通过IO脚进行方向控制，控制器本身并没有这种功能，需要在代码里添加相关GPIO操作

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