wiimx28 uart buffer size to small ?


I think that some bytes are lost by the uart driver on Rx.

If i poll continuously : no problem.
If i stop and come back some millisecondes later : some byte are lost.

Using DMA or not doesn’t seem to change.

Any idea is wellcom

Xavier DB, Saint-Emilion, France

You need to use software or hardware flow control. This will notify other side when it is ok to send and when it’s not