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RS485 tx/rx gpio pin control

Question asked by Paweł Rogoż on Oct 16, 2013
Latest reply on Dec 19, 2013 by Paweł Rogoż



The RS485 communication work on my board with imx233 but to transmit or receive I have to control manually by GPIO (pin set 1 - TX, set 0 - RX). Where can I add to DUART driver some line to set the gpio before transmit and reverie?