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CC2538 rs485 communication issue

wulin weng
Intellectual 870 points

Dear Support:

when we used the demo board SmartRF06 EB + CC2538EM to communicate with otaServer v2.0.7, as we know it is RS232 signal and the zstack demo v1.2.2a is ok.

but now we used the code in our own board used RS485 and I changed RX and TX pin assignment in my code, but I don't know how to control the RS485_CTRL pin, it is not ok in my own board with otaServer.

Can you show me how to check the issue?

Thanks