I have successfully interfaced the max14830 chip with imx6ul over spi. I am able to transreceiver the data on one of the RS485 ( UART/ ttyMAX2 ) port. With Loopback everything works fine.
Now when I am trying to send the data ( like 200 bytes or more ) from other device to /dev/ttyMAX2 port ( UART expander port). Getting the RX overrun error and loss the few data.
I have tried with different baud rate like 9600 or 115200 bps.Still same issue.
What could be the causes for the RX overrun ? How to be resolve ?