How to design fully functional uart?

[陳冠儒]

hi,all:

I want to design fully functional Uart(COM),So i want to design fully functional uart contains RS-232, RS-422, RS-485 function, it is necessary to TX, RX, CTS, RTS, DSR, DTR, DCD, RI signal,How do I write in this area code?

(中譯: 我想要設計全功能性的uart(COM) 包含 RS-232、RS-422、RS-485的功能，所以需要TX、RX、CTS、RTS、DSR、DTR、DCD、RI的信號控制，我該如何撰寫這方面的code?)

Please help me ,everyone.

[igorpadykov]

HI 陳 冠儒

one can start with solution given on link below, adding support for

other signals, as it was done for RTS/CTS

How to enable BT on board imx6q_sabresd RevC.

patch for rs485 :

https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/tty/serial/imx.c?id=...

Best regards

igor

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[陳冠儒]

hi,igorpadykov:

Thank u answer.

I read the website,If there is a problem,I go to ask you.

thanks for your help.

(中譯:感謝您的回答，我去閱讀您提供的網站後，若是還有問題，我再請教於您。

         感謝您的幫忙。

)