this is all basic C coding
http://inspire.logicsupply.com/2014/09/beaglebone-rs-485-communication.html
gives you all the coding examples you need
On 7/4/2015 3:29 PM, Adrian Wong wrote:
Hello,
I came across this tutorial on configuration for RS-485 serial
communication, but I am new to this and I need some clarifications on
the procedure.
My beaglebone black is currently running on the latest Debian image
Linux beaglebone 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015
armv7l GNU/Linux
On the website
http://inspire.logicsupply.com/2014/09/beaglebone-rs-485-communication.html
Let's dive into the Kernel a bit to to see how RS-485 works in
Linux; the standard steps to put a UART into RS-485 mode are:
1. Open the special tty file
2. Create a serial_rs485 struct and set the desired configuration
values
3. Pass the configured struct to Kernel driver by using ioctl
http://man7.org/linux/man-pages/man2/ioctl.2.html on the
open serial port file descriptor
I don't understand do these steps, where do I find the special tty
file and as well as creating the serial_rs485 struct. Can someone
guide me through this part?
Thank you.
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google
Groups BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send
an email to beagleboard+unsubscr...@googlegroups.com
mailto:beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
