Re: [beagleboard] UART4 RS485 (RTS) not working

2017-04-06 Thread Matthew Bezuidenhout
t; and RX), > But, if I enable RTS/CTS about UART2 (P8_38/P8_37) ... nothing works ! > I have also a loopback between RTS and CTS ... > Checked also with null modem cable and a computer ... > > You found a solution ? > > Le 28/03/2017 à 14:52, Matthew Bezuidenhout a écrit

[beagleboard] UART4 RS485 (RTS) not working

2017-03-28 Thread Matthew Bezuidenhout
Hi all, For days now, I've been attempting to get the Waveshare RS485/CAN Cape to work on Beaglebone black. I've used kernels 4.4.x and 4.9.x-ti mainline, and encountered the same problem. The cape can use any UART (have been trying with one), and requires the use of pin P9_42 (0x164) as an

Re: [beagleboard] RS485 support for BBB

2017-03-24 Thread Matthew Bezuidenhout
ngs Beaglebone. Any of your guidance would be greatly appreciated. Kindest regards, Matthew Bezuidenhout On Friday, February 12, 2016 at 5:42:24 PM UTC+2, RobertCNelson wrote: > > On Fri, Feb 12, 2016 at 9:33 AM, Taceant Omnes <tac...@gmail.com > > wrote: > > I

Re: [beagleboard] RS485 support for BBB

2017-03-24 Thread Matthew Bezuidenhout
Hi Micka, Sorry for the necro-bump. I need to enable RTS on uart for rs485, and as far as I've read the only wat to do so is to use OMAP drivers as opposed to 8250. How do I go about disabling 8250 and enabling OMAP? uname -r returns: 4.4.30-ti-r64 Thanks for your time. On Thursday, March