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

2017-11-13 Thread Rnd Mpt
You have to use the hardware cts. Waveshare does not do this and youll have to solder in this wire/cts On Fri, 10 Nov 2017, 21:33 , wrote: > Did you ever get this to work > > I am using the Nelson yakbuild kernel 4.9.45 and disabled the 8250 and > enabled omap serial in kernel configuration > >

[beagleboard] UART4 RS485 (RTS) not working

2017-11-10 Thread dmezzatesta
Did you ever get this to work I am using the Nelson yakbuild kernel 4.9.45 and disabled the 8250 and enabled omap serial in kernel configuration using same rs485 dtso overkay I can not get RTS to work and nothing transmits. I can not find anything on web to solve this. Do you have a solution p

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

2017-06-21 Thread eberli
matthew, can you please post your solution then? Am Donnerstag, 6. April 2017 11:06:30 UTC+2 schrieb Matthew Bezuidenhout: > > Phillip I did. Give me a moment and I'll post. > > On 6 Apr 2017 11:00 a.m., "Philippe Frossard" > wrote: > >> Hi, >> The same problem ... >> >> My kernel is 3.8.13-bone6

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

2017-04-24 Thread cadmagician
Can you write the solution? I have sam problem. Thanks 2017. április 6., csütörtök 11:06:30 UTC+2 időpontban Matthew Bezuidenhout a következőt írta: > > Phillip I did. Give me a moment and I'll post. > > On 6 Apr 2017 11:00 a.m., "Philippe Frossard" > wrote: > >> Hi, >> The same problem ... >> >

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

2017-04-06 Thread Matthew Bezuidenhout
Phillip I did. Give me a moment and I'll post. On 6 Apr 2017 11:00 a.m., "Philippe Frossard" wrote: > Hi, > The same problem ... > > My kernel is 3.8.13-bone69, > My UART2 works without flow control (Checked with a loopback between TX > and RX), > But, if I enable RTS/CTS about UART2 (P8_38/P8_3

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

2017-04-06 Thread Philippe Frossard
Hi, The same problem ... My kernel is 3.8.13-bone69, My UART2 works without flow control (Checked with a loopback between TX 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 co

[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 R