Search found 27 matches

by songha
11 May 2023, 21:19
Forum: Software
Topic: piTest -S bugs
Replies: 2
Views: 1408

Re: piTest -S bugs

Hi Nicolai,

have you and your team already fixed this bug?

Song
by songha
11 May 2023, 12:29
Forum: Hardware
Topic: RS-485 waveform
Replies: 3
Views: 1722

Re: RS-485 waveform

Hi Dirk, thank you for the quick reply. Yes, I can see now. If I choose the appropriate threshold and hysteresis for decoding, I still get the correct data on the bus. But it is not clear why this not perfect signal occurs. Do the Core 3 and DIO/AIO use different chip for sending and receiving RS-48...
by songha
10 May 2023, 17:24
Forum: Hardware
Topic: RS-485 waveform
Replies: 3
Views: 1722

RS-485 waveform

Hi all, i am doing some tests and measuring the signal RS-485 on the pibridge. My devices are a revpi core 3 connected to an AIO and a DIO on the right side. I use the Picoscope series 5 to measure the signal RS-485 + (blue waveform), RS-485 - (red waveform) and difference of them (purple waveform)....
by songha
07 Feb 2023, 23:59
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

Re: piControl folder

Hi Nicolai,

so i think the best way is to upgrade the version for linux kernel. Many thanks for your help.

Song
by songha
07 Feb 2023, 21:52
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

Re: piControl folder

Thank you Nicolai, i'm using now the brach for 4.19 and everything works fine now. But i can't use the command "rmmod piControl". It said that piControl is in use. Even i use "--force" option. I also tried the "modprobe" command but it doesn't work too. If i disable &qu...
by songha
07 Feb 2023, 19:15
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

Re: piControl folder

Thank you Nicolas,

now run my makefile. But i have other problem. :cry:

Image



I installed kernel image : 4.19.95-rt38-v7 using sudo apt-get install -y raspberrypi-kernel
by songha
07 Feb 2023, 16:58
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

Re: piControl folder

Hi, now i clone the piControl for my revpi connect and run the makefile on it. I have already assigned a directory for " KDIR := /lib/modules/§(shell uname -r)/extra " in the makefile. The old error is gone. But i received an other error like following: https://i.postimg.cc/rwYMZLT8/Screen...
by songha
07 Feb 2023, 15:43
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

Re: piControl folder

Thank you for your quickly answer, now i have another problem. When i tried to run makefile using "make" or "sudo make" command. I have the following problem. I'm sure that the directory exits there. p/s: i haven't changed anything from piControl Repo! Thank you for your help! So...
by songha
07 Feb 2023, 14:19
Forum: Software
Topic: piControl folder
Replies: 9
Views: 2219

piControl folder

Hi everyone,

I want to modify the kernel module "piControl" in my revpi connect. But I can't find where this folder locates in the directory! Can someone help me please?
piControl folder is found on : https://github.com/RevolutionPi/piControl

Thank you very much!
Song
by songha
13 Dec 2022, 10:59
Forum: Software
Topic: customized gateway device implementation
Replies: 7
Views: 1657

Re: customized gateway device implementation

Hello biakoup, actually I have modified the gateway module so that it can receive and send 1024 bytes IN/OUT. The remaining problem is the controller. Why does the controller (RevPi connect, Revpi core) limit the number of payloads that can be received or sent to 512 bytes? Is it really not possible...