Search found 3 matches

by arunodaya.s
2020/07/01 06:51:32
Forum: CentOS 8 - Hardware Support
Topic: Unable to Communicate with ttyACM devices in CentOS8
Replies: 3
Views: 148

Re: Unable to Communicate with ttyACM devices in CentOS8

The root cause of the issue is with auto initialization of Modem(ttyACM) and the way it is handled. We added a sniffer in between the CentOS and the ttyACm device & found that, before we send any data, the CentOS itself sends "AT" command for modem initialization. This was rendering the device to go...
by arunodaya.s
2020/06/26 09:05:08
Forum: CentOS 8 - Hardware Support
Topic: Unable to Communicate with ttyACM devices in CentOS8
Replies: 3
Views: 148

Re: Unable to Communicate with ttyACM devices in CentOS8

Yes. The device permission have not been tweaked. The device gets registered as ttyACM0 when connected to the system with the default permissions. The normal user is already in dialout, group so should not be a problem. For the sake of testing tried as root as well, but no change. Had a doubt on sel...
by arunodaya.s
2020/06/26 06:49:57
Forum: CentOS 8 - Hardware Support
Topic: Unable to Communicate with ttyACM devices in CentOS8
Replies: 3
Views: 148

Unable to Communicate with ttyACM devices in CentOS8

We are trying to communicate to a ttyACM(x) device using gtkterm & are not able to communicate to it while using CentOS8. Version of gtkterm : arunodaya.s@localhost ~]$ gtkterm --help GTKTerm version 1.0 (c) Julien Schmitt Centos 8 Kernel version : [arunodaya.s@localhost ~]$ uname -a Linux localhost...

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