Re: [Bacnet-developers] MSTP on Raspberry Pi

[Anthony L. <ant...@gm...>]

Steve,

I figured it out and it’s working now. Thank you very much for the initial
push in the right direction.

- Anthony

On Sun, Mar 15, 2020 at 7:40 PM Anthony Lanza <ant...@gm...>
wrote:

> Thanks for the response Steve.
>
> I’m not very familiar with C, but, the process I followed was downloading
> Bacnet protocol stack, unzipping, and in the folder running:
>
> make clean all
>
> Judging by your response, I take it I missed a step.
>
> Can you please provide some direction or point me in the right direction
> for compiling the apps to use BACDL_MSTP?
>
> Thanks in advance for your help.
>
> - Anthony
>
> On Sun, Mar 15, 2020 at 7:00 PM Steve Karg <st...@ka...> wrote:
>
>> Hello Anthony,
>>
>> You didn't mention the method you used to compile, and the demo apps
>> compile using a single datalink: BACnet/IP.
>>
>> You can either recompile the apps to use BACDL_MSTP or run the
>> demo/router with an MS/TP datalink and a BACnet/IP datalink and use the
>> BACnet/IP demo apps.
>>
>> Best Regards,
>>
>> Steve
>>
>> On Sun, Mar 15, 2020, 6:49 PM Anthony Lanza <ant...@gm...>
>> wrote:
>>
>>> Hello Steve, developers, and fellow users of Bacnet Protocol Stack!
>>>
>>> I searched through pages of the mailing list forum before posting this,
>>> so forgive me if it's already been answered at some point over the last 10
>>> years...
>>>
>>> I am trying to connect to a Siemens bacnet controller with the following
>>> information:
>>> Device Id: 1201
>>> Network: 1
>>> Mac Address: 2
>>> Max Master: 3
>>> Baud Rate: 38400
>>>
>>> Although I know there may be issues with timing on Linux, Here's what I
>>> have...
>>>
>>> On my raspberry pi, I have set the following environment variables:
>>> export BACNET_MSTP_BAUD=38400
>>> export BACNET_IFACE=/dev/ttyUSB0
>>> export BACNET_MSTP_MAC=1
>>>
>>> I am also utilizing ionice -c 1 -n 0
>>>
>>> so, typical command line execution looks like:
>>>
>>> sudo BACNET_MSTP_BAUD=38400 BACNET_IFACE=/dev/ttyUSB0 BACNET_MSTP_MAC=1
>>> ionice -c 1 -n 0 ./bin/bacwi -1
>>> or
>>> sudo BACNET_MSTP_BAUD=38400 BACNET_IFACE=/dev/ttyUSB0 BACNET_MSTP_MAC=1
>>> ionice -c 1 -n 0 ./bin/bacwi 1201
>>>
>>> however the above commands return a blank device listing as if nothing
>>> was found.
>>>
>>> On the other hand, if I do the command:
>>> sudo ./bin/mstpcap 1201
>>>
>>> I get the message:
>>> RS485: Initializing /dev/ttyUSB0 at Baud Rate 34800=success!
>>> mstpcap: Using /dev/ttyUSB0 for capture at 38400 bps
>>> 3000 packets, 0 invalid frames
>>>
>>> When I Ctrl-C to stop the capture, Under the MSTP Frame Counts and MS/TP
>>> Usage and Timing Maximums I see MAC address 2, Max Master 3, Tusage 54.
>>>
>>> So my question is, why can't I see the device show up when executing
>>> bacwi, but can see it when I do mstpcap. Additionally, what can I do to be
>>> able to see the device?
>>>
>>> - Anthony Lanza
>>> Background experience - 9 years working with Bacnet to include --
>>> devices, tools like YABE and BQT, and python libraries like bacpypes and
>>> BAC0
>>>
>>>
>>>
>>> _______________________________________________
>>> BACnet-developers mailing list
>>> BAC...@li...
>>> https://lists.sourceforge.net/lists/listinfo/bacnet-developers
>>>
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