[time-nuts] prologix device as sniffer

Patrick optomatic at rogers.com
Sun Jan 27 15:00:50 EST 2008


Well it really sucks that I can't do this but considering that I 
purchased it months ago, the fact that you would even consider a return 
speaks volumes about your character.

I will not return it, the customer service is great. I just need to get 
my INES GPIB card configured to work in Linux. Hopefully this will 
function as a sniffer and I can use the Prologix device as a controller 
later.

All the best-Patrick

Prologix wrote:
> Patrick,
>
> Sorry the product didn't work out for you. With the current firmware, there
> is really no good way to do what you want to do. GPIB bus sniffing is an
> oft-requested feature that we will certainly consider adding in the future.
> Email me off-line if you wish to return the unit.
>
> Regards,
> Abdul
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Patrick
> Sent: Sunday, January 27, 2008 11:41 AM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] prologix device as sniffer
>
> Thanks Abdul
>
> This comes as a pretty big blow, as this is what I was hoping to do with 
> it from the start.
>
> Is there a way to set it up to read one address continuously?
>
> thanks in advance-Patrick
>
> Prologix wrote:
>   
>> Patrick,
>>
>> Prologix GPIB-USB controller does not work as a GPIB bus sniffer. In
>>     
> DEVICE
>   
>> mode the controller reads the bus only if it has previously been addressed
>> as a listener.
>>
>> Regards,
>> Abdul
>>
>>
>> -----Original Message-----
>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
>> Behalf Of Patrick
>> Sent: Sunday, January 27, 2008 10:25 AM
>> To: Discussion of precise time and frequency measurement
>> Subject: [time-nuts] prologix device as sniffer
>>
>> Hi Everyone
>>
>> Thanks to all for helping me with my last post. I am now reading with my 
>> Prologix device.
>>
>> I am just not sure that I am reading everything. I am trying to monitor 
>> the communication between a closed source App and some GPIB devices.
>>
>> After I set up imported and set up serial with PySerial I tried this:
>>
>> ser.write("++mode0\r\n")
>>
>> x=1
>>
>> def read3():
>>     while(x==1):
>>         print ser.read(1000)
>>
>> I also tried print ser.readline()
>>
>> I read the "ID" command sent out by the software but I could not read 
>> the response. Am I reading all the addresses with this set up or just 
>> one? Does anyone have some thoughts on why I don't read the response?
>>
>> Thanks yet again in advance-patrick
>>
>>
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