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Re: [Discuss-gnuradio] USRP2 - external clock pps python example
From: |
Josh Blum |
Subject: |
Re: [Discuss-gnuradio] USRP2 - external clock pps python example |
Date: |
Wed, 13 Apr 2011 11:37:39 -0700 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8 |
On 04/13/2011 11:31 AM, Burak TUYSUZ wrote:
> It does not say if it is the falling edge or the rising edge of the
> pps. Is it possible to specify that or is it defined?
>
>
The convenience function sets the positive edge which seems to be every
device out there.
For advanced configuration, see the c++ doxygen, so you can extrapolate
what the equivalent code in python should be.
http://www.ettus.com/uhd_docs/doxygen/html/structuhd_1_1clock__config__t.html
-Josh
> On Tue, Apr 12, 2011 at 9:57 PM, Josh Blum <address@hidden> wrote:
>>
>>
>> On 04/12/2011 06:06 PM, Burak TUYSUZ wrote:
>>> Hi Josh,
>>> Is it possible to trigger storing data with pps using GRC I could nor
>>> find a related email.
>>
>> Not from GRC
>>
>>> If so should that be included in FPGA or in software. A related work
>>> would be great
>>
>> The rx_timed_samples.cpp example in uhd shows how to request samples at
>> a specific time.
>>
>> -Josh
>>
>>>
>>>
>>> On Mon, Apr 11, 2011 at 9:43 PM, Josh Blum <address@hidden> wrote:
>>>>
>>>>
>>>> On 04/11/2011 02:35 PM, Burak TUYSUZ wrote:
>>>>> Is there any example python code showing the usage of external clock
>>>>> and pps inputs of USRP2
>>>>> Thank you in advance
>>>>> -Burak
>>>>>
>>>>
>>>> A good python example would be code generated by grc when you setup the
>>>> "ref clock" and "sync" parameters in the uhd usrp source/sink blocks.
>>>>
>>>> http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Gnuradio-UHD
>>>>
>>>> -Josh
>>>>
>>>> _______________________________________________
>>>> Discuss-gnuradio mailing list
>>>> address@hidden
>>>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>>
>>>
>>>
>>>
>>