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Re: [Discuss-gnuradio] 1 PPS input for old USRP board
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From: |
Juha Vierinen |
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Subject: |
Re: [Discuss-gnuradio] 1 PPS input for old USRP board |
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Date: |
Wed, 17 Sep 2008 01:38:38 +0300 |
On Tue, Sep 16, 2008 at 23:13, Kyle Pearson
<address@hidden> wrote:
> You can connect the 1PPS to the digital io pins on the basic or lf
> daughtercards. From there you can use the read_io() method in python
> to read the value on the pins. Just make sure that your 1PPS is
> between about 1.5 and 3.3V; under 1.5V it may not be detected, over
> 3.3V you could fry a pin.
You can also use gr.gpio to record two digital inputs as the least
significant bits of the I and Q stream.
juha