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Re: [Discuss-gnuradio] 16 digital I/O lines to control external devices
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] 16 digital I/O lines to control external devices like antenna switches |
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Date: |
Fri, 21 May 2010 01:45:24 -0400 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 |
On 05/21/2010 01:37 AM, Matt Ettus wrote:
>
>
> Each daughterboard connector has 16 GPIOs. Some of them are used by
> the daughterboards, but others are available for your use. On the
> WBX, io_tx[14:8] are available for you to use, and they come to the
> connector on the grand-daughterboard.
>
> If you need to synchronize the action of these pins precisely, the
> bets way to do this is by modifying the FPGA. If you just need to
> turn them on and off from software, you can do that with the API.
>
> Matt
>
>
The schematic for WBX makes it look like a couple of the io_rx are
available as well--are they not?
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org