[chbot] DigitalDiscovery

[Charles Manning]

Please explain what you mean by "synchronous capture and generation".



On Thu, Jan 18, 2018 at 7:23 PM, Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Charles,
>
> does this unit do synchronous capture and generation ?
>
> -M
>
> On 18/01/2018 5:50 PM, Charles Manning wrote:
>
>> Even if it works under Wine, it will likely have issues due to not being
>> able to transfer at full USB speeds.
>>
>> The Saleae kit is good. Anyone who rips them off is scummy IMHO.
>>
>> I have an old Salaea (8 chan/24Msps) and have recently bought a
>> DigitalDiscovery from Digilent because I needed some more channels and more
>> speed (I needed up to 100MHz, but this goes up to 800MHz).
>> It can also generate waveforms.
>>
>> https://store.digilentinc.com/digital-discovery-portable-log
>> ic-analyzer-and-digital-pattern-generator/
>>
>> It also works under Linux. Not nearly as pretty as Saleae, but did the
>> job.
>>
>> It stores samples in the onboard 2Gbit DDR which limits the sample depth
>> to a 64Msamples or so.
>>
>> What is really neat about the DigitalDiscovery is that it comes with a
>> C/C++ + Python API that allows you to program up "test scripts" etc.
>>
>> For example, I needed to capture data into files then run some FFTs etc.
>> All very easy, scripted and allowed me to re-run tests etc without messing
>> about clicking the UI hundreds of times.
>>
>
>
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