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Message

Re: Finished my CVS!

2008-06-05 by supisuzoi

That's great to know, thank you!

Kevin


--- In ComputerVoltageSources@yahoogroups.com, "djbrow54" <davebr@...>
wrote:
>
> It depends on what latency you want.  The CVS can poll looking for a 
> state change on the input.  You can do this on any analog input by 
> doing an ADC, but since the input is binary, you could treat this as 
> a digital input as long as the input signal has the appropriate 
> amplitude to read as a logical 1 when divided by two which is the 
> input stage gain.  You have to figure out if the latency is 
> tolerable.  Certainly the Aux input can be polled quickly.
> 
> Alternatively, I wrote some code that is in my template that can 
> generate interrupts on edges for the Aux input, so you can have very 
> little latency.  I wrote this so I could detect triggers.  My 
> triggers are fast, and if occur when the processor is busy elsewhere 
> in the code, are missed.  Edge interrupts always guarantee they are 
> sensed.
> 
> Dave
> 
> --- In ComputerVoltageSources@yahoogroups.com, 
> "supisuzoi" <son_of_zoggs@> wrote:
> > My plan is to trigger on any rising edge, and otherwise operate
> > independently of what the trigger source is doing, because I want 
> the
> > CVS itself to define the output's delay time and gate length.
> > 
> > Cheers,
> > Kevin
>

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