Well, one shot mode is good for close to 6k reads / second *if* one needs / wants to. Well, realistically, because of CPU usage. I'd probably limit oneshot mode to around 3-4k samples a second. Once a second is definitely no problem.
http://www.embeddedhobbyist.com/2015/10/beaglebone-black-adc/ The example code is C, but perhaps you can use it to write an interface for C#. On Tue, Mar 8, 2016 at 1:38 PM, 'PatM001' via BeagleBoard < beagleboard@googlegroups.com> wrote: > Wow, didn't mean to start a war! > > Libpruio looks great but as mentioned, no C# version. I'll have a look at > that utility mentioned above for converting to other languages. > > I don't know anything about mmap, I'll have to google that. > > As it is the app I'm working on only needs to read the ADCs once per > second and the low passes are working so well I just take the average of 10 > samples in a row (something like 16ms for three ADC 10x each). Even once > per second is overkill (the process change is quite slow - like 5-30 > minutes from one extreme to the other). > > Anyway, faster sampling was so that I could make a rudimentary > oscilloscope for playing around with low pass filter configurations. Just > using the default BB-ADC overlay I get some 800+ samples per second (which > I'm sure a lot are probably reading the same value multiple times) and it > does give me all the info I need for tuning up the input filters. > > > On Thursday, March 3, 2016 at 10:25:52 PM UTC-8, TJF wrote: > >> Hi John! >> >> Thanks for that link. Another issue first: >> >> We're poluting this thread by interesting, but off-topic stuff. I hope >> you don't mind that I switch our discussion to the new thread and answer >> there >> <https://groups.google.com/forum/#!category-topic/beagleboard/ZTKntXOXGyc> >> . >> >> BR >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
