On Wed, Sep 7, 2016 at 2:28 PM, Charles Steinkuehler < char...@steinkuehler.net> wrote:
> > IMHO it works best if you setup the GPIO banks with Linux, then use > the PRU to twiddle the output bits using the set and clear registers > in the GPIO bank. That way you don't have to worry about any sort of > locking to insure consistent updates. Note the Linux side also needs > to use the set/clear registers for output updates (and not a > read-modify-write sequence) to insure no updates get lost. > > -- > Charles Steinkuehler > char...@steinkuehler.net > > I agree with Charles with one exception. I personally prefer to use DATAOUT directly instead of using SETDATAOUT / CLEARDATAOUT. I'd actually recommend that people also let the OS setup stuff like the ADC as well. Then just read form the FIFO buffer. -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORra_zbyps%3D0hiGxCLTkPiQR-R6kGimgwkuwCV37Q_uKnw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
