Thank you for your contribution, it is very appreciated.
On Tue, Apr 8, 2014 at 6:26 PM, <t...@mmto.org> wrote: > Greetings. I just joined the group, which I figured was overdue since I > have been doing a lot of work on the BBB over the past 6 months or so. > > I had the idea of using some kind of controller to implement a camera > focus controller to do focus stacking. This has all worked out > and is operational now, but not without quite a bit of learning. Some > high points: > > 1) I abandoned Cloud-9 immediately as hopelessly buggy (I hope nobodies > feelings are hurt) and was far happier just editing javascript > files with vim and running node on the command line. Ultimately my > project has a beagle hosted web based GUI and I have no regrets > about this way of doing things. Although I do all my development under > linux, my photography machine runs windows and I can just run the > GUI in a browser (Chrome works fine) to do the camera focus control. > > 2) I used the PRU to generate steps for a stepper motor. Doing this from > node was hopeless (actually it was quite entertaining to listen > to the motor run with changes of tone and stops and starts as the linux > scheduler preempted my code). With step generation in the > PRU, it is consistent and bulletproof. I very much like the PRU - but > there is a learning curve. I reworked the "standard PRU" library > to fix bugs and add some features I though were desirable. > > All my notes are at this link: > > http://cholla.mmto.org/computers/beagle/ > > In particular, my reworked PRU package is here: > > http://cholla.mmto.org/computers/beagle/pru/devel/ > > -- > 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.
