Sorry, one minor correction. The dtb file should be in one of the following places:
/boot /boot/uboot/dtbs If you're using the latest Debian image then it's the second. I believe Angstrom uses the first. It looks like the Yona-Appletree LEDscape readme has been just been updated to reflect this. -Ian On Friday, April 25, 2014 11:12:10 AM UTC-4, Ian Woloschin wrote: > > I've been using a LEDscape fork that I think will better allow me to use > Python to write the bulk of my program, and then LEDscape to do the > Neopixel control. > > https://github.com/Yona-Appletree/LEDscape > > Everything works, except that you should check the uEnv.txt file in /boot > or possible /boot/uboot to make sure you've put the *.dtb file in the > correct place to be read. Different distros do different things, so it's > hard to say exactly what you're looking for here. > > Unfortunately, USPS is late, so I won't have my Neopixel Stick before I > leave this evening, so I won't be putting any time into this over the > weekend, but I do expect to pick this back up early next week. > > -Ian > > On Friday, April 25, 2014 8:07:55 AM UTC-4, Yoder, Mark A wrote: >> >> Ian: >> What instructions were you following? >> >> --Mark >> >> Sent from my iPad >> >> On Apr 25, 2014, at 7:21 AM, "Ian Woloschin" <[email protected]> wrote: >> >> I'm an idiot. I blindly followed instructions that were likely for >> Angstrom, and put the dtb file in the wrong place, /boot instead of >> /boot/uboot/dtbs. Now that the dtb file is being read I've got everything >> showing up properly, which is great because I've got my first NeoPixel >> stick arriving in the mail today. Unfortunately I'll be out of town this >> weekend, but I've got a 4 hour train ride back Monday morning so I may try >> to get some stuff working on the train. >> >> On Friday, April 25, 2014 7:05:58 AM UTC-4, Ian Woloschin wrote: >>> >>> I'm looking into the same thing and running into the same problems of no >>> simple tutorials. At this point I'm having issues getting the PRU to even >>> be enabled, and I'm not really sure why. >>> >>> On Tuesday, April 22, 2014 12:59:09 PM UTC-4, Mark A. Yoder wrote: >>>> >>>> David: >>>> Thanks for the pointer, however I had already Google'd around and >>>> picked the LEDscape as the most promising. Since I haven't uncovered any >>>> 'getting started' guides for it I guess I'll just dive in a figure it out >>>> for myself. >>>> >>>> --Mark >>>> >>>> On Monday, April 21, 2014 1:48:15 PM UTC-4, dwfunk4475 wrote: >>>>> >>>>> http://lmgtfy.com/?q=beaglebone+black+ws2812 >>>>> >>>>> >>>>> Plenty of tutorials . . . adapt to whatever pin(s) you wish to use >>>>> on our BBB >>>>> >>>>> >>>>> >>>>> >>>>> -david >>>>> >>>>> >>>>> On Mon, Apr 21, 2014 at 11:00 AM, Mark A. Yoder >>>>> <[email protected]>wrote: >>>>> >>>>>> Hi Beagle'ers: >>>>>> I have a string adafruit NEOpixel LEDs[1] that I want to drive with >>>>>> the BBB. LEDscape[2] looks like a good way to drive the LEDs via the >>>>>> PRUs. >>>>>> >>>>>> I'm not sure how to get started. Has anyone used this software to >>>>>> drive the LEDs? What should I wire where? >>>>>> >>>>>> --Mark >>>>>> >>>>>> [1] http://www.adafruit.com/products/1376 >>>>>> [2] https://github.com/osresearch/LEDscape >>>>>> >>>>> >>>>> >>>>> >>>>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/WvwfBq26kEk/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
