Decide what features you do not need, like LCD, Ethernet, etc, and redesign the board by removing those features, freeing up the pins to use them as PRU pins.
Gerald On Fri, May 6, 2016 at 2:53 PM, Robert Jonathan Šimon <bertiks...@gmail.com> wrote: > I have another Question on PRUs. It has 9 pins for first PRU and 15 pins > for the second PRU (according to this schematic > <http://beagleboard.org/support/bone101/#headers-pru>). Is there any > option to expand number of pins, which I cand use by the PRUs? > > Dne pátek 6. května 2016 18:25:14 UTC+2 Robert Jonathan Šimon napsal(a): > >> Ok. Great. Thanks for your time. >> >> Dne pátek 6. května 2016 18:21:47 UTC+2 William Hermans napsal(a): >>> >>> Better yet, I'll tell you what's better to do. Contact the manufacturer >>> of that screen, and ask what you're options are. >>> >>> If you're lucky, it could be possible to rewrite the device tree overlay >>> file for that screen to work using alternate pins. >>> >>> If you're unlucky, you'll have to buy a different kind of screen. >>> >>> On Fri, May 6, 2016 at 9:18 AM, Robert Jonathan Šimon < >>> berti...@gmail.com> wrote: >>> >>>> Sorry, i send the wrong link. On this link >>>> <https://www.soselectronic.cz/productdata/15/37/24/153724/4DCAPE-70T_datasheet_R_1_2.pdf>, >>>> there is a picture, where you can see precisely which pin it is using >>>> >>>> Dne pátek 6. května 2016 18:12:17 UTC+2 William Hermans napsal(a): >>>>> >>>>> Ok, so, I do not have time to read through all the literature for that >>>>> screen. Which pins does it use, what is the specific function of each pin, >>>>> and what "protocol" does the screen use ? >>>>> >>>>> Is it one of those modified 9pin SPI + GPIO screens ? >>>>> >>>>> On Fri, May 6, 2016 at 9:02 AM, Robert Jonathan Šimon < >>>>> berti...@gmail.com> wrote: >>>>> >>>>>> I have this LCD screen >>>>>> <https://www.soselectronic.cz/products/4dcape-70t#tabs-6> and it >>>>>> user most of the second PRU pins and one of the first PRU unit. I am not >>>>>> sure, if this is problem or not. >>>>>> >>>>>> Dne pátek 6. května 2016 17:59:11 UTC+2 William Hermans napsal(a): >>>>>>> >>>>>>> *Hi,* >>>>>>>> *I am starting to play with PRU on BBB, and I noticed, that when I >>>>>>>> want to use PRU on BBB and on the same time use LCD display through >>>>>>>> GPIO, i >>>>>>>> cant (they use the same pins). Is there any workarounds?* >>>>>>>> >>>>>>> *Thanks a lot* >>>>>>> >>>>>>> I suppose that depends on how far you're willing to go, and changes >>>>>>> you're willing to make. You can buy a different LCD screen, and perhaps >>>>>>> even type of screen that uses different peripherals. >>>>>>> >>>>>>> But you can start by telling us which LCD screen you're using, and >>>>>>> being more verbose as to how this LCD is connected. exactly which pins >>>>>>> are >>>>>>> required, etc. >>>>>>> >>>>>>> >>>>>>> On Fri, May 6, 2016 at 8:41 AM, Robert Jonathan Šimon < >>>>>>> berti...@gmail.com> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> I am starting to play with PRU on BBB, and I noticed, that when I >>>>>>>> want to use PRU on BBB and on the same time use LCD display through >>>>>>>> GPIO, i >>>>>>>> cant (they use the same pins). Is there any workarounds? >>>>>>>> Thanks a lot >>>>>>>> >>>>>>>> -- >>>>>>>> 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...@googlegroups.com. >>>>>>>> To view this discussion on the web visit >>>>>>>> https://groups.google.com/d/msgid/beagleboard/05e300cd-e354-41fc-9247-c145f95c1bbe%40googlegroups.com >>>>>>>> <https://groups.google.com/d/msgid/beagleboard/05e300cd-e354-41fc-9247-c145f95c1bbe%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>> . >>>>>>>> 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...@googlegroups.com. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/beagleboard/00bd2619-13de-4e34-bfb1-bd41f2af0d20%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/beagleboard/00bd2619-13de-4e34-bfb1-bd41f2af0d20%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>>> 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...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/beagleboard/fd49e6fe-7b82-4f36-b16e-59a81df93f82%40googlegroups.com >>>> <https://groups.google.com/d/msgid/beagleboard/fd49e6fe-7b82-4f36-b16e-59a81df93f82%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/a104b829-d942-4d82-a7c4-ef8f83dbd6a0%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/a104b829-d942-4d82-a7c4-ef8f83dbd6a0%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- Gerald ger...@beagleboard.org http://beagleboard.org/ gcol...@emprodesign.com -- 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/CAHK_S%2Bf5PGggnsP%2BjmU_XntHLYOq5hzrCFzwjat1Sud6qbrVdA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
