Disable the HDMI interface. http://www.elinux.org/Beagleboard:BeagleBone_Black_FAQ
Gerald On Mon, Jan 13, 2014 at 1:18 PM, Dennis McLeod <[email protected]> wrote: > So what happens if a cape wants to use the GPIOs that are also HDMI > signals? > In my case, I am toying with a cape that uses 53 GPIOs.. I had hoped that > it's eeprom could indicate that I'm using P8_26 through P8_46 (among > others) and I don't intend to have any HDMI going on. > Is that not possible? > > I mean, if it's the virtual cape manager that makes capes just "work" by > reading their eeprom, and you're saying that the Virt Cape mgr needs to be > disabled (to also disable HDMI).. then does that mean it's pointless to > have an eeprom on my cape? > > > > > > > On Sunday, December 22, 2013 8:50:31 AM UTC-5, Gerald wrote: > >> There are a pages in the SRM that lists those pins. >> >> Table 14 page 94 is the eMMC pins. >> Table 15 page 95 is the LCD pins. >> >> Gerald >> >> >> >> >> >> On Sun, Dec 22, 2013 at 5:29 AM, tiziano de togni >> <[email protected]>wrote: >> >>> Il 22/12/2013 08:30, Satz Klauer ha scritto: >>> >>> Hi, >>>> >>>> I already know the pinout-listing of the BeagleBone Black but this >>>> does not seem to solve my problem. Depending on the choosen >>>> pin-mux-mode the eMMC signals can appear on different pins on P8/P9. >>>> So I need to know the real wiring, means which pins on P8/P9 are >>>> electrically connected to CPU and eMMC. Unfortunately I do not >>>> understand the wiring diagram good enough to find the answer there. So >>>> I hoped there is a pinout-listing available somewere that contains the >>>> information which of the pins are also wired to eMMC... >>>> >>>> >>> I'm looking for the same answer, and actually I'm studying this page on >>> the subject: >>> >>> http://derekmolloy.ie/gpios-on-the-beaglebone-black-using-de >>> vice-tree-overlays/ >>> >>> I understand (and maybe can be wrong) that it's possible to disable the >>> virtual cape manager referring to HDMI (video), and gain access to >>> P8-27..P8-46 pins, but since we are using the eMMC, we can't disable it's >>> viertual cape manager, so the pins P8-3 .. p8-6; p8-20 .. p8-25 are >>> reserved. >>> >>> This it's true when you use the Angstrom linux delivered with the >>> boards, don't know what happens if you install something else in your >>> system. >>> >>> regards >>> -- >>> tiziano de togni >>> ______________________________________ >>> http://tizziano.altervista.org/ >>> >>> >>> -- >>> 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/groups/opt_out. >>> >> >> -- > 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/groups/opt_out. > -- 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/groups/opt_out.
