I still have the problem with pru1. - Generated firmwares are : gen/puls_gen.out gen/decay95.out root@beaglebone-ln:/media/SD32/home/ln/Programme/Puls_neu/source#* config-pin overlay cape-universala* root@beaglebone-ln:/media/SD32/home/ln/Programme/Puls_neu/source# *config-pin p8.45 pruout* root@beaglebone-ln:/media/SD32/home/ln/Programme/Puls_neu/source# *config-pin -q p8.45* *P8_45 Mode: pruout* root@beaglebone-ln:/media/SD32/home/ln/Programme/Puls_neu/source# make run - copying firmware file gen/puls_gen.out to /lib/firmware/am335x-pru1-fw */bin/sh: 1: cannot create /sys/bus/platform/drivers/pru-**rproc/unbind: Permission denied* */bin/sh: 1: cannot create /sys/bus/platform/drivers/pru-**rproc/bind: Permission denied*
It's really confusing and time consuming without any result. Think the hardware is very useful and interesting, but it's not an easy task to make it work. Am Dienstag, 5. September 2017 18:55:37 UTC+2 schrieb Kasimir: > > I want to use the HDMI outputs to drive external circuit. Required toggle > rate is between 1MHz and 10MHz. > Have BB black. > uname -a > Linux beaglebone 4.4.84-ti-r120 #1 SMP Sun Aug 27 03:11:07 UTC 2017 > armv7l GNU/Linux > cat /etc/debian_version > 9.1 > So I have to use the PRU unit. > I was searching example to have a starting point. > But it sucks already with the first step. > > ll /sys/devices/bone_capemgr* > ls: cannot access '/sys/devices/bone_capemgr*': No such file or directory > > I load the image from here: > http://debian.beagleboard.org/images/bone-debian-9.1-iot-armhf-2017-08-31-4gb.img.xz > > What is my mistake? > Device tree compiler is up to date > device-tree-compiler is already the newest version (1.4.4-0rcnee3~stretch+ > 20170719). > 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. > > Found a lot of hints to use the 3.8 kernel. Think that one is already some > years old, can't be true. > > Question: How to create the required device tree overlay, because /sys/ > devices/bone_capemgr* is not existing? > > Thanks for help > > > > > -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/d5581556-33b9-4762-b336-393958db93c7%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
