So you are saying that this version is too old? Linux beaglebone 4.14.108-ti-r137 #1stretch SMP PREEMPT *Tue Aug 25 01:48:39 UTC 2020* armv7l GNU/Linux
On Wednesday, February 17, 2021 at 2:30:58 PM UTC-5 Mark A. Yoder wrote: > On newer versions of the SD card image /var/lib/cloud9 is a git repo which > you can do a git pull to update. Your version is too old. > > Follow the instructions at: > https://markayoder.github.io/PRUCookbook/02start/start.html#_installing_the_latest_os_on_your_bone > > to download and install an updated version of the SD card image. > > --Mark > > On Wednesday, February 17, 2021 at 2:25:40 PM UTC-5 > wal...@edenconceptsllc.com wrote: > >> Mark, >> >> git pull on /var/lib/cloud9 fails with 'fatal: Not a git repository (or >> any of the parent directories): .git >> >> I'm such a neophyte on git. What do I need to do? >> >> And, what do you mean by updating to a new version of the SD card? The OS >> is booting from the SD card and the version.sh information posted earlier >> is based on that. >> >> >> On Wednesday, February 17, 2021 at 2:02:55 PM UTC-5 Mark A. Yoder wrote: >> >>> I suggest updating to a new version of the SD card. It looks like the >>> PRUs are getting started at boot time, but the path isn't setup right. I >>> think we setup some links so the path* /dev/remoteproc/pruss-core0/state >>> *points to the right place. >>> >>> You could also try: >>> *cd */var/lib/cloud9 >>> *git* pull >>> to update cloud9 folders. >>> >>> --Mark >>> >>> On Wednesday, February 17, 2021 at 1:53:35 PM UTC-5 >>> wal...@edenconceptsllc.com wrote: >>> >>>> Mark, >>>> >>>> I got the latest PRUCookbook downloaded and when trying to make the >>>> hello.pru0.c program in 1.6, I got this error. >>>> >>>> *debian@beaglebone:/var/lib/cloud9/PRUCookbook/docs/02start/code$ make >>>> TARGET=hello.pru0* >>>> */var/lib/cloud9/common/Makefile:29: >>>> MODEL=TI_AM335x_BeagleBone_Black,TARGET=hello.pru0* >>>> *- Stopping PRU 0* >>>> */bin/sh: 1: cannot create /dev/remoteproc/pruss-core0/state: Directory >>>> nonexistent* >>>> *Cannot stop 0* >>>> *CC hello.pru0.c* >>>> *"/var/lib/cloud9/common/prugpio.h", line 53: warning #1181-D: #warning >>>> directive: "Found am335x"* >>>> *LD /tmp/cloud9-examples/hello.pru0.o* >>>> *- copying firmware file /tmp/cloud9-examples/hello.pru0.out to >>>> /lib/firmware/am335x-pru0-fw* >>>> *cp: cannot create regular file '/lib/firmware/am335x-pru0-fw': >>>> Permission denied* >>>> */var/lib/cloud9/common/Makefile:180: recipe for target 'install' >>>> failed* >>>> *make: *** [install] Error 1* >>>> *rm /tmp/cloud9-examples/hello.pru0.o* >>>> >>>> Initially, I did not have a folder called /var/lib/cloud9/common. To >>>> remedy this I copied the contents of >>>> /var/lib/cloud9/PRUCookbook/docs/common to /var/lib/cloud9/common. Maybe >>>> this created a problem?Nevertheless, I found some other discussions that >>>> suggested updating the scripts and kernels from beagleboard.org/upgrade >>>> which I did. I am now running... >>>> >>>> Linux beaglebone 4.14.108-ti-r137 #1stretch SMP PREEMPT Tue Aug 25 >>>> 01:48:39 UTC 2020 armv7l GNU/Linux >>>> >>>> And the output of version.sh is >>>> >>>> *debian@beaglebone:/$ sudo opt/scripts/tools/version.sh* >>>> *[sudo] password for debian:* >>>> *git:/opt/scripts/:[e4e4854ef8ff9ada5c85553376043ee7679167ca]* >>>> *eeprom:[A335BNLT00C04417BBBK1847]* >>>> *model:[TI_AM335x_BeagleBone_Black]* >>>> *dogtag:[BeagleBoard.org Debian Image 2018-10-07]* >>>> *bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot SPL >>>> 2018.09-00002-g0b54a51eee (Sep 10 2018 - 19:41:39 -0500)]:[location: dd >>>> MBR]* >>>> *bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot >>>> 2018.09-00002-g0b54a51eee]:[location: dd MBR]* >>>> *bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot SPL >>>> 2018.03-00002-gac9cce7c6a (Apr 05 2018 - 13:07:46 -0500)]:[location: dd >>>> MBR]* >>>> *bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot >>>> 2018.03-00002-gac9cce7c6a]:[location: dd MBR]* >>>> *UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts]* >>>> *kernel:[4.14.108-ti-r137]* >>>> *nodejs:[v6.14.4]* >>>> */boot/uEnv.txt Settings:* >>>> *uboot_overlay_options:[enable_uboot_overlays=1]* >>>> >>>> *uboot_overlay_options:[uboot_overlay_addr0=/lib/firmware/BB-W1-P9.12-00A0.dtbo]* >>>> *uboot_overlay_options:[disable_uboot_overlay_video=1]* >>>> >>>> *uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo]* >>>> *uboot_overlay_options:[enable_uboot_cape_universal=1]* >>>> *pkg check: to individually upgrade run: [sudo apt install >>>> --only-upgrade <pkg>]* >>>> *pkg:[bb-cape-overlays]:[4.4.20180928.0-0rcnee0~stretch+20180928]* >>>> *pkg:[bb-customizations]:[1.20180815-0rcnee0~stretch+20180815]* >>>> *WARNING:pkg:[bb-usb-gadgets]:[NOT_INSTALLED]* >>>> *pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517]* >>>> *pkg:[kmod]:[23-2rcnee1~stretch+20171005]* >>>> *pkg:[librobotcontrol]:[1.0.3-git20181005.0-0rcnee0~stretch+20181005]* >>>> *pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328]* >>>> *groups:[debian : debian adm kmem dialout cdrom floppy audio dip video >>>> plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep >>>> admin spi tisdk weston-launch xenomai]* >>>> *cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 >>>> root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M >>>> net.ifnames=0 quiet]* >>>> *dmesg | grep remote* >>>> *[ 1.147260] remoteproc remoteproc0: wkup_m3 is available* >>>> *[ 1.231303] remoteproc remoteproc0: powering up wkup_m3* >>>> *[ 1.231426] remoteproc remoteproc0: Booting fw image >>>> am335x-pm-firmware.elf, size 217168* >>>> *[ 1.233981] remoteproc remoteproc0: remote processor wkup_m3 is now >>>> up* >>>> *[ 108.634522] remoteproc remoteproc1: 4a334000.pru is available* >>>> *[ 108.656634] remoteproc remoteproc2: 4a338000.pru is available* >>>> *dmesg | grep pru* >>>> *[ 108.019424] pruss 4a300000.pruss: creating PRU cores and other >>>> child platform devices* >>>> *[ 108.634522] remoteproc remoteproc1: 4a334000.pru is available* >>>> *[ 108.634642] pru-rproc 4a334000.pru: PRU rproc node >>>> /ocp/pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully* >>>> *[ 108.656634] remoteproc remoteproc2: 4a338000.pru is available* >>>> *[ 108.656808] pru-rproc 4a338000.pru: PRU rproc node >>>> /ocp/pruss_soc_bus@4a326004/pruss@0/pru@38000 probed successfully* >>>> *dmesg | grep pinctrl-single* >>>> *[ 0.783913] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 >>>> size 568* >>>> *dmesg | grep gpio-of-helper* >>>> *[ 0.796624] gpio-of-helper ocp:cape-universal: ready* >>>> *lsusb* >>>> *Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub* >>>> *END* >>>> >>>> Any ideas? >>>> >>>> On Wednesday, February 17, 2021 at 10:10:53 AM UTC-5 Mark A. Yoder >>>> wrote: >>>> >>>>> The PRUs can give you 10's of ns timing, which is more than good >>>>> enough for milliseconds, but might be over kill. >>>>> >>>>> I'd think using C on the ARM processor should be fast enough. I'd use >>>>> gpiod[1]. >>>>> >>>>> If you really want the ns timing of the PRUs, check out the PRU >>>>> Cookbook[2] >>>>> >>>>> --Mark >>>>> >>>>> [1] https://github.com/starnight/libgpiod-example >>>>> [2] https://github.com/MarkAYoder/PRUCookbook >>>>> >>>>> On Tuesday, February 16, 2021 at 10:51:11 AM UTC-5 pierric...@gadz.org >>>>> wrote: >>>>> >>>>>> Depending on how precise you need to be, I would go for the PRU-ICSS. >>>>>> They can control the GPIOs pretty easily. >>>>>> >>>>>> Le mardi 16 février 2021 à 10:03:47 UTC-5, wal...@edenconceptsllc.com >>>>>> a écrit : >>>>>> >>>>>>> I have a BBB Wireless running Linux beaglebone 4.14.108-ti-r106 #1 >>>>>>> SMP PREEMPT Fri May 24 22:12:34 UTC 2019 armv7l GNU/Linux >>>>>>> >>>>>>> I am writing in C. >>>>>>> >>>>>>> I turn a valve on and then need to read some sensors for N >>>>>>> milliseconds and then turn the valve off. >>>>>>> >>>>>>> What's the best way to read milliseconds on the BBBw? I don't have >>>>>>> a RTC on this particular unit but could add one using I2C. I have an >>>>>>> Adafruit 4282 with a DS3231 RTC on it on another BBBw that I could use >>>>>>> temporarily to prove it works. What other options are available? >>>>>>> >>>>>>> >>>>>>> -- 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/4f550869-63f0-4a5b-a9eb-c0c2550eb29bn%40googlegroups.com.
