Good point, it should work.... I'm running a newer test image[1], but I took my Beagle home so I can't do a quick check on it until later.
--Mark [1]https://rcn-ee.com/rootfs/bb.org/testing/2021-02-15/buster-iot/bone-debian-10.8-iot-armhf-2021-02-15-4gb.img.xz On Wednesday, February 17, 2021 at 2:46:35 PM UTC-5 wal...@edenconceptsllc.com wrote: > I asked because the ones on the page @ the link are older than the one I > have installed. > > > 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. 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