Hi Vinicius. I just tried the very same thing on a BeagleBone Black and worked like a charm! Honestly, I don't know what gone wrong in BBGW. But it's ok, I can go further in my studies using BeagleBone Black.
Again, thanks for the help. Best Regards, Pedro Bertoleti Em domingo, 17 de janeiro de 2021 às 19:16:30 UTC-4, vinicius...@gmail.com escreveu: > One question > > On what pru you are running your code? 0 or 1? > For p9_27 must be pru0 > > There was something on dmesg? > > Sent from my iPhone > > > Em 17 de jan. de 2021, à(s) 19:54, Pedro Henrique Fonseca Bertoleti < > phfber...@gmail.com> escreveu: > > > > Hi Vinicius. The code I've used is the same as available here: > https://github.com/derekmolloy/exploringBB/blob/version2/chp15/pru/blinkLED/blinkLED.c > > And yes, I've confirmed and P9_27 (GPIO to wire the LED) was configured as > pruout. > > > Best Regards, > Pedro Bertoleti > > Em dom., 17 de jan. de 2021 às 18:14, Vinicius Juvinski < > vinicius...@gmail.com> escreveu: > >> Could you please share your code ? >> >> Have you checked with confit-pin or show-pins to confirm there are as pru >> out ? >> >> Sent from my iPhone >> >> >> Em 17 de jan. de 2021, à(s) 18:40, Pedro Henrique Fonseca Bertoleti < >> phfber...@gmail.com> escreveu: >> >> >> Hi Vinicius. >> >> Some minutes ago I was able to make it work. I tried to compile a custom >> firmware, flash it to pru (through remoteproc) and start it, and I've got >> success innchange state value. >> >> However, I'm not able to control (on/off) a LED in BeagleBone Green >> Wireless. I've set in config_pin the gpio P9_27 to pruout successfully, but >> I've got no lucky in controlling the LED I've wired to this gpio. I'll try >> to do it in BeagleBone Black, and I'll follow pru cook book as you >> recommended. >> >> Thanks! >> >> Em dom, 17 de jan de 2021 18:32, Vinicius Juvinski <vinicius...@gmail.com> >> escreveu: >> >>> Hi Pedro, >>> >>> I didn't find the source code for this firmware. >>> I recommend you install the TI's Code Composer Studio ( >>> https://www.ti.com/design-resources/embedded-development/ccs-development-tools.html >>> ) >>> And follow the PRU cookbook. The book from Derek's if is the first >>> edition if I am not wrong, is focused on kernel 3.18, I bought the second >>> edition and this is updated to 4.14 version. >>> So to start with PRU I really recommend the PRUCookbook + CCS. >>> >>> Best regards. >>> >>> Em dom., 17 de jan. de 2021 às 14:27, phfbertoleti <phfber...@gmail.com> >>> escreveu: >>> >>>> Vinicius, here follows the output of version.sh: >>>> >>>> >>>> ----------- >>>> debian@beaglebone:/opt/scripts/tools$ sudo ./version.sh >>>> [sudo] password for debian: >>>> git:/opt/scripts/:[b39ec679648a6be8f25f48bd1c9784c1fc5a0c46] >>>> eeprom:[A335BNLTGW1ABBGW16054623] >>>> model:[TI_AM335x_BeagleBone_Green_Wireless] >>>> dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-04-06] >>>> bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot >>>> 2019.04-00002-g07d5700e21]:[location: dd MBR] >>>> UBOOT: Booted Device-Tree:[am335x-bonegreen-wireless-uboot-univ.dts] >>>> UBOOT: Loaded Overlay:[AM335X-PRU-RPROC-4-19-TI-00A0] >>>> UBOOT: Loaded Overlay:[BB-ADC-00A0] >>>> UBOOT: Loaded Overlay:[BB-BBGW-WL1835-00A0] >>>> UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0] >>>> kernel:[4.19.94-ti-r42] >>>> nodejs:[v10.15.2] >>>> /boot/uEnv.txt Settings: >>>> uboot_overlay_options:[enable_uboot_overlays=1] >>>> >>>> uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-19-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]:[4.14.20200814.0-0~buster+20200814] >>>> pkg:[bb-wl18xx-firmware]:[1.20200813.1-0~buster+20200813] >>>> pkg:[kmod]:[26-1] >>>> pkg:[librobotcontrol]:[1.0.5-git20200715.0-0~buster+20200716] >>>> pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~buster+20200305] >>>> groups:[debian : debian adm kmem dialout cdrom floppy audio dip video >>>> plugdev users systemd-journal bluetooth netdev i2c gpio pwm eqep >>>> remoteproc >>>> admin spi iio docker tisdk weston-launch xenomai cloud9ide] >>>> cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 >>>> root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M >>>> net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet] >>>> dmesg | grep remote >>>> [ 11.585512] remoteproc remoteproc0: 4a334000.pru is available >>>> [ 11.605383] remoteproc remoteproc1: 4a338000.pru is available >>>> [ 60.745582] remoteproc remoteproc2: wkup_m3 is available >>>> [ 60.840333] remoteproc remoteproc2: powering up wkup_m3 >>>> [ 60.840364] remoteproc remoteproc2: Booting fw image >>>> am335x-pm-firmware.elf, size 217168 >>>> [ 60.840611] remoteproc remoteproc2: remote processor wkup_m3 is now >>>> up >>>> dmesg | grep pru >>>> [ 11.585512] remoteproc remoteproc0: 4a334000.pru is available >>>> [ 11.585705] pru-rproc 4a334000.pru: PRU rproc node pru@4a334000 >>>> probed successfully >>>> [ 11.605383] remoteproc remoteproc1: 4a338000.pru is available >>>> [ 11.605571] pru-rproc 4a338000.pru: PRU rproc node pru@4a338000 >>>> probed successfully >>>> dmesg | grep pinctrl-single >>>> [ 0.945761] pinctrl-single 44e10800.pinmux: 142 pins, size 568 >>>> dmesg | grep gpio-of-helper >>>> [ 0.958228] gpio-of-helper ocp:cape-universal: ready >>>> lsusb >>>> Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub >>>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >>>> END >>>> ----------- >>>> >>>> Em domingo, 17 de janeiro de 2021 às 02:11:21 UTC-4, >>>> vinicius...@gmail.com escreveu: >>>> >>>>> >>>>> Please send the result of version.sh under opt/scripts >>>>> Em dom., 17 de jan. de 2021 às 03:07, Pedro Henrique Fonseca Bertoleti >>>>> <phfber...@gmail.com> escreveu: >>>>> >>>>>> Thanks! >>>>>> >>>>>> In this reference, I can see a custom firmware has been developes and >>>>>> a header file was missing in its code. However, in my case, I'm using a >>>>>> firmware which is in /lib/firmware by default (am335x-pru1-fw). I assume >>>>>> this firmware works, once it comes with distro (I'm using official image >>>>>> provided in BeagleBone site). >>>>>> >>>>>> Why am I getting this error with a firmware it's supposed to work? >>>>>> Please, would you shed some light on it? >>>>>> >>>>>> >>>>>> Best Regards. >>>>>> >>>>>> Em dom, 17 de jan de 2021 03:00, Vinicius Juvinski < >>>>>> vinicius...@gmail.com> escreveu: >>>>>> >>>>>>> Yes ,the answer is there - 4.2 >>>>>>> >>>>>>> Em dom., 17 de jan. de 2021 às 01:55, Pedro Henrique Fonseca >>>>>>> Bertoleti <phfber...@gmail.com> escreveu: >>>>>>> >>>>>>>> Sorry, I couldn't find any information on this error 22 on PRU cook >>>>>>>> book. Please, anyone can help me on handling this error? >>>>>>>> >>>>>>>> Em dom, 17 de jan de 2021 01:46, Vinicius Juvinski < >>>>>>>> vinicius...@gmail.com> escreveu: >>>>>>>> >>>>>>>>> Hi Pedro, >>>>>>>>> >>>>>>>>> >>>>>>>>> You are having error 22 - I don’t remember right now the cause , >>>>>>>>> the prucookbook has the explanation and how to fix :) >>>>>>>>> >>>>>>>>> Em dom., 17 de jan. de 2021 às 00:59, phfbertoleti < >>>>>>>>> phfber...@gmail.com> escreveu: >>>>>>>>> >>>>>>>>>> Hi vinicius. >>>>>>>>>> >>>>>>>>>> First of all, thanks for the reply and for indicating me PRU cook >>>>>>>>>> book. >>>>>>>>>> Regarding dmesg messages, yes, I've checked them (as shown >>>>>>>>>> below). It seems PRUs are available for use, am I right? >>>>>>>>>> What do you recommend as a hello world test for PRU? >>>>>>>>>> >>>>>>>>>> --------------------- >>>>>>>>>> [ 11.169923] remoteproc remoteproc0: 4a334000.pru is available >>>>>>>>>> [ 11.171927] remoteproc remoteproc1: 4a338000.pru is available >>>>>>>>>> [ 60.948771] remoteproc remoteproc2: wkup_m3 is available >>>>>>>>>> [ 60.956133] remoteproc remoteproc2: powering up wkup_m3 >>>>>>>>>> [ 60.956160] remoteproc remoteproc2: Booting fw image >>>>>>>>>> am335x-pm-firmware.elf, size 217168 >>>>>>>>>> [ 60.956412] remoteproc remoteproc2: remote processor wkup_m3 >>>>>>>>>> is now up >>>>>>>>>> [ 454.023370] remoteproc remoteproc1: powering up 4a338000.pru >>>>>>>>>> [ 454.027965] remoteproc remoteproc1: loading >>>>>>>>>> /lib/firmware/am335x-pru1-fw failed with error -22 >>>>>>>>>> [ 454.027986] remoteproc remoteproc1: Direct firmware load for >>>>>>>>>> am335x-pru1-fw failed with error -22 >>>>>>>>>> [ 454.028006] remoteproc remoteproc1: request_firmware failed: >>>>>>>>>> -22 >>>>>>>>>> [ 454.043116] remoteproc remoteproc1: Boot failed: -22 >>>>>>>>>> --------------------- >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Best Regards, >>>>>>>>>> Pedro Bertoleti >>>>>>>>>> >>>>>>>>>> Em sábado, 16 de janeiro de 2021 às 23:05:07 UTC-4, >>>>>>>>>> vinicius...@gmail.com escreveu: >>>>>>>>>> >>>>>>>>>>> Hi Pedro, >>>>>>>>>>> >>>>>>>>>>> I recommend you take a look at >>>>>>>>>>> https://markayoder.github.io/PRUCookbook/ >>>>>>>>>>> >>>>>>>>>>> Have you checked the dmesg to see what is happening at kernel >>>>>>>>>>> level ? >>>>>>>>>>> >>>>>>>>>>> Em sáb., 16 de jan. de 2021 às 23:25, phfbertoleti < >>>>>>>>>>> phfber...@gmail.com> escreveu: >>>>>>>>>>> >>>>>>>>>>>> Hi everyone. >>>>>>>>>>>> >>>>>>>>>>>> My name is Pedro and I'm from Brazil. I'm trying to learn how >>>>>>>>>>>> to use PRUs in BeagleBone (I'm using BeagleBone Green Wireless >>>>>>>>>>>> now) and I'm >>>>>>>>>>>> facing a problem I cannot solve. >>>>>>>>>>>> >>>>>>>>>>>> I'm reading Derek Molloy's book (Exploring BeagleBone) and one >>>>>>>>>>>> of the first examples / "hello world"-like is checking which >>>>>>>>>>>> firmware is >>>>>>>>>>>> loaded in PRU0 and start it. However, when I try to do this, I get >>>>>>>>>>>> "write >>>>>>>>>>>> error: Invalid argument" as error output: >>>>>>>>>>>> >>>>>>>>>>>> debian@beaglebone:/sys/class/remoteproc/remoteproc1$ cat >>>>>>>>>>>> firmware >>>>>>>>>>>> am335x-pru1-fw >>>>>>>>>>>> debian@beaglebone:/sys/class/remoteproc/remoteproc1$ echo >>>>>>>>>>>> 'start' > state >>>>>>>>>>>> -bash: echo: write error: Invalid argument >>>>>>>>>>>> >>>>>>>>>>>> What am I doing wrong? I would like to see "running" at state >>>>>>>>>>>> value, in order to be sure PRU0 is working. >>>>>>>>>>>> >>>>>>>>>>>> Here follows some useful information: >>>>>>>>>>>> >>>>>>>>>>>> Kernel version: 4.19.94-ti-r42 >>>>>>>>>>>> Dmesg output related to remoteproc: >>>>>>>>>>>> >>>>>>>>>>>> --------------------- >>>>>>>>>>>> [ 11.169923] remoteproc remoteproc0: 4a334000.pru is available >>>>>>>>>>>> [ 11.171927] remoteproc remoteproc1: 4a338000.pru is available >>>>>>>>>>>> [ 60.948771] remoteproc remoteproc2: wkup_m3 is available >>>>>>>>>>>> [ 60.956133] remoteproc remoteproc2: powering up wkup_m3 >>>>>>>>>>>> [ 60.956160] remoteproc remoteproc2: Booting fw image >>>>>>>>>>>> am335x-pm-firmware.elf, size 217168 >>>>>>>>>>>> [ 60.956412] remoteproc remoteproc2: remote processor wkup_m3 >>>>>>>>>>>> is now up >>>>>>>>>>>> [ 454.023370] remoteproc remoteproc1: powering up 4a338000.pru >>>>>>>>>>>> [ 454.027965] remoteproc remoteproc1: loading >>>>>>>>>>>> /lib/firmware/am335x-pru1-fw failed with error -22 >>>>>>>>>>>> [ 454.027986] remoteproc remoteproc1: Direct firmware load for >>>>>>>>>>>> am335x-pru1-fw failed with error -22 >>>>>>>>>>>> [ 454.028006] remoteproc remoteproc1: request_firmware failed: >>>>>>>>>>>> -22 >>>>>>>>>>>> [ 454.043116] remoteproc remoteproc1: Boot failed: -22 >>>>>>>>>>>> --------------------- >>>>>>>>>>>> >>>>>>>>>>>> Thanks in advance. >>>>>>>>>>>> >>>>>>>>>>>> Best Regards, >>>>>>>>>>>> Pedro Bertoleti >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> 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/7c2be7bd-63f3-4798-85dd-e5be63d86831n%40googlegroups.com >>>>>>>>>>>> >>>>>>>>>>>> <https://groups.google.com/d/msgid/beagleboard/7c2be7bd-63f3-4798-85dd-e5be63d86831n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>>>>>> . >>>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>> 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/8e94c2a0-287a-4c6c-8342-87a7f6a9fcabn%40googlegroups.com >>>>>>>>>> >>>>>>>>>> <https://groups.google.com/d/msgid/beagleboard/8e94c2a0-287a-4c6c-8342-87a7f6a9fcabn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>>>> . >>>>>>>>>> >>>>>>>>> -- >>>>>>>>> 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/CAB6xwCr3DMGwQD0%2Be5dxHMZJHy6roXgRDHYAvYpJJuqTPw175w%40mail.gmail.com >>>>>>>>> >>>>>>>>> <https://groups.google.com/d/msgid/beagleboard/CAB6xwCr3DMGwQD0%2Be5dxHMZJHy6roXgRDHYAvYpJJuqTPw175w%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>>>>> . >>>>>>>>> >>>>>>>> -- >>>>>>>> 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 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<https://groups.google.com/d/msgid/beagleboard/CAB6xwCqFvpRVanfBe4w-1y3vomgrb1Jax%2BzPBfJ%2BNrXsir4vgQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>>> . >>>>>>> >>>>>> -- >>>>>> 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/CAJK9pqe7H1Ty9uJ%2BJt64SS-NQPXxsYYKFDtyE5w2PejDttx6rA%40mail.gmail.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/beagleboard/CAJK9pqe7H1Ty9uJ%2BJt64SS-NQPXxsYYKFDtyE5w2PejDttx6rA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> --- >>>> You received this message because you are subscribed to the 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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/A1A206EB-7F82-4CA8-A75E-4CBC3AB8D6FB%40gmail.com >> >> <https://groups.google.com/d/msgid/beagleboard/A1A206EB-7F82-4CA8-A75E-4CBC3AB8D6FB%40gmail.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Atenciosamente, > > Pedro Bertoleti > (http://pedrobertoleti.com.br/) > > -- > 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/CAJK9pqfG1z9b9DRi4Cjq9aWxFUySe0vYn9ycVgK41ffNkgBZ6A%40mail.gmail.com > > 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