I recommend for some directions and concepts the pru cookbook https://markayoder.github.io/PRUCookbook/
Sent from my iPhone > Em 23 de abr. de 2021, à(s) 18:46, Cheng Chen <[email protected]> escreveu: > > It's either remoteproc or uio right? To be honest, I don't know much about > the difference. But I am following the book by Derek Molly and in his book, > he promotes remoteproc. > > Regards, > > 在2021年4月23日星期五 UTC-4 下午5:38:16<lazarman> 写道： >> Have you looked at libruio? it fix everything. >> free support as well in group by TJ. >> >> >> Sent from Yahoo Mail on Android >> >> On Fri, Apr 23, 2021 at 4:31 PM, [email protected] >> <[email protected]> wrote: >> Have you check M Yoder PRU cookbook? >> >> Pierrick Rauby >> >>> On 23 Apr 2021, at 16:56, Cheng Chen <[email protected]> wrote: >>> >>> Hi all, >>> >>> I am new learner of Beaglebone Black and I was trying to follow the >>> examples of Programmable Real-time Unit software support package from TI. >>> I think there was a tutorial website previously but now it's obsolete. I >>> wonder if anybody knows where those materials is available? >>> The reason I asked is I am not able to successfully run any examples except >>> PRU_gpioToggle. In particular I am interested in RPMsg transfer between ARM >>> and PRU. For example, PRU_ADC_onChip, after I built the firmware and >>> userspace code, and run ./pru_adc_userspace -c 5. It just shows error >>> messages. >>> >>> Reading voltage at ADC Channel: 5 >>> /dev/rpmsg_pru30 could not be opened. >>> Trying to initialize PRU using sysfs interface. >>> ERROR: Could not open /dev/rpmsg_pru30 >>> >>> I think it should be just some minor issues like driver missing and such. >>> But I don't know where to start debugging. It would be nice that if anybody >>> knows where the tutorial is. I feel like I'm just trying in the dark. >>> Thanks. >>> >>> Regards, >>> Cheng >>> >>> -- >>> 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/b0dc4e7b-edd7-45f7-b54b-28a9cedd6a2an%40googlegroups.com. >>> >> >> -- >> 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/585CFD31-D22E-4C60-A444-378EB8E47288%40gadz.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]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/1184025e-6d73-4e43-b0b8-d78ffcc1466cn%40googlegroups.com. -- 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/5010B362-A75A-4F2A-9B36-27C8695D9ACF%40gmail.com.
