четверг, 20 сентября 2018 г., 9:48:37 UTC+3 пользователь TJF написал: > > Hi Anton! > > Am Montag, 17. September 2018 18:11:17 UTC+2 schrieb Anton Nikiforov: >> >> >> >> понедельник, 17 сентября 2018 г., 18:02:10 UTC+3 пользователь TJF написал: >>> >>> It's pretty easy when you use the matching tools: >>> >>> a) disable rproc >>> b) disable cape-universal >>> >>> Instead >>> >>> c) enable uio_pruss driver >>> d) install libpruio >>> >>> Then do pinmuxing by function setPin(Top, Ball, Mode) >>> <http://users.freebasic-portal.de/tjf/Projekte/libpruio/doc/html/class_pru_io.html#a8d1cc5e85dcd08fd69c93bec07e17dc6>. >>> >>> Single source, no external pinmuxing, no device tree overlay, >>> >>> It's most likely that you can use some of the libpruio IO features (ADC, >>> GPIO, TIMER. PWM, CAP, QEP). So PRU-0 for your firmware, PRU-1 for hardware >>> driver libpruio. The first prove of concept can be done on ARM CPU, then >>> switch to the PRU for the final shot (fast, hard real-time). >>> >>> Ask for details if you're interested. >>> >> >> I want to use PRU for Bitbanging and i wish i would try as much tools as >> i can for it. So i'm interested in it. >> > > I added two new examples to the library: pruss_add and pruss_toggle. Find > details in the documentation > <http://users.freebasic-portal.de/tjf/Projekte/libpruio/doc/html/ChaExamples.html>. > > The example pruss_toggle is close to your bitbanging target. it configures > a PRU-GPIO output, toggles that pin and measures the pulse train by > libpruio CAP feature. (Reduced toggling speed in order to get good > measurements.) > > Note: single source! All code in one file (pinmuxing, firmware, PRUSS > control), running at user space (no administrator privileges necessary). >
Thanks, i'll try it today, hope it will work properly with last Kernel. -- 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/74ed1690-7ee4-49f3-bea1-80d62184eaa4%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
