lol dahm text correction got me good that time "obstacle" On Tue, May 16, 2017 at 1:26 AM, William Hermans <[email protected]> wrote:
> > > On Tue, May 16, 2017 at 1:07 AM, Joseph Heller <[email protected] > > wrote: > >> On Tuesday, May 16, 2017 at 3:27:07 AM UTC+2, William Hermans wrote: >>> >>> >>> >>> On Wed, Apr 26, 2017 at 1:02 AM, Joseph Heller <[email protected]> >>> wrote: >>> >>>> Updated link: http://catch22.eu/beaglebone/beaglebone-pru-c/ >>>> >>> >>> I may have mentioned this before, but I think blinking a USR LED would >>> be far more useful. Nothing to hook up, and worry about blowing the pins on >>> the processor, etc. However, then we're talking about involving the L3 >>> interconnect, which might be what you did not want to do ? >>> >>> A point of contention that I have with the article however, is: How does >>> the GPIO bank + DATA_OUT register get into the PRU's _R30 register ? This >>> also has to be dynamic somehow. I can't imagine all registers r0-r31 are >>> each dedicated to a single control register of *something*. Then yes, I do >>> know that some PRU registers are reserved, I just do not know which anymore. >>> >> >> I don't know yet either at the moment. The way I use it in the example >> seems to work magically per default. Risk is that is breaks though. An >> explanation would be helpful. >> > > Ah, ok, I was afraid of that. I do know the gpio registers fairly well, so > maybe at some point I could figure that out. If I do I'll try to relay the > info to you. One thing I'm thinking could be an obstetrical, is that there > is GPIO that the PRU has direct access to, and then GPIO that has to be > accessed over the L3 interconnect. Then I noticed from your article that > the GPIO that you're using is mode 0x05, which is obviously PRU mux mode > for GPO I suppose if you're controlling an LED. So yeah . . . will be a bit > different. > -- 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/CALHSORqcm4j62tNajqhdBiwU0EEQd4nxO2edCi0gV_Qa-d7CFw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
