> > > > > > > > *Hi Vincent,William,Yes I am using Kernel > 3.8 (4.1) and trying to > simulate the SPI signals on the GPIOs.(CLK,Data,CS)I don't want to use the > host SPI driver and want to implement evrythign via GPIO.any comments > !Rgds,Rp*
I think you will need the PRUs to do all that. Doing all this in software from even kernel space wont work without hardware to back it up. Meaning, I think a pure software implementation would be too slow. On Thu, May 26, 2016 at 11:57 AM, Raul Piper <raulpbloo...@gmail.com> wrote: > Hi Vincent,William, > Yes I am using Kernel > 3.8 (4.1) and trying to simulate the SPI signals > on the GPIOs.(CLK,Data,CS) > I don't want to use the host SPI driver and want to implement evrythign > via GPIO. > any comments ! > Rgds, > Rp > > On Thursday, May 26, 2016 at 8:32:15 PM UTC+5:30, Vincent lc wrote: > >> Hi, >> >> If you want to use a kernel version >= 3.8, you are obliged to use a DTS >> (Device tree source) in order ton configured the GPIO. >> And I advised you to use one because It's important to be on page :-) >> >> I like lots of microcontroller, you always need to configured pins before >> using them, here, the way is to use the overlay (mean that they are load >> when the board is steal running) ;-). >> The video that you posted is a good example, you can also check the >> associate website : http://exploringbeaglebone.com/chapter6/ where you >> can download source code and so on ^_^. >> >> Have a lovely day ! >> Enjoy >> Vincent >> >> >> >> Le jeudi 26 mai 2016 15:46:20 UTC+2, Raul Piper a écrit : >>> >>> HI , >>> I am new to BBB.I am trying to create a user app to access GPIO in BBB.I >>> came across this video - > https://www.youtube.com/watch?v=wui_wU1AeQc >>> .Is it really necessary to use Device overlay to access the GPIOs? >>> Can some one please post a link to how to get started with GPIOS on BBB. >>> Rgds, >>> Rp >>> >> -- > 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+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/b1715dc6-176f-41bd-bb32-8250ed74de76%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/b1715dc6-176f-41bd-bb32-8250ed74de76%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- 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+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORpoPW3t4JLrROmMfgXurvMcHyuWDb6B1gUo90f8By922w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
