Hi Robert and William. Thank you very much for the responses! I did the following:
root@beaglebone:/sys/class/uio# uname -r 4.1.21-bone-rt-r20 root@beaglebone:/sys/class/uio# lsmod | grep uio uio_pruss 4582 0 uio_pdrv_genirq 3309 0 uio 8311 2 uio_pruss,uio_pdrv_genirq root@beaglebone:/sys/class/uio# sudo modprobe uio_pruss extram_pool_sz=0x1E8480 root@beaglebone:/sys/class/uio# ls uio0 uio1 uio2 uio3 uio4 uio5 uio6 uio7 root@beaglebone:/sys/class/uio# ls uio0/maps/map1 addr name offset size root@beaglebone:/sys/class/uio# cat uio0/maps/map1/size 0x001e8480 On Thursday, April 7, 2016 at 1:45:13 PM UTC-3, RobertCNelson wrote: > > > > On Thu, Apr 7, 2016 at 11:38 AM, Robert Nelson <[email protected] > <javascript:>> wrote: > >> >> >> On Thu, Apr 7, 2016 at 11:30 AM, William Hermans <[email protected] >> <javascript:>> wrote: >> >>> *I was taking a look at chapter 13 yesterday with (v4.1.x-bone), which >>>> has uio_pruss however the uio class doesn't match up 100% either..* >>>> >>> >>> Robert, what do you mean by this ? I've had 4.1.*bone* working with uio >>> seemingly fine. Which is to say I do not doubt you, just wondering if there >>> is something I'm missing ? >>> >> >> So uio may work fine in 4.1.x-bone, but it's not matching up with the >> directions here: >> >> http://exploringbeaglebone.com/chapter13/#The_Programs >> >> Specifically Step 2 "/sys/class/uio/uio0/maps/map1" >> >> I think that's where all the new users are getting confused.. >> > > debian@beaglebone:~$ uname -r > 4.1.20-bone-rt-r20 > > debian@beaglebone:~$ lsmod | grep uio > uio_pdrv_genirq 3309 0 > uio 8311 1 uio_pdrv_genirq > > debian@beaglebone:~$ sudo modprobe uio_pruss extram_pool_sz=0x1E8480 > > debian@beaglebone:~$ lsmod | grep uio > uio_pruss 4582 0 > uio_pdrv_genirq 3309 0 > uio 8311 2 uio_pruss,uio_pdrv_genirq > > debian@beaglebone:~$ cd /sys/class/uio/ > debian@beaglebone:/sys/class/uio$ tree > . > > 0 directories, 0 files > > Regards, > > -- > Robert Nelson > https://rcn-ee.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]. For more options, visit https://groups.google.com/d/optout.
