Same problem, See my post, https://groups.google.com/forum/embed/?place=forum/beagleboard&showsearch=true&showpopout=true&showtabs=true&hideforumtitle=true&parenturl=http://beagleboard.org/Community/Forums&afterlogin&pli=1#!category-topic/beagleboard/beaglebone-black/gt6o_DpXvdA
Le vendredi 17 octobre 2014 10:24:50 UTC+2, sm...@polynomic3d.com a écrit : > > I'm running the latest Debian image, so far I've... > > > 1. mkdir /mnt/boot > 2. mount /dev/mmcblk0p1 /mnt/boot > 3. nano /mnt/boot/uEnv.txt > > > and added the following lines... > > # UART 1 > cape_enable=capemgr.enable_partno=BB-UART1,BB-UART2,BB-UART4,BB-UART5 > > ls -l /dev/ttyO* crw-rw---- 1 root tty 248, 0 May 15 02:50 /dev/ttyO0 > crw-rw---T 1 root dialout 248, 1 May 15 02:50 /dev/ttyO1 crw-rw---T 1 root > dialout 248, 2 May 15 02:50 /dev/ttyO2 crw-rw---T 1 root dialout 248, 4 May > 15 02:50 /dev/ttyO4 crw-rw---T 1 root dialout 248, 5 May 15 02:50 > /dev/ttyO5 > So as far as I can tell all the UART's are now enabled using the default > settings. > > I have a wire connecting the P9 pin 11 and 13. > > root@beagle:~# echo "1234567890" > /dev/ttyO4 > root@beagle:~# cat /dev/ttyO4 > > Returns nothing. > > What am I doing wrong here? > > Thanks, -Cody > > > > 1. > > -- 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. For more options, visit https://groups.google.com/d/optout.
