Hello again William, http://serverfault.com/questions/444685/run-linux-script-at-startup.
Apparently Ubuntu 12.10 lts uses Upstart as the init daemon which I know nothing about. But the first answer to the question on that link seems reasonable. On Mon, Jul 28, 2014 at 6:18 PM, William Pretty Security < [email protected]> wrote: > Hello All; > > > > I have a script that enables the other UARTs on the BBB, when I run it > after the system has booted. > > The problem is I can’t get the same commands to execute automatically when > UBUNTU 12.04LTS boots. > > > > This is the bash file that works: > > > > serials.sh > > > > #!/bin/bash > > cd /lib/firmware/ > > echo ttyO1_armhf.com > /sys/devices/bone_capemgr*/slots > > echo ttyO2_armhf.com > /sys/devices/bone_capemgr*/slots > > echo ttyO4_armhf.com > /sys/devices/bone_capemgr*/slots > > echo tty01_armhf.com > /sys/devices/bone_capemgr*/slots > > echo tty02_armhf.com > /sys/devices/bone_capemgr*/slots > > echo tty04_armhf.com > /sys/devices/bone_capemgr*/slots > > cd ~ > > > > > > Here is the result: > > > > root@ubuntu-armhf:/# bash serials.sh > > root@ubuntu-armhf:/# ls -l /dev/ttyO* > > crw------- 1 root tty 249, 0 Jul 28 22:28 /dev/ttyO0 > > crw-rw---- 1 root dialout 249, 1 Jul 28 22:28 /dev/ttyO1 > > crw-rw---- 1 root dialout 249, 2 Jul 28 22:28 /dev/ttyO2 > > crw-rw---- 1 root dialout 249, 4 Jul 28 22:28 /dev/ttyO4 > > root@ubuntu-armhf:/# > > > > If I put the same commands in .bash_profile this is what I get: > > > > > > .bash_profile > > > > PATH=$PATH:/home/ubuntu/local/cloud9/:/home/ubuntu/local/cloud9/bin/ > > > > export PATH > > > > export NODE_PATH=/usr/local/bin/cloud9/node_modules > > > > # Required For Device Tree Overlays > > export SLOTS=/sys/devices/bone_capemgr.9/slots > > export PINS=/sys/kernel/debug/pinctrl/44e10800.pinmux/pins > > > > # Setup the other Serial Ports > > > > echo "Setting up ttyO1 - ttyO4" > > echo /lib/firmware/ttyO1_armhf.com > /sys/devices/bone_capemgr*/slots > > echo /lib/firmware/ttyO2_armhf.com > /sys/devices/bone_capemgr*/slots > > echo /lib/firmware/ttyO4_armhf.com > /sys/devices/bone_capemgr*/slots > > > > ubuntu-armhf login: root > > Password: > > Last login: Mon Jul 28 22:25:16 UTC 2014 on ttyO0 > > Welcome to Ubuntu 12.04.4 LTS (GNU/Linux 3.8.13-bone20 armv7l) > > > > * Documentation: https://help.ubuntu.com/ > > Setting up ttyO1 - ttyO4 > > [ 25.020726] bone-capemgr bone_capemgr.9: failed to load firmware > '/lib/firmware/tt-00A0.dtbo' > > -bash: echo: write error: No such file or directory > > [ 25.050049] bone-capemgr bone_capemgr.9: failed to load firmware > '/lib/firmware/tt-00A0.dtbo' > > -bash: echo: write error: No such file or directory > > [ 25.079348] bone-capemgr bone_capemgr.9: failed to load firmware > '/lib/firmware/tt-00A0.dtbo' > > -bash: echo: write error: No such file or directory > > > > root@ubuntu-armhf:~# ls -l /dev/ttyO* > > crw------- 1 root tty 249, 0 Jul 28 22:27 /dev/ttyO0 > > > > The .dtbo files are in /lib/firmware/ or the bash script wouldn’t work. Is > there somewhere else I should put the commands ? > > > > Thanks. > > > > Bill > > > > "No one could make a greater mistake than he who did nothing because he > could do only a little." > > "All that is necessary for the triumph of evil is that good men do > nothing" Edmond Burke *(1729 - 1797)* > > > http://www.packtpub.com/building-a-home-security-system-with-beaglebone/book > > > > -- > 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. > -- 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.
