more ti eqep video notes

eqep-video-notes.txt

afustini@lappy486:~$ ssh root@beaglebone.local
Warning: the ECDSA host key for 'beaglebone.local' differs from the key for the IP address '192.168.0.105'
Offending key for IP in /media/ssd/home/afustini/.ssh/known_hosts:399
Matching host key in /media/ssd/home/afustini/.ssh/known_hosts:401
Are you sure you want to continue connecting (yes/no)? yes
Debian GNU/Linux 7

BeagleBoard.org BeagleBone Debian Image 2014-05-14

Support/FAQ: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian
Last login: Thu Jun 19 17:19:15 2014 from 192.168.0.101
(reverse-i-search)`echo ': ^Cho 0 > position 
root@beaglebone:~# ls -la /sys/devices/ocp.*/48304000.epwmss/48304180.eqep/
total 0
drwxr-xr-x 3 root root    0 Jun 19 16:19 .
drwxr-xr-x 4 root root    0 Jun 19 16:19 ..
lrwxrwxrwx 1 root root    0 Jun 19 16:39 driver -> ../../../../bus/platform/drivers/eqep
-rw-r--r-- 1 root root 4096 Jun 19 16:39 enabled
-r--r--r-- 1 root root 4096 Jun 19 16:39 modalias
-rw-r--r-- 1 root root 4096 Jun 19 17:05 mode
-rw-r--r-- 1 root root 4096 Jun 19 17:05 period
-rw-r--r-- 1 root root 4096 Jun 19 17:05 position
drwxr-xr-x 2 root root    0 Jun 19 16:39 power
lrwxrwxrwx 1 root root    0 Jun 19 16:19 subsystem -> ../../../../bus/platform
-rw-r--r-- 1 root root 4096 Jun 19 16:19 uevent
root@beaglebone:~# echo bone_eqep2alt > /sys/devices/bone_capemgr.9/slots
root@beaglebone:~# echo bone_eqep2alt > /sys/devices/bone_capemgr.*/slots
root@beaglebone:~# cat /sys/devices/ocp.*/48304000.epwmss/48304180.eqep/position
333130
root@beaglebone:~# cat /sys/devices/ocp.3/48304000.epwmss/48304180.eqep/position
333130
root@beaglebone:~# cat /sys/devices/ocp.3/48304000.epwmss/48304180.eqep/position
333130
root@beaglebone:~# echo 0 > /sys/devices/ocp.3/48304000.epwmss/48304180.eqep/position
root@beaglebone:~# cat /sys/devices/ocp.3/48304000.epwmss/48304180.eqep/position
0
root@beaglebone:~# cat /sys/devices/ocp.3/48304000.epwmss/48304180.eqep/period 
100000000
root@beaglebone:~#