Wednesday, September 30, 2015

How to Disable Power Management of rtl8192cu

Fix problem wireless disconnect and go to save mode.

Create file /etc/modprobe.d/8192cu.conf

$ sudo nano /etc/modprobe.d/8192cu.conf

add this line

options 8192cu rtw_power_mgnt=0 rtw_enusbss=0


Restart raspberry pi



Reference :

https://github.com/xbianonpi/xbian/issues/217

https://github.com/pvaret/rtl8192cu-fixes/blob/master/8192cu-disable-power-management.conf

DLNA/UPnP with MiniDLNA

How to build DLNA/UPnP Server on Raspberry PI for use at Home device.
(Example TV, Media player, PS3, Xbox etc.)


Install minidlna package

$ sudo apt-get install minidlna


Add pi user to minidlna group

$ sudo usermod -a -G minidlna pi

Create Directory for store media file

Example:

$ mkdir -p /home/pi/minidlna/music
$ mkdir -p /home/pi/minidlna/pictures
$ mkdir -p /home/pi/minidlna/videos
$ mkdir -p /home/pi/.minidlna

Change Mode of /home/pi/minidlna and /home/pi/.minidlna
$ sudo chmod 777 /home/pi/minidlna
$ sudo chmod 777 /home/pi/.minidlna

Config MiniDLNA

$ sudo nano /etc/minidlna.conf

Modify this file
...
db_dir=/home/pi/.minidlna/data
log_dir=/home/pi/.minidlna/data/log
# * "A" for audio (eg. media_dir=A,/var/lib/minidlna/music)
# * "P" for pictures (eg. media_dir=P,/var/lib/minidlna/pictures)
# * "V" for video (eg. media_dir=V,/var/lib/minidlna/videos)
media_dir=A,/home/pi/minidlna/music
media_dir=P,/home/pi/minidlna/pictures
media_dir=V,/home/pi/minidlna/videos
# Name that the DLNA server presents to clients.
friendly_name=RASPBERRY DLNA
# Automatic discovery of new files in the media_dir directory.
inotify=yes
# Notify interval, in seconds.notify_interval=895...

Restart MiniDLNA Service

$ sudo /etc/init.d/minidlna restart

Or re-indexing all of media files

$ sudo /etc/init.d/minidlan force-reload



Test on Device supported with DLNA/UPnP to play media.




Reference:

Digital Living Network Alliance
https://en.wikipedia.org/wiki/Digital_Living_Network_Alliance

ReadyMedia (MiniDLNA Source Code)
http://sourceforge.net/projects/minidlna/

ReadyMedia (Wiki of Archlinux)
https://wiki.archlinux.org/index.php/ReadyMedia