Projects / emss / Linux Scripts

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Contents

[edit] emss Interface via Network on emss Hardware 

ssh -C -X emss@152.96.232.92 /home/emss/emss/Binaries/Unix/emssInterface

[edit] Webcam Driver and Streamer 

sudo apt-get install gst-launch

[edit] Webcam image extract 

gst-launch-0.10 v4l2src ! xvimagesink
gst-launch-0.10 v4l2src ! videorate ! video/x-raw-yuv,framerate=1/1 ! jpegenc ! filesink location=out.jpg
gst-launch-0.10 v4l2src ! ffmpegcolorspace ! pngenc ! filesink location=out.png

[edit] Serial Port Test App 

sudo apt-get install minicom
mincom -p ttyUSB0

[edit] TTS Interface 

sudo apt-get install espeak
espeak -v english_rp -a 10 -p 50 -s 150 "hello world"

[edit] Start inadyn for dyndns 

sudo apt-get install inadyn
inadyn --background --username dankrusi --password PWD --update_period_sec 600 --alias emssrobot.dyndns.org

[edit] emss Startup Script Template 

#!/bin/sh

inadyn --background --username dankrusi --password PWD --update_period_sec 10 --alias emssrobot.dyndns.org

cpufreq-selector -g powersave &

/home/emss/emssframework/bin/emssInterface &

[edit] Install Startup Script

  • start is the argument given to the script (start, stop).
  • 99 is the start order of the script (1 = first one, 99= last one)
  • 2 3 4 5 are the runlevels to start 
# update-rc.d -f my_script start 99 2 3 4 5 .

[edit] G++ emssCore Build for Qt 

g++ -c -pipe -g -fPIC -Wall -W ...
  • -c do not link
  • -pipe pipe to next chaintool instead of using tmp files
  • -g produce debug info
  • -fPIC emit position independent code, for shared libraries
  • -Wall all warnings

[edit] Compile a Static Version of Qt 4.5

The following describes how to compile a static version of Qt fit for releasing emss Framework version on different OS's.

[edit] Linux

  1. Step 1: Get all the required dev libs: 
sudo apt-get install g++
sudo apt-get install libx11-dev
sudo apt-get install libxinerama-dev
sudo apt-get install libxrandr-dev
sudo apt-get install libxrender-dev
sudo apt-get install libxcursor-dev
sudo apt-get install libfontconfig-dev
sudo apt-get install libsm-dev
sudo apt-get install libgtk2.0-dev
sudo apt-get install xorg-dev
sudo apt-get install libasound2-dev
  1. Step 2: Remove dynamic libasound2 libs (so that it is statically linked): 
sudo mv /usr/lib/libasound2.so /usr/lib/_libasound2.so
sudo mv /usr/lib/libasound2.so.2 /usr/lib/_libasound2.so.2
sudo mv /usr/lib/libasound2.so.2.0.0 /usr/lib/_libasound2.so.2.0.0
  1. Step 3: Re-configure and build Qt: 
cd /opt/qtsdk-2009.02-static/qt
sudo ./configure -release -static -nomake tools -nomake examples -nomake demos -nomake docs -nomake translations -fast
sudo make sub-src
sudo make install

[edit] Windows

  1. Step 1: Re-configure and build Qt: 
cd C:\Qt\2009.01\qt\
configure -static -release -no-exceptions
mingw32-make sub-src

[edit] Get Qt dependencies for binary file 

ldd emssInterface | egrep 'qt' | cut -d' ' -f3

[edit] Blacklist internal wlan driver

In /etc/modprobe.d/blacklist add: 

blacklist rt61pci

[edit] Figuring out the Working Directory Safely 

TMP=`pwd`; cd `dirname $0`; SCRIPTS=`pwd`; cd $TMP;
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