laserkbd
A Low Cost Laser Projection Keyboard designed by RoboPeak
Full Source Code Release
NOTE: all the source code is licensed under LGPL. No warranty for the sourcecode and the related software.
dependence
Ubuntu
sudo apt-get install libopencv-dev libx11-dev libv4l-dev libcurl4-openssl-dev \
libkdtree++-dev libjsoncpp-dev libusb-1.0-0-dev scons
ArchLinux
sudo pacman -Syu
sudo pacman -S opencv libx11 v4l-utils curl jsoncpp libusbx scons
install libkdtree++
git clone git://git.debian.org/git/libkdtree/libkdtree.git
cd libkdtree
./autogen.sh
./configure --prefix=/usr
make
sudo make install
build
cd laser_kbd_neo
scons
- different keyboard layout https://github.com/xiangzhai/laserkbd/issues/2
vi ./laser_kbd_neo/SConstruct
feature_pattern_type_2 = 0
debug
gdb ./laser_kbd_neo/laser_kbd
r
if segfault
bt
set breakpoint, for example:
b ./laser_kbd_neo/src/port/linux/powervideocap_linux.cpp:41
video device whether or not support exposure
v4l2-ctl -w --all | grep exposure
keycode
sudo pacman -S xorg-xev
xev
hip keyboard too see the keycode