ディスプレイ制御

https://raspberrylife.wordpress.com/2013/02/02/hdmi%E5%87%BA%E5%8A%9B%E8%A8%AD%E5%AE%9A/

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1
hdmi_force_hotplug=1

http://azmwork.tumblr.com/post/90563391369/raspbian-hdmi

# vi /etc/kbd/config
BLANK_TIME=0
POWERDOWN_TIME=0
(これは効果ない)

# vi /boot/config.txt

dtparam=spi=on
dtoverlay=piscreen,speed=16000000,rotate=90

# vi /boot/cmdline.txt

fbcon=map:10 fbcon=rotate:1 fbcon=font:ProFont6x11

# con2fbmap 1 1

対象とするLCDディスプレイ

http://www.raspberrypiwiki.com/index.php/2.2_inch_TFT_Display_SKU:398437

・Install the GPIO library and the driver

# sudo apt-get install gcc python-pygame python-dev
# sudo wget https://pypi.python.org/packages/source/R/RPi.GPIO/RPi.GPIO-0.5.11.tar.gz
# sudo tar zxvf RPi.GPIO-0.5.11.tar.gz
# cd RPi.GPIO-0.5.11
# sudo python setup.py install

・boot config

# sudo vi /boot/config.txt
dtparam=i2c_arm=on,spi=on
dtoverlay=pitft28-resistive,rotate=270,speed=48000000,fps=30
(スペースなし、カンマのみ)

・deploy cmdline.txt file to show the console

# sudo vi /boot/cmdline.txt
# add this line before "rootwait"
fbcon=map:10 fbcon=font:VGA8x8 

# vi /etc/kbd/config
BLANK_DPMS=off
POWERDOWN_TIME=0
BLANK_TIME=0

http://qiita.com/kinneko/items/0694ad1b0e4066f2685e

# vi /boot/cmdline.txt
kernelのbootoptionに "consoleblank=0”

# sudo dpkg-reconfigure console-setup
UTF-8 -> Guess optimal charset… -> Terminus -> 6x12