RPiLCD035TP


Raspberry Piに接続して画面に表示するために使用する。
※Raspberry Pi 2での表示はできましたが、タッチスクリーンの部分はまだ動作確認できていません。

設定方法:その1(※イメージファイルを使用)


以下のURLにあるイメージファイルをダウンロードする。


rar形式で圧縮されているので、解凍ツールで解凍する。

Win32DiskImagerを使用して、SDカードに書き込む。

書き込んだSDカードをRaspberry Piに差し込んで、電源をONにする。



設定方法:その2 (※Raspberry Pi 2での設定)


SPIの有効化

sudo raspi-config

「8 Advanced Options」を選択

「A6 SPI」を選択

Would you like the SPI interface to be enabled?
<Yes>を選択

The SPI interface is enabled
<OK>を選択

Would you like the SPI kernel module to be loaded by default?
<Yes>を選択

SPI kernel module will now be loaded by default
<OK>を選択

<Finish>を選択して終了

ファイルの編集(/usr/share/X11/xorg.conf.d/99-fbturbo.conf)

変更前

# This is a minimal sample config file, which can be copied to
# /etc/X11/xorg.conf in order to make the Xorg server pick up
# and load xf86-video-fbturbo driver installed in the system.
#
# When troubleshooting, check /var/log/Xorg.0.log for the debugging
# output and error messages.
#
# Run "man fbturbo" to get additional information about the extra
# configuration options for tuning the driver.

Section "Device"
      Identifier      "Allwinner A10/A13 FBDEV"
       Driver          "fbturbo"
Option "fbdev" "/dev/fb0"

      Option          "SwapbuffersWait" "true"
EndSection


変更後

# This is a minimal sample config file, which can be copied to
# /etc/X11/xorg.conf in order to make the Xorg server pick up
# and load xf86-video-fbturbo driver installed in the system.
#
# When troubleshooting, check /var/log/Xorg.0.log for the debugging
# output and error messages.
#
# Run "man fbturbo" to get additional information about the extra
# configuration options for tuning the driver.

Section "Device"
      Identifier      "Allwinner A10/A13 FBDEV"
       Driver          "fbturbo"
Option "fbdev" "/dev/fb1"

      Option          "SwapbuffersWait" "true"
EndSection


ドライバのインストール

sudo REPO_URI=https://github.com/notro/rpi-firmware rpi-update
sudo reboot
sudo apt-get install xinput evtest libts-bin

ファイルの編集(/etc/modules)

変更前

# /etc/modules: kernel modules to load at boot time.
#
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with "#" are ignored.
# Parameters can be specified after the module name.

snd-bcm2835

変更後

# /etc/modules: kernel modules to load at boot time.
#
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with "#" are ignored.
# Parameters can be specified after the module name.

snd-bcm2835
flexfb width=320 height=480 regwidth=16 init=-1,0xb0,0x0,-1,0x11,-2,250,-1,0x3A,0x55,-1,0xC2,0x44,-1,0xC5,0x00,0x00,0x00,0x00,-1,0xE0,0x0F,0x1F,0x1C,0x0C,0x0F,0x08,0x48,0x98,0x37,0x0A,0x13,0x04,0x11,0x0D,0x00,-1,0xE1,0x0F,0x32,0x2E,0x0B,0x0D,0x05,0x47,0x75,0x37,0x06,0x10,0x03,0x24,0x20,0x00,-1,0xE2,0x0F,0x32,0x2E,0x0B,0x0D,0x05,0x47,0x75,0x37,0x06,0x10,0x03,0x24,0x20,0x00,-1,0x36,0x28,-1,0x11,-1,0x29,-3
fbtft_device debug=3 rotate=90 name=flexfb speed=16000000 gpios=reset:25,dc:24
ads7846_device model=7846 cs=1 gpio_pendown=17 keep_vref_on=1 swap_xy=1 pressure_max=255 x_plate_ohms=60 x_min=200 x_max=3900 y_min=200 y_max=3900


ファイルの編集(/boot/config.txt)

変更前

# For more options and information see
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

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

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

dtparam=spi=on


変更後

# For more options and information see
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

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

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

dtparam=spi=on
gpu_mem=128


ファイルの編集(/boot/cmdline.txt)

変更前

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait


変更後

dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait fbcon=map:10 fbcon=font:VGA8x8


ファイルの編集(/etc/inittab)


変更前
1:2345:respawn:/sbin/getty --noclear 38400 tty1
2:23:respawn:/sbin/getty 38400 tty2
3:23:respawn:/sbin/getty 38400 tty3
4:23:respawn:/sbin/getty 38400 tty4
5:23:respawn:/sbin/getty 38400 tty5
6:23:respawn:/sbin/getty 38400 tty6

変更後
#1:2345:respawn:/sbin/getty --noclear 38400 tty1
1:2345:respawn:/bin/login -f pi tty1 </dev/tty1 >/dev/tty1 2>&1
2:23:respawn:/sbin/getty 38400 tty2
3:23:respawn:/sbin/getty 38400 tty3
4:23:respawn:/sbin/getty 38400 tty4
5:23:respawn:/sbin/getty 38400 tty5
6:23:respawn:/sbin/getty 38400 tty6



ファイルの編集(/etc/rc.local)


変更前
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# Print the IP address
_IP=$(hostname -I) | | true
if [ "$_IP" ]; then
printf "My IP address is %s\n" "$_IP"
fi

exit 0

変更後

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# Print the IP address
_IP=$(hostname -I) | | true
if [ "$_IP" ]; then
printf "My IP address is %s\n" "$_IP"
fi

FRAMEBUFFER=/dev/fb1 startx

exit 0

ここで再起動すれば、LCDに表示されます。

ここからはまだ動作確認が出来ていないので、作業メモです。


タッチスクリーンの設定

ドライバのインストール

sudo apt-get -y install xinput evtest libts-bin

ファイルの編集(/usr/share/X11/xorg.conf.d/99-calibration.conf)


Section "InputClass"
      Identifier      "calibration"
       MatchProduct    "ADS7846 Touchscreen"
       Option  "Calibration"   "3932 300 294 3801"
       Option  "SwapAxes"      "0"
EndSection


ファイルの作成(/etc/udev/rules.d/95-stmpe.rules)


SUBSYSTEM=="input", ATTRS{name}=="ADS7846 Touchscreen", ENV{DEVNAME}=="*event*", SYMLINK+="input/touchscreen"


再起動

sudo reboot


  • 最終更新:2015-05-12 20:17:32

このWIKIを編集するにはパスワード入力が必要です

認証パスワード