git.plutz.net Git - blast/blob - modules/display_ws5inch.mk

   1 ifndef display_rotate
   2   display_rotate := 0
   3 endif
   4
   5 ifeq "${display_rotate}" "0"
   6   display_touch_calibration := 200 3950 250 4000
   7 else ifeq "${display_rotate}" "2"
   8   display_touch_calibration := 3950 200 4000 250
   9 endif
  10
  11 define RPICONFIG +=
  12
  13 ### Waveshare 5 Inch Display ###
  14 hdmi_group=2
  15 hdmi_mode=87
  16 hdmi_cvt=800 480 60 6 0 0 0
  17 hdmi_drive=1
  18 dtoverlay=ads7846,cs=1,penirq=25,penirq_pull=2,speed=50000,keep_vref_on=0,swapxy=0,pmax=255,xohms=150,xmin=200,xmax=3900,ymin=200,ymax=3900
  19 display_rotate=${display_rotate}
  20 endef
  21
  22 define display_ws5inch_cfg :=
  23 Section "InputClass"
  24         Identifier "evdev touchscreen catchall"
  25         MatchIsTouchscreen "on"
  26         Option  "Calibration"   "${display_touch_calibration}"
  27         MatchDevicePath "/dev/input/event*"
  28         Driver "evdev"
  29 EndSection
  30 endef
  31
  32 export display_ws5inch_cfg
  33
  34 PACKAGES += xserver-xorg-input-evdev xinput xinput-calibrator
  35
  36 .PHONY: _display_ws5inch
  37 _config: _display_ws5inch
  38 _display_ws5inch: ${CFGROOT} _copy _mount
  39         mkdir -p "$${CFGROOT}/usr/share/X11/xorg.conf.d/"
  40         printf '%s\n' "$${display_ws5inch_cfg}" >"$${CFGROOT}/usr/share/X11/xorg.conf.d/45-evdev.conf"
  41         mkdir -p "$${CFGROOT}/etc/X11/Xsession.d/"
  42         printf 'xrandr --size 800x480\n' >"$${CFGROOT}/etc/X11/Xsession.d/10display_resolution"
  43         # Correct DPI scaling, although application support is mediocre
  44         mkdir -p "$${CFGROOT}/etc/X11/Xresources/"
  45         printf 'Xft.dpi: 180\n' >"$${CFGROOT}/etc/X11/Xresources/dpi_resolution"
  46         # Workaround for applications that do not handle DPI scaling correctly
  47         -sed -i 's;^Exec=;Exec=env GDK_DPI_SCALE=.5 ;' \
  48           $${CFGROOT}/usr/share/applications/chromium*.desktop \
  49           $${CFGROOT}/usr/share/applications/firefox*.desktop \
  50           $${CFGROOT}/usr/share/applications/exo-web-browser.desktop