Hi,
I have just bought a Waveshare 5" DSI screen runningn from a RPI 3B, I have a picture frame running via OS Lite and it works well on the HDMI output. Albeit that I need to rotate the display.
My question is how do I get it display the correct reoslutiuon (800x480) in portrait mode (rotated) - I assume its something I need to change in the config.txt file (root) and have added the Waveshare info (at bottom of config file) but I cannot figure out how to get it to display the correct 480x800 and rotate the display to show in portrait not alndscape, etc any help would be appreciated.
I have added display_rotate=1 to bottom of config file as well.
------------------------------------------------------------------
CONFIG FILE BELOW:
# For more options and information see
# http://www.raspberrypi.org/documentatio ... fig-txt.md
# 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=480
framebuffer_height=800
# 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
# Uncomment some or all of these to enable the optional hardware interfaces
dtparam=i2c_arm=on
#dtparam=i2s=on
dtparam=spi=on
enable_uart=1
# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi
# Additional overlays and parameters are documented /boot/overlays/README
# Enable audio (loads snd_bcm2835)
dtparam=audio=on
dtoverlay=waveshare35a
#dtoverlay=ads7846,cs=1,penirq=17,penirq_pull=2,speed=1000000,keep_vref_on=1,swapxy=1,pmax=255,xohms=60,xmin=200,xmax=3900,ymin=200,ymax=3900
hdmi_force_hotplug=1
#max_usb_current=1
hdmi_group=2
hdmi_mode=1
hdmi_mode=87
hdmi_cvt 480 800 60 6 0 0 0
hdmi_drive=2
video=DSI-1:800x480@60,rotate=90
I have just bought a Waveshare 5" DSI screen runningn from a RPI 3B, I have a picture frame running via OS Lite and it works well on the HDMI output. Albeit that I need to rotate the display.
My question is how do I get it display the correct reoslutiuon (800x480) in portrait mode (rotated) - I assume its something I need to change in the config.txt file (root) and have added the Waveshare info (at bottom of config file) but I cannot figure out how to get it to display the correct 480x800 and rotate the display to show in portrait not alndscape, etc any help would be appreciated.
I have added display_rotate=1 to bottom of config file as well.
------------------------------------------------------------------
CONFIG FILE BELOW:
# For more options and information see
# http://www.raspberrypi.org/documentatio ... fig-txt.md
# 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=480
framebuffer_height=800
# 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
# Uncomment some or all of these to enable the optional hardware interfaces
dtparam=i2c_arm=on
#dtparam=i2s=on
dtparam=spi=on
enable_uart=1
# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi
# Additional overlays and parameters are documented /boot/overlays/README
# Enable audio (loads snd_bcm2835)
dtparam=audio=on
dtoverlay=waveshare35a
#dtoverlay=ads7846,cs=1,penirq=17,penirq_pull=2,speed=1000000,keep_vref_on=1,swapxy=1,pmax=255,xohms=60,xmin=200,xmax=3900,ymin=200,ymax=3900
hdmi_force_hotplug=1
#max_usb_current=1
hdmi_group=2
hdmi_mode=1
hdmi_mode=87
hdmi_cvt 480 800 60 6 0 0 0
hdmi_drive=2
video=DSI-1:800x480@60,rotate=90
Statistics: Posted by Spyhunter — Mon Feb 17, 2025 3:10 pm — Replies 5 — Views 84