DLPDLCR230NPEVM: 与树莓派4的通信问题

# For more options and information see
# http://rpf.io/configtxt
# Some settings may impact device functionality. See link above for details

# #########################################
# DO NOT MODIFY THE LINES BELOW THIS POINT
# #########################################

# 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=2
hdmi_mode=82

# 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

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

# Uncomment this to enable infrared communication.
#dtoverlay=gpio-ir,gpio_pin=17
#dtoverlay=gpio-ir-tx,gpio_pin=18

# #########################################
# DO NOT MODIFY THE LINES ABOVE THIS POINT
# #########################################

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
dtparam=spi=on

# Configure Raspberry PI for SSH over USB
dtoverlay=dwc2

# Configure I2C on GPIO Pins #22 and #23
dtoverlay=i2c-gpio,i2c-gpio_sda=23,i2c_gpio_scl=22,i2c_gpio_delay_us=2

# Configure DPI on GPIO Pins #0 through #21
gpio=0=op
gpio=0=pn
gpio=1-27=ip
gpio=1-27=pn


# Enable DPI18 Overlay
enable_dpi_lcd=1
display_default_lcd=1
dpi_group=2
dpi_mode=87

# Configure DPI Video Timings
# RGB 666 CFG 1 (MODE 5)
dpi_output_format=458773 

# 58 Hz Timings (Low-End Spec)
# Works at GPIO DRIVE 5-7
hdmi_timings=1920 0 20 10 10 1080 0 10 10 10 0 0 0 58 0 125000000 3

# NOTE: GPIO PINS #24 - #27 ARE DRIVEN SEPARATELY BY WiringPi SOFTWARE

[pi4]
# Enable DRM VC4 V3D driver on top of the dispmanx display stack
#dtoverlay=vc4-fkms-v3d
#max_framebuffers=2

[all]
#dtoverlay=vc4-fkms-v3d