Display configuration tutorial

Official image version：
retropie-buster-4.7-xxxx.img

Board version：Raspberry Ri Zero/Zero 2/3B/4B/CM4

Download fbcp-ili9341 to your pi
git clone https://github.com/juj/fbcp-ili9341.git
(Make sure that you download fbcp-ili9341 under path /home/pi/)

cd fbcp-ili9341

sudo mkdir build

cd build
sudo nano ../st7735r.cpp
To change like this following picture
change madctl to 0xc0 (This is rotate 90 degree the LCD)

After changing

Set LCD resolution to 240x240

After changing

Then you need to compile this project
sudo cmake -DWAVESHARE_ST7789VW_HAT=ON -DGPIO_TFT_DATA_CONTROL=25 -DGPIO_TFT_RESET_PIN=27 -DSPI_BUS_CLOCK_DIVISOR=6 -DSTATISTICS=number ..
If all work well，you will get this following picture

sudo make -j
If all work well，you will get this following picture

If you can not compile successfully , You can download our changed project form here
fbcp-ili9341-st7789-rotate90_211209.tar.gz
Run the display driver using ：
sudo ./fbcp-ili9341
Then your LCD will display well, but the Fontsize is too small
Change the LCD display resolution

sudo nano /boot/config.txt

Add the following code

hdmi_force_hotplug=1

hdmi_group=2

hdmi_mode=1

hdmi_mode=87

hdmi_cvt 480 480 60 6 0 0 0

display_rotate=0

avoid_warnings=1

Make fbcp-ili9341 work automatically when your Pi boot

sudo nano /etc/rc.local
Add the following code
sudo /home/pi/fbcp-ili9341/build/fbcp-ili9341 &

sudo reboot
After your Pi reboot,Your LCD will display well

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