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‎wiki/7110-dev-board-note.md‎

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# Upgrade bootloader and firmware
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for os image 69 and later
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https://forum.rvspace.org/t/visionfive-2-debian-image-december-released/1097/43?page=2
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https://github.com/starfive-tech/VisionFive2/releases/ download latest sdcard.img, dd to sd card, then hdmi or serial port wait for the system to start
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## Flash files
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```
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flashcp -v u-boot-spl.bin.normal.out /dev/mtd0
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flashcp -v visionfive2_fw_payload.img /dev/mtd1
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```
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## 7110 full os large mirror address
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https://debian.starfivetech.com/

‎wiki/Compile-Devterm-CM4-kernel.md‎

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# System
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ubuntu 22.04 gcc8.4.0
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```
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sudo apt install gcc-8 gcc-8-aarch64-linux-gnu gcc-8-arm-linux-gnueabihf
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```
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# Download patch
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```
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git clone https://github.com/clockworkpi/DevTerm.git
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```
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# Download kernel and patch it
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```
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git clone https://github.com/raspberrypi/linux
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cd linux
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git checkout 3a33f11c48572b9dd0fecac164b3990fc9234da8
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cp ~/DevTerm/Code/patch/cm4/cm4_kernel_0704.patch .
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git apply cm4_kernel_0704.patch
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#Strongly recommend to use gcc 8.4.0 as the cross compiler
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KERNEL=kernel7l make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- bcm2711_defconfig
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KERNEL=kernel7l make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j1
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INSTALL_MOD_PATH=./modules make modules_install
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rm modules/lib/modules/*/build
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rm modules/lib/modules/*/source
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mkdir output
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mkdir output/boot
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mkdir output/lib/modules -p
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mkdir output/boot/overlays
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cp -rf modules/lib/modules/5.10.17-v7l+ output/lib/modules/
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cp arch/arm/boot/dts/overlays/*.dtbo output/boot/overlays/
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cp arch/arm/boot/dts/bcm2711-rpi-cm4.dtb output/boot/
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cp arch/arm/boot/zImage output/boot/kernel7l.img
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```
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output is the folder contains all kernel stuff
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# config.txt
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```
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disable_overscan=1
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dtparam=audio=on
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[pi4]
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dtoverlay=vc4-fkms-v3d
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max_framebuffers=2
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[all]
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dtoverlay=dwc2,dr_mode=host
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dtoverlay=vc4-kms-v3d-pi4,cma-384
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dtoverlay=devterm-pmu
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dtoverlay=devterm-panel
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dtoverlay=devterm-misc
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dtoverlay=audremap,pins_12_13
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dtparam=spi=on
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gpio=10=ip,np
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```

‎wiki/Compile-and-run-devterm-printer.md‎

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# a06 a04
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```
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git clone https://github.com/clockworkpi/DevTerm.git
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sudo systemctl stop devterm-socat devterm-printer
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sudo apt remove devterm-wiringpi-cpi
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cd DevTerm/Code/devterm_wiringpi_cpi/
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sudo ./build
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cd ~/DevTerm/Code/thermal_printer/
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sudo apt install -y libfreetype-dev
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make
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‎wiki/Compile-andriod-kernel-for-cm4.md‎

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# Download kernel source for andriod of rpi4
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**sync-andriod-kernel.sh**
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```
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#!/bin/bash
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BIN_DIR=$HOME/bin
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REPO_PATH=$BIN_DIR/repo
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if [ ! -d $BIN_DIR ]
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then
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mkdir $BIN_DIR
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add_path_env $BIN_DIR
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curl https://storage.googleapis.com/git-repo-downloads/repo > $REPO_PATH
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chmod a+x $REPO_PATH
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else
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echo "folder already exits. $BIN_DIR"
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fi
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export PATH=$PATH:$BIN_DIR
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cd /data/andriod-kernel
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repo init -u https://github.com/android-rpi/kernel_manifest -b arpi-5.10
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repo sync
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```
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# Compile
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```
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cd /data/andriod-kernel/
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./build/build.sh
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```
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# Replace files
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```
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sudo losetup --show -f -P lineage-19.1-20220511-UNOFFICIAL-KonstaKANG-rpi4.img # assume /dev/loop0
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sudo mount /dev/loop0p1 /mnt/p1
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# Copy kernel binaries to boot partition
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cp -rf /data/andriod-kernel/out/arpi-5.10/dist/Image to /mnt/p1
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cp -rf /data/andriod-kernel/out/arpi-5.10/dist/bcm2711-rpi-*.dtb /mnt/p1
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cp -rf /data/andriod-kernel/out/arpi-5.10/dist/vc4-kms-v3d-pi4.dtbo to /mnt/p1/overlays/
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sudo umount /mnt/p1
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sudo losetup -D /dev/loop0
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```
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# Reference Url
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* https://github.com/android-rpi/kernel_manifest
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* https://github.com/android-rpi/device_arpi_rpi4

‎wiki/Compile-keyboard-bootloader-and-firmware.md‎

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# Build bin
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```
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git clone https://github.com/rogerclarkmelbourne/STM32duino-bootloader
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cd STM32duino-bootloader
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make generic-pc13
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```
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this will produce `bootloader_only_binaries/generic_boot20_pc13.bin`
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## Convert bootloader to hex format
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using `srec_cat` to convert
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windows: http://srecord.sourceforge.net/
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linux: sudo apt install srecord
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```
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srec_cat bootloader_only_binaries/generic_boot20_pc13.bin -Binary -offset 0x08000000 -output bootloader_only_binaries/generic_boot20_pc13.hex -Intel
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```
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## Next is to use stm32Cube to flash the bootloader
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* Download the stm32cube programmer
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[stm32cube programmer](https://www.st.com/en/development-tools/stm32cubeprog.html)
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* Put 1 ON in the back of keyboard
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* Connect keyboard with a usb-serial convert by fpc, in order of [IO MAP](https://github.com/clockworkpi/DevTerm/wiki/Keyboard-with-FPC-60pin-0.5mm)
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* Click connect on STM32cube programmer
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* flash it
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![2022-09-26_13-04](https://user-images.githubusercontent.com/523580/192197890-dcb6d6fc-0ef5-4870-b9d3-ae03fc5f5110.png)
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![2022-09-26_13-04_1](https://user-images.githubusercontent.com/523580/192197900-c7f8b448-3812-403f-b7b0-728248533790.png)
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![2022-09-26_13-09](https://user-images.githubusercontent.com/523580/192198205-8edecc5f-c30e-4837-8b3c-7f97c97ba40a.png)
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# Flash Arudino
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## Arduino IDE
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* add stm32duino pacakage index in **Preference panel** : http://dan.drown.org/stm32duino/package_STM32duino_index.json as **Additional Boards Manager URLs:** and install STM32F1xx/GD32F1xx boards
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![image](https://user-images.githubusercontent.com/523580/192198944-fd0fbf55-0977-42bb-9256-f7bcdf331466.png)
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* verbose all outputs:
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![image](https://user-images.githubusercontent.com/523580/192198967-d4738c42-897e-412a-b630-afab45d274c3.png)
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* Select upload method ,board type is **Generic STM32F103R series **
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![image](https://user-images.githubusercontent.com/523580/192198991-9757e354-c8ec-4859-95e9-dba732773fb1.png)
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* Set cpu mhz to 48Mhz
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![image](https://user-images.githubusercontent.com/523580/192199043-7f877adb-830e-4323-8799-06e115843b46.png)
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* Put 1 OFF in the back of keyboard
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* User arduino IDE to open [devterm_keyboard.ino](https://github.com/clockworkpi/DevTerm/blob/main/Code/devterm_keyboard/devterm_keyboard.ino)
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* flash it
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![image](https://user-images.githubusercontent.com/523580/192199494-8778bfcc-fcff-4bd0-9f51-f034a080f981.png)
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# CN version
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https://shimo.im/docs/Tc8RVQWdjvXtwhYv/ 《GD32f103rgt6/CKSF103R* 与stm32duino bootloader》
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custom keyboard:
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https://forum.clockworkpi.com/t/keyboard-stuck-in-bootloader-mode/8830/11
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‎wiki/Compile-lineage-os-19.1-kernel-for-rpi4(cm4).md‎

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# Prepare
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```
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mkdir -p ~/data/andriod
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mkdir -p ~/data/github/lineage-rpi
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cd ~/data/github/lineage-rpi
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git clone https://github.com/lineage-rpi/android_kernel_brcm_rpi -b lineage-19.1
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git clone https://github.com/lineage-rpi/proprietary_vendor_brcm -b lineage-19.1
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cd ~/data/andriod
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git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9 -b pie-release
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```
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# Fix firmware path
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edit `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/configs/lineageos_rpi4_defconfig` line 1537
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to be
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`CONFIG_EXTRA_FIRMWARE_DIR="/home/cpi/data/github/lineage-rpi/proprietary_vendor_brcm/rpi4/proprietary/vendor/firmware"`
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# Compile
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```
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cd ~/data/github/lineage-rpi/android_kernel_brcm_rpi
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```
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create **m.sh** with content like:
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```
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#!/bin/bash
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export PATH=/home/cpi/data/andriod/aarch64-linux-android-4.9/bin:$PATH
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ARCH=arm64 CROSS_COMPILE=aarch64-linux-androidkernel- make lineageos_rpi4_defconfig
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ARCH=arm64 CROSS_COMPILE=aarch64-linux-androidkernel- make Image dtbs -j1
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```
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```
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chmod +x m.sh
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./m.sh # start kernel compile
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```
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# Replace files
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copy
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* bcm2711-rpi-400.dtb
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* bcm2711-rpi-4-b.dtb
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* bcm2711-rpi-cm4.dtb
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* bcm2711-rpi-cm4s.dtb
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from `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/dts/broadcom/` to lineage os image boot partition
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copy `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/Image` to to lineage os image boot partition
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copy `~/data/github/lineage-rpi/android_kernel_brcm_rpi/arch/arm64/boot/dts/overlays/vc4-kms-v3d.dtbo` to to lineage os image boot partition/overlays
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# Kernel config
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https://gist.github.com/cuu/92bfa28a9b6de421834e5f9f408a12a4

‎wiki/Compile-the-widescreen-version-of-Cave-Story-from-the-source-code.md‎

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# Compile the widescreen version of Cave Story from the source code
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### Install the necessary packages:
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```
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sudo apt update
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sudo apt install build-essential libpng-dev libjpeg-dev make cmake cmake-data git libsdl2-dev libsdl2-doc libsdl2-gfx-dev libsdl2-gfx-doc libsdl2-image-dev libsdl2-mixer-dev libsdl2-net-dev libsdl2-ttf-dev cmake -y -qq
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```
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### Compile the engine (it takes about 1 hour):
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```
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cd ~
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git clone https://github.com/nxengine/nxengine-evo
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```
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### Modified to the widescreen version:
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`vim ~/nxengine-evo/src/graphics/Renderer.cpp`
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### Edit the 225 line and save and exit the following line
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```
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{(char *)"1280x480", 1280, 480, 640, 240, 2, true, true},
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```
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```
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cd nxengine-evo
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mkdir build
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cd build
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cmake -DCMAKE_BUILD_TYPE=Release ..
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make
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cd ~/nxengine-evo
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wget https://www.cavestory.org/downloads/cavestoryen.zip
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unzip cavestoryen.zip
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cp -r CaveStory/data/* data/
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cp CaveStory/Doukutsu.exe .
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./build/nxextract
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cd build
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sudo make install
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```
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### Confirm that the original version can run normally:
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`./nxengine-evo`
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### Run the modified version:
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`./nxengine-evo`
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### After running, press the Esc key, enter Options->Graphics, select the resolution as 1280x480, and open the full screen.
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### Reinstall after confirming that there is no problem:
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```
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cd ~/nxengine-evo/build
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sudo make install
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```
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You can use the command **nxengine-evo **to run the game in any directory

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