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https://github.com/aidatorajiro/rpizero-linux-build

This is a script to build a custom raspberry pi kernel, including a kernel patch to fix dwc2 wakeup issue.
https://github.com/aidatorajiro/rpizero-linux-build

dwc2 hid linux-kernel raspberry-pi

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This is a script to build a custom raspberry pi kernel, including a kernel patch to fix dwc2 wakeup issue.

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# Raspberry pi zero kernel build tool & other scripts



This is a script to build a custom raspberry pi kernel, including a kernel patch to fix dwc2 wakeup issue. I haven't tested, but probably works for Pi4 or Pi5.



Also, the directory `raspi_scripts` contains utilities to setup HID keyboard, RNDIS or ECM. Using a python library by @Danny-Dasilva ()



Patch reference:   



1. (if you are using selinux, run this script to allow write access from docker) `sudo sh selinux.sh`

1. `sh download.sh`

1. `sh docker.sh`

1. (inside docker) `cd /rpizero-linux-build`

1. (inside docker) `sh clean.sh`

1. (inside docker) `sh build.sh`

1. (inside docker) `exit`

1. Create a file named `names.sh` and set the contents as follows.

   ```

   MYHOSTNAME=

   MYUSERNAME=

   MY_KERNEL_SUFFIX=wakeup

   MY_KERNEL_NAME=kernel-$MY_KERNEL_SUFFIX

   ```

1. `sh pack.sh`

1. `sh packsend.sh` make sure you have SSH access to the rpi zero and it is connected to the local network.  Alternatively, you can just copy generated files at `install/` to the SD card. First, copy `boot/firmware` into `/` of the EFI partition (usually the first partition). Second, copy `lib/modules` into `lib/modules` of the root partition (usually the second partition). Beware of file ownership. All files should be owned by `root`.

1. ssh into the rpizero and edit `/boot/firmware/config.txt`. Add following lines to the boot configuration. Alternatively, you can edit the SD. The file is at `/config.txt` in the EFI partition. If anything wrong happens (eg. the system doesn't start), please edit SD directly and delete these lines to revert all changes made to the system.

   ```

   [all]

   dtoverlay=dwc2

   kernel=kernel-wakeup.img

   ```

1. ssh into the rpizero and reboot



## scripts and configs for rpi zero



- `raspi_scripts/`: scripts to be run inside raspberry pi

   - `etc/rc.local`: rc file to enable HID mouse and keyboard on startup

   - `home/someusername`: scripts to control USB device

      - `keyboard2.py`: control HID keyboard via command line  

         Example1 : `p CONTROL ALT DEL`  

         Example2 : `p ALT F4`  

         Example3 : `p DOWN_ARROW`  

         Example4 : `w sometext12345`

   - `root/`: scripts to enable HID/Ether feature on startup

      - `geth.sh`: Enable an old driver for ethernet over USB using RNDIS. On windows, you have to install a special driver to connect to the rpi zero. Go to , and download the driver file named "Acer Incorporated. - Other hardware - USB Ethernet/RNDIS Gadget". On linux, it works without any configration.

      - `hid-and-eth.sh`: enable both HID and Ethernet-over-USB at the same time using a new driver. Unfortunately, there is no signed Windows driver for it.

      - `hid-double.sh`: enable both HID keyboard and Mouse.

      - `hid.sh`: enable only HID keyboard.

      - `remove.sh`: unloads all drivers so that you can use any of these scripts again. very unstable, so it is better to restart the rpi zero instead.



- `host_scripts/`: scripts to be run from the remote computer that will control raspberry pi

  - `qt.py`: Use PyQt5 to synchronize keyboard input and mouse movement  

    USAGE: Alt+G to toggle mouse grabbing. After switching mouse grabbing on, just type text or moving mouse. Note that on MacOS, CTRL is interpreted as COMMAND/WINDOWS key, and COMMAND/WINDOWS is interpreted as CTRL key.

  - `mouse.py`: Use Xlib to synchronize mouse movement