gadget_cdrom

Requirements

• Requires Raspberry Pi Zero (W)
• Waveshare 1.3inch OLED HAT
• Raspbian buster

Description

• gadget_cdrom converts your Raspberry Pi to virtual usb cdrom.
• https://video.ploud.fr/videos/watch/6d0b1014-bb39-4714-a984-15a24a9ac58e

Usage

• You can switch between HDD mode, virtual cdrom mode, and virtual flash drive mode.
• HDD mode - in that mode your Raspberry Pi is basically USB flash drive connected to your computer.
• CD mode - in that mode you select some iso you uploaded to Raspberry Pi in HDD mode, and the rpi will pretend to be that cdrom.
• USB mode - the rpi will pretend to be a flash drive, presenting the usb .img you selected.

Keys

• Key1 - Activate selected image
• Key2 - Deactivate image
• Key3 - Change mode
• Joystick Down - next image
• Joystick Up - previous image

Installation

Install dependecies

sudo apt install -y p7zip-full python3-rpi.gpio python3-smbus python3-spidev \
                    python3-numpy python3-pil fonts-dejavu ntfs-3g

Prepare storage

# sudo ./create_image.sh
Space available: 24G
Size, e.g. 16G? 8G"
Creating 8G image...
Done!

Load modules after boot

• Add dtoverlay=dwc2 to /boot/config.txt
• Add dwc2 to /etc/modules
• Enable SPI

sudo raspi-config
Interfacing Options
SPI
Yes

Install gadget_cdrom

• Clone gadget_cdrom

cd /opt
sudo git clone https://github.com/tjmnmk/gadget_cdrom.git

• Enable systemd service:

sudo ln -s /opt/gadget_cdrom/gadget_cdrom.service /etc/systemd/system/gadget_cdrom.service
sudo systemctl enable gadget_cdrom.service

• reboot rpi

sudo reboot