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Hendrik Langer
8f40cbc3fd
|
6 years ago | |
---|---|---|
cad | 6 years ago | |
doc | 6 years ago | |
raspberry-environment | 6 years ago | |
windows-snapshot-tool | 6 years ago | |
README.md | 6 years ago |
README.md
Usage
Instructions
- Plug HDMI into Beamer
- Plug USB into Computer
- booting the Raspberry takes approximately ?? seconds. the ?? led will light up when ready
- start freeze.exe from the (now attached) USB-Drive
- press WindowsKey+Y to take a screenshot
- simply unplug after use
Initial setup
Parts
- Mini-HDMI <-> HDMI Adapter
- Mini-USB <-> USB A Cable
- Micro-SD-Card >= 2GB
- Raspberry Pi Zero or Zero W or Model A (Model B/2B/3 not supported!)
Hardware
______________________
| :::::::::::::::::::: |
| |
|_HDMI________USB__PWR_|
| | nc
v v
Beamer PC
Build windows snapshot-tool
cd windows-snapshot-tool mkdir build && cd build cmake -DCMAKE_TOOLCHAIN_FILE=../Toolchain-cross-mingw32-linux.cmake ../ make
prepare raspberry pi
install raspbian lite
sudo raspi-config
- ??
- ??
sudo su - apt update apt dist-upgrade apt install python3-pyinotify python3-rpi.gpio apt clean
echo "dtoverlay=dwc2" >> /boot/config.txt
copy everything to /opt/freezer/ add to /etc/rc.local: python3 /opt/freezer/display.py
read-only root
wget https://raw.githubusercontent.com/adafruit/Raspberry-Pi-Installer-Scripts/master/read-only-fs.sh
sudo bash read-only-fs.sh
- continue: y
- jumper: n
- gpio-halt: n
- watchdog: n
- continue: y
this is how to remount read-write later to make changes to the fs
mount -o remount,rw / mount -o remount,rw /boot
ToDo
- readonly-root
- dritte led für boot?
- screenshot-tool option für sofortigen screenshot