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Commit 0f0fc1be authored by Aymeric Bernard's avatar Aymeric Bernard
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Installation instructions in README.md

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# Hermod TV Panel
## Installation
### Beginning
- Create user `hermod`: `adduser hermod`
- Put it in the same groups as pi (other than the `pi` group): `groups pi | sed 's/ /,/g'`, `usermod -a -G group1,group2,... hermod`
change `pi` and `root` passwords
- `sudo apt remove wolfram-engine minecraft-pi`
- `sudo apt autoremove`
- `sudo apt update && sudo apt upgrade && sudo reboot`
- `sudo apt install git vim screen htop`
- `sudo date -s '2018-02-15 2:26:00'` if needed
- Generate RSA key `ssh-keygen -t rsa -C "hermod.inno@gmail.com" -b 4096` and add it to gitlab
- Clone project in `~`: `git clone git@gitlab.viarezo.fr:hermod/tv_panel.git`
- `cp front/src/config.template.js front/src/config.js`
- `cp server/config.template.js server/config.js`
- Useful links: `ln -s ~/tv_panel/scripts/.screenrc ~/`, `ln -s ~/tv_panel/scripts/.vimrc ~/`
### Boot config
`vim /boot/config.txt` to comment out `dtparam=audio=on` -> `#dtparam=audio=on` and add
```
# Serial
enable_uart=1
dtoverlay=pi3-disable-bt
```
Reboot
### Download nodejs:
- `wget https://nodejs.org/dist/v9.7.1/node-v9.7.1-linux-armv6l.tar.xz` (to adapt to most recent version)
- `tar xf node-v9.7.1-linux-armv6l.tar.xz`
- `sudo mv node-v9.7.1-linux-armv6l /usr/lib/nodejs/node-v9`
- `vim .profile` to add:
```
# Nodejs
export NODEJS_HOME=/usr/lib/nodejs/node-v9
export PATH=$NODEJS_HOME/bin:$PATH
```
After reboot or log out - log in, `npm install -g yarn`
### WS2812
- Wiring: VCC -> |<diode| -> 5V, GND -> GND, Data -> (resistor ~100 ohm) -> (pin 12 / BCM 18 / PWM0)
- `sudo apt install scons`
- `git clone https://github.com/jgarff/rpi_ws281x.git && cd rpi_ws281x`
- Edit `main.c` to put good stuff (width height for testing)
- `scons`
- `sudo ./test` to test
- `follow ./python/README.md for python installation`
Script without password for sudo:
- `sudo mkdir /hermod_bin`
- `cp tv_panel/scripts/statusRGB.py /hermod_bin/`
- `sudo visudo` to add
```
# Allow the scripts here to be run without sudo password
hermod ALL=(ALL) NOPASSWD: /hermod_bin/statusRGB.py
```
### Disable screen sleeping
`vim .config/lxsession/LXDE-pi/autostart` to add
```
@xset s noblank
@xset s off
@xset -dpms
```
### RFID reader
- Wiring: VCC -> 5V, GND -> GND, RX -> TX, TX -> RX
- In `sudo raspi-config`, disable serial messages but enable serial interface
```wget https://github.com/nfc-tools/libnfc/releases/download/libnfc-1.7.1/libnfc-1.7.1.tar.bz2
tar xvjf libnfc-1.7.1.tar.bz2
cd libnfc-1.7.1
./configure --prefix=/usr --sysconfdir=/etc
make
make install
sudo mkdir /etc/nfc
sudo cp libnfc.conf.sample /etc/nfc/libnfc.conf
sudo mkdir -p /etc/nfc/devices.d
sudo cp contrib/libnfc/pn532_uart_on_rpi.conf.sample /etc/nfc/devices.d/
sudo cp contrib/udev/42-pn53x.rules /lib/udev/rules.d/
```
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