uv4l-focal-pi/README.md
Alex Berry eb13b0f21a Typo
2020-03-01 15:32:47 +00:00

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# Step by step setup guide for pi zero w & uv4l
# Image
Download the last stretch image from here:
```
http://ftp.jaist.ac.jp/pub/raspberrypi/raspbian_lite/images/raspbian_lite-2019-04-09/2019-04-08-raspbian-stretch-lite.zip
```
And install it on your pi with a program like [Etcher](https://www.balena.io/etcher/)
# Networking & SSH
Once it's flashed, open the partition that appears and create two new files:
* ssh (blank)
* wpa_supplicant.conf
The file _ssh_ can be blank, but the contents of wpa_supplicant.conf should look as follows:
```
country=UK
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
network={
ssid="WIFI_SSID"
scan_ssid=1
psk="WIFI_PASSWORD"
key_mgmt=WPA-PSK
}
```
# Change the password
Just do eet:
```bash
pi@raspberrypi:~ passwd
```
# raspi-config
First, set up the camera, the RAM split and expand the disk with the rpi-config command:
```bash
pi@raspberrypi:~ $ sudo raspi-config
```
First set up camera with option 5:
![raspi-config-mainscreen](images/raspi-config-mainscreen.png)
Then choose P1 Camera:
![raspi-config-mainscreen](images/raspi-config-camera.png)
Then go back to the main screen and choose option 7:
![raspi-config-mainscreen](images/raspi-config-mainscreen7.png)
First Expand Filesystem A1:
![raspi-config-mainscreen](images/raspi-config-advanced-expand.png)
Then return to option 7 again and choose A3 memory split:
![raspi-config-mainscreen](images/raspi-config-advanced-memory.png)
Set this to __128mb__ and then exit raspi-config. When prompted to restart, select yes - this is to ensure the disk is resized before we updated.
# Update the system
First install screen, so that you don't have to worry about a disconnect mid update:
```bash
pi@raspberrypi:~ $ sudo apt update && sudo apt install screen -y
```
Then start screen and update:
```bash
pi@raspberrypi:~ $ screen
pi@raspberrypi:~ $ sudo apt upgrade -y
```
This will take some time...
![raspi-config-mainscreen](images/updates.png)
# UV4L Packages
Once updates are complete install uv4l packages.
First, install the gpg key for the repo, so the pi trusts it:
```bash
pi@raspberrypi:~ $ curl http://www.linux-projects.org/listing/uv4l_repo/lpkey.asc | sudo apt-key add -
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 26703 100 26703 0 0 116k 0 --:--:-- --:--:-- --:--:-- 116k
OK
```
Then add the repository to apt sources and use the _cat_ command to check the contents of the file after to confirm:
```bash
pi@raspberrypi:~ $ echo -e "\ndeb http://www.linux-projects.org/listing/uv4l_repo/raspbian/stretch stretch main" | sudo tee -a /etc/apt/sources.list
deb http://www.linux-projects.org/listing/uv4l_repo/raspbian/stretch stretch main
pi@raspberrypi:~ $ cat /etc/apt/sources.list
deb http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi
# Uncomment line below then 'apt-get update' to enable 'apt-get source'
#deb-src http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi
deb http://www.linux-projects.org/listing/uv4l_repo/raspbian/stretch stretch main
pi@raspberrypi:~ $
```
```bash
pi@raspberrypi:~ $ sudo apt install uv4l uv4l-raspicam uv4l-raspicam-extras
```
```bash
pi@raspberrypi:~ $ sudo reboot
```