- Step 0 - Install the Pi with the latest Raspberry Pi OS
- Step 1 - (Good practices, optional):
- Step 2 - Connect the pi to wifi.
- Step 3 - Install the required packages
- Step 4 - Run the program:
- Step 5 - Configure xDrip to connect to PI
- Step 6 - Configure Pi to connect to xdrip
- Step 7 - Install the latest version of bluepy from sources
- Step 8 - Use mdns to connect to the pi (optional)
- Appendix A- Increasing the connection range:
- Appendix B - Important screen commands (just information nothing to do):
- Appendix C - Configuring the pis to be detected by xDrip.
- Appendix D - Copying private key to raspberry pis. (optional)
- Appendix E - Configuring raspberry-pi from command line.
https://www.raspberrypi.org/software/operating-systems/
Lite version works fine but will need to enable SSH to access the terminal remotely
Go to preferences -> raspberry pi configuration:
Configure password, hostname,
On interfaces, allow ssh.
Localization, fix locale, timezone, keyboard, wifi country.
Reboot when needed.
For Lite OS you need to do this when flashing the SD card. It is no longer necessary to edit the config files manually - using Raspberry Pi Imager, you can press Ctrl+Shift+X to bring up the advanced options which allow you to configure wifi, hostname, locale and enable SSH from a GUI.
Once connected to wifi, remember the IP address that you are assigned as this will be needed for step 5.
Open terminal on rpi
sudo apt-get install -y screen python3-pip libglib2.0-dev vim git
sudo pip3 install bluepy
sudo pip3 install pymongo
sudo pip3 install dnspython
To install the program do:
git clone https://github.com/tzachi-dar/LibreAllHouse.git
cd LibreAllHouse/
git checkout libre2
To manually run the program
sudo python3 main.py
In order to run the program automatically after boot edit the file /etc/rc.local:
sudo pico /etc/rc.local
And add the line (before the exit 0 line):
/usr/bin/screen -L -Logfile /home/pi/LibreAllHouse/screen.log -dmS tomato python3 /home/pi/LibreAllHouse/main.py
Reboot the pi and look at the file /home/pi/LibreAllHouse/screen.log to see if things are working as expected.
To look at the file use:
tail -F ~/LibreAllHouse/screen.log
Ctrl+C to cancel monitoring log
-
On Hardware Data Source select ‘Libre wifi’ or ‘Libre Bluetooth + wifi’
-
On the list of receivers, enter the raspberry pis as a comma-separated list. The raspberry pi software runs on port 50005 so you need to include this in the address For example:
192.168.1.2:50005,192.168.1.6:50005
-
On the pi, inside the LibreAllHouse directory, open the config.cfg file
sudo pico config.cfg -
Change the api_secret property to be anything you like (remember this secret)
-
Save the config file
-
In xdrip, go to
Settings -> Inter-app settings. -
Enable xDrip Web Service
-
Check the box for Open Web Service
-
Enter an xDrip Web Service Secret. This should match the secret configured in the config.cfg file on your Pi
On some new installations, we had to install the latest bluepi version from code. This can be done using the following commands
sudo apt-get -y install git build-essential libglib2.0-dev
git clone https://github.com/IanHarvey/bluepy.git
cd bluepy
python3 setup.py build
sudo python3 setup.py install
sudo cp bluepy/*.py /usr/local/lib/python3.7/dist-packages/bluepy/
sudo cp ./build/lib.linux-armv7l-2.7/bluepy/bluepy-helper /usr/local/lib/python3.7/dist-packages/bluepy/bluepy-helper
sudo cp ./bluepy/bluepy-helper /usr/local/lib/python3.7/dist-packages/bluepy/bluepy-helper
- On the file /etc/avahi/avahi-daemon.conf change
publish-workstation=yes
restart the service (sudo /etc/init.d/avahi-daemon restart) or reboot after the next step.
- Disable ipv6 following this From my experience adding
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
to /etc/sysctl.conf was enough.
reboot the server and verify ipv6 is disabled.
My experience show that libre2 Bluetooth power is smaller than the miaomiao. In order to increase the
range, I have used Feasycom FSC-BP119. This Bluetooth dongle comes burned with the correct FW and has
linux drivers for it in the rpi fw. I bought it in AliExpress FEASYCOM Official Store.
More info about it can be found in these pictures.
Since program runs in screen, here are some screen commands for debugging.
To show existing screen sessions:
Screen -ls
Attach a screen session:
Screen -r [session name]
Temporarily leave screen session: CTRL-A CTRL-D
Kill a screen session: Ctrl+D
Tail
Should work by default on recent raspberry pis.
If you want to be able to ping a pi using a windows machine you will have to setup an mdns client. For example from here: https://support.apple.com/kb/DL999?locale=en_US
Full explanation can be found at: https://dvpizone.wordpress.com/2014/03/02/how-to-connect-to-your-raspberry-pi-using-ssh-key-pairs/
Here is a very short explanation.
The file .ssh/authorized_keys should have a line that was created with puttygen
The public key after saves looks like:
---- BEGIN SSH2 PUBLIC KEY ----
Comment: "rsa-key-20180419"
AAAAB3NzaC1yc2EAAAABJQAAAQEA3uY4G+v8jIRRUgp4cc0b4HwedH4hOmfFvCPc
2MtctoqZ+fBk23YIp0LPEOMhtj2DS9Qypf5SXkoTWBdj2lQXOVdxTXjqVTbsZwDH
vMz+IShVgCAxAyQXMJFE+IkVA4C0Qn68Tn1dLj7GAkrn4zJE3revI6jHr5iJCnDA
yKDjRKRlTBkSr+9DG6N1bgFamhC1CDnE/fmXTEe+16GvcgYSOSmCK1fPrJ5oSQkc
bDNNOPEYuuA9CmSXQKLlU5w+szFbO5AvFtXnS+fXAc8HSyWqF7D5hFzIgS2qCbdS
6yWkFQMy79YAguHed98ihju98yCNGvmqAIOxb2AETmDv1fcfQw==
---- END SSH2 PUBLIC KEY ----
You need to copy only:
ssh-rsa
AAAAB3NzaC1yc2EAAAABJQAAAQEA3uY4G+v8jIRRUgp4cc0b4HwedH4hOmfFvCPc
2MtctoqZ+fBk23YIp0LPEOMhtj2DS9Qypf5SXkoTWBdj2lQXOVdxTXjqVTbsZwDH
vMz+IShVgCAxAyQXMJFE+IkVA4C0Qn68Tn1dLj7GAkrn4zJE3revI6jHr5iJCnDA
yKDjRKRlTBkSr+9DG6N1bgFamhC1CDnE/fmXTEe+16GvcgYSOSmCK1fPrJ5oSQkc
bDNNOPEYuuA9CmSXQKLlU5w+szFbO5AvFtXnS+fXAc8HSyWqF7D5hFzIgS2qCbdS
6yWkFQMy79YAguHed98ihju98yCNGvmqAIOxb2AETmDv1fcfQw==
In other words remove 3 lines, and add ssh-rsa in the beginning.
Host name: https://www.howtogeek.com/167195/how-to-change-your-raspberry-pi-or-other-linux-devices-hostname/
Timezone: dpkg-reconfigure tzdata