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Arduino code for O.L.D.

Find the server code under https://github.com/CadanoX/Hydroponics\ ARDUINO over USB is at /dev/ttyACM0 or /dev/ttyACM1

Setup Arduino Sketch on command line

Option 1: arduino-cli

Find the correct release for your system here: https://github.com/arduino/arduino-cli/releases\ Replace the name of the file to download in the following commands (e.g. ARMv6 for Raspberry Pi)

wget https://github.com/arduino/arduino-cli/releases/download/0.10.0/arduino-cli_0.10.0_Linux_ARMv6.tar.gz
sudo tar -xvf arduino-cli_0.10.0_Linux_ARMv6.tar.gz
rm arduino-cli_0.10.0_Linux_ARMv6.tar.gz
sudo mv arduino-cli /usr/local/bin/arduino-cli
arduino-cli core update-index
arduino-cli core install arduino:avr

The sketch .ino must be located in /home/pi/.../projectname and the .ino file must have the same name as the folder (e.g. projectname.ino)

Arduino Mega

arduino-cli compile --fqbn arduino:avr:mega /home/pi/projectname
arduino-cli upload -p /dev/ttyACM0 --fqbn arduino:avr:mega /home/pi/projectname

Install libraries

arduino-cli lib search onewire
arduino-cli lib install "OneWire" "DallasTemperature" "DHT_sensor_library"

Option 2: inotool

sudo apt-get install arduino
sudo apt-get install picocom
git clone git://github.com/amperka/ino.git
cd ino
sudo make install
cd ..
sudo rm -rf ino
pip install congifobj jinja2 glob2 serial

Upload the project to Arduino

  • using a mega2560
ino build
ino upload
ino serial
ctrl A + ctrl X
  • using a nano328
ino build -m mega2560
ino upload -m mega2560 -p /dev/ttyACM1
ino serial -p /dev/ttyACM1

Enable the Serial Port on Arduino

sudo chmod 666 /dev/ttyACM0
if working on Windows Linux Subsystem, COM5 is mapped to ttyS5:
sudo chmod 666 /dev/ttyS5

Possibly necessary changes to make it work

Configuration for the Arduino serial connection:

sudo stty -F /dev/ttyACM0 cs8 9600 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke noflsh -ixon -crtscts
sudo usermod -a -G dialout www-data

Serial monitor on terminal

Check that no other software is communicating on the channel

sudo lsof /dev/ttyS0
  • Screen
sudo apt-get install screen
screen /dev/ttyACM0

Exit via Ctrl + A, :, type 'quit', Enter

  • Picocom
picocom -b 115200 -r -l /dev/ttyUSB0

Exit via Ctrl + A, Ctrl + X

avrdude: stk500_recv(): programmer is not responding

make sure that no device is communicating with the Arduino, so stop the server on the Raspberry before uploading a sketch to Arduino https://learn.sparkfun.com/tutorials/how-to-install-ftdi-drivers/windows---quick-and-easy

Sensor libraries

Temperature sensor DHT22 download libraries:

Temperature sensor DS18B20

When using arduino-cli for SIMD cores, and GLIBC is outdated

sudo apt-get install dirmngr
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 04EE7237B7D453EC
sudo apt-get update && sudo apt-get upgrade libc6
sudo apt autoremove