I/O Communication Library
ahio is a communication library whose goal is to abstract the interfacing with various I/O hardwares, so that changing hardware becomes possible with minimum code modification. It's desired that an application that already works with an I/O hardware will only need pin remapping and possibly initial setup change to work with another hardware, not entire code rewrite.
It works with drivers, which are installed in the
ahio.drivers package. Every
driver must implement the API described in the
If you plan to use this library or develop a driver, read the documentation
Simplest way is to use pip:
pip3 install ahio
Alternatively you can checkout this repository and run
python3 setup.py install
# Import the package: import ahio # You can see what drivers are available in this platform by calling print(ahio.list_available_drivers()) # Instantiate the desired driver with ahio.new_driver('Arduino') as arduino: # The driver can have a driver-specific setup function. Call it as/if needed. arduino.setup('/dev/tty.usbmodem1421') # Map the pins. From now on, when you use 1 in the API, it will have effects # on pin D3 in the Arduino. If you change hardware in the future, just change # the mapping. arduino.map_pin(1, arduino.Pins.D3) arduino.map_pin(2, arduino.Pins.D13) arduino.map_pin(3, arduino.Pins.A1) # Change a pin direction (Input or Output) arduino.set_pin_direction([1, 2], ahio.Direction.Output) arduino.set_pin_direction(3, ahio.Direction.Input) # Set the output of a pin arduino.write([1, 2], ahio.LogicValue.High) arduino.write(1, 0.4, pwm=True) # Read the input of a pin print(arduino.read(3))
Documentation is hosted at GitHub
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