class ArduinoBoard(object):
""" Represents an Arduino board. """
def __init__(self, port):
from PyMata.pymata import PyMata
self._port = port
self._board = PyMata(self._port, verbose=False)
def set_mode(self, pin, direction, mode):
""" Sets the mode and the direction of a given pin. """
if mode == 'analog' and direction == 'in':
self._board.set_pin_mode(pin,
self._board.INPUT,
self._board.ANALOG)
elif mode == 'analog' and direction == 'out':
self._board.set_pin_mode(pin,
self._board.OUTPUT,
self._board.ANALOG)
elif mode == 'digital' and direction == 'in':
self._board.set_pin_mode(pin,
self._board.OUTPUT,
self._board.DIGITAL)
elif mode == 'digital' and direction == 'out':
self._board.set_pin_mode(pin,
self._board.OUTPUT,
self._board.DIGITAL)
elif mode == 'pwm':
self._board.set_pin_mode(pin,
self._board.OUTPUT,
self._board.PWM)
def get_analog_inputs(self):
""" Get the values from the pins. """
self._board.capability_query()
return self._board.get_analog_response_table()
def set_digital_out_high(self, pin):
""" Sets a given digital pin to high. """
self._board.digital_write(pin, 1)
def set_digital_out_low(self, pin):
""" Sets a given digital pin to low. """
self._board.digital_write(pin, 0)
def get_digital_in(self, pin):
""" Gets the value from a given digital pin. """
self._board.digital_read(pin)
def get_analog_in(self, pin):
""" Gets the value from a given analog pin. """
self._board.analog_read(pin)
def get_firmata(self):
""" Return the version of the Firmata firmware. """
return self._board.get_firmata_version()
def disconnect(self):
""" Disconnects the board and closes the serial connection. """
self._board.reset()
self._board.close()
class ArduinoBoard:
"""Representation of an Arduino board."""
def __init__(self, port):
"""Initialize the board."""
self._port = port
self._board = PyMata(self._port, verbose=False)
def set_mode(self, pin, direction, mode):
"""Set the mode and the direction of a given pin."""
if mode == "analog" and direction == "in":
self._board.set_pin_mode(pin, self._board.INPUT, self._board.ANALOG)
elif mode == "analog" and direction == "out":
self._board.set_pin_mode(pin, self._board.OUTPUT, self._board.ANALOG)
elif mode == "digital" and direction == "in":
self._board.set_pin_mode(pin, self._board.INPUT, self._board.DIGITAL)
elif mode == "digital" and direction == "out":
self._board.set_pin_mode(pin, self._board.OUTPUT, self._board.DIGITAL)
elif mode == "pwm":
self._board.set_pin_mode(pin, self._board.OUTPUT, self._board.PWM)
def get_analog_inputs(self):
"""Get the values from the pins."""
self._board.capability_query()
return self._board.get_analog_response_table()
def set_digital_out_high(self, pin):
"""Set a given digital pin to high."""
self._board.digital_write(pin, 1)
def set_digital_out_low(self, pin):
"""Set a given digital pin to low."""
self._board.digital_write(pin, 0)
def get_digital_in(self, pin):
"""Get the value from a given digital pin."""
self._board.digital_read(pin)
def get_analog_in(self, pin):
"""Get the value from a given analog pin."""
self._board.analog_read(pin)
def get_firmata(self):
"""Return the version of the Firmata firmware."""
return self._board.get_firmata_version()
def disconnect(self):
"""Disconnect the board and close the serial connection."""
self._board.reset()
self._board.close()
# import the API class import time from PyMata.pymata import PyMata # some constants POTENTIOMETER = 2 # this A2, an analog input BUTTON_SWITCH = 12 # a digital input to read a push button switch # Instantiate PyMata - in this case using the default '/dev/ttyACM0' value. firmata = PyMata() # Refresh, Retrieve and print Arduino Firmware version information firmata.refresh_report_firmware() print firmata.get_firmata_version() # Print PyMata's version number print firmata.get_pymata_version() # Setup pin A2 for input firmata.set_pin_mode(POTENTIOMETER, firmata.INPUT, firmata.ANALOG) # Setup pin pin 12 for the switch firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL) # Arm pin A2 for latching a value >= 678 firmata.set_analog_latch(POTENTIOMETER, firmata.ANALOG_LATCH_GTE, 678) # Arm pin 12 for latching when the pin goes high firmata.set_digital_latch(BUTTON_SWITCH, firmata.DIGITAL_LATCH_HIGH)
# import the API class import time from PyMata.pymata import PyMata # some constants POTENTIOMETER = 2 # this A2, an analog input BUTTON_SWITCH = 12 # a digital input to read a push button switch # Instantiate PyMata - in this case using the default '/dev/ttyACM0' value. firmata = PyMata() # Refresh, Retrieve and print Arduino Firmware version information firmata.refresh_report_firmware() print firmata.get_firmata_version() # Print PyMata's version number print firmata.get_pymata_version() # Setup pin A2 for input firmata.set_pin_mode(POTENTIOMETER, firmata.INPUT, firmata.ANALOG) # Setup pin pin 12 for the switch firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL) # Arm pin A2 for latching a value >= 678 firmata.set_analog_latch(POTENTIOMETER, firmata.ANALOG_LATCH_GTE, 678) # Arm pin 12 for latching when the pin goes high firmata.set_digital_latch(BUTTON_SWITCH, firmata.DIGITAL_LATCH_HIGH)
