def __init__(self):
self.volts = float(5)
self.result_voltage = 'nan'
self.output = 'nan'
self.output0 = 'nan'
self.output1 = 'nan'
self.port_a0 = 'nan'
self.port_a1 = 'nan'
self.message = "DAQ status update"
self.board = Arduino('/dev/ttyUSB0')
self.board.digital[13].write(1)
self.it = util.Iterator(self.board)
self.it.start()
self.analog_0 = self.board.get_pin('a:0:i')
self.analog_1 = self.board.get_pin('a:1:i')
print("Stable Serial port timer")
sleep(4)
def setup_pins(self):
# Given an arduino connected to firmata, create
# variables to reference the different pins
self.arduino_inputs = {
k: self.arduino.analog[p]
for k, p in self.arduino_config["sensors_pins"].items()
}
for pin in self.arduino_inputs.values():
pin.enable_reporting()
# Get pins for door open and door close [as analog outputs]
self.speaker_commad_pin = self.arduino.get_pin('d:{}:o'.format(
self.arduino_config['tone_pin']))
self.door_open_pin = self.arduino.get_pin('d:{}:o'.format(
self.arduino_config['door_open_pin']))
self.door_status_pin = self.arduino.analog[
self.arduino_config['door_status_pin']]
# self.door_status_pin = self.arduino.get_pin('d:{}:o'.format(self.arduino_config['door_status_pin']))
# self.door_status_pin.mode = INPUT
self.door_status_pin.enable_reporting()
# start board iteration
it = util.Iterator(self.arduino)
it.start()
def open_serial(self):
self.message = "Testing running now..."
self.board = Arduino('/dev/ttyUSB0')
self.board.digital[13].write(1)
self.it = util.Iterator(self.board)
self.it.start()
print("Measure will start")
sleep(3)
self.analog_0 = self.board.get_pin('a:0:i')
self.analog_1 = self.board.get_pin('a:1:i')
sleep(2)
# self.result()
# self.result_a1()
return "Serial open successful"
def init_arduino(self):
try:
self.board = Arduino(Arduino.AUTODETECT)
except:
# pop-up window
msg = QMessageBox()
msg.setWindowTitle("arduino control")
msg.setIcon(QMessageBox.Critical)
msg.setText("problem to find the device")
x = msg.exec_()
self.iterator = util.Iterator(self.board)
self.iterator.start()
self.leftMagnet = self.board.get_pin('d:11:p') # digital ('d:13:o')
self.rightMagnet = self.board.get_pin('d:10:p') # digital ('d:12:o')
def _get_board(self,
board: Optional[str] = None,
board_type: Optional[str] = None,
baud_rate: Optional[int] = None,
timeout: Optional[float] = None):
board_name = board or self.board or Arduino.AUTODETECT
baud_rate = baud_rate or self.baud_rate
timeout = timeout or self.timeout
if board_name in self._boards:
return self._boards[board_name]
board_type = self._get_board_type(
board_type) if board_type else self.board_type
board = board_type(board_name, baudrate=baud_rate, timeout=timeout)
self.logger.info('Connected to board {}'.format(board.name))
self._boards[board_name] = board
self._board_iterators[board.name] = util.Iterator(board)
self._board_iterators[board.name].start()
return board
# Import required libraries
from pyfirmata2 import Arduino, util
from time import sleep
# Define custom function to perform Blink action
def blinkLED(pin, message):
print(message)
board.digital[pin].write(1)
sleep(1)
board.digital[pin].write(0)
sleep(1)
# Associate port and board with pyFirmata
#port = '/dev/ttyACM0'
port = '/dev/ttyS3'
#board = Arduino(Arduino.AUTODETECT)
board = Arduino(port)
# Use iterator thread to avoid buffer overflow
it = util.Iterator(board)
it.start()
# Define pins
redPin = 13
while True:
board.digital[13].write(1)
blinkLED(redPin, "message to the world")
board.digital[13].write(0)