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52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
import time
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import serial
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class SolenoidValve:
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def __init__(self, io_device_port: str):
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self._status = "Idle"
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self._valve_position = "OPEN"
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self.io_device_port = io_device_port
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try:
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self.hardware_interface = serial.Serial(str(io_device_port), 9600, timeout=1)
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except serial.SerialException:
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# raise Exception(f"Failed to connect to the device at {io_device_port}")
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self.hardware_interface = str(io_device_port)
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@property
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def status(self) -> str:
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return self._status
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@property
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def valve_position(self) -> str:
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return self._valve_position
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def send_command(self, command):
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self.hardware_interface.write(command)
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def read_data(self):
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return self.hardware_interface.read()
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def get_valve_position(self) -> str:
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self._valve_position = "OPEN" if self.read_data() else "CLOSED"
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return self._valve_position
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def set_valve_position(self, position):
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self._status = "Busy"
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self.send_command(1 if position == "OPEN" else 0)
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time.sleep(5)
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self._status = "Idle"
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def open(self):
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self._valve_position = "OPEN"
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def close(self):
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self._valve_position = "CLOSED"
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def is_open(self):
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return self._valve_position
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def is_closed(self):
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return not self._valve_position
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