45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
import serial
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import logging
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import time
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class PalletProximity:
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def __init__(self) -> None:
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self.log = logging.getLogger("PALLET PROXIMITY SENSOR")
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self.log.setLevel("DEBUG")
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# self.serial_string = '/dev/cu.usbmodem1442401'
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self.serial_string = '/dev/micro'
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self.alive = False
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self.distance_to_pallet = 999
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try:
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self.ser = serial.Serial(self.serial_string, 9600, timeout=1)
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self.alive = True
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self.log.info('Proximity serial open')
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except Exception as e:
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self.log.critical(f"Cannot open serial device, {e}")
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self.log.critical('Exiting')
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exit(0)
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def get_prox_reading(self):
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try:
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self.ser.flushInput()
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# time.sleep(0.05)
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readings = 0
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for _ in range(3):
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raw = str(self.ser.readline())
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raw2 = int(raw.split("|")[1])
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readings += raw2
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self.distance_to_pallet = int(readings / 3)
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return self.distance_to_pallet
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except Exception as e:
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self.log.critical(f"ERROR: {e}, serial input: {raw}")
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return self.distance_to_pallet
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# return False
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if __name__ == "__main__":
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print("Testing...")
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a = PalletProximity()
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while True:
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# time.sleep(0.1)
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print(a.get_prox_reading())
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