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48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
import serial
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import time
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import sys
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# Serial Port Configuration
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port = 'COM3'
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baudrate = 1000000
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try:
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ser = serial.Serial(
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port=port,
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baudrate=baudrate,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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bytesize=serial.EIGHTBITS,
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timeout=1 # Add a timeout to the serial port read operation
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)
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except serial.SerialException as e:
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print(f"Error opening {port}: {str(e)}")
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sys.exit(1) # exit the program with an error code
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# Simulate a response from the printer
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response = b'ok T:19.91 /0.00 B:19.88 /0.00 @:127 B@:0\r\n'
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print("Serial port opened successfully.")
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try:
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while True:
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if ser.in_waiting > 0:
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data = ser.readline().strip()
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if data == b'M105' or data == b'M105\r':
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print(f"Got: {data}")
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ser.write(response)
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print(f"Sent: {response}")
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else:
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print(f"Ignoring: {data}")
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time.sleep(0.1) # Sleep for 100 milliseconds
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except KeyboardInterrupt:
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print("\n\nKeyboard Interrupt Detected. Exiting...")
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except Exception as e:
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print(f"Error: {str(e)}")
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finally:
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if ser.is_open:
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ser.close()
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print("Serial port closed successfully.")
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