mirror of https://github.com/BKLronin/touchCNC.git
55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
import serial
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import time
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# Define the serial port and baud rate for communication
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ser = serial.Serial('/dev/ttyUSB0', 115200, timeout=1)
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# Function to send G-code commands
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def send_gcode(ser, command):
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# Split the command into chunks of 120 characters or less
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chunks = [command[i:i + 120] for i in range(0, len(command), 120)]
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for chunk in chunks:
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ser.write((chunk + '\n').encode())
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response = ser.readline().decode().strip()
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if response != 'ok':
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# Handle errors or unexpected responses here
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print(f"GRBL response: {response}")
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# Function to wait until the buffer is empty
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def wait_for_buffer_empty():
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while True:
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status = send_gcode('?')
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if status.startswith('<Idle'):
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break
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time.sleep(0.1)
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if __name__ == "__main__":
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# Your G-code commands
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gcode_commands = [
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'G21', # Set units to millimeters
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'G90', # Set to absolute positioning
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'G1 X10 Y10 F100', # Move to X10 Y10 at a feed rate of 100 mm/min
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'G1 X20 Y20 F100',
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]
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try:
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# Initialize communication
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#ser.open()
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ser.flushInput()
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ser.flushOutput()
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# Send G-code commands
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for command in gcode_commands:
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send_gcode(command)
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# Wait for the buffer to empty
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wait_for_buffer_empty()
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except Exception as e:
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print(f"An error occurred: {str(e)}")
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finally:
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ser.close() |