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79 lines
2.4 KiB
79 lines
2.4 KiB
7 years ago
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#!/usr/bin/python
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#
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# A tool to send a GCODE file to Marlin via a serial or USB connection.
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#
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# This tool can also exercise error correction and recovery in Marlin by
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# corrupting a fraction of the GCODE packets that are sent.
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#
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#
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# (c) 2017 Aleph Objects, Inc.
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#
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# The code in this page is free software: you can
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# redistribute it and/or modify it under the terms of the GNU
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# General Public License (GNU GPL) as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option)
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# any later version. The code is distributed WITHOUT ANY WARRANTY;
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# without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
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#
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from __future__ import print_function
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from pyMarlin import *
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import argparse
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import serial
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UseNoisySerial = True
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def load_gcode(filename):
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with open(filename, "r") as f:
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gcode = f.readlines()
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print("Read %d lines" % len(gcode))
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return gcode
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def send_gcode_test(filename, serial):
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gcode = load_gcode("test.gco");
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for i, line in enumerate(gcode):
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serial.sendCommand(line)
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while(not serial.clearToSend()):
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serial.readLine()
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if(i % 1000 == 0):
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print("Progress: %d" % (i*100/len(gcode)), end='\r')
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parser = argparse.ArgumentParser(description='''sends gcode to a printer while injecting errors to test error recovery.''')
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parser.add_argument('-f', '--fake', help='Use a fake Marlin simulation instead of serial port, for self-testing.', action='store_false', dest='port')
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parser.add_argument('-p', '--port', help='Serial port.', default='/dev/ttyACM1')
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parser.add_argument('-e', '--errors', help='Corrupt 1 out N lines to exercise error recovery.', default='0', type=int)
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parser.add_argument('-l', '--log', help='Write log file.')
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parser.add_argument('filename', help='file containing gcode.')
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args = parser.parse_args()
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print()
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if args.port:
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print("Serial port: ", args.port)
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sio = serial.Serial(args.port, 115000, timeout = 3, writeTimeout = 10000)
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else:
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print("Using simulated Marlin device.")
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sio = FakeMarlinSerialDevice()
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if args.log:
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print("Writing log file: ", args.log)
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chatty = LoggingSerialConnection(sio, args.log)
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else:
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chatty = sio
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if args.errors:
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print("1 out of %d lines will be corrupted." % args.errors)
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noisy = NoisySerialConnection(chatty)
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noisy.setErrorRate(1, args.errors)
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else:
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noisy = chatty
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print()
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proto = MarlinSerialProtocol(noisy)
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send_gcode_test(args.filename, proto)
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proto.close()
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