You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.3 KiB
95 lines
3.3 KiB
#!/usr/bin/python
|
|
#
|
|
# A tool to send a GCODE file to Marlin via a serial or USB connection.
|
|
#
|
|
# This tool can also exercise error correction and recovery in Marlin by
|
|
# corrupting a fraction of the GCODE packets that are sent.
|
|
#
|
|
|
|
#
|
|
# (c) 2017 Aleph Objects, Inc.
|
|
#
|
|
# The code in this page is free software: you can
|
|
# redistribute it and/or modify it under the terms of the GNU
|
|
# General Public License (GNU GPL) as published by the Free Software
|
|
# Foundation, either version 3 of the License, or (at your option)
|
|
# any later version. The code is distributed WITHOUT ANY WARRANTY;
|
|
# without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
# FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
|
|
#
|
|
|
|
from __future__ import print_function
|
|
from pyMarlin import *
|
|
|
|
import argparse
|
|
import serial
|
|
import random
|
|
import sys
|
|
|
|
def load_gcode(filename):
|
|
with open(filename, "r") as f:
|
|
gcode = f.readlines()
|
|
print("Read %d lines" % len(gcode))
|
|
return gcode
|
|
|
|
def generate_synthetic_gcode():
|
|
gcode = []
|
|
non_acting_gcodes = ["G90", "G91", "G92 X0 Y0 Z0", "G92 X123 Y456", "M31", "M114", "M115", "M119"]
|
|
for i in range(1, 10000):
|
|
which = random.randrange(0,len(non_acting_gcodes))
|
|
gcode.append(non_acting_gcodes[which])
|
|
return gcode
|
|
|
|
def send_gcode_test(filename, serial):
|
|
if filename == "TEST":
|
|
gcode = generate_synthetic_gcode()
|
|
else:
|
|
gcode = load_gcode(filename)
|
|
|
|
for i, line in enumerate(gcode):
|
|
serial.enqueueCommand(line)
|
|
while(not serial.clearToSend()):
|
|
serial.readline()
|
|
if(i % 1000 == 0):
|
|
print("Progress: %d" % (i*100/len(gcode)), end='\r')
|
|
sys.stdout.flush()
|
|
|
|
parser = argparse.ArgumentParser(description='''sends gcode to a printer while injecting errors to test error recovery.''')
|
|
parser.add_argument('-p', '--port', help='Serial port.', default='/dev/ttyACM1')
|
|
parser.add_argument('-f', '--fake', help='Use a fake Marlin simulation instead of serial port, for self-testing.', action='store_false', dest='port')
|
|
parser.add_argument('-e', '--errors', help='Corrupt 1 out N lines written to exercise error recovery.', default='0', type=int)
|
|
parser.add_argument('-r', '--readerrors', help='Corrupt 1 out N lines read to exercise error recovery.', default='0', type=int)
|
|
parser.add_argument('-l', '--log', help='Write log file.')
|
|
parser.add_argument('-b', '--baud', help='Sets the baud rate for the serial port.', default='115000', type=int)
|
|
parser.add_argument('filename', help='file containing gcode, or TEST for synthetic non-printing GCODE')
|
|
args = parser.parse_args()
|
|
|
|
print()
|
|
|
|
if args.port:
|
|
print("Serial port: ", args.port)
|
|
print("Baud rate: ", args.baud)
|
|
sio = serial.Serial(args.port, args.baud, timeout = 3, writeTimeout = 10000)
|
|
else:
|
|
print("Using simulated Marlin device.")
|
|
sio = FakeMarlinSerialDevice()
|
|
|
|
if args.readerrors:
|
|
print("1 out of %d lines read will be corrupted." % args.readerrors)
|
|
sio = NoisySerialConnection(sio)
|
|
sio.setReadErrorRate(1, args.readerrors)
|
|
|
|
if args.log:
|
|
print("Writing log file: ", args.log)
|
|
sio = LoggingSerialConnection(sio, args.log)
|
|
|
|
if args.errors:
|
|
print("1 out of %d lines written will be corrupted." % args.errors)
|
|
sio = NoisySerialConnection(sio)
|
|
sio.setWriteErrorRate(1, args.errors)
|
|
|
|
print()
|
|
|
|
proto = MarlinSerialProtocol(sio)
|
|
send_gcode_test(args.filename, proto)
|
|
proto.close() |