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.

89 lines
2.8 KiB

#!/usr/bin/env python3
import os
import re
import sys
# Based off of notes from
# https://github.com/fellesverkstedet/gcc-laserpro-driver
# and http://www.wiki.cl.cam.ac.uk/rowiki/CompArch/HardwareLab/LaserCutter
# and src/core/path_gcc.c from
# https://github.com/fellesverkstedet/fabmodules
def write_pen_values(values, char):
return "!v64" + char + "".join(["{:04d}".format(value) for value in values])
def pre_content(filename, power, speed, rate, pen_settings):
jobName = os.path.basename(filename)[:80]
# Start
outString = "@PJL JOB NAME={}\r\n".format(jobName)
outString += "E@PJL ENTER LANGUAGE=PCL\r\n%-12345X"
# Reset
outString += "E"
# Unit
outString += "&u254D"
# Cursor
outString += "*p100X"
outString += "*p100Y"
# Set filename
outString += "!m{:d}N".format(len(jobName)) + jobName
# Set raster power+velocity. Only affects raster. Shows in display before start
outString += "!r{:d}I".format(speed * 10)
outString += "!r{:d}P".format(power * 10);
# Select first (and only) pen (commented out in original source)
# outString += "!v1D"
# outString += "!m2A" # triggers autofocus
# Use same value for all 16 pens
# doesn't seem to affect vector settings
# TODO: try unsetting values in HPGL and see if these take over
outString += write_pen_values(pen_settings['power'], 'P') # Power, 1000=100%
outString += write_pen_values(pen_settings['speed'], 'V') # Velocity, 1000=100%
outString += write_pen_values(pen_settings['rate'], 'I') # PPI, does affect vector
# Enter HPGL vector mode
outString += "%1B"
return outString
def set_vector_pens(content, pen_settings):
settings = "".join(
["FS{power:d},{penNum:d};VS{speed:d},{penNum:d};".format(
power=pen_settings['power'][num],
speed=pen_settings['speed'][num],
penNum=num+1) for num in range(0, 16)])
# TODO: find out why slow movement in PU (pen up) until first PD (pen down)
content = re.sub(
"FS\d{1,4};VS\d{1,4};SP1;",
settings + "SP1;",
content, count=1)
return content
def post_content():
outString = "%1A" # Leave HPGL vector mode
outString += "E" # Reset
outString += "%-12345X@PJL EOJ \r\n" # End
return outString
def main(infile, outfile, power=50, speed=50, rate=100):
# set all pens the same
pen_settings = {'power': [int(power) * 10] * 16,
'speed': [int(speed) * 10] * 16,
'rate': [int(rate)] * 16}
with open(outfile, 'w') as f:
f.write(pre_content(
outfile, int(power), int(speed), int(rate), pen_settings))
with open(infile, 'r') as input_f:
f.write(set_vector_pens(input_f.read(), pen_settings))
f.write(post_content())
if __name__ == '__main__':
print(sys.argv)
main(*sys.argv[1:])