- added a new preprocessor for using laser on a Marlin 3D printer named 'Marlin_laser'
- modified the Geometry UI when using laser preprocessors
This commit is contained in:
Marius Stanciu
226
preprocessors/Marlin.py
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226
preprocessors/Marlin.py
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# ##########################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# http://flatcam.org #
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# File Author: Marius Adrian Stanciu (c) #
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# Date: 3/10/2019 #
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# MIT Licence #
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# ##########################################################
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from FlatCAMPostProc import *
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class Marlin(FlatCAMPostProc):
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include_header = True
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coordinate_format = "%.*f"
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feedrate_format = '%.*f'
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feedrate_rapid_format = feedrate_format
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def start_code(self, p):
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units = ' ' + str(p['units']).lower()
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coords_xy = p['xy_toolchange']
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gcode = ''
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xmin = '%.*f' % (p.coords_decimals, p['options']['xmin'])
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xmax = '%.*f' % (p.coords_decimals, p['options']['xmax'])
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ymin = '%.*f' % (p.coords_decimals, p['options']['ymin'])
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ymax = '%.*f' % (p.coords_decimals, p['options']['ymax'])
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if str(p['options']['type']) == 'Geometry':
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gcode += ';TOOL DIAMETER: ' + str(p['options']['tool_dia']) + units + '\n' + '\n'
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gcode += ';Feedrate: ' + str(p['feedrate']) + units + '/min' + '\n'
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if str(p['options']['type']) == 'Geometry':
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gcode += ';Feedrate_Z: ' + str(p['z_feedrate']) + units + '/min' + '\n'
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gcode += ';Feedrate rapids: ' + str(p['feedrate_rapid']) + units + '/min' + '\n' + '\n'
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gcode += ';Z_Cut: ' + str(p['z_cut']) + units + '\n'
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if str(p['options']['type']) == 'Geometry':
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if p['multidepth'] is True:
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gcode += ';DepthPerCut: ' + str(p['z_depthpercut']) + units + ' <=>' + \
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str(math.ceil(abs(p['z_cut']) / p['z_depthpercut'])) + ' passes' + '\n'
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gcode += ';Z_Move: ' + str(p['z_move']) + units + '\n'
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gcode += ';Z Toolchange: ' + str(p['z_toolchange']) + units + '\n'
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if coords_xy is not None:
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gcode += ';X,Y Toolchange: ' + "%.*f, %.*f" % (p.decimals, coords_xy[0],
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p.decimals, coords_xy[1]) + units + '\n'
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else:
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gcode += ';X,Y Toolchange: ' + "None" + units + '\n'
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gcode += ';Z Start: ' + str(p['startz']) + units + '\n'
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gcode += ';Z End: ' + str(p['z_end']) + units + '\n'
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gcode += ';Steps per circle: ' + str(p['steps_per_circle']) + '\n'
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if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
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gcode += ';Preprocessor Excellon: ' + str(p['pp_excellon_name']) + '\n'
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else:
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gcode += ';Preprocessor Geometry: ' + str(p['pp_geometry_name']) + '\n' + '\n'
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gcode += ';X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + '\n'
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gcode += ';Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + '\n\n'
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gcode += ';Spindle Speed: ' + str(p['spindlespeed']) + ' RPM' + '\n' + '\n'
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gcode += ('G20' if p.units.upper() == 'IN' else 'G21') + "\n"
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gcode += 'G90\n'
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gcode += 'G94\n'
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return gcode
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def startz_code(self, p):
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if p.startz is not None:
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return 'G0 Z' + self.coordinate_format % (p.coords_decimals, p.startz)
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else:
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return ''
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def lift_code(self, p):
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return 'G0 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + " " + self.feedrate_rapid_code(p)
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def down_code(self, p):
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return 'G1 Z' + self.coordinate_format % (p.coords_decimals, p.z_cut) + " " + self.inline_z_feedrate_code(p)
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def toolchange_code(self, p):
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z_toolchange = p.z_toolchange
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toolchangexy = p.xy_toolchange
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f_plunge = p.f_plunge
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if toolchangexy is not None:
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x_toolchange = toolchangexy[0]
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y_toolchange = toolchangexy[1]
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else:
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x_toolchange = 0.0
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y_toolchange = 0.0
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no_drills = 1
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if int(p.tool) == 1 and p.startz is not None:
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z_toolchange = p.startz
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toolC_formatted = '%.*f' % (p.decimals, p.toolC)
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if str(p['options']['type']) == 'Excellon':
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for i in p['options']['Tools_in_use']:
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if i[0] == p.tool:
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no_drills = i[2]
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if toolchangexy is not None:
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gcode = """
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M5
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G0 Z{z_toolchange}
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G0 X{x_toolchange} Y{y_toolchange}
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T{tool}
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M6
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;MSG, Change to Tool Dia = {toolC}, Total drills for tool T{tool} = {t_drills}
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M0
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G0 Z{z_toolchange}
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""".format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
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y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
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z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
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tool=int(p.tool),
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t_drills=no_drills,
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toolC=toolC_formatted)
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else:
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gcode = """
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M5
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G0 Z{z_toolchange}
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T{tool}
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M6
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;MSG, Change to Tool Dia = {toolC}, Total drills for tool T{tool} = {t_drills}
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M0
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G0 Z{z_toolchange}
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""".format(z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
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tool=int(p.tool),
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t_drills=no_drills,
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toolC=toolC_formatted)
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if f_plunge is True:
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gcode += '\nG0 Z%.*f' % (p.coords_decimals, p.z_move)
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return gcode
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else:
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if toolchangexy is not None:
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gcode = """
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M5
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G0 Z{z_toolchange}
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G0 X{x_toolchange} Y{y_toolchange}
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T{tool}
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M6
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;MSG, Change to Tool Dia = {toolC}
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M0
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G0 Z{z_toolchange}
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""".format(x_toolchange=self.coordinate_format % (p.coords_decimals, x_toolchange),
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y_toolchange=self.coordinate_format % (p.coords_decimals, y_toolchange),
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z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
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tool=int(p.tool),
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toolC=toolC_formatted)
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else:
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gcode = """
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M5
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G0 Z{z_toolchange}
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T{tool}
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M6
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;MSG, Change to Tool Dia = {toolC}
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M0
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G0 Z{z_toolchange}
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""".format(z_toolchange=self.coordinate_format % (p.coords_decimals, z_toolchange),
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tool=int(p.tool),
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toolC=toolC_formatted)
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if f_plunge is True:
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gcode += '\nG0 Z%.*f' % (p.coords_decimals, p.z_move)
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return gcode
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def up_to_zero_code(self, p):
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return 'G1 Z0' + " " + self.feedrate_code(p)
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def position_code(self, p):
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return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
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(p.coords_decimals, p.x, p.coords_decimals, p.y)
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def rapid_code(self, p):
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return ('G0 ' + self.position_code(p)).format(**p) + " " + self.feedrate_rapid_code(p)
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def linear_code(self, p):
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return ('G1 ' + self.position_code(p)).format(**p) + " " + self.inline_feedrate_code(p)
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def end_code(self, p):
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coords_xy = p['xy_toolchange']
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gcode = ('G0 Z' + self.feedrate_format % (p.fr_decimals, p.z_end) + " " + self.feedrate_rapid_code(p) + "\n")
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if coords_xy is not None:
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gcode += 'G0 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + " " + self.feedrate_rapid_code(p) + "\n"
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return gcode
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def feedrate_code(self, p):
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return 'G1 F' + str(self.feedrate_format % (p.fr_decimals, p.feedrate))
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def inline_feedrate_code(self, p):
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return 'F' + self.feedrate_format % (p.fr_decimals, p.feedrate)
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def inline_z_feedrate_code(self, p):
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return 'F' + self.feedrate_format % (p.fr_decimals, p.z_feedrate)
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def z_feedrate_code(self, p):
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return 'G1 F' + str(self.feedrate_format % (p.fr_decimals, p.z_feedrate))
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def feedrate_rapid_code(self, p):
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return 'F' + self.feedrate_rapid_format % (p.fr_decimals, p.feedrate_rapid)
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def spindle_code(self, p):
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sdir = {'CW': 'M3', 'CCW': 'M4'}[p.spindledir]
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if p.spindlespeed:
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return '%s S%s' % (sdir, str(p.spindlespeed))
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else:
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return sdir
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def dwell_code(self, p):
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if p.dwelltime:
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return 'G4 P' + str(p.dwelltime)
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def spindle_stop_code(self, p):
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return 'M5'
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