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- from FlatCAMPostProc import *
- # This post processor is configured to output code that
- # is compatible with almost any version of Grbl.
- class grbl_laser(FlatCAMPostProc):
- coordinate_format = "%.*f"
- feedrate_format = '%.*f'
- def start_code(self, p):
- units = ' ' + str(p['units']).lower()
- gcode = ''
- xmin = '%.*f' % (p.coords_decimals, p['options']['xmin'])
- xmax = '%.*f' % (p.coords_decimals, p['options']['xmax'])
- ymin = '%.*f' % (p.coords_decimals, p['options']['ymin'])
- ymax = '%.*f' % (p.coords_decimals, p['options']['ymax'])
- gcode += '(Feedrate: ' + str(p['feedrate']) + units + '/min' + ')\n'
- gcode += '(Feedrate rapids ' + str(p['feedrate_rapid']) + units + '/min' + ')\n' + '\n'
- gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n'
- if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
- gcode += '(Postprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n'
- else:
- gcode += '(Postprocessor Geometry: ' + str(p['pp_geometry_name']) + ')\n'
- gcode += ('G20' if p.units.upper() == 'IN' else 'G21') + "\n" + '\n'
- gcode += '(X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + ')\n'
- gcode += '(Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + ')\n\n'
- gcode += 'G90\n'
- gcode += 'G94\n'
- gcode += 'G17\n'
- return gcode
- def startz_code(self, p):
- return ''
- def lift_code(self, p):
- return 'M05'
- def down_code(self, p):
- if p.spindlespeed:
- return 'M03 S%d' % p.spindlespeed
- else:
- return 'M03'
- def toolchange_code(self, p):
- return ''
- def up_to_zero_code(self, p):
- return 'M05'
- def position_code(self, p):
- return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
- (p.coords_decimals, p.x, p.coords_decimals, p.y)
- def rapid_code(self, p):
- return ('G00 ' + self.position_code(p)).format(**p)
- def linear_code(self, p):
- return ('G01 ' + self.position_code(p)).format(**p) + \
- ' F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate))
- def end_code(self, p):
- coords_xy = p['toolchange_xy']
- gcode = ('G00 Z' + self.feedrate_format %(p.fr_decimals, p.endz) + "\n")
- if coords_xy is not None:
- gcode += 'G00 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + "\n"
- return gcode
- def feedrate_code(self, p):
- return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate))
- def feedrate_z_code(self, p):
- return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate_z))
- def spindle_code(self, p):
- return ''
- def dwell_code(self, p):
- return ''
- def spindle_stop_code(self,p):
- return 'M05'
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