grbl_laser.py 2.1 KB

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  1. from FlatCAMPostProc import *
  2. # This post processor is configured to output code that
  3. # is compatible with almost any version of Grbl.
  4. class grbl_laser(FlatCAMPostProc):
  5. coordinate_format = "%.*f"
  6. feedrate_format = '%.*f'
  7. def start_code(self, p):
  8. units = ' ' + str(p['units']).lower()
  9. gcode = ''
  10. gcode += '(Feedrate: ' + str(p['feedrate']) + units + '/min' + ')\n'
  11. gcode += '(Feedrate rapids ' + str(p['feedrate_rapid']) + units + '/min' + ')\n' + '\n'
  12. gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n'
  13. if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry':
  14. gcode += '(Postprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n'
  15. else:
  16. gcode += '(Postprocessor Geometry: ' + str(p['pp_geometry_name']) + ')\n'
  17. gcode += ('G20' if p.units.upper() == 'IN' else 'G21') + "\n"
  18. gcode += 'G90\n'
  19. gcode += 'G94\n'
  20. gcode += 'G17\n'
  21. return gcode
  22. def startz_code(self, p):
  23. return ''
  24. def lift_code(self, p):
  25. return 'M05'
  26. def down_code(self, p):
  27. return 'M03'
  28. def toolchange_code(self, p):
  29. return ''
  30. def up_to_zero_code(self, p):
  31. return 'M05'
  32. def position_code(self, p):
  33. return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
  34. (p.coords_decimals, p.x, p.coords_decimals, p.y)
  35. def rapid_code(self, p):
  36. return ('G00 ' + self.position_code(p)).format(**p)
  37. def linear_code(self, p):
  38. return ('G01 ' + self.position_code(p)).format(**p) + " " + self.feedrate_code(p)
  39. def end_code(self, p):
  40. gcode = ('G00 Z' + self.feedrate_format %(p.fr_decimals, p.endz) + "\n")
  41. gcode += 'G00 X0Y0'
  42. return gcode
  43. def feedrate_code(self, p):
  44. return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate))
  45. def spindle_code(self,p):
  46. if p.spindlespeed:
  47. return 'S%d' % p.spindlespeed
  48. def dwell_code(self, p):
  49. return ''
  50. def spindle_stop_code(self,p):
  51. return 'M05'