141 lines
5.4 KiB
Python
141 lines
5.4 KiB
Python
# ##########################################################
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# FlatCAM: 2D Post-processing for Manufacturing #
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# Website: http://flatcam.org #
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# File Author: Marius Adrian Stanciu (c) #
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# Date: 8-Feb-2020 #
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# License: MIT Licence #
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# ##########################################################
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from appPreProcessor import *
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class Marlin_laser_Spindle_pin(PreProc):
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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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end_coords_xy = p['xy_end']
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gcode = ';This preprocessor is used with a motion controller loaded with MARLIN firmware.\n'
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gcode += ';It is for the case when it is used together with a LASER connected on the SPINDLE connector.\n'\
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';This preprocessor makes no moves on the Z axis it will only move horizontally.\n' \
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';It assumes a manually focused laser.\n' \
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';The laser is started with M3 command and stopped with the M5 command.\n\n'
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xmin = '%.*f' % (p.coords_decimals, p['obj_options']['xmin'])
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xmax = '%.*f' % (p.coords_decimals, p['obj_options']['xmax'])
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ymin = '%.*f' % (p.coords_decimals, p['obj_options']['ymin'])
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ymax = '%.*f' % (p.coords_decimals, p['obj_options']['ymax'])
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gcode += ';Feedrate: ' + str(p['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 Focus: ' + str(p['z_move']) + units + '\n'
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gcode += ';Steps per circle: ' + str(p['steps_per_circle']) + '\n'
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if str(p['obj_options']['type']) == 'Excellon' or str(p['obj_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'
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if end_coords_xy is not None:
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gcode += ';X,Y End: ' + "%.*f, %.*f" % (p.decimals, end_coords_xy[0],
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p.decimals, end_coords_xy[1]) + units + '\n'
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else:
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gcode += ';X,Y End: ' + "None" + units + '\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 += ';Laser Power (Spindle Speed): %s\n' % str(p['spindlespeed'])
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gcode += ';Laser Minimum Power: %s\n\n' % str(p['laser_min_power'])
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gcode += 'G20\n' if p.units.upper() == 'IN' else 'G21\n'
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gcode += 'G90'
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return gcode
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def startz_code(self, p):
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return ''
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def lift_code(self, p):
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if float(p.laser_min_power) > 0.0:
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# the formatted text: laser OFF must always be like this else the plotting will not be done correctly
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return 'M3 S%s ;laser OFF\n' % str(p.laser_min_power)
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else:
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gcode = 'M400\n'
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gcode += 'M5'
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return gcode
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def down_code(self, p):
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if p.spindlespeed:
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return 'M3 S%s' % str(p.spindlespeed)
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else:
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return 'M3'
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def toolchange_code(self, p):
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return ''
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def up_to_zero_code(self, p):
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return ''
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def position_code(self, p):
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# formula for skewing on x for example is:
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# x_fin = x_init + y_init/slope where slope = p._bed_limit_y / p._bed_skew_x (a.k.a tangent)
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if p._bed_skew_x == 0:
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x_pos = p.x + p._bed_offset_x
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else:
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x_pos = (p.x + p._bed_offset_x) + ((p.y / p._bed_limit_y) * p._bed_skew_x)
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if p._bed_skew_y == 0:
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y_pos = p.y + p._bed_offset_y
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else:
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y_pos = (p.y + p._bed_offset_y) + ((p.x / p._bed_limit_x) * p._bed_skew_y)
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return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \
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(p.coords_decimals, x_pos, p.coords_decimals, y_pos)
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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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gcode = ''
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coords_xy = p['xy_end']
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if coords_xy and coords_xy != '':
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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 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 inline_feedrate_code(self, p):
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return 'F' + self.feedrate_format % (p.fr_decimals, p.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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return ''
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def spindle_stop_code(self, p):
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gcode = 'M400\n'
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gcode += 'M5'
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return gcode
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