- few bugs solved regarding the newly created empty objects

preprocessors/grbl_laser.py

@@ -0,0 +1,103 @@
+# ########################################################## ##
+# FlatCAM: 2D Post-processing for Manufacturing            #
+# http://flatcam.org                                       #
+# File Author: Matthieu Berthomé                           #
+# Date: 5/26/2017                                          #
+# MIT Licence                                              #
+# ########################################################## ##
+
+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 += '(Preprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n'
+        else:
+            gcode += '(Preprocessor 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 S0'
+
+    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['xy_toolchange']
+        gcode = ('G00 Z' + self.feedrate_format %(p.fr_decimals, p.z_end) + "\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 z_feedrate_code(self, p):
+        return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.z_feedrate))
+
+    def spindle_code(self, p):
+        sdir = {'CW': 'M03', 'CCW': 'M04'}[p.spindledir]
+        if p.spindlespeed:
+            return '%s S%s' % (sdir, str(p.spindlespeed))
+        else:
+            return sdir
+
+    def dwell_code(self, p):
+        return ''
+
+    def spindle_stop_code(self,p):
+        return 'M05'