First import

drl2gcode.py

+#!/usr/bin/env python
+
+SPINDLE_SPEED = 32000
+XY_MOVE_SPEED = 3000
+Z_MOVE_SPEED = 300
+DRILL_MOVE_SPEED = 100
+DRILL_DEPT = 2
+SAFE_HEIGHT = 25
+RUNNING_HEIGHT = 10
+TOOL_HEIGHT = 40
+
+
+import sys
+
+header = """; Produced by drl2gcode.py
+
+; make sure machine is in CNC mode
+M453
+; select absolute coordinate system
+M82
+; metric
+G21
+; G61 exact path mode was requested but not implemented
+; start spindle
+M3 S"""+str(SPINDLE_SPEED)+"""
+; wait for 3 seconds
+G04 S3
+"""
+
+footer = """
+; stop spindle
+M5
+; go to safe height
+G0 Z"""+str(TOOL_HEIGHT)+""" F30000
+; unlock all steppers
+;M18
+; program ends
+M2
+"""
+
+
+tools = {}
+tsel = "1"
+
+with open(sys.argv[1]) as fp:  
+   line = fp.readline()
+   while line:
+      line = fp.readline()
+      if line.startswith("T") and "C" in line:
+         tnum = line.split("C")[0][1:]
+         diameter = "{:.2f}".format(float(line.split("C")[1]))
+         tools[tnum] = { "diameter": diameter,
+                         "file": "".join([sys.argv[1][:-4], "_T", tnum.rjust(2, "0"), "_", diameter, "mm", ".gcode"]),
+                         "output": "".join([header, "\n\n; T", tnum, " Diameter: ", diameter, "mm", "\n"]),
+                         "first": True
+                       }
+      elif line.startswith("T"):
+         tsel = line[1:].rstrip("\r\n")
+      elif line.startswith("X") and tsel != "0":
+         if tools[tsel]["first"]:
+            newl1 = "".join(["G0 F", str(Z_MOVE_SPEED), " Z", str(SAFE_HEIGHT)])
+            tools[tsel]["first"] = False
+         else:
+            newl1 = "".join(["G1 F", str(Z_MOVE_SPEED), " Z", str(RUNNING_HEIGHT)])
+            if tools[tsel]["output"].endswith(newl1+"\n"):
+               newl1 = ''
+         newl2 = "".join(["G1 F", str(XY_MOVE_SPEED), " ", line.split("Y")[0], " Y", line.split("Y")[1].strip("\r\n")])
+         newl3 = "".join(["G1 F", str(Z_MOVE_SPEED), " Z0.2"])
+         newl4 = "".join(["G1 F", str(DRILL_MOVE_SPEED), " Z-", str(DRILL_DEPT)])
+         newl5 = "".join(["G1 F", str(Z_MOVE_SPEED), " Z", str(RUNNING_HEIGHT)])
+
+         tools[tsel]["output"]+="\n".join([newl1, newl2, newl3, newl4, newl5, ''])
+         
+
+
+for t in tools:
+   tools[t]["output"]+=footer
+   print "writing", tools[t]["file"]
+   f = open(tools[t]["file"], "w")
+   f.write(tools[t]["output"])
+   f.close()
+   #print tools[t]["file"]
+   #print tools[t]["output"]
+