X-Git-Url: http://git.hcoop.net/clinton/3d-models.git/blobdiff_plain/c7006aad4037a607f719738276d573bff3e4dfae..ba3e2455368c37d4fc1bbe83030da1a4318a8226:/cura/dual_temp_lower.py

diff --git a/cura/dual_temp_lower.py b/cura/dual_temp_lower.py
index 05cf520..ed6715f 100644
--- a/cura/dual_temp_lower.py
+++ b/cura/dual_temp_lower.py
@@ -2,13 +2,15 @@
 #Info: Lower the temperature for the nozzle that is not printing
 #Depend: GCode
 #Type: postprocess
-#Param: printTemperature(float:220.0) Print temperature (C)
-#Param: coolTemperature(float:170.0) Cool nozzle temperature (C)
+#Param: coolTemperatureDifference(float:50.0) Drop idle nozzle temperature (C)
 #Param: heatupTimeDelay(float:20.0) Heatup nozzle before use (sec)
+#Param: zHop(float:0.0) Raise Z when reheating active extruder (mm)
 
-__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
+
+__copyright__ = "Copyright (C) 2013 David Braam, Copyright (C) 2016 Clinton Ebadi <clinton@unknownlamer.org> - Released under terms of the AGPLv3 License"
 import re
 import math
+from Cura.util import profile
 
 def getValue(line, key, default = None):
 	if not key in line or (';' in line and line.find(key) > line.find(';')):
@@ -22,6 +24,28 @@ def getValue(line, key, default = None):
 	except:
 		return default
 
+def wipeNozzle (f):
+        f.write ("""
+G91
+G0 X{d} Y{d} F{rate}
+G0 X-{d} Y-{d} F{rate}
+G0 X-{d} Y-{d} F{rate}
+G0 X{d} Y{d} F{rate}
+G90
+""".format (d=3, rate=float(profile.getProfileSetting('travel_speed')) * 60))
+
+fanOnCommand = None
+
+def disableFan(f):
+        if fanOnCommand is not None:
+                f.write ("M107\n")
+
+def enableFan(f):
+        if fanOnCommand is not None:
+                # ensure fan actually kicks back on
+                f.write ("M106 S255\n")
+                f.write (fanOnCommand)
+
 with open(filename, "r") as f:
 	lines = f.readlines()
 
@@ -29,13 +53,24 @@ z = 0.
 x = 0.
 y = 0.
 e = 0.
-feedrate = 5000
+feedrate = float(profile.getProfileSetting('print_speed'))
+wipeTowerP = profile.getProfileSetting('wipe_tower') == 'True'
 currentSectionType = 'CUSTOM'
 activeExtruder = -1
+firstLayer = True
+# todo: use 2nd/3rd/etc extruder temp if available (arrays are alright...)
+printTemperature = float(profile.getProfileSetting('print_temperature'))
+coolTemperature = printTemperature - coolTemperatureDifference
+
 with open(filename, "w") as f:
-	startIdx = 0
-	idx = 0
-	while idx < len(lines):
+        # skip start gcode
+	idx = lines.index (';LAYER:0\n')
+        startIdx = idx
+        for line in lines[0:idx]:
+                if getValue(line, 'T', None) is not None and getValue(line, 'M', None) is None:
+	                activeExtruder = getValue(line, 'T', None)
+                f.write (line)
+        while idx < len(lines):
 		line = lines[idx]
 		if getValue(line, 'T', None) is not None and getValue(line, 'M', None) is None:
 			nextExtruder = getValue(line, 'T', None)
@@ -57,21 +92,51 @@ with open(filename, "w") as f:
 					x = nx
 					y = ny
 					z = nz
+
 			heatupTime = printTime - heatupTimeDelay
+                        if heatupTime < 0.0:
+                                heatupTime = None
+                        heatupBlocked = not firstLayer # do not reheat until active extruder is heated
 			x = sx
 			y = sy
 			z = sz
-			if heatupTime > 0.0:
-				f.write("M104 T%d S%d\n" % (nextExtruder, coolTemperature))
-				f.write("T%d\n" % (activeExtruder))
-			else:
-				heatupTime = None
+
+			f.write("M104 T%d S%d\n" % (nextExtruder, coolTemperature))
+			f.write("T%d\n" % (activeExtruder))
+
 			printTime = 0.0
 			for n in xrange(startIdx, idx):
 				line = lines[n]
 				if line.startswith(';'):
 					f.write(line)
 					continue
+                                if getValue(line, 'M', 666) == 107:
+                                        fanOnCommand = None
+                                        f.write(line)
+                                        continue
+                                if getValue(line, 'M', 666) == 106:
+                                        fanOnCommand = line
+                                        f.write(line)
+                                        continue
+                                # find where the newly activated extruder is unspooled and block until fully reheated
+                                if (getValue(line, 'G', 666) == 0 or getValue(line, 'G', 666) == 1) and getValue (line, 'E', 666) == 0.0 and (heatupBlocked or firstLayer):
+                                        # todo: if wipeTowerP, only
+                                        # wait for a few degrees below
+                                        # printTemperature and allow
+                                        # it to finish heating while
+                                        # priming
+                                        if zHop > 0.0:
+                                                f.write ("G91\nG0 Z%.3f\nG90\n" % zHop)
+
+                                        disableFan(f)
+                                        f.write("M109 T%d S%d\n" % (activeExtruder, printTemperature))
+                                        wipeNozzle(f)
+                                        enableFan(f)
+
+                                        if zHop > 0.0:
+                                                f.write ("G91\nG0 Z%.3f\nG90\n" % -zHop)
+                                                zHop = -1
+                                        heatupBlocked = False
 				if heatupTime is not None:
 					g = getValue(line, 'G', None)
 					if g == 0 or g == 1:
@@ -80,7 +145,7 @@ with open(filename, "w") as f:
 						nz = getValue(line, 'Z', z)
 						feedrate = getValue(line, 'F', feedrate)
 						printTime += math.sqrt((nx-x)*(nx-x)+(ny-y)*(ny-y)+(nz-z)*(nz-z)) / feedrate * 60
-						if printTime > heatupTime:
+						if (printTime > heatupTime) and (not heatupBlocked):
 							f.write("M104 T%d S%d\n" % (nextExtruder, printTemperature))
 							f.write("T%d\n" % (activeExtruder))
 							heatupTime = None
@@ -89,8 +154,9 @@ with open(filename, "w") as f:
 						z = nz
 				f.write(line)
 			f.write(lines[idx])
-			startIdx = idx + 1
+                        startIdx = idx + 1
 			activeExtruder = nextExtruder
+                        firstLayer = False
 		idx += 1
 	for n in xrange(startIdx, idx):
 		f.write(lines[n])