Pause code working;

implemented the @pause gcode host command (and a small framework for host commands)

GCodeAnalyzer.py

@@ -76,6 +76,7 @@ class GCodeAnalyzer():
         return m.group(1)
     
   def Analyze(self, gcode):
+    gcode = gcode[:gcode.find(";")] # remove comments
     code_g = self.findCode(gcode, "G")
     code_m = self.findCode(gcode, "M")
     # we have a g_code

gcoder.py

@@ -30,6 +30,10 @@ class Line(object):
 		self.imperial = False
 		self.relative = False
 		
+		#ignore host commands
+		if "@" in self.raw:
+		  self.raw = ""
+		
 		if ";" in self.raw:
 			self.raw = self.raw.split(";")[0]
 		

printcore.py

@@ -73,6 +73,7 @@ class printcore():
         self.analyzer = GCodeAnalyzer()
         self.xy_feedrate = None
         self.z_feedrate = None
+        self.pronterface = None
         
     def disconnect(self):
         """Disconnects from printer and pauses the print
@@ -223,21 +224,43 @@ class printcore():
         self.print_thread.start()
         return True
 
+    # run a simple script if it exists, no multithreading    
+    def runSmallScript(self, filename):
+        if filename == None: return
+        f = None
+        try:
+	  f = open(filename)
+        except:
+	  pass
+	
+	if f != None:
+	  for i in f:
+	    l = i.replace("\n", "")
+	    l = l[:l.find(";")] #remove comment
+	    self.send_now(l)
+	  f.close()
+        
     def pause(self):
         """Pauses the print, saving the current position.
         """
         self.paused = True
         self.printing = False
+        
+        # try joining the print thread: enclose it in try/except because we might be calling it from the thread itself
+        
+        try:
 	  self.print_thread.join()
+	except: pass
+	
         self.print_thread = None
         
         # saves the status
-        self.pauseX = analyzer.x-analyzer.xOffset;
-        self.pauseY = analyzer.y-analyzer.yOffset;
-        self.pauseZ = analyzer.z-analyzer.zOffset;
-        self.pauseE = analyzer.e-analyzer.eOffset;
-        self.pauseF = analyzer.f;
-        self.pauseRelative = analyzer.relative;
+        self.pauseX = self.analyzer.x-self.analyzer.xOffset;
+        self.pauseY = self.analyzer.y-self.analyzer.yOffset;
+        self.pauseZ = self.analyzer.z-self.analyzer.zOffset;
+        self.pauseE = self.analyzer.e-self.analyzer.eOffset;
+        self.pauseF = self.analyzer.f;
+        self.pauseRelative = self.analyzer.relative;
         
         
 
@@ -247,20 +270,20 @@ class printcore():
         
         if self.paused:
           #restores the status
-          self.send("G90") # go to absolute coordinates
+          self.send_now("G90") # go to absolute coordinates
         
           xyFeedString = ""
           zFeedString = ""
           if self.xy_feedrate != None: xyFeedString = " F" + str(self.xy_feedrate)
           if self.z_feedrate != None: zFeedString = " F" + str(self.z_feedrate)
         
-          self.send("G1 X" + str(self.pauseX) + " Y" + str(self.pauseY) + xyFeedString)
-          self.send("G1 Z" + str(self.pauseZ) + zFeedString)
-          self.send("G92 E" + str(self.pauseE))
+          self.send_now("G1 X" + str(self.pauseX) + " Y" + str(self.pauseY) + xyFeedString)
+          self.send_now("G1 Z" + str(self.pauseZ) + zFeedString)
+          self.send_now("G92 E" + str(self.pauseE))
         
-          if self.pauseRelative: self.send("G91") # go back to relative if needed
+          if self.pauseRelative: self.send_now("G91") # go back to relative if needed
           #reset old feed rate
-          self.send("G1 F" + str(self.pauseF))
+          self.send_now("G1 F" + str(self.pauseF))
         
         self.paused = False
         self.printing = True
@@ -324,6 +347,14 @@ class printcore():
             try: self.endcb()
             except: pass
 
+    #now only "pause" is implemented as host command
+    def processHostCommand(self, command):
+        if command == "@pause":
+	  if self.pronterface != None:
+	    self.pronterface.pause(None)
+	  else:
+	    self.pause()
+            
     def _sendnext(self):
         if not self.printer:
             return
@@ -344,6 +375,13 @@ class printcore():
             return
         if self.printing and self.queueindex < len(self.mainqueue):
             tline = self.mainqueue[self.queueindex]
+            #check for host command
+            if tline.startswith("@"):
+	      #it is a host command: pop it from the list
+	      self.mainqueue.pop(self.queueindex)
+	      self.processHostCommand(tline)
+	      return
+	      
             tline = tline.split(";")[0]
             if len(tline) > 0:
                 self._send(tline, self.lineno, True)

pronterface.py

@@ -85,7 +85,7 @@ class Tee(object):
 class PronterWindow(MainWindow, pronsole.pronsole):
     def __init__(self, filename = None, size = winsize):
         pronsole.pronsole.__init__(self)
-        self.settings.build_dimensions = '200x200x100+0+0+0' #default build dimensions are 200x200x100 with 0, 0, 0 in the corner of the bed
+        self.settings.build_dimensions = '200x200x100+0+0+0+0+0+0' #default build dimensions are 200x200x100 with 0, 0, 0 in the corner of the bed
         self.settings.last_bed_temperature = 0.0
         self.settings.last_file_path = ""
         self.settings.last_temperature = 0.0
@@ -93,7 +93,11 @@ class PronterWindow(MainWindow, pronsole.pronsole):
         self.settings.preview_grid_step1 = 10.
         self.settings.preview_grid_step2 = 50.
         self.settings.bgcolor = "#FFFFFF"
-        self.helpdict["build_dimensions"] = _("Dimensions of Build Platform\n & optional offset of origin\n\nExamples:\n   XXXxYYY\n   XXX,YYY,ZZZ\n   XXXxYYYxZZZ+OffX+OffY+OffZ")
+        
+        self.pauseScript = "pause.gcode"
+        self.endScript = "end.gcode"
+        
+        self.helpdict["build_dimensions"] = _("Dimensions of Build Platform\n & optional offset of origin\n & optional switch position\n\nExamples:\n   XXXxYYY\n   XXX,YYY,ZZZ\n   XXXxYYYxZZZ+OffX+OffY+OffZ\nXXXxYYYxZZZ+OffX+OffY+OffZ+HomeX+HomeY+HomeZ")
         self.helpdict["last_bed_temperature"] = _("Last Set Temperature for the Heated Print Bed")
         self.helpdict["last_file_path"] = _("Folder of last opened file")
         self.helpdict["last_temperature"] = _("Last Temperature of the Hot End")
@@ -130,20 +134,24 @@ class PronterWindow(MainWindow, pronsole.pronsole):
         self.build_dimensions_list = self.get_build_dimensions(self.settings.build_dimensions)
         
         #initialize the code analyzer with the correct sizes. There must be a more general way to do so
-        self.p.analyzer.maxX = self.build_dimensions_list[0];
-        self.p.analyzer.maxY = self.build_dimensions_list[1];
-        self.p.analyzer.maxZ = self.build_dimensions_list[2];
+        self.p.analyzer.maxX = self.build_dimensions_list[0] if self.build_dimensions_list[0] >= self.build_dimensions_list[6] else self.build_dimensions_list[6] # maximum x is maximum x if maximum X > home X, else it is home X
+        self.p.analyzer.maxY = self.build_dimensions_list[1] if self.build_dimensions_list[1] >= self.build_dimensions_list[7] else self.build_dimensions_list[7]
+        self.p.analyzer.maxZ = self.build_dimensions_list[2] if self.build_dimensions_list[2] >= self.build_dimensions_list[8] else self.build_dimensions_list[8]
         
-        self.p.analyzer.homeX = self.build_dimensions_list[3];
-        self.p.analyzer.homeY = self.build_dimensions_list[4];
-        self.p.analyzer.homeZ = self.build_dimensions_list[5];
+        self.p.analyzer.minX = self.build_dimensions_list[3]
+        self.p.analyzer.minY = self.build_dimensions_list[4]
+        self.p.analyzer.minZ = self.build_dimensions_list[5]
         
-        self.p.analyzer.print_status()
+        self.p.analyzer.homeX = self.build_dimensions_list[6]
+        self.p.analyzer.homeY = self.build_dimensions_list[7]
+        self.p.analyzer.homeZ = self.build_dimensions_list[8]
                 
         #set feedrates in printcore for pause/resume
         self.p.xy_feedrate = self.settings.xy_feedrate
         self.p.z_feedrate = self.settings.z_feedrate
         
+        #make printcore aware of me
+        self.p.pronterface = self
         
         self.panel.SetBackgroundColour(self.settings.bgcolor)
         customdict = {}
@@ -215,6 +223,8 @@ class PronterWindow(MainWindow, pronsole.pronsole):
             wx.CallAfter(self.pausebtn.Disable)
             wx.CallAfter(self.printbtn.SetLabel, _("Print"))
 
+            self.p.runSmallScript(self.endScript)
+            
             param = self.settings.final_command
             if not param:
                 return
@@ -1405,7 +1415,9 @@ class PronterWindow(MainWindow, pronsole.pronsole):
                     #print "Not printing, cannot pause."
                     return
                 self.p.pause()
+                self.p.runSmallScript(self.pauseScript)
             self.paused = True
+            #self.p.runSmallScript(self.pauseScript)
             self.extra_print_time += int(time.time() - self.starttime)
             wx.CallAfter(self.pausebtn.SetLabel, _("Resume"))
         else:
@@ -1544,9 +1556,12 @@ class PronterWindow(MainWindow, pronsole.pronsole):
         "[^\d+-]*(\d+)?" + # Z build size
         "[^\d+-]*([+-]\d+)?" + # X corner coordinate
         "[^\d+-]*([+-]\d+)?" + # Y corner coordinate
-        "[^\d+-]*([+-]\d+)?"   # Z corner coordinate
+        "[^\d+-]*([+-]\d+)?" + # Z corner coordinate
+        "[^\d+-]*([+-]\d+)?" + # X endstop
+        "[^\d+-]*([+-]\d+)?" + # Y endstop
+        "[^\d+-]*([+-]\d+)?"  # Z endstop
         ,bdim).groups()
-        defaults = [200, 200, 100, 0, 0, 0]
+        defaults = [200, 200, 100, 0, 0, 0, 0, 0, 0]
         bdl_float = [float(value) if value else defaults[i] for i, value in enumerate(bdl)]
         return bdl_float