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from __future__ import absolute_import
import __init__
import wx, threading, re, subprocess, sys, os
from wx.lib import buttons
from gui import machineCom
from gui import icon
from util import profile
from util import gcodeInterpreter
printWindowMonitorHandle = None
def printFile(filename):
global printWindowMonitorHandle
if printWindowMonitorHandle == None:
printWindowMonitorHandle = printProcessMonitor()
printWindowMonitorHandle.loadFile(filename)
def startPrintInterface(filename):
#startPrintInterface is called from the main script when we want the printer interface to run in a seperate process.
# It needs to run in a seperate process, as any running python code blocks the GCode sender pyton code (http://wiki.python.org/moin/GlobalInterpreterLock).
app = wx.App(False)
printWindowHandle = printWindow()
printWindowHandle.Show(True)
printWindowHandle.Raise()
printWindowHandle.OnConnect(None)
printWindowHandle.LoadGCodeFile(filename)
app.MainLoop()
class printProcessMonitor():
def __init__(self):
self.handle = None
def loadFile(self, filename):
if self.handle == None:
self.handle = subprocess.Popen([sys.executable, sys.argv[0], '-r', filename], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
self.thread = threading.Thread(target=self.Monitor)
self.thread.start()
else:
self.handle.stdin.write(filename + '\n')
def Monitor(self):
p = self.handle
line = p.stdout.readline()
while(len(line) > 0):
print line.rstrip()
line = p.stdout.readline()
p.wait()
self.handle = None
self.thread = None
class PrintCommandButton(buttons.GenBitmapButton):
def __init__(self, parent, command, bitmapFilename, size=(20,20)):
self.bitmap = wx.Bitmap(os.path.join(os.path.split(__file__)[0], "../images", bitmapFilename))
super(PrintCommandButton, self).__init__(parent.directControlPanel, -1, self.bitmap, size=size)
self.command = command
self.parent = parent
self.SetBezelWidth(1)
self.SetUseFocusIndicator(False)
self.Bind(wx.EVT_BUTTON, self.OnClick)
def OnClick(self, e):
self.parent.sendCommand("G91")
self.parent.sendCommand(self.command)
e.Skip()
class printWindow(wx.Frame):
"Main user interface window"
def __init__(self):
super(printWindow, self).__init__(None, -1, title='Printing')
self.machineCom = None
self.machineConnected = False
self.thread = None
self.gcode = None
self.gcodeList = None
self.sendList = []
self.printIdx = None
self.temp = None
self.bufferLineCount = 4
self.sendCnt = 0
#self.SetIcon(icon.getMainIcon())
self.SetSizer(wx.BoxSizer())
self.panel = wx.Panel(self)
self.GetSizer().Add(self.panel, 1, flag=wx.EXPAND)
self.sizer = wx.GridBagSizer(2, 2)
self.panel.SetSizer(self.sizer)
sb = wx.StaticBox(self.panel, label="Statistics")
boxsizer = wx.StaticBoxSizer(sb, wx.VERTICAL)
self.statsText = wx.StaticText(self.panel, -1, "Filament: ####.##m #.##g\nPrint time: #####:##")
boxsizer.Add(self.statsText, flag=wx.LEFT, border=5)
self.sizer.Add(boxsizer, pos=(0,0), span=(4,1), flag=wx.EXPAND)
self.connectButton = wx.Button(self.panel, -1, 'Connect')
#self.loadButton = wx.Button(self.panel, -1, 'Load GCode')
self.printButton = wx.Button(self.panel, -1, 'Print GCode')
self.cancelButton = wx.Button(self.panel, -1, 'Cancel print')
self.progress = wx.Gauge(self.panel, -1)
h = self.connectButton.GetSize().GetHeight()
self.temperatureSelect = wx.SpinCtrl(self.panel, -1, '0', size=(21*3,21), style=wx.SP_ARROW_KEYS)
self.temperatureSelect.SetRange(0, 400)
self.sizer.Add(self.connectButton, pos=(0,1))
#self.sizer.Add(self.loadButton, pos=(1,1))
self.sizer.Add(self.printButton, pos=(2,1))
self.sizer.Add(self.cancelButton, pos=(3,1))
self.sizer.Add(self.progress, pos=(4,0), span=(1,2), flag=wx.EXPAND)
self.sizer.Add(wx.StaticText(self.panel, -1, "Temp:"), pos=(0,3))
self.sizer.Add(self.temperatureSelect, pos=(0,4))
self.directControlPanel = wx.Panel(self.panel)
self.sizer.Add(self.directControlPanel, pos=(1,3), span=(5,4))
sizer = wx.GridBagSizer(2, 2)
self.directControlPanel.SetSizer(sizer)
sizer.Add(PrintCommandButton(self, 'G1 Y100 F6000', 'print-move-y100.png'), pos=(0,3))
sizer.Add(PrintCommandButton(self, 'G1 Y10 F6000', 'print-move-y10.png'), pos=(1,3))
sizer.Add(PrintCommandButton(self, 'G1 Y1 F6000', 'print-move-y1.png'), pos=(2,3))
sizer.Add(PrintCommandButton(self, 'G1 Y-1 F6000', 'print-move-y-1.png'), pos=(4,3))
sizer.Add(PrintCommandButton(self, 'G1 Y-10 F6000', 'print-move-y-10.png'), pos=(5,3))
sizer.Add(PrintCommandButton(self, 'G1 Y-100 F6000', 'print-move-y-100.png'), pos=(6,3))
sizer.Add(PrintCommandButton(self, 'G1 X-100 F6000', 'print-move-x-100.png'), pos=(3,0))
sizer.Add(PrintCommandButton(self, 'G1 X-10 F6000', 'print-move-x-10.png'), pos=(3,1))
sizer.Add(PrintCommandButton(self, 'G1 X-1 F6000', 'print-move-x-1.png'), pos=(3,2))
sizer.Add(PrintCommandButton(self, 'G28 X0 Y0', 'print-move-home.png'), pos=(3,3))
sizer.Add(PrintCommandButton(self, 'G1 X1 F6000', 'print-move-x1.png'), pos=(3,4))
sizer.Add(PrintCommandButton(self, 'G1 X10 F6000', 'print-move-x10.png'), pos=(3,5))
sizer.Add(PrintCommandButton(self, 'G1 X100 F6000', 'print-move-x100.png'), pos=(3,6))
sizer.Add(PrintCommandButton(self, 'G1 Z10 F200', 'print-move-z10.png'), pos=(0,7))
sizer.Add(PrintCommandButton(self, 'G1 Z1 F200', 'print-move-z1.png'), pos=(1,7))
sizer.Add(PrintCommandButton(self, 'G1 Z0.1 F200', 'print-move-z0.1.png'), pos=(2,7))
sizer.Add(PrintCommandButton(self, 'G28 Z0', 'print-move-home.png'), pos=(3,7))
sizer.Add(PrintCommandButton(self, 'G1 Z-0.1 F200', 'print-move-z-0.1.png'), pos=(4,7))
sizer.Add(PrintCommandButton(self, 'G1 Z-1 F200', 'print-move-z-1.png'), pos=(5,7))
sizer.Add(PrintCommandButton(self, 'G1 Z-10 F200', 'print-move-z-10.png'), pos=(6,7))
self.sizer.AddGrowableRow(3)
self.sizer.AddGrowableCol(0)
self.Bind(wx.EVT_CLOSE, self.OnClose)
self.connectButton.Bind(wx.EVT_BUTTON, self.OnConnect)
#self.loadButton.Bind(wx.EVT_BUTTON, self.OnLoad)
self.printButton.Bind(wx.EVT_BUTTON, self.OnPrint)
self.cancelButton.Bind(wx.EVT_BUTTON, self.OnCancel)
self.Bind(wx.EVT_SPINCTRL, self.OnTempChange, self.temperatureSelect)
self.Layout()
self.Fit()
self.Centre()
self.UpdateButtonStates()
self.UpdateProgress()
def UpdateButtonStates(self):
self.connectButton.Enable(not self.machineConnected)
#self.loadButton.Enable(self.printIdx == None)
self.printButton.Enable(self.machineConnected and self.gcodeList != None and self.printIdx == None)
self.cancelButton.Enable(self.printIdx != None)
self.temperatureSelect.Enable(self.machineConnected)
self.directControlPanel.Enable(self.machineConnected)
def UpdateProgress(self):
status = ""
if self.gcode != None:
status += "Filament: %.2fm %.2fg\n" % (self.gcode.extrusionAmount / 1000, self.gcode.calculateWeight() * 1000)
cost = self.gcode.calculateCost()
if cost != False:
status += "Filament cost: %s\n" % (cost)
status += "Print time: %02d:%02d\n" % (int(self.gcode.totalMoveTimeMinute / 60), int(self.gcode.totalMoveTimeMinute % 60))
if self.printIdx == None:
self.progress.SetValue(0)
if self.gcodeList != None:
status += 'Line: -/%d\n' % (len(self.gcodeList))
else:
status += 'Line: %d/%d\n' % (self.printIdx, len(self.gcodeList))
self.progress.SetValue(self.printIdx)
if self.temp != None:
status += 'Temp: %d\n' % (self.temp)
self.statsText.SetLabel(status.strip())
self.Layout()
def OnConnect(self, e):
if self.machineCom != None:
self.machineCom.close()
self.thread.join()
self.machineCom = machineCom.MachineCom()
self.thread = threading.Thread(target=self.PrinterMonitor)
self.thread.start()
self.UpdateButtonStates()
def OnLoad(self, e):
pass
def OnPrint(self, e):
if not self.machineConnected:
return
if self.gcodeList == None:
return
if self.printIdx != None:
return
self.printIdx = 1
self.sendLine(0)
self.sendCnt = self.bufferLineCount
self.UpdateButtonStates()
def OnCancel(self, e):
self.printIdx = None
self.sendCommand("M84")
self.UpdateButtonStates()
def OnClose(self, e):
global printWindowHandle
printWindowHandle = None
if self.machineCom != None:
self.machineCom.close()
self.thread.join()
self.Destroy()
def OnTempChange(self, e):
self.sendCommand("M104 S%d" % (self.temperatureSelect.GetValue()))
def LoadGCodeFile(self, filename):
if self.printIdx != None:
return
#Send an initial M110 to reset the line counter to zero.
gcodeList = ["M110"]
for line in open(filename, 'r'):
if ';' in line:
line = line[0:line.find(';')]
line = line.strip()
if len(line) > 0:
gcodeList.append(line)
gcode = gcodeInterpreter.gcode()
gcode.loadList(gcodeList)
print "Loaded: %s (%d)" % (filename, len(gcodeList))
self.progress.SetRange(len(gcodeList))
self.gcode = gcode
self.gcodeList = gcodeList
self.UpdateButtonStates()
self.UpdateProgress()
def sendCommand(self, cmd):
if self.machineConnected:
if self.printIdx == None:
self.machineCom.sendCommand(cmd)
else:
self.sendList.append(cmd)
def sendLine(self, lineNr):
if lineNr >= len(self.gcodeList):
return False
checksum = reduce(lambda x,y:x^y, map(ord, "N%d%s" % (lineNr, self.gcodeList[lineNr])))
self.machineCom.sendCommand("N%d%s*%d" % (lineNr, self.gcodeList[lineNr], checksum))
return True
def PrinterMonitor(self):
while True:
line = self.machineCom.readline()
if line == None:
self.machineConnected = False
wx.CallAfter(self.UpdateButtonStates)
return
if self.machineConnected:
while self.sendCnt > 0:
self.sendLine(self.printIdx)
self.printIdx += 1
self.sendCnt -= 1
elif line.startswith("start"):
self.machineConnected = True
wx.CallAfter(self.UpdateButtonStates)
if 'T:' in line:
self.temp = float(re.search("[0-9\.]*", line.split('T:')[1]).group(0))
wx.CallAfter(self.UpdateProgress)
if self.printIdx == None:
if line == '': #When we have a communication "timeout" and we're not sending gcode, then read the temperature.
self.machineCom.sendCommand("M105")
else:
if line.startswith("ok"):
if len(self.sendList) > 0:
self.machineCom.sendCommand(self.sendList.pop(0))
else:
if self.sendLine(self.printIdx):
self.printIdx += 1
else:
self.printIdx = None
wx.CallAfter(self.UpdateButtonStates)
wx.CallAfter(self.UpdateProgress)
elif "resend" in line.lower() or "rs" in line:
try:
lineNr=int(line.replace("N:"," ").replace("N"," ").replace(":"," ").split()[-1])
except:
if "rs" in line:
lineNr=int(line.split()[1])
self.printIdx = lineNr
#we should actually resend the line here, but we also get an "ok" for each error from Marlin. And thus we'll resend on the OK.
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