1 from __future__ import absolute_import
4 import os, glob, sys, time, math, re, traceback, threading
7 from serial import Serial
9 from avr_isp import stk500v2
10 from avr_isp import ispBase
11 from avr_isp import intelHex
13 from util import profile
24 key=_winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE,"HARDWARE\\DEVICEMAP\\SERIALCOMM")
27 baselist+=[_winreg.EnumValue(key,i)[1]]
31 return baselist+glob.glob('/dev/ttyUSB*') + glob.glob('/dev/ttyACM*') +glob.glob("/dev/tty.usb*")+glob.glob("/dev/cu.*")+glob.glob("/dev/rfcomm*")
34 return [250000, 230400, 115200, 57600, 38400, 19200, 9600]
36 class VirtualPrinter():
38 self.readList = ['start\n', 'Marlin: Virtual Marlin!\n', '\x80\n']
41 self.lastTempAt = time.time()
43 self.bedTargetTemp = 1.0
45 def write(self, data):
46 if self.readList == None:
48 #print "Send: %s" % (data.rstrip())
49 if 'M104' in data or 'M109' in data:
51 self.targetTemp = float(data[data.find('S')+1:])
54 if 'M140' in data or 'M190' in data:
56 self.bedTargetTemp = float(data[data.find('S')+1:])
60 self.readList.append("ok T:%.2f /%.2f B:%.2f /%.2f @:64\n" % (self.temp, self.targetTemp, self.bedTemp, self.bedTargetTemp))
62 self.readList.append("ok\n")
65 if self.readList == None:
68 timeDiff = self.lastTempAt - time.time()
69 self.lastTempAt = time.time()
70 if abs(self.temp - self.targetTemp) > 1:
71 self.temp += math.copysign(timeDiff, self.targetTemp - self.temp)
72 if abs(self.bedTemp - self.bedTargetTemp) > 1:
73 self.bedTemp += math.copysign(timeDiff, self.bedTargetTemp - self.bedTemp)
74 while len(self.readList) < 1:
79 if self.readList == None:
82 #print "Recv: %s" % (self.readList[0].rstrip())
83 return self.readList.pop(0)
88 class MachineComPrintCallback(object):
89 def mcLog(self, message):
92 def mcTempUpdate(self, temp, bedTemp):
95 def mcStateChange(self, state):
98 def mcMessage(self, message):
101 def mcProgress(self, lineNr):
104 class MachineCom(object):
106 STATE_DETECT_BAUDRATE = 1
108 STATE_OPERATIONAL = 3
113 STATE_CLOSED_WITH_ERROR = 8
115 def __init__(self, port = None, baudrate = None, callbackObject = None):
117 port = profile.getPreference('serial_port')
119 if profile.getPreference('serial_baud') == 'AUTO':
122 baudrate = int(profile.getPreference('serial_baud'))
123 if callbackObject == None:
124 callbackObject = MachineComPrintCallback()
126 self._callback = callbackObject
127 self._state = self.STATE_NONE
129 self._baudrateDetectList = baudrateList()
130 self._baudrateDetectRetry = 0
133 self._gcodeList = None
135 self._commandQueue = queue.Queue()
136 self._logQueue = queue.Queue(256)
137 self._feedRateModifier = {}
140 programmer = stk500v2.Stk500v2()
141 self._log("Serial port list: %s" % (str(serialList())))
142 for port in serialList():
144 self._log("Connecting to: %s" % (port))
145 programmer.connect(port)
146 self._serial = programmer.leaveISP()
148 except ispBase.IspError as (e):
149 self._log("Error while connecting to %s: %s" % (port, str(e)))
152 self._log("Unexpected error while connecting to serial port: %s %s" % (port, getExceptionString()))
154 elif port == 'VIRTUAL':
155 self._serial = VirtualPrinter()
158 self._log("Connecting to: %s" % (port))
160 self._serial = Serial(port, 115200, timeout=0.1)
162 self._serial = Serial(port, baudrate, timeout=2)
164 self._log("Unexpected error while connecting to serial port: %s %s" % (port, getExceptionString()))
165 self._log("Connected to: %s, starting monitor" % (self._serial))
167 self._changeState(self.STATE_DETECT_BAUDRATE)
169 self._changeState(self.STATE_CONNECTING)
170 self.thread = threading.Thread(target=self._monitor)
171 self.thread.daemon = True
174 def _changeState(self, newState):
175 if self._state == newState:
177 oldState = self.getStateString()
178 self._state = newState
179 self._log('Changing monitoring state from \'%s\' to \'%s\'' % (oldState, self.getStateString()))
180 self._callback.mcStateChange(newState)
185 def getStateString(self):
186 if self._state == self.STATE_NONE:
188 if self._state == self.STATE_DETECT_BAUDRATE:
189 return "Detect baudrate"
190 if self._state == self.STATE_CONNECTING:
192 if self._state == self.STATE_OPERATIONAL:
194 if self._state == self.STATE_PRINTING:
196 if self._state == self.STATE_PAUSED:
198 if self._state == self.STATE_CLOSED:
200 if self._state == self.STATE_ERROR:
201 return "Error: %s" % (self._errorValue)
202 if self._state == self.STATE_CLOSED_WITH_ERROR:
203 return "Error: %s" % (self._errorValue)
204 return "?%d?" % (self._state)
206 def isClosedOrError(self):
207 return self._state == self.STATE_ERROR or self._state == self.STATE_CLOSED_WITH_ERROR or self._state == self.STATE_CLOSED
209 def isOperational(self):
210 return self._state == self.STATE_OPERATIONAL or self._state == self.STATE_PRINTING or self._state == self.STATE_PAUSED
212 def isPrinting(self):
213 return self._state == self.STATE_PRINTING
215 def getPrintPos(self):
216 return self._gcodePos
219 return self._state == self.STATE_PAUSED
224 def getBedTemp(self):
228 self._timeoutTime = time.time() + 5
230 line = self._readline()
234 #No matter the state, if we see an error, goto the error state and store the error for reference.
235 if line.startswith('Error: '):
236 #Oh YEAH, consistency.
237 # Marlin reports an MIN/MAX temp error as "Error: x\n: Extruder switched off. MAXTEMP triggered !\n"
238 # But a bed temp error is reported as "Error: Temperature heated bed switched off. MAXTEMP triggered !!"
239 # So we can have an extra newline in the most common case. Awesome work people.
240 if re.match('Error: [0-9]\n', line):
241 line = line.rstrip() + self._readline()
242 self._errorValue = line
243 self._changeState(self.STATE_ERROR)
245 self._temp = float(re.search("[0-9\.]*", line.split('T:')[1]).group(0))
247 self._bedTemp = float(re.search("[0-9\.]*", line.split('B:')[1]).group(0))
248 self._callback.mcTempUpdate(self._temp, self._bedTemp)
249 elif line.strip() != 'ok':
250 self._callback.mcMessage(line)
252 if self._state == self.STATE_DETECT_BAUDRATE:
253 if line == '' or time.time() > self._timeoutTime:
254 if len(self._baudrateDetectList) < 1:
255 self._log("No more baudrates to test, and no suitable baudrate found.")
257 elif self._baudrateDetectRetry > 0:
258 self._baudrateDetectRetry -= 1
259 self._serial.write('\n')
260 self._sendCommand("M105")
262 baudrate = self._baudrateDetectList.pop(0)
264 self._serial.baudrate = baudrate
265 self._serial.timeout = 0.5
266 self._log("Trying baudrate: %d" % (baudrate))
267 self._baudrateDetectRetry = 5
268 self._timeoutTime = time.time() + 5
269 self._serial.write('\n')
270 self._sendCommand("M105")
272 self._log("Unexpected error while setting baudrate: %d %s" % (baudrate, getExceptionString()))
274 self._serial.timeout = 2
275 self._changeState(self.STATE_OPERATIONAL)
276 elif self._state == self.STATE_CONNECTING:
278 self._sendCommand("M105")
280 self._changeState(self.STATE_OPERATIONAL)
281 if time.time() > self._timeoutTime:
283 elif self._state == self.STATE_OPERATIONAL:
284 #Request the temperature on comm timeout (every 2 seconds) when we are not printing.
286 self._sendCommand("M105")
287 elif self._state == self.STATE_PRINTING:
288 if line == '' and time.time() > self._timeoutTime:
289 self._log("Communication timeout during printing, forcing a line")
292 self._timeoutTime = time.time() + 5
293 if not self._commandQueue.empty():
294 self._sendCommand(self._commandQueue.get())
297 elif "resend" in line.lower() or "rs" in line:
299 self._gcodePos = int(line.replace("N:"," ").replace("N"," ").replace(":"," ").split()[-1])
302 self._gcodePos = int(line.split()[1])
303 self._log("Connection closed, closing down monitor")
305 def _log(self, message):
306 self._callback.mcLog(message)
308 self._logQueue.put(message, False)
310 #If the log queue is full, remove the first message and append the new message again
312 self._logQueue.put(message, False)
315 if self._serial == None:
318 ret = self._serial.readline()
320 self._log("Unexpected error while reading serial port: %s" % (getExceptionString()))
321 self._errorValue = getExceptionString()
325 #self._log("Recv: TIMEOUT")
327 self._log("Recv: %s" % (unicode(ret, 'ascii', 'replace').encode('ascii', 'replace').rstrip()))
330 def close(self, isError = False):
331 if self._serial != None:
334 self._changeState(self.STATE_CLOSED_WITH_ERROR)
336 self._changeState(self.STATE_CLOSED)
342 def _sendCommand(self, cmd):
343 if self._serial == None:
345 self._log('Send: %s' % (cmd))
347 self._serial.write(cmd)
348 self._serial.write('\n')
350 self._log("Unexpected error while writing serial port: %s" % (getExceptionString()))
351 self._errorValue = getExceptionString()
355 if self._gcodePos >= len(self._gcodeList):
356 self._changeState(self.STATE_OPERATIONAL)
358 line = self._gcodeList[self._gcodePos]
359 if type(line) is tuple:
360 self._printSection = line[1]
363 if line == 'M0' or line == 'M1':
365 line = 'M105' #Don't send the M0 or M1 to the machine, as M0 and M1 are handled as an LCD menu pause.
366 if self._printSection in self._feedRateModifier:
367 line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self._feedRateModifier[self._printSection])), line)
369 self._log("Unexpected error: %s" % (getExceptionString()))
370 checksum = reduce(lambda x,y:x^y, map(ord, "N%d%s" % (self._gcodePos, line)))
371 self._sendCommand("N%d%s*%d" % (self._gcodePos, line, checksum))
373 self._callback.mcProgress(self._gcodePos)
375 def sendCommand(self, cmd):
376 cmd = cmd.encode('ascii', 'replace')
377 if self.isPrinting():
378 self._commandQueue.put(cmd)
379 elif self.isOperational():
380 self._sendCommand(cmd)
382 def printGCode(self, gcodeList):
383 if not self.isOperational() or self.isPrinting():
385 self._gcodeList = gcodeList
387 self._printSection = 'CUSTOM'
388 self._changeState(self.STATE_PRINTING)
389 for i in xrange(0, 6):
392 def cancelPrint(self):
393 if self.isOperational():
394 self._changeState(self.STATE_OPERATIONAL)
396 def setPause(self, pause):
397 if not pause and self.isPaused():
398 self._changeState(self.STATE_PRINTING)
399 for i in xrange(0, 6):
401 if pause and self.isPrinting():
402 self._changeState(self.STATE_PAUSED)
404 def setFeedrateModifier(self, type, value):
405 self._feedRateModifier[type] = value
407 def getExceptionString():
408 locationInfo = traceback.extract_tb(sys.exc_info()[2])[0]
409 return "%s: '%s' @ %s:%s:%d" % (str(sys.exc_info()[0].__name__), str(sys.exc_info()[1]), os.path.basename(locationInfo[0]), locationInfo[2], locationInfo[1])