Cura/serialCommunication.py

   1 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
   2
   3 # Serial communication with the printer for printing is done from a separate process,
   4 # this to ensure that the PIL does not block the serial printing.
   5
   6 import sys
   7 import time
   8 import os
   9
  10 from Cura.util import machineCom
  11
  12 class serialComm(object):
  13         def __init__(self, portName):
  14                 self._comm = None
  15                 self._gcodeList = []
  16
  17                 self._comm = machineCom.MachineCom(portName, callbackObject=self)
  18
  19         def mcLog(self, message):
  20                 sys.stdout.write('log:%s\n' % (message))
  21
  22         def mcTempUpdate(self, temp, bedTemp, targetTemp, bedTargetTemp):
  23                 sys.stdout.write('temp:%s\n' % str(temp))
  24
  25         def mcStateChange(self, state):
  26                 if self._comm is None:
  27                         return
  28                 sys.stdout.write('state:%d:%s\n' % (state, self._comm.getStateString()))
  29
  30         def mcMessage(self, message):
  31                 sys.stdout.write('message:%s\n' % (message))
  32
  33         def mcProgress(self, lineNr):
  34                 sys.stdout.write('progress:%d\n' % (lineNr))
  35
  36         def mcZChange(self, newZ):
  37                 sys.stdout.write('changeZ:%d\n' % (newZ))
  38
  39         def monitorStdin(self):
  40
  41                 while not self._comm.isClosed():
  42                         line = sys.stdin.readline().strip()
  43                         line = line.split(':', 1)
  44                         if line[0] == 'STOP':
  45                                 self._comm.cancelPrint()
  46                                 self._gcodeList = []
  47                         elif line[0] == 'G':
  48                                 self._gcodeList.append(line[1])
  49                         elif line[0] == 'START':
  50                                 self._comm.printGCode(self._gcodeList)
  51                         else:
  52                                 sys.stderr.write(str(line))
  53
  54 def main():
  55         if len(sys.argv) != 2:
  56                 return
  57         sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
  58         portName = sys.argv[1]
  59         comm = serialComm(portName)
  60         comm.monitorStdin()
  61
  62 if __name__ == '__main__':
  63         main()