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Merge pull request #250 from ajd4096/experimental 

Check whether printer is online when calling send()
master
kliment 2012-06-28 08:41:49 -07:00
parent 510b7db655 a300fb8eb2
commit a198488d2d
1 changed files with 16 additions and 13 deletions
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29
printcore.py
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@ -198,20 +198,23 @@ class printcore():
"""Adds a command to the checksummed main command queue if printing, or sends the command immediately if not printing
"""
if(self.printing):
self.mainqueue+=[command]
if(self.online):
if(self.printing):
self.mainqueue+=[command]
else:
while not self.clear:
time.sleep(0.001)
if (wait == 0 and self.wait > 0):
wait = self.wait
if (wait > 0)
self.clear=False
self._send(command,self.lineno,True)
self.lineno+=1
while ((wait > 0) and not self.clear):
time.sleep(0.001)
wait-=1
else:
while not self.clear:
time.sleep(0.001)
if (wait == 0 and self.wait > 0):
wait = self.wait
if (wait > 0)
self.clear=False
self._send(command,self.lineno,True)
self.lineno+=1
while ((wait > 0) and not self.clear):
time.sleep(0.001)
wait-=1
print "Not connected to printer."
def send_now(self,command,wait=0):