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fix parity #1

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fix parity #1

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21 changes: 19 additions & 2 deletions sas.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,8 @@
#ser = serial.Serial('/dev/ttyS3','19200', timeout=1) # open first serial port
data_to_sent=[0x01, 0x21, 0x00, 0x00]
#adress=1
#print "OK"
#print "OK
PARYTY_CHANGE = True
meters = dict.fromkeys(('total_cancelled_credits_meter',
'total_in_meter',
'total_out_meter',
Expand Down Expand Up @@ -267,7 +268,19 @@ def start(self):


return True

def __events_port_conf(self):
self.connection.close()
self.connection.parity = serial.PARITY_NONE
self.connection.stopbits = serial.STOPBITS_TWO
self.connection.open()

def __port_conf(self):
self.connection.close()
self.connection.parity = serial.PARITY_SPACE
self.connection.stopbits = serial.STOPBITS_ONE
self.connection.open()

def __send_command( self, command, no_response=False, timeout=3, crc_need=True):
busy = True
response=b''
Expand Down Expand Up @@ -358,6 +371,8 @@ def checkResponse(self, rsp):
## return

def events_poll(self, timeout=1):
if PARYTY_CHANGE == True:
self.__events_port_conf()
event=''
cmd=[0x80+self.adress]
try:
Expand All @@ -372,7 +387,9 @@ def events_poll(self, timeout=1):

except Exception as e:
print e
return None
event = None
if PARYTY_CHANGE == True:
self.__port_conf()
return event


Expand Down