Recently I had problems with a temperature sensor. It used to work
fine, and all of the sudden it stopped working. Using the owread
program worked however.
I went into the code and noticed that in the ownet/connection.read
routine, a value of "None" is returned whenever a ping is received.
That is not what happens in the c-code of owread, where there is a
loop while payload<0 (which is a ping, right?).
The code in question is in ownet/connection.py: I commented out the
"else" part of the loop.
while 1:
data = s.recv(24)
#print "data, len", data, len(data)
if len(data) is not 24:
raise exShortRead
ret, payload_len, data_len = self.unpack(data)
if payload_len >= 0:
data = s.recv(payload_len)
rtn = self.toNumber(data[:data_len])
break
#else:
# ping response
#rtn = None
#break
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