def __tcp_read(self, isGpsd=False):
buf = ''
data = True
while data and not self._cancel:
reads, writes, errors = select.select([self._comm], [self._comm],
[self._comm], 0.1)
for read in reads:
data = read.recv(64)
buf += data
while buf.find('\n') != -1:
line, buf = buf.split('\n', 1)
if not isGpsd:
pos = line.find('$')
if pos != -1 and pos + 1 < len(line):
yield line[pos + 1:].rstrip('\r\n')
else:
yield line
if self._raw:
line = limit_to_ascii(line)
post_event(self._notify,
EventThread(Event.LOC_RAW, 0, line))
for write in writes:
if self._send is not None:
write.sendall(self._send)
self._send = None
for _error in errors:
post_event(self._notify,
EventThread(Event.LOC_ERR, 0, 'Connection dropped'))
return
def __serial_read(self):
isSentence = False
sentence = ''
while not self._cancel:
data = self._comm.read(1)
if data:
self._timeout.reset()
if data == '$':
isSentence = True
continue
if data == '\r' or data == '\n':
isSentence = False
if sentence:
yield sentence
if self._raw:
line = limit_to_ascii(sentence)
post_event(self._notify,
EventThread(Event.LOC_RAW, 0, line))
sentence = ''
if isSentence:
sentence += data
else:
time.sleep(0.1)