def read(self):
data_def = self.E2PROM.read(E2PROM_START_ADDRESS, E2PROM_OFFSET)
if data_def is None:
self.logger.warning("read: data_def is None, returning None")
return None
fixed_data = util.parse_data_def(data_def)
if fixed_data is None:
self.logger.warning("read: wrong fixed data, length: %d, [0]: %x [1]: %x, returning None",
len(data_def), data_def[0], data_def[1])
return None
if ((fixed_data['state']['current_pos'] > E2PROM_END_ADDRESS) or
(fixed_data['state']['current_pos'] < E2PROM_START_VARIABLE) or
(fixed_data['state']['current_pos'] % E2PROM_CHUNK_HALF != 0)):
self.logger.warning("read: wrong cursor value %d, returning None", fixed_data['state']['current_pos'])
self.logger.warning("read: previous cursor value %d", self.fixedPar['state']['current_pos'])
return None
if self.fixedPar['state']['current_pos'] != fixed_data['state']['current_pos']:
old_pos = self.fixedPar['state']['current_pos']
self.dataDef = data_def
self.fixedPar = fixed_data
if ((fixed_data['state']['current_pos'] - old_pos > E2PROM_CHUNK_HALF) or
(fixed_data['state']['current_pos'] == E2PROM_START_VARIABLE and
old_pos != E2PROM_END_ADDRESS - E2PROM_CHUNK_HALF)):
self.logger.warning('New pos (%d) distance not correct, previous pos (%d)',
fixed_data['state']['current_pos'],
self.fixedPar['state']['current_pos'])
return None
cursor = self.fixedPar['state']['current_pos']
if cursor < (E2PROM_END_ADDRESS - E2PROM_CHUNK_HALF):
buf1, buf2 = self._get(cursor)
if buf1 is None or buf2 is None:
self.logger.warning("read: _get (1) returned None, cursor: %d, returning None", cursor)
return None
rec = util.parse_ws_record(buf1)
else:
cursor -= E2PROM_CHUNK_HALF
self.logger.info('get_current_record: buffer end (%d)', cursor)
buf1, buf2 = self._get(cursor)
if buf1 is None or buf2 is None:
self.logger.warning("read: _get (2) returned None, cursor: %d, returning None", cursor)
return None
rec = util.parse_ws_record(buf2)
ts = datetime.now()
rec['time_str'] = ts.isoformat()
rec['time'] = util.msecs(ts)
rec['cursor'] = cursor
return rec
def __init__(self):
self.logger = logging.getLogger('WS1080.WS')
self.logger.debug('init')
self.E2PROM = E2PROM()
self.dataDef = self.E2PROM.read(E2PROM_START_ADDRESS, E2PROM_OFFSET)
if self.dataDef is None:
self.logger.warning("WS init: dataDef is None, terminating...")
sys.exit(1)
self.fixedPar = util.parse_data_def(self.dataDef)
if self.fixedPar is None:
self.logger.warning("WS init: fixedPar is None, Length: %d, [0]: %x [1]: %x, terminating...",
len(self.dataDef), self.dataDef[0], self.dataDef[1])
sys.exit(1)
def __init__(self):
self.logger = logging.getLogger('WS1080.WS')
self.logger.debug('init')
self.E2PROM = E2PROM()
self.dataDef = self.E2PROM.read(E2PROM_START_ADDRESS, E2PROM_OFFSET)
if self.dataDef is None:
self.logger.warning("WS init: dataDef is None, terminating...")
sys.exit(1)
self.fixedPar = util.parse_data_def(self.dataDef)
if self.fixedPar is None:
self.logger.warning(
"WS init: fixedPar is None, Length: %d, [0]: %x [1]: %x, terminating...",
len(self.dataDef), self.dataDef[0], self.dataDef[1])
sys.exit(1)
def read(self):
data_def = self.E2PROM.read(E2PROM_START_ADDRESS, E2PROM_OFFSET)
if data_def is None:
self.logger.warning("read: data_def is None, returning None")
return None
fixed_data = util.parse_data_def(data_def)
if fixed_data is None:
self.logger.warning(
"read: wrong fixed data, length: %d, [0]: %x [1]: %x, returning None",
len(data_def), data_def[0], data_def[1])
return None
if ((fixed_data['state']['current_pos'] > E2PROM_END_ADDRESS)
or (fixed_data['state']['current_pos'] < E2PROM_START_VARIABLE)
or
(fixed_data['state']['current_pos'] % E2PROM_CHUNK_HALF != 0)):
self.logger.warning("read: wrong cursor value %d, returning None",
fixed_data['state']['current_pos'])
self.logger.warning("read: previous cursor value %d",
self.fixedPar['state']['current_pos'])
return None
if self.fixedPar['state']['current_pos'] != fixed_data['state'][
'current_pos']:
old_pos = self.fixedPar['state']['current_pos']
self.dataDef = data_def
self.fixedPar = fixed_data
if ((fixed_data['state']['current_pos'] - old_pos >
E2PROM_CHUNK_HALF) or
(fixed_data['state']['current_pos'] == E2PROM_START_VARIABLE
and old_pos != E2PROM_END_ADDRESS - E2PROM_CHUNK_HALF)):
self.logger.warning(
'New pos (%d) distance not correct, previous pos (%d)',
fixed_data['state']['current_pos'],
self.fixedPar['state']['current_pos'])
return None
cursor = self.fixedPar['state']['current_pos']
if cursor < (E2PROM_END_ADDRESS - E2PROM_CHUNK_HALF):
buf1, buf2 = self._get(cursor)
if buf1 is None or buf2 is None:
self.logger.warning(
"read: _get (1) returned None, cursor: %d, returning None",
cursor)
return None
rec = util.parse_ws_record(buf1)
else:
cursor -= E2PROM_CHUNK_HALF
self.logger.info('get_current_record: buffer end (%d)', cursor)
buf1, buf2 = self._get(cursor)
if buf1 is None or buf2 is None:
self.logger.warning(
"read: _get (2) returned None, cursor: %d, returning None",
cursor)
return None
rec = util.parse_ws_record(buf2)
ts = datetime.now()
rec['time_str'] = ts.isoformat()
rec['time'] = util.msecs(ts)
rec['cursor'] = cursor
return rec
