def test_time_type():
"""
Tests the TimeType serialization and deserialization
"""
TIME_SIZE = 11
in_no_err_list = [
(TimeBase["TB_NONE"].value, 1, 100, 999999),
(TimeBase["TB_PROC_TIME"].value, 0xFF, 1234567, 2952),
(TimeBase["TB_WORKSTATION_TIME"].value, 8, 1529430215, 12),
(TimeBase["TB_SC_TIME"].value, 231, 1344230277, 123456),
(TimeBase["TB_FPGA_TIME"].value, 78, 10395, 24556),
(TimeBase["TB_DONT_CARE"].value, 0xB3, 12390819, 12356),
]
in_err_list = [
(10, 58, 15345, 0),
(TimeBase["TB_NONE"].value, 1, 3, -1),
(TimeBase["TB_WORKSTATION_TIME"].value, 1, 700000, 1234567),
]
val = TimeType()
size = val.getSize()
assert size == TIME_SIZE
for (t_base, t_context, secs, usecs) in in_no_err_list:
ser_deser_time_test(t_base, t_context, secs, usecs)
for (t_base, t_context, secs, usecs) in in_err_list:
with pytest.raises(TypeRangeException):
ser_deser_time_test(t_base, t_context, secs, usecs)
def decode_api(self, data):
"""
Decodes the given data and returns the result.
This function allows for non-registered code to call the same decoding
code as is used to parse data passed to the data_callback function.
Args:
data: (bytearray) Binary packetized telemetry data to decode
Returns:
Parsed version of the input data in the form of a PktData object
or None if the data is not decodable
"""
ptr = 0
# Decode Pkt ID here...
id_obj = U16Type()
id_obj.deserialize(data, ptr)
ptr += id_obj.getSize()
pkt_id = id_obj.val
# Decode time...
pkt_time = TimeType()
pkt_time.deserialize(data, ptr)
ptr += pkt_time.getSize()
if pkt_id not in self.__dict:
# Don't crash if can't find pkt. Just notify and keep going
print("Packet decode error: id %d not in dictionary. Time=%s" %
(pkt_id, pkt_time.to_readable()))
print("Full pkt = \n")
for i in data:
print("0x%02x" % ord(i))
return None
# Retrieve the template instance for this channel
pkt_temp = self.__dict[pkt_id]
ch_temps = pkt_temp.get_ch_list()
ch_data_objs = []
for ch_temp in ch_temps:
val_obj = self.decode_ch_val(data, ptr, ch_temp)
ptr += val_obj.getSize()
ch_data_objs.append(ChData(val_obj, pkt_time, ch_temp))
return PktData(ch_data_objs, pkt_time, pkt_temp)
def decode_api(self, data):
'''
Decodes the given data and returns the result.
This function allows for non-registered code to call the same decoding
code as is used to parse data passed to the data_callback function.
Args:
data: Binary telemetry channel data to decode
Returns:
Parsed version of the channel telemetry data in the form of a
ChData object or None if the data is not decodable
'''
ptr = 0
# Decode Ch ID here...
id_obj = U32Type()
id_obj.deserialize(data, ptr)
ptr += id_obj.getSize()
ch_id = id_obj.val
# Decode time...
ch_time = TimeType()
ch_time.deserialize(data, ptr)
ptr += ch_time.getSize()
if ch_id in self.__dict:
# Retrieve the template instance for this channel
ch_temp = self.__dict[ch_id]
val_obj = self.decode_ch_val(data, ptr, ch_temp)
return ChData(val_obj, ch_time, ch_temp)
else:
print("Channel decode error: id %d not in dictionary" % ch_id)
return None