def decode(self, data):
"""
Take the data bytearray. Decode the data to populate
the velocities.
:param data: Bytearray for the dataset.
"""
packet_pointer = Ensemble.GetBaseDataSize(self.name_len)
for beam in range(self.element_multiplier):
for bin_num in range(self.num_elements):
self.GoodEarth[bin_num][beam] = Ensemble.GetInt32(
packet_pointer,
Ensemble().BytesInInt32, data)
packet_pointer += Ensemble().BytesInInt32
logger.debug(self.GoodEarth)
def decode_data_sets(self, ens):
"""
Decode the datasets in the ensemble.
:param ens: Ensemble data. Decode the dataset.
:return: Return the decoded ensemble.
"""
#print(ens)
packetPointer = Ensemble().HeaderSize
type = 0
numElements = 0
elementMultiplier = 0
imag = 0
nameLen = 0
name = ""
dataSetSize = 0
# Create the ensemble
ensemble = Ensemble()
# Add the raw data to the ensemble
#ensemble.AddRawData(ens)
# Decode the ensemble datasets
for x in range(Ensemble().MaxNumDataSets):
# Check if we are at the end of the payload
if packetPointer >= len(ens):
break
# Get the dataset info
ds_type = Ensemble.GetInt32(
packetPointer + (Ensemble.BytesInInt32 * 0),
Ensemble().BytesInInt32, ens)
num_elements = Ensemble.GetInt32(
packetPointer + (Ensemble.BytesInInt32 * 1),
Ensemble().BytesInInt32, ens)
element_multiplier = Ensemble.GetInt32(
packetPointer + (Ensemble.BytesInInt32 * 2),
Ensemble().BytesInInt32, ens)
image = Ensemble.GetInt32(
packetPointer + (Ensemble.BytesInInt32 * 3),
Ensemble().BytesInInt32, ens)
name_len = Ensemble.GetInt32(
packetPointer + (Ensemble.BytesInInt32 * 4),
Ensemble().BytesInInt32, ens)
name = str(
ens[packetPointer + (Ensemble.BytesInInt32 * 5):packetPointer +
(Ensemble.BytesInInt32 * 5) + 8], 'UTF-8')
# Calculate the dataset size
data_set_size = Ensemble.GetDataSetSize(ds_type, name_len,
num_elements,
element_multiplier)
# Beam Velocity
if "E000001" in name:
logger.debug(name)
bv = BeamVelocity(num_elements, element_multiplier)
bv.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddBeamVelocity(bv)
# Instrument Velocity
if "E000002" in name:
logger.debug(name)
iv = InstrumentVelocity(num_elements, element_multiplier)
iv.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddInstrumentVelocity(iv)
# Earth Velocity
if "E000003" in name:
logger.debug(name)
ev = EarthVelocity(num_elements, element_multiplier)
ev.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddEarthVelocity(ev)
# Amplitude
if "E000004" in name:
logger.debug(name)
amp = Amplitude(num_elements, element_multiplier)
amp.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddAmplitude(amp)
# Correlation
if "E000005" in name:
logger.debug(name)
corr = Correlation(num_elements, element_multiplier)
corr.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddCorrelation(corr)
# Good Beam
if "E000006" in name:
logger.debug(name)
gb = GoodBeam(num_elements, element_multiplier)
gb.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddGoodBeam(gb)
# Good Earth
if "E000007" in name:
logger.debug(name)
ge = GoodEarth(num_elements, element_multiplier)
ge.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddGoodEarth(ge)
# Ensemble Data
if "E000008" in name:
logger.debug(name)
ed = EnsembleData(num_elements, element_multiplier)
ed.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddEnsembleData(ed)
# Ancillary Data
if "E000009" in name:
logger.debug(name)
ad = AncillaryData(num_elements, element_multiplier)
ad.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddAncillaryData(ad)
# Bottom Track
if "E000010" in name:
logger.debug(name)
bt = BottomTrack(num_elements, element_multiplier)
bt.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddBottomTrack(bt)
# NMEA data
if "E000011" in name:
logger.debug(name)
nd = NmeaData(num_elements, element_multiplier)
nd.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddNmeaData(nd)
# System Setup
if "E000014" in name:
logger.debug(name)
ss = SystemSetup(num_elements, element_multiplier)
ss.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddSystemSetup(ss)
# Range Tracking
if "E000015" in name:
logger.debug(name)
rt = RangeTracking(num_elements, element_multiplier)
rt.decode(ens[packetPointer:packetPointer + data_set_size])
ensemble.AddRangeTracking(rt)
# Move to the next dataset
packetPointer += data_set_size
return ensemble
def decode(self, data):
"""
Take the data bytearray. Decode the data to populate
the values.
:param data: Bytearray for the dataset.
"""
packet_pointer = Ensemble.GetBaseDataSize(self.name_len)
self.EnsembleNumber = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 0,
Ensemble().BytesInInt32, data)
self.NumBins = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 1,
Ensemble().BytesInInt32, data)
self.NumBeams = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 2,
Ensemble().BytesInInt32, data)
self.DesiredPingCount = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 3,
Ensemble().BytesInInt32, data)
self.ActualPingCount = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 4,
Ensemble().BytesInInt32, data)
self.Status = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 5,
Ensemble().BytesInInt32, data)
self.Year = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 6,
Ensemble().BytesInInt32, data)
self.Month = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 7,
Ensemble().BytesInInt32, data)
self.Day = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 8,
Ensemble().BytesInInt32, data)
self.Hour = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 9,
Ensemble().BytesInInt32, data)
self.Minute = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 10,
Ensemble().BytesInInt32, data)
self.Second = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 11,
Ensemble().BytesInInt32, data)
self.HSec = Ensemble.GetInt32(
packet_pointer + Ensemble().BytesInInt32 * 12,
Ensemble().BytesInInt32, data)
self.SerialNumber = str(
data[packet_pointer + Ensemble().BytesInInt32 * 13:packet_pointer +
Ensemble().BytesInInt32 * 21], "UTF-8")
self.SysFirmwareRevision = struct.unpack(
"B", data[packet_pointer + Ensemble().BytesInInt32 * 21 +
0:packet_pointer + Ensemble().BytesInInt32 * 21 + 1])[0]
self.SysFirmwareMinor = struct.unpack(
"B", data[packet_pointer + Ensemble().BytesInInt32 * 21 +
1:packet_pointer + Ensemble().BytesInInt32 * 21 + 2])[0]
self.SysFirmwareMajor = struct.unpack(
"B", data[packet_pointer + Ensemble().BytesInInt32 * 21 +
2:packet_pointer + Ensemble().BytesInInt32 * 21 + 3])[0]
self.SysFirmwareSubsystemCode = str(
data[packet_pointer + Ensemble().BytesInInt32 * 21 +
3:packet_pointer + Ensemble().BytesInInt32 * 21 + 4], "UTF-8")
self.SubsystemConfig = struct.unpack(
"B", data[packet_pointer + Ensemble().BytesInInt32 * 22 +
3:packet_pointer + Ensemble().BytesInInt32 * 22 + 4])[0]
logger.debug(self.EnsembleNumber)
logger.debug(
str(self.Month) + "/" + str(self.Day) + "/" + str(self.Year) +
" " + str(self.Hour) + ":" + str(self.Minute) + ":" +
str(self.Second) + "." + str(self.HSec))
logger.debug(self.SerialNumber)
logger.debug(
str(self.SysFirmwareMajor) + "." + str(self.SysFirmwareMinor) +
"." + str(self.SysFirmwareRevision) + "-" +
str(self.SysFirmwareSubsystemCode))
logger.debug(self.SubsystemConfig)