def _build_parsed_values(self):
"""
Take the velocity header data sample format and parse it into
values with appropriate tags.
@throws SampleException If there is a problem with sample creation
"""
log.debug('VectorVelocityHeaderDataParticle: raw data =%r', self.raw_data)
try:
unpack_string = '<4s6sH8B20sH'
sync, timestamp, number_of_records, noise1, noise2, noise3, _, correlation1, correlation2, correlation3, _,\
_, cksum = struct.unpack(unpack_string, self.raw_data)
if not validate_checksum('<20H', self.raw_data, cksum):
log.warn("Bad vel3d_cd_data_header from instrument (%r)", self.raw_data)
self.contents[DataParticleKey.QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(timestamp)
except Exception:
log.error('Error creating particle vel3d_cd_data_header, raw data: %r', self.raw_data)
raise SampleException
result = [{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.TIMESTAMP, DataParticleKey.VALUE: timestamp},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NUMBER_OF_RECORDS, DataParticleKey.VALUE: number_of_records},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE1, DataParticleKey.VALUE: noise1},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE2, DataParticleKey.VALUE: noise2},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE3, DataParticleKey.VALUE: noise3},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION1, DataParticleKey.VALUE: correlation1},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION2, DataParticleKey.VALUE: correlation2},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION3, DataParticleKey.VALUE: correlation3}]
log.debug('VectorVelocityHeaderDataParticle: particle=%s', result)
return result
def _build_particle(self, match):
timestamp = NortekProtocolParameterDict.convert_time(match.group(1))
py_timestamp = time.strptime(timestamp, "%d/%m/%Y %H:%M:%S")
self.set_internal_timestamp(unix_time=time.mktime(py_timestamp))
battery = NortekProtocolParameterDict.convert_word_to_int(match.group(2))
sound_speed = NortekProtocolParameterDict.convert_word_to_int(match.group(3))
heading = NortekProtocolParameterDict.convert_word_to_int(match.group(4))
pitch = NortekProtocolParameterDict.convert_word_to_int(match.group(5))
roll = NortekProtocolParameterDict.convert_word_to_int(match.group(6))
temperature = NortekProtocolParameterDict.convert_word_to_int(match.group(7))
error = ord(match.group(8))
status = ord(match.group(9))
analog_input = NortekProtocolParameterDict.convert_word_to_int(match.group(10))
if None == timestamp:
raise SampleException("No timestamp parsed")
if None == battery:
raise SampleException("No battery value parsed")
if None == sound_speed:
raise SampleException("No sound_speed value parsed")
if None == heading:
raise SampleException("No heading value parsed")
if None == pitch:
raise SampleException("No pitch value parsed")
if None == roll:
raise SampleException("No roll value parsed")
if None == temperature:
raise SampleException("No temperature value parsed")
if None == error:
raise SampleException("No error value parsed")
if None == status:
raise SampleException("No status value parsed")
if None == analog_input:
raise SampleException("No analog_input value parsed")
result = [{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TIMESTAMP,
DataParticleKey.VALUE: timestamp},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.BATTERY,
DataParticleKey.VALUE: battery},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.SOUND_SPEED,
DataParticleKey.VALUE: sound_speed},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.HEADING,
DataParticleKey.VALUE: heading},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.PITCH,
DataParticleKey.VALUE: pitch},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ROLL,
DataParticleKey.VALUE: roll},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TEMPERATURE,
DataParticleKey.VALUE: temperature},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ERROR,
DataParticleKey.VALUE: error},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.STATUS,
DataParticleKey.VALUE: status},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ANALOG_INPUT,
DataParticleKey.VALUE: analog_input}]
return result
def _build_particle(self, match):
timestamp = NortekProtocolParameterDict.convert_time(match.group(1))
py_timestamp = time.strptime(timestamp, "%d/%m/%Y %H:%M:%S")
self.set_internal_timestamp(unix_time=time.mktime(py_timestamp))
number_of_records = NortekProtocolParameterDict.convert_word_to_int(match.group(2))
noise1 = ord(match.group(3))
noise2 = ord(match.group(4))
noise3 = ord(match.group(5))
correlation1 = ord(match.group(6))
correlation2 = ord(match.group(7))
correlation3 = ord(match.group(8))
if None == timestamp:
raise SampleException("No timestamp parsed")
if None == number_of_records:
raise SampleException("No number_of_records value parsed")
if None == noise1:
raise SampleException("No noise1 value parsed")
if None == noise2:
raise SampleException("No noise2 value parsed")
if None == noise3:
raise SampleException("No noise3 value parsed")
if None == correlation1:
raise SampleException("No correlation1 value parsed")
if None == correlation2:
raise SampleException("No correlation2 value parsed")
if None == correlation3:
raise SampleException("No correlation3 value parsed")
result = [{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.TIMESTAMP,
DataParticleKey.VALUE: timestamp},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NUMBER_OF_RECORDS,
DataParticleKey.VALUE: number_of_records},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE1,
DataParticleKey.VALUE: noise1},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE2,
DataParticleKey.VALUE: noise2},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.NOISE3,
DataParticleKey.VALUE: noise3},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION1,
DataParticleKey.VALUE: correlation1},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION2,
DataParticleKey.VALUE: correlation2},
{DataParticleKey.VALUE_ID: VectorVelocityHeaderDataParticleKey.CORRELATION3,
DataParticleKey.VALUE: correlation3}]
return result
def _build_parsed_values(self):
"""
Take the velocity data sample and parse it into values with appropriate tags.
@throws SampleException If there is a problem with sample creation
"""
log.debug('AquadoppDwVelocityDataParticle: raw data =%r', self.raw_data)
try:
unpack_string = '<4s6s2h2H3hBbH4h3B1sH'
sync, timestamp, error, analog1, battery_voltage, sound_speed, heading, pitch, roll, pressure_msb, status, \
pressure_lsw, temperature, velocity_beam1, velocity_beam2, velocity_beam3, amplitude_beam1, \
amplitude_beam2, amplitude_beam3, _, cksum = struct.unpack(unpack_string, self.raw_data)
if not validate_checksum('<20H', self.raw_data, cksum):
log.warn("Bad velpt_velocity_data instrument (%r)", self.raw_data)
self.contents[DataParticleKey.QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(timestamp)
pressure = pressure_msb * 0x10000 + pressure_lsw
except Exception:
log.error('Error creating particle velpt_velocity_data, raw data: %r', self.raw_data)
raise SampleException
result = [{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.TIMESTAMP, DataParticleKey.VALUE: timestamp},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ERROR, DataParticleKey.VALUE: error},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ANALOG1, DataParticleKey.VALUE: analog1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.BATTERY_VOLTAGE, DataParticleKey.VALUE: battery_voltage},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.SOUND_SPEED_ANALOG2, DataParticleKey.VALUE: sound_speed},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.HEADING, DataParticleKey.VALUE: heading},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.PITCH, DataParticleKey.VALUE: pitch},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ROLL, DataParticleKey.VALUE: roll},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.STATUS, DataParticleKey.VALUE: status},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.PRESSURE, DataParticleKey.VALUE: pressure},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.TEMPERATURE, DataParticleKey.VALUE: temperature},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM1, DataParticleKey.VALUE: velocity_beam1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM2, DataParticleKey.VALUE: velocity_beam2},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM3, DataParticleKey.VALUE: velocity_beam3},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM1, DataParticleKey.VALUE: amplitude_beam1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM2, DataParticleKey.VALUE: amplitude_beam2},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM3, DataParticleKey.VALUE: amplitude_beam3}]
log.debug('AquadoppDwVelocityDataParticle: particle=%s', result)
return result
def _build_particle(self, match):
"""
Build a particle. Used for parsing Velocity
"""
timestamp = NortekProtocolParameterDict.convert_time(match.group(1))
error = NortekProtocolParameterDict.convert_word_to_int(match.group(2))
analog1 = NortekProtocolParameterDict.convert_word_to_int(match.group(3))
battery_voltage = NortekProtocolParameterDict.convert_word_to_int(match.group(4))
sound_speed = NortekProtocolParameterDict.convert_word_to_int(match.group(5))
heading = NortekProtocolParameterDict.convert_word_to_int(match.group(6))
pitch = NortekProtocolParameterDict.convert_word_to_int(match.group(7))
roll = NortekProtocolParameterDict.convert_word_to_int(match.group(8))
pressure = ord(match.group(9)) * 0x10000
status = ord(match.group(10))
pressure += NortekProtocolParameterDict.convert_word_to_int(match.group(11))
temperature = NortekProtocolParameterDict.convert_word_to_int(match.group(12))
velocity_beam1 = NortekProtocolParameterDict.convert_word_to_int(match.group(13))
velocity_beam2 = NortekProtocolParameterDict.convert_word_to_int(match.group(14))
velocity_beam3 = NortekProtocolParameterDict.convert_word_to_int(match.group(15))
amplitude_beam1 = ord(match.group(16))
amplitude_beam2 = ord(match.group(17))
amplitude_beam3 = ord(match.group(18))
result = [{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.TIMESTAMP, DataParticleKey.VALUE: timestamp},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ERROR, DataParticleKey.VALUE: error},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ANALOG1, DataParticleKey.VALUE: analog1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.BATTERY_VOLTAGE, DataParticleKey.VALUE: battery_voltage},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.SOUND_SPEED_ANALOG2, DataParticleKey.VALUE: sound_speed},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.HEADING, DataParticleKey.VALUE: heading},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.PITCH, DataParticleKey.VALUE: pitch},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.ROLL, DataParticleKey.VALUE: roll},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.STATUS, DataParticleKey.VALUE: status},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.PRESSURE, DataParticleKey.VALUE: pressure},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.TEMPERATURE, DataParticleKey.VALUE: temperature},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM1, DataParticleKey.VALUE: velocity_beam1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM2, DataParticleKey.VALUE: velocity_beam2},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.VELOCITY_BEAM3, DataParticleKey.VALUE: velocity_beam3},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM1, DataParticleKey.VALUE: amplitude_beam1},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM2, DataParticleKey.VALUE: amplitude_beam2},
{DataParticleKey.VALUE_ID: AquadoppDwVelocityDataParticleKey.AMPLITUDE_BEAM3, DataParticleKey.VALUE: amplitude_beam3}]
return result
def _build_parsed_values(self):
"""
Take the system data sample format and parse it into
values with appropriate tags.
@throws SampleException If there is a problem with sample creation
"""
log.debug('VectorSystemDataParticle: raw data =%r', self.raw_data)
try:
unpack_string = '<4s6s2H4h2bHH'
sync, timestamp, battery, sound_speed, heading, pitch, roll, temperature, error, status, analog_input, cksum =\
struct.unpack_from(unpack_string, self.raw_data)
if not validate_checksum('<13H', self.raw_data):
log.warn("Failed checksum in %s from instrument (%r)", self._data_particle_type, self.raw_data)
self.contents[DataParticleKey.QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(timestamp)
self.set_internal_timestamp((timestamp-datetime(1900, 1, 1)).total_seconds())
except Exception as e:
log.error('Error creating particle vel3d_cd_system_data, raw data: %r', self.raw_data)
raise SampleException(e)
result = [{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TIMESTAMP, DataParticleKey.VALUE: str(timestamp)},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.BATTERY, DataParticleKey.VALUE: battery},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.SOUND_SPEED, DataParticleKey.VALUE: sound_speed},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.HEADING, DataParticleKey.VALUE: heading},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.PITCH, DataParticleKey.VALUE: pitch},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ROLL, DataParticleKey.VALUE: roll},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TEMPERATURE, DataParticleKey.VALUE: temperature},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ERROR, DataParticleKey.VALUE: error},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.STATUS, DataParticleKey.VALUE: status},
{DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ANALOG_INPUT, DataParticleKey.VALUE: analog_input}]
log.debug('VectorSystemDataParticle: particle=%r', result)
return result
def _build_parsed_values(self):
"""
Take the system data sample format and parse it into
values with appropriate tags.
@throws SampleException If there is a problem with sample creation
"""
log.debug('VectorSystemDataParticle: raw data =%r', self.raw_data)
try:
unpack_string = '<4s6s2H4h2bHH'
sync, timestamp, battery, sound_speed, heading, pitch, roll, temperature, error, status, analog_input, cksum =\
struct.unpack_from(unpack_string, self.raw_data)
if not validate_checksum('<13H', self.raw_data):
log.warn("Failed checksum in %s from instrument (%r)",
self._data_particle_type, self.raw_data)
self.contents[DataParticleKey.
QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(timestamp)
self.set_internal_timestamp(
(timestamp - datetime(1900, 1, 1)).total_seconds())
except Exception as e:
log.error(
'Error creating particle vel3d_cd_system_data, raw data: %r',
self.raw_data)
raise SampleException(e)
result = [{
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TIMESTAMP,
DataParticleKey.VALUE: str(timestamp)
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.BATTERY,
DataParticleKey.VALUE: battery
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.SOUND_SPEED,
DataParticleKey.VALUE: sound_speed
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.HEADING,
DataParticleKey.VALUE: heading
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.PITCH,
DataParticleKey.VALUE: pitch
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ROLL,
DataParticleKey.VALUE: roll
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.TEMPERATURE,
DataParticleKey.VALUE: temperature
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ERROR,
DataParticleKey.VALUE: error
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.STATUS,
DataParticleKey.VALUE: status
}, {
DataParticleKey.VALUE_ID: VectorSystemDataParticleKey.ANALOG_INPUT,
DataParticleKey.VALUE: analog_input
}]
log.debug('VectorSystemDataParticle: particle=%r', result)
return result
def _build_parsed_values(self):
"""
Take the velocity header data sample format and parse it into
values with appropriate tags.
@throws SampleException If there is a problem with sample creation
"""
log.debug('VectorVelocityHeaderDataParticle: raw data =%r',
self.raw_data)
try:
unpack_string = '<4s6sH8B20sH'
sync, timestamp, number_of_records, noise1, noise2, noise3, _, correlation1, correlation2, correlation3, _,\
_, cksum = struct.unpack(unpack_string, self.raw_data)
if not validate_checksum('<20H', self.raw_data):
log.warn("Failed checksum in %s from instrument (%r)",
self._data_particle_type, self.raw_data)
self.contents[DataParticleKey.
QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(timestamp)
self.set_internal_timestamp(
(timestamp - datetime(1900, 1, 1)).total_seconds())
except Exception as e:
log.error(
'Error creating particle vel3d_cd_data_header, raw data: %r',
self.raw_data)
raise SampleException(e)
result = [{
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.TIMESTAMP,
DataParticleKey.VALUE:
str(timestamp)
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.NUMBER_OF_RECORDS,
DataParticleKey.VALUE:
number_of_records
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.NOISE1,
DataParticleKey.VALUE:
noise1
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.NOISE2,
DataParticleKey.VALUE:
noise2
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.NOISE3,
DataParticleKey.VALUE:
noise3
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.CORRELATION1,
DataParticleKey.VALUE:
correlation1
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.CORRELATION2,
DataParticleKey.VALUE:
correlation2
}, {
DataParticleKey.VALUE_ID:
VectorVelocityHeaderDataParticleKey.CORRELATION3,
DataParticleKey.VALUE:
correlation3
}]
log.debug('VectorVelocityHeaderDataParticle: particle=%s', result)
return result
def _build_parsed_values(self):
"""
Take the velocity data sample and parse it into values with appropriate tags.
@throws SampleException If there is a problem with sample creation
typedef struct {
unsigned char cSync; // sync = 0xa5
unsigned char cId; // identification (0x01=normal, 0x80=diag)
unsigned short hSize; // size of structure (words)
PdClock clock; // date and time
short hError; // error code:
unsigned short hAnaIn1; // analog input 1
unsigned short hBattery; // battery voltage (0.1 V)
union {
unsigned short hSoundSpeed; // speed of sound (0.1 m/s)
unsigned short hAnaIn2; // analog input 2
} u;
short hHeading; // compass heading (0.1 deg)
short hPitch; // compass pitch (0.1 deg)
short hRoll; // compass roll (0.1 deg)
unsigned char cPressureMSB; // pressure MSB
char cStatus; // status:
unsigned short hPressureLSW; // pressure LSW
short hTemperature; // temperature (0.01 deg C)
short hVel[3]; // velocity
unsigned char cAmp[3]; // amplitude
char cFill;
short hChecksum; // checksum
} PdMeas;
"""
try:
unpack_format = (
('sync', '<4s'), # cSync, cId, hSize
('timestamp', '6s'), # PdClock
('error', 'H'), # defined as signed short, but represents bitmap, using unsigned
('analog1', 'H'),
('battery_voltage', 'H'),
('sound_speed', 'H'),
('heading', 'h'),
('pitch', 'h'),
('roll', 'h'),
('pressure_msb', 'B'),
('status', 'B'), # defined as char, but represents bitmap, using unsigned
('pressure_lsw', 'H'),
('temperature', 'h'),
('velocity_beam1', 'h'),
('velocity_beam2', 'h'),
('velocity_beam3', 'h'),
('amplitude_beam1', 'B'),
('amplitude_beam2', 'B'),
('amplitude_beam3', 'B'),
)
data = unpack_from_format(self._data_particle_type, unpack_format, self.raw_data)
if not validate_checksum('<20H', self.raw_data):
log.warn("Failed checksum in %s from instrument (%r)", self._data_particle_type, self.raw_data)
self.contents[DataParticleKey.QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(data.timestamp)
self.set_internal_timestamp((timestamp-datetime(1900, 1, 1)).total_seconds())
pressure = data.pressure_msb * 0x10000 + data.pressure_lsw
except Exception as e:
log.error('Error creating particle velpt_velocity_data, raw data: %r', self.raw_data)
raise SampleException(e)
key = AquadoppDwVelocityDataParticleKey
result = [{DataParticleKey.VALUE_ID: key.TIMESTAMP, DataParticleKey.VALUE: str(timestamp)},
{DataParticleKey.VALUE_ID: key.ERROR, DataParticleKey.VALUE: data.error},
{DataParticleKey.VALUE_ID: key.ANALOG1, DataParticleKey.VALUE: data.analog1},
{DataParticleKey.VALUE_ID: key.BATTERY_VOLTAGE, DataParticleKey.VALUE: data.battery_voltage},
{DataParticleKey.VALUE_ID: key.SOUND_SPEED_ANALOG2, DataParticleKey.VALUE: data.sound_speed},
{DataParticleKey.VALUE_ID: key.HEADING, DataParticleKey.VALUE: data.heading},
{DataParticleKey.VALUE_ID: key.PITCH, DataParticleKey.VALUE: data.pitch},
{DataParticleKey.VALUE_ID: key.ROLL, DataParticleKey.VALUE: data.roll},
{DataParticleKey.VALUE_ID: key.STATUS, DataParticleKey.VALUE: data.status},
{DataParticleKey.VALUE_ID: key.PRESSURE, DataParticleKey.VALUE: pressure},
{DataParticleKey.VALUE_ID: key.TEMPERATURE, DataParticleKey.VALUE: data.temperature},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM1, DataParticleKey.VALUE: data.velocity_beam1},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM2, DataParticleKey.VALUE: data.velocity_beam2},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM3, DataParticleKey.VALUE: data.velocity_beam3},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM1, DataParticleKey.VALUE: data.amplitude_beam1},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM2, DataParticleKey.VALUE: data.amplitude_beam2},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM3, DataParticleKey.VALUE: data.amplitude_beam3}]
return result
def _build_parsed_values(self):
"""
Take the velocity data sample and parse it into values with appropriate tags.
@throws SampleException If there is a problem with sample creation
typedef struct {
unsigned char cSync; // sync = 0xa5
unsigned char cId; // identification (0x01=normal, 0x80=diag)
unsigned short hSize; // size of structure (words)
PdClock clock; // date and time
short hError; // error code:
unsigned short hAnaIn1; // analog input 1
unsigned short hBattery; // battery voltage (0.1 V)
union {
unsigned short hSoundSpeed; // speed of sound (0.1 m/s)
unsigned short hAnaIn2; // analog input 2
} u;
short hHeading; // compass heading (0.1 deg)
short hPitch; // compass pitch (0.1 deg)
short hRoll; // compass roll (0.1 deg)
unsigned char cPressureMSB; // pressure MSB
char cStatus; // status:
unsigned short hPressureLSW; // pressure LSW
short hTemperature; // temperature (0.01 deg C)
short hVel[3]; // velocity
unsigned char cAmp[3]; // amplitude
char cFill;
short hChecksum; // checksum
} PdMeas;
"""
try:
unpack_format = (
('sync', '<4s'), # cSync, cId, hSize
('timestamp', '6s'), # PdClock
('error', 'H'), # defined as signed short, but represents bitmap, using unsigned
('analog1', 'H'),
('battery_voltage', 'H'),
('sound_speed', 'H'),
('heading', 'h'),
('pitch', 'h'),
('roll', 'h'),
('pressure_msb', 'B'),
('status', 'B'), # defined as char, but represents bitmap, using unsigned
('pressure_lsw', 'H'),
('temperature', 'h'),
('velocity_beam1', 'h'),
('velocity_beam2', 'h'),
('velocity_beam3', 'h'),
('amplitude_beam1', 'B'),
('amplitude_beam2', 'B'),
('amplitude_beam3', 'B'),
)
data = unpack_from_format(self._data_particle_type, unpack_format, self.raw_data)
if not validate_checksum('<20H', self.raw_data):
log.warn("Failed checksum in %s from instrument (%r)", self._data_particle_type, self.raw_data)
self.contents[DataParticleKey.QUALITY_FLAG] = DataParticleValue.CHECKSUM_FAILED
timestamp = NortekProtocolParameterDict.convert_time(data.timestamp)
self.set_internal_timestamp((timestamp-datetime(1900, 1, 1)).total_seconds())
pressure = data.pressure_msb * 0x10000 + data.pressure_lsw
except Exception as e:
log.error('Error creating particle velpt_velocity_data, raw data: %r', self.raw_data)
raise SampleException(e)
key = AquadoppDwVelocityDataParticleKey
result = [{DataParticleKey.VALUE_ID: key.TIMESTAMP, DataParticleKey.VALUE: str(timestamp)},
{DataParticleKey.VALUE_ID: key.ERROR, DataParticleKey.VALUE: data.error},
{DataParticleKey.VALUE_ID: key.ANALOG1, DataParticleKey.VALUE: data.analog1},
{DataParticleKey.VALUE_ID: key.BATTERY_VOLTAGE, DataParticleKey.VALUE: data.battery_voltage},
{DataParticleKey.VALUE_ID: key.SOUND_SPEED_ANALOG2, DataParticleKey.VALUE: data.sound_speed},
{DataParticleKey.VALUE_ID: key.HEADING, DataParticleKey.VALUE: data.heading},
{DataParticleKey.VALUE_ID: key.PITCH, DataParticleKey.VALUE: data.pitch},
{DataParticleKey.VALUE_ID: key.ROLL, DataParticleKey.VALUE: data.roll},
{DataParticleKey.VALUE_ID: key.STATUS, DataParticleKey.VALUE: data.status},
{DataParticleKey.VALUE_ID: key.PRESSURE, DataParticleKey.VALUE: pressure},
{DataParticleKey.VALUE_ID: key.TEMPERATURE, DataParticleKey.VALUE: data.temperature},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM1, DataParticleKey.VALUE: data.velocity_beam1},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM2, DataParticleKey.VALUE: data.velocity_beam2},
{DataParticleKey.VALUE_ID: key.VELOCITY_BEAM3, DataParticleKey.VALUE: data.velocity_beam3},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM1, DataParticleKey.VALUE: data.amplitude_beam1},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM2, DataParticleKey.VALUE: data.amplitude_beam2},
{DataParticleKey.VALUE_ID: key.AMPLITUDE_BEAM3, DataParticleKey.VALUE: data.amplitude_beam3}]
return result
