"""Provides methods to configure the Pvt measurement."""
import functools
import nirfmxtdscdma.attributes as attributes
import nirfmxtdscdma.enums as enums
import nirfmxtdscdma.errors as errors
import nirfmxtdscdma.internal._helper as _helper
def _raise_if_disposed(f):
"""From https://stackoverflow.com/questions/5929107/decorators-with-parameters."""
@functools.wraps(f)
def aux(*xs, **kws):
meas_obj = xs[0] # parameter 0 is 'self' which is the measurement object
if meas_obj._signal_obj.is_disposed:
raise Exception("Cannot access a disposed Tdscdma signal configuration")
return f(*xs, **kws)
return aux
[docs]
class PvtConfiguration(object):
"""Provides methods to configure the Pvt measurement."""
def __init__(self, signal_obj):
"""Provides methods to configure the Pvt measurement."""
self._signal_obj = signal_obj
self._session_function_lock = signal_obj._session_function_lock
self._interpreter = signal_obj._interpreter
[docs]
@_raise_if_disposed
def get_measurement_enabled(self, selector_string):
r"""Gets whether to enable the power versus time (PVT) measurement (Transmit ON/off time mask) according to the 3GPP
TS 34.122 specification.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (bool):
Specifies whether to enable the power versus time (PVT) measurement (Transmit ON/off time mask) according to the 3GPP
TS 34.122 specification.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_MEASUREMENT_ENABLED.value
)
attr_val = bool(attr_val)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_measurement_enabled(self, selector_string, value):
r"""Sets whether to enable the power versus time (PVT) measurement (Transmit ON/off time mask) according to the 3GPP
TS 34.122 specification.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
value (bool):
Specifies whether to enable the power versus time (PVT) measurement (Transmit ON/off time mask) according to the 3GPP
TS 34.122 specification.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.PVT_MEASUREMENT_ENABLED.value,
int(value),
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_measurement_method(self, selector_string):
r"""Gets the method for performing the power versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Normal**.
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+===================+==========================================================================================================================+
| Normal (0) | The PVT measurement acquires the spectrum using the same signal analyzer setting across frequency bands. Use this |
| | method when a higher measurement speed is preferred over a higher dynamic range. |
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
| Dynamic Range (1) | The PVT measurement acquires the spectrum using the hardware-specific optimizations for different frequency bands. Use |
| | this method to get the best dynamic range. |
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.PvtMeasurementMethod):
Specifies the method for performing the power versus time (PVT) measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_MEASUREMENT_METHOD.value
)
attr_val = enums.PvtMeasurementMethod(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_measurement_method(self, selector_string, value):
r"""Sets the method for performing the power versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **Normal**.
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+===================+==========================================================================================================================+
| Normal (0) | The PVT measurement acquires the spectrum using the same signal analyzer setting across frequency bands. Use this |
| | method when a higher measurement speed is preferred over a higher dynamic range. |
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
| Dynamic Range (1) | The PVT measurement acquires the spectrum using the hardware-specific optimizations for different frequency bands. Use |
| | this method to get the best dynamic range. |
+-------------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.PvtMeasurementMethod, int):
Specifies the method for performing the power versus time (PVT) measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.PvtMeasurementMethod else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_MEASUREMENT_METHOD.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_rrc_filter_enabled(self, selector_string):
r"""Gets whether to enable the RRC filter. Use this attribute to disable the filter if the received signal is already
RRC-filtered.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+---------------------------------------------+
| Name (Value) | Description |
+==============+=============================================+
| False (0) | Disables the RRC filter in the measurement. |
+--------------+---------------------------------------------+
| True (1) | Enables the RRC filter in the measurement. |
+--------------+---------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.PvtRrcFilterEnabled):
Specifies whether to enable the RRC filter. Use this attribute to disable the filter if the received signal is already
RRC-filtered.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_RRC_FILTER_ENABLED.value
)
attr_val = enums.PvtRrcFilterEnabled(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_rrc_filter_enabled(self, selector_string, value):
r"""Sets whether to enable the RRC filter. Use this attribute to disable the filter if the received signal is already
RRC-filtered.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **True**.
+--------------+---------------------------------------------+
| Name (Value) | Description |
+==============+=============================================+
| False (0) | Disables the RRC filter in the measurement. |
+--------------+---------------------------------------------+
| True (1) | Enables the RRC filter in the measurement. |
+--------------+---------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.PvtRrcFilterEnabled, int):
Specifies whether to enable the RRC filter. Use this attribute to disable the filter if the received signal is already
RRC-filtered.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.PvtRrcFilterEnabled else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_RRC_FILTER_ENABLED.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_enabled(self, selector_string):
r"""Gets whether to enable averaging for the power versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **False**.
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+==========================================================================================================================+
| False (0) | The measurement is performed on a single acquisition. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| True (1) | The PVT measurement uses the value of the PVT Averaging Count attribute as the number of acquisitions over which the |
| | PVT measurement is averaged. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.PvtAveragingEnabled):
Specifies whether to enable averaging for the power versus time (PVT) measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_ENABLED.value
)
attr_val = enums.PvtAveragingEnabled(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_enabled(self, selector_string, value):
r"""Sets whether to enable averaging for the power versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **False**.
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+==========================================================================================================================+
| False (0) | The measurement is performed on a single acquisition. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
| True (1) | The PVT measurement uses the value of the PVT Averaging Count attribute as the number of acquisitions over which the |
| | PVT measurement is averaged. |
+--------------+--------------------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.PvtAveragingEnabled, int):
Specifies whether to enable averaging for the power versus time (PVT) measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.PvtAveragingEnabled else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_ENABLED.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_count(self, selector_string):
r"""Gets the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxtdscdma.attributes.AttributeID.PVT_AVERAGING_ENABLED` attribute to **True**.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (int):
Specifies the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxtdscdma.attributes.AttributeID.PVT_AVERAGING_ENABLED` attribute to **True**.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_COUNT.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_count(self, selector_string, value):
r"""Sets the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxtdscdma.attributes.AttributeID.PVT_AVERAGING_ENABLED` attribute to **True**.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 10.
Args:
selector_string (string):
Pass an empty string.
value (int):
Specifies the number of acquisitions used for averaging when you set the
:py:attr:`~nirfmxtdscdma.attributes.AttributeID.PVT_AVERAGING_ENABLED` attribute to **True**.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_COUNT.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_averaging_type(self, selector_string):
r"""Gets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for the power
versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RMS**.
+--------------+-------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=============================================================================================================+
| RMS (0) | The power spectrum is linearly averaged. RMS averaging reduces signal fluctuations but not the noise floor. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Log (1) | The power spectrum is averaged on a logarithmic scale. |
+--------------+-------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (enums.PvtAveragingType):
Specifies the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for the power
versus time (PVT) measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_TYPE.value
)
attr_val = enums.PvtAveragingType(attr_val)
except (KeyError, ValueError):
raise errors.DriverTooNewError() # type: ignore
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_averaging_type(self, selector_string, value):
r"""Sets the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for the power
versus time (PVT) measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is **RMS**.
+--------------+-------------------------------------------------------------------------------------------------------------+
| Name (Value) | Description |
+==============+=============================================================================================================+
| RMS (0) | The power spectrum is linearly averaged. RMS averaging reduces signal fluctuations but not the noise floor. |
+--------------+-------------------------------------------------------------------------------------------------------------+
| Log (1) | The power spectrum is averaged on a logarithmic scale. |
+--------------+-------------------------------------------------------------------------------------------------------------+
Args:
selector_string (string):
Pass an empty string.
value (enums.PvtAveragingType, int):
Specifies the averaging type for averaging multiple spectrum acquisitions. The averaged spectrum is used for the power
versus time (PVT) measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
value = value.value if type(value) is enums.PvtAveragingType else value
error_code = self._interpreter.set_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_AVERAGING_TYPE.value, value
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_all_traces_enabled(self, selector_string):
r"""Gets whether to enable the traces to be stored and retrieved after performing the power versus time (PVT)
measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (bool):
Specifies whether to enable the traces to be stored and retrieved after performing the power versus time (PVT)
measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_ALL_TRACES_ENABLED.value
)
attr_val = bool(attr_val)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_all_traces_enabled(self, selector_string, value):
r"""Sets whether to enable the traces to be stored and retrieved after performing the power versus time (PVT)
measurement.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is FALSE.
Args:
selector_string (string):
Pass an empty string.
value (bool):
Specifies whether to enable the traces to be stored and retrieved after performing the power versus time (PVT)
measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.PVT_ALL_TRACES_ENABLED.value,
int(value),
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_number_of_analysis_threads(self, selector_string):
r"""Gets the maximum number of threads used for parallelism for the power versus time (PVT) measurement.
The number of threads can range from 1 to the number of physical cores. The number of threads you set may not
be used in calculations. The actual number of threads used depends on the problem size, system resources, data
availability, and other considerations.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (int):
Specifies the maximum number of threads used for parallelism for the power versus time (PVT) measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_NUMBER_OF_ANALYSIS_THREADS.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def set_number_of_analysis_threads(self, selector_string, value):
r"""Sets the maximum number of threads used for parallelism for the power versus time (PVT) measurement.
The number of threads can range from 1 to the number of physical cores. The number of threads you set may not
be used in calculations. The actual number of threads used depends on the problem size, system resources, data
availability, and other considerations.
You do not need to use a selector string to configure or read this attribute for the default signal instance.
Refer to the `Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for
information about the string syntax for named signals.
The default value is 1.
Args:
selector_string (string):
Pass an empty string.
value (int):
Specifies the maximum number of threads used for parallelism for the power versus time (PVT) measurement.
Returns:
int:
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
error_code = self._interpreter.set_attribute_i32(
updated_selector_string,
attributes.AttributeID.PVT_NUMBER_OF_ANALYSIS_THREADS.value,
value,
)
finally:
self._session_function_lock.exit_read_lock()
return error_code
[docs]
@_raise_if_disposed
def get_number_of_segments(self, selector_string):
r"""Gets the number of segments defined for the power versus time (PVT) measurement.
You do not need to use a selector string to read this attribute for the default signal instance. Refer to the
`Selector String <https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ topic for information
about the string syntax for named signals.
The default value is 6.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (int):
Returns the number of segments defined for the power versus time (PVT) measurement.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_i32(
updated_selector_string, attributes.AttributeID.PVT_NUMBER_OF_SEGMENTS.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def get_segment_start(self, selector_string):
r"""Gets the start time of a specific power versus time (PVT) measurement segment. This value is expressed in seconds.
The start time is defined relative to the burst start.
Use "segment<*n*>" as the `Selector String
<https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ to read this attribute.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Returns the start time of a specific power versus time (PVT) measurement segment. This value is expressed in seconds.
The start time is defined relative to the burst start.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.PVT_SEGMENT_START.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code
[docs]
@_raise_if_disposed
def get_segment_stop(self, selector_string):
r"""Gets the stop time of a specific power versus time (PVT) measurement segment. This value is expressed in seconds.
The start time is defined relative to the burst start.
Use "segment<*n*>" as the `Selector String
<https://www.ni.com/docs/en-US/bundle/rfmx/page/selector-strings-net.html>`_ to read this attribute.
Args:
selector_string (string):
Pass an empty string.
Returns:
Tuple (attr_val, error_code):
attr_val (float):
Returns the stop time of a specific power versus time (PVT) measurement segment. This value is expressed in seconds.
The start time is defined relative to the burst start.
error_code (int):
Returns the status code of this method. The status code either indicates success or describes a warning condition.
"""
try:
self._session_function_lock.enter_read_lock()
updated_selector_string = _helper.validate_and_update_selector_string(
selector_string, self._signal_obj
)
attr_val, error_code = self._interpreter.get_attribute_f64(
updated_selector_string, attributes.AttributeID.PVT_SEGMENT_STOP.value
)
finally:
self._session_function_lock.exit_read_lock()
return attr_val, error_code