|
UL for Linux
User library to access and control supported MCC hardware over the Linux platform
|
|
UL for Linux
User library to access and control supported MCC hardware over the Linux platform
|
Configure the DAQ I/O subsystem to acquire or generate data. More...
Functions | |
| UlError | ulDaqInScan (DaqDeviceHandle daqDeviceHandle, DaqInChanDescriptor chanDescriptors[], int numChans, int samplesPerChan, double *rate, ScanOption options, DaqInScanFlag flags, double data[]) |
| Allows scanning of multiple input subsystems, such as analog, digital, counter, and stores the samples in an array. More... | |
| UlError | ulDaqInScanStatus (DaqDeviceHandle daqDeviceHandle, ScanStatus *status, TransferStatus *xferStatus) |
| Returns the status of a synchronous input operation. More... | |
| UlError | ulDaqInScanStop (DaqDeviceHandle daqDeviceHandle) |
| Stops the synchronous input operation currently running. More... | |
| UlError | ulDaqInScanWait (DaqDeviceHandle daqDeviceHandle, WaitType waitType, long long waitParam, double timeout) |
Returns when the scan operation completes on the specified device, or the time specified by the timeout argument elapses. More... | |
| UlError | ulDaqInSetTrigger (DaqDeviceHandle daqDeviceHandle, TriggerType type, DaqInChanDescriptor trigChanDescriptor, double level, double variance, unsigned int retriggerSampleCount) |
| Configures the trigger parameters that will be used when ulDaqInScan() is called with the SO_RETRIGGER or SO_EXTTRIGGER ScanOption. More... | |
| UlError | ulDaqOutScan (DaqDeviceHandle daqDeviceHandle, DaqOutChanDescriptor chanDescriptors[], int numChans, int samplesPerChan, double *rate, ScanOption options, DaqOutScanFlag flags, double data[]) |
| Outputs values synchronously to analog output channels and digital output ports. More... | |
| UlError | ulDaqOutScanStatus (DaqDeviceHandle daqDeviceHandle, ScanStatus *status, TransferStatus *xferStatus) |
| Returns the status of a synchronous output operation. More... | |
| UlError | ulDaqOutScanStop (DaqDeviceHandle daqDeviceHandle) |
| Stops the synchronous output operation currently running. More... | |
| UlError | ulDaqOutScanWait (DaqDeviceHandle daqDeviceHandle, WaitType waitType, long long waitParam, double timeout) |
Returns when the scan operation completes on the specified device, or the time specified by the timeout argument elapses. More... | |
| UlError | ulDaqOutSetTrigger (DaqDeviceHandle daqDeviceHandle, TriggerType type, DaqInChanDescriptor trigChanDescriptor, double level, double variance, unsigned int retriggerSampleCount) |
| Configures the trigger parameters that will be used when ulDaqOutScan() is called with the SO_RETRIGGER or SO_EXTTRIGGER ScanOptions. More... | |
| UlError | ulDaqIGetInfo (DaqDeviceHandle daqDeviceHandle, DaqIInfoItem infoItem, unsigned int index, long long *infoValue) |
| Use with DaqIInfoItem to retrieve information about the synchronous input subsystem. More... | |
| UlError | ulDaqIGetInfoDbl (DaqDeviceHandle daqDeviceHandle, DaqIInfoItemDbl infoItem, unsigned int index, double *infoValue) |
| Use with DaqIInfoItemDbl to retrieve information about the synchronous input subsystem. More... | |
| UlError | ulDaqOGetInfo (DaqDeviceHandle daqDeviceHandle, DaqOInfoItem infoItem, unsigned int index, long long *infoValue) |
| Use with DaqOInfoItem to retrieve information about the synchronous output subsystem. More... | |
| UlError | ulDaqOGetInfoDbl (DaqDeviceHandle daqDeviceHandle, DaqOInfoItemDbl infoItem, unsigned int index, double *infoValue) |
| Use with DaqOInfoItemDbl to retrieve information about the synchronous output subsystem. More... | |
Configure the DAQ I/O subsystem to acquire or generate data.
| UlError ulDaqIGetInfo | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqIInfoItem | infoItem, | ||
| unsigned int | index, | ||
| long long * | infoValue | ||
| ) |
Use with DaqIInfoItem to retrieve information about the synchronous input subsystem.
| daqDeviceHandle | the handle to the DAQ device |
| infoItem | the synchronous input information to retrieve |
| index | ignored for all info types available to this function |
| infoValue | the synchronous input information is returned to this variable |
| UlError ulDaqIGetInfoDbl | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqIInfoItemDbl | infoItem, | ||
| unsigned int | index, | ||
| double * | infoValue | ||
| ) |
Use with DaqIInfoItemDbl to retrieve information about the synchronous input subsystem.
| daqDeviceHandle | the handle to the DAQ device |
| infoItem | the synchronous input information to retrieve |
| index | ignored for all info types available to this function |
| infoValue | the synchronous input information is returned to this variable |
| UlError ulDaqInScan | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqInChanDescriptor | chanDescriptors[], | ||
| int | numChans, | ||
| int | samplesPerChan, | ||
| double * | rate, | ||
| ScanOption | options, | ||
| DaqInScanFlag | flags, | ||
| double | data[] | ||
| ) |
Allows scanning of multiple input subsystems, such as analog, digital, counter, and stores the samples in an array.
This method only works with devices that support synchronous input.
| daqDeviceHandle | the handle to the DAQ device |
| chanDescriptors[] | an array of DaqInChanDescriptor structs with fields for channel number, type, and range that specifies the order and parameters for each channel in the scan |
| numChans | the number of channels in the scan |
| samplesPerChan | the number of samples to collect from each channel in the scan |
| rate | sample rate in samples per channel. Upon return, this value is set to the actual sample rate. |
| options | scan options |
| flags | bit mask that specifies whether to scale data, calibrate data, or clear the counter at the start of each scan. |
| data[] | pointer to the buffer that receives the data |
| UlError ulDaqInScanStatus | ( | DaqDeviceHandle | daqDeviceHandle, |
| ScanStatus * | status, | ||
| TransferStatus * | xferStatus | ||
| ) |
Returns the status of a synchronous input operation.
| daqDeviceHandle | the handle to the DAQ device |
| status | the status of the background operation |
| xferStatus | TransferStatus struct containing fields that return the current sample count, scan count, and buffer index for the specified input scan operation |
| UlError ulDaqInScanStop | ( | DaqDeviceHandle | daqDeviceHandle | ) |
Stops the synchronous input operation currently running.
| daqDeviceHandle | the handle to the DAQ device |
| UlError ulDaqInScanWait | ( | DaqDeviceHandle | daqDeviceHandle, |
| WaitType | waitType, | ||
| long long | waitParam, | ||
| double | timeout | ||
| ) |
Returns when the scan operation completes on the specified device, or the time specified by the timeout argument elapses.
| daqDeviceHandle | the handle to the DAQ device |
| waitType | the wait type |
| waitParam | reserved for future use |
| timeout | the timeout value in seconds (s); set to -1 to wait indefinitely for the scan operation to end. |
| UlError ulDaqInSetTrigger | ( | DaqDeviceHandle | daqDeviceHandle, |
| TriggerType | type, | ||
| DaqInChanDescriptor | trigChanDescriptor, | ||
| double | level, | ||
| double | variance, | ||
| unsigned int | retriggerSampleCount | ||
| ) |
Configures the trigger parameters that will be used when ulDaqInScan() is called with the SO_RETRIGGER or SO_EXTTRIGGER ScanOption.
| daqDeviceHandle | the handle to the DAQ device |
| type | the trigger type |
| trigChanDescriptor | the DaqInChanDescriptor struct with fields for channel number, type, and range that defines the trigger input |
| level | the level at or around which the trigger event should be detected; ignored if type is set to TRIG_POS_EDGE, TRIG_NEG_EDGE, TRIG_HIGH, TRIG_LOW, GATE_HIGH, GATE_LOW, TRIG_RISING, or TRIG_FALLING |
| variance | the degree to which the input signal can vary relative to the level parameter; ignored for all types where level is ignored. For pattern triggering, this argument serves as the mask value. |
| retriggerSampleCount | the number of samples to acquire with each trigger event; ignored unless the SO_RETRIGGER ScanOption is set for the scan. |
| UlError ulDaqOGetInfo | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqOInfoItem | infoItem, | ||
| unsigned int | index, | ||
| long long * | infoValue | ||
| ) |
Use with DaqOInfoItem to retrieve information about the synchronous output subsystem.
| daqDeviceHandle | the handle to the DAQ device |
| infoItem | the synchronous output information to retrieve |
| index | ignored for all info types available to this function |
| infoValue | the synchronous output information is returned to this variable |
| UlError ulDaqOGetInfoDbl | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqOInfoItemDbl | infoItem, | ||
| unsigned int | index, | ||
| double * | infoValue | ||
| ) |
Use with DaqOInfoItemDbl to retrieve information about the synchronous output subsystem.
| daqDeviceHandle | the handle to the DAQ device |
| infoItem | the synchronous output information to retrieve |
| index | ignored for all info types available to this function |
| infoValue | the synchronous output information is returned to this variable |
| UlError ulDaqOutScan | ( | DaqDeviceHandle | daqDeviceHandle, |
| DaqOutChanDescriptor | chanDescriptors[], | ||
| int | numChans, | ||
| int | samplesPerChan, | ||
| double * | rate, | ||
| ScanOption | options, | ||
| DaqOutScanFlag | flags, | ||
| double | data[] | ||
| ) |
Outputs values synchronously to analog output channels and digital output ports.
This function only works with devices that support synchronous output.
| daqDeviceHandle | the handle to the DAQ device |
| chanDescriptors[] | an array of DaqOutChanDescriptor structs containing fields for channel number, type, and range that specify the order and parameters for each channel in the scan |
| numChans | the number of channels in the scan |
| samplesPerChan | the number of samples per channel |
| rate | the sample rate in scans per second. Upon return, this value is set to the actual rate. |
| options | scan options |
| flags | bit mask that specifies whether to scale and/or calibrate data for any analog channels in the scan |
| data[] | buffer that holds the data that will be transferred to the device |
| UlError ulDaqOutScanStatus | ( | DaqDeviceHandle | daqDeviceHandle, |
| ScanStatus * | status, | ||
| TransferStatus * | xferStatus | ||
| ) |
Returns the status of a synchronous output operation.
| daqDeviceHandle | the handle to the DAQ device |
| status | the status of the background operation |
| xferStatus | TransferStatus struct containing fields that return the current sample count, scan count, and buffer index for the specified output scan operation |
| UlError ulDaqOutScanStop | ( | DaqDeviceHandle | daqDeviceHandle | ) |
Stops the synchronous output operation currently running.
| daqDeviceHandle | the handle to the DAQ device |
| UlError ulDaqOutScanWait | ( | DaqDeviceHandle | daqDeviceHandle, |
| WaitType | waitType, | ||
| long long | waitParam, | ||
| double | timeout | ||
| ) |
Returns when the scan operation completes on the specified device, or the time specified by the timeout argument elapses.
| daqDeviceHandle | the handle to the DAQ device |
| waitType | the type of wait |
| waitParam | reserved for future use |
| timeout | the timeout value in seconds (s); set to -1 to wait indefinitely for the scan operation to end. |
| UlError ulDaqOutSetTrigger | ( | DaqDeviceHandle | daqDeviceHandle, |
| TriggerType | type, | ||
| DaqInChanDescriptor | trigChanDescriptor, | ||
| double | level, | ||
| double | variance, | ||
| unsigned int | retriggerSampleCount | ||
| ) |
Configures the trigger parameters that will be used when ulDaqOutScan() is called with the SO_RETRIGGER or SO_EXTTRIGGER ScanOptions.
| daqDeviceHandle | the handle to the DAQ device |
| type | the trigger type |
| trigChanDescriptor | a DaqInChanDescriptor struct containing fields for channel number, type, and range that defines the trigger input |
| level | the level at or around which the trigger event should be detected; ignored if type is set to TRIG_POS_EDGE, TRIG_NEG_EDGE, TRIG_HIGH, TRIG_LOW, GATE_HIGH, GATE_LOW, TRIG_RISING, or TRIG_FALLING |
| variance | the degree to which the input signal can vary relative to the level parameter; ignored for all types where level is ignored. For pattern triggering, this argument serves as the mask value. |
| retriggerSampleCount | the number of samples to acquire with each trigger event; ignored unless the SO_RETRIGGER ScanOption is set for the scan. |
1.8.8
