hp662xa.c

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        if (!simulating)
            {
            checkErr( Ivi_GetAttrRangeTable (vi, channel,
                                             HP662XA_ATTR_MEASURE_FUNCTION,
                                             &measureFunctionRangeTable));
            viCheckErr (Ivi_GetViInt32EntryFromValue (measureFunction, measureFunctionRangeTable,
                                                      VI_NULL, VI_NULL, VI_NULL, VI_NULL, &cmd, VI_NULL));
            viCheckErr( viPrintf (io, "%s? %s", cmd, channel));
            viCheckErr( viScanf (io, "%lf", &measurement));
            }
        else if (useSpecificSimulation)
            {
            checkErr( HP662XA_SimulateMeasurement (vi, channel, &measurement));
            }
        else
            measurement = 0.0;
        
        checkErr( Ivi_SetAttributeViReal64 (vi, channel,
                                            HP662XA_ATTR_MEASUREMENT,
                                            0, measurement));
        }

Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 *  Function: HP662XA_FetchMeasurement
 *  Purpose:  This function fetches a previously initiated measurement from
 *            the power supply.
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_FetchMeasurement (ViSession vi,
                                            ViConstString channel,
                                            ViInt32 maxTime,
                                            ViReal64 *measurement)
{
    ViStatus error = VI_SUCCESS;

    checkErr( Ivi_LockSession (vi, VI_NULL));

    checkErr( Ivi_GetAttributeViReal64 (vi, channel,
                                        HP662XA_ATTR_MEASUREMENT,
                                        0, measurement));
Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 *  Function: HP662XA_ReadMeasurement
 *  Purpose:  This function initiates and reads the currently configured
 *            measurement from the power supply.
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_ReadMeasurement (ViSession vi,
                                           ViConstString channel,
                                           ViInt32 maxTime,
                                           ViReal64 *measurement)
{
    ViStatus error = VI_SUCCESS;

    checkErr( Ivi_LockSession (vi, VI_NULL));
    
    checkErr( HP662XA_InitiateMeasurement (vi));
    checkErr( HP662XA_FetchMeasurement (vi, channel, maxTime, measurement));
    checkErr( HP662XA_CheckStatus (vi));

Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 *  Function: HP662XA_MeasureOutput
 *  Purpose:  This function measures the output of a channel.
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_MeasureOutput (ViSession vi,
                                         ViConstString channel,
                                         ViInt32 measureFunction,
                                         ViInt32 maxTime,
                                         ViReal64 *measurement)
{
    ViStatus error = VI_SUCCESS;

    checkErr( Ivi_LockSession (vi, VI_NULL));

    if (measurement == VI_NULL)
        viCheckParm( IVI_ERROR_INVALID_PARAMETER, 5, "Null address for Measurement");
        
    viCheckParm( Ivi_SetAttributeViInt32 (vi, channel,
                                          HP662XA_ATTR_MEASURE_FUNCTION,
                                          0, measureFunction),
                                          3, "Measure Function");

    checkErr( HP662XA_ReadMeasurement (vi, channel, maxTime, measurement));

Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 *  Function: HP662XA_SaveState
 *  Purpose:  This function saves the state of all outputs in instrument
 *            memory.
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_SaveState (ViSession vi, ViInt32 location)
{
    ViStatus  error = VI_SUCCESS;
    ViInt32   model;
    ViInt32   firstLocation;

    checkErr( Ivi_LockSession (vi, VI_NULL));

    checkErr( HP662XA_GetModel (vi, &model));

    firstLocation = ((model < HP6625A) || (model == HP6627A)) ? 1 : 0;

    if ((location < firstLocation) || (location > 10))
        viCheckParm( IVI_ERROR_INVALID_VALUE, 2, "Location");
    
    if (!Ivi_Simulating(vi))              /* call only when locked */
        {
        ViSession io = Ivi_IOSession(vi); /* call only when locked */

        checkErr( Ivi_SetNeedToCheckStatus (vi, VI_TRUE));

        viCheckErr( viPrintf (io, "STO %ld", location));

        checkErr( HP662XA_CheckStatus (vi));
        }
        
Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 *  Function: HP662XA_RecallState
 *  Purpose:  This function recalls the state of all outputs from instrument
 *            memory.
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_RecallState (ViSession vi, ViInt32 location)
{
    ViStatus  error = VI_SUCCESS;
    ViInt32   model;
    ViInt32   firstLocation;

    checkErr( Ivi_LockSession (vi, VI_NULL));

    checkErr( HP662XA_GetModel (vi, &model));

    firstLocation = ((model < HP6625A) || (model == HP6627A)) ? 1 : 0;

    if ((location < firstLocation) || (location > 10))
        viCheckParm( IVI_ERROR_INVALID_VALUE, 2, "Location");
    
    checkErr( Ivi_InvalidateAllAttributes (vi));
        
    if (!Ivi_Simulating(vi))              /* call only when locked */
        {
        ViSession io = Ivi_IOSession(vi); /* call only when locked */

        checkErr( Ivi_SetNeedToCheckStatus (vi, VI_TRUE));

        viCheckErr( viPrintf (io, "RCL %ld", location));

        checkErr( HP662XA_CheckStatus (vi));
        }
        
Error:
    Ivi_UnlockSession (vi, VI_NULL);
    return error;
}

/*****************************************************************************
 * Function: HP662XA_GetAttribute<type> Functions                                    
 * Purpose:  These functions enable the instrument driver user to get 
 *           attribute values directly.  There are typesafe versions for 
 *           ViInt32, ViReal64, ViString, ViBoolean, and ViSession attributes.                                         
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_GetAttributeViInt32 (ViSession vi, ViConstString channelName, 
                                               ViAttr attributeId, ViInt32 *value)
{                                                                                                           
    return Ivi_GetAttributeViInt32 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                    value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_GetAttributeViReal64 (ViSession vi, ViConstString channelName, 
                                                ViAttr attributeId, ViReal64 *value)
{                                                                                                           
    return Ivi_GetAttributeViReal64 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                     value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_GetAttributeViString (ViSession vi, ViConstString channelName, 
                                                ViAttr attributeId, ViInt32 bufSize, 
                                                ViChar value[]) 
{   
    return Ivi_GetAttributeViString (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                     bufSize, value);
}   
ViStatus _VI_FUNC HP662XA_GetAttributeViBoolean (ViSession vi, ViConstString channelName, 
                                                 ViAttr attributeId, ViBoolean *value)
{                                                                                                           
    return Ivi_GetAttributeViBoolean (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                      value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_GetAttributeViSession (ViSession vi, ViConstString channelName, 
                                                 ViAttr attributeId, ViSession *value)
{                                                                                                           
    return Ivi_GetAttributeViSession (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                      value);
}                                                                                                           

/*****************************************************************************
 * Function: HP662XA_SetAttribute<type> Functions                                    
 * Purpose:  These functions enable the instrument driver user to set 
 *           attribute values directly.  There are typesafe versions for 
 *           ViInt32, ViReal64, ViString, ViBoolean, and ViSession datatypes.                                         
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_SetAttributeViInt32 (ViSession vi, ViConstString channelName, 
                                               ViAttr attributeId, ViInt32 value)
{                                                                                                           
    return Ivi_SetAttributeViInt32 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                    value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_SetAttributeViReal64 (ViSession vi, ViConstString channelName, 
                                                ViAttr attributeId, ViReal64 value)
{                                                                                                           
    return Ivi_SetAttributeViReal64 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                     value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_SetAttributeViString (ViSession vi, ViConstString channelName, 
                                                ViAttr attributeId, ViConstString value) 
{   
    return Ivi_SetAttributeViString (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                     value);
}   
ViStatus _VI_FUNC HP662XA_SetAttributeViBoolean (ViSession vi, ViConstString channelName, 
                                                 ViAttr attributeId, ViBoolean value)
{                                                                                                           
    return Ivi_SetAttributeViBoolean (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                      value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_SetAttributeViSession (ViSession vi, ViConstString channelName, 
                                                 ViAttr attributeId, ViSession value)
{                                                                                                           
    return Ivi_SetAttributeViSession (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                      value);
}                                                                                                           

/*****************************************************************************
 * Function: HP662XA_CheckAttribute<type> Functions                                  
 * Purpose:  These functions enable the instrument driver user to check  
 *           attribute values directly.  These functions check the value you
 *           specify even if you set the HP662XA_ATTR_RANGE_CHECK 
 *           attribute to VI_FALSE.  There are typesafe versions for ViInt32, 
 *           ViReal64, ViString, ViBoolean, and ViSession datatypes.                         
 *****************************************************************************/
ViStatus _VI_FUNC HP662XA_CheckAttributeViInt32 (ViSession vi, ViConstString channelName, 
                                                 ViAttr attributeId, ViInt32 value)
{                                                                                                           
    return Ivi_CheckAttributeViInt32 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                      value);
}
ViStatus _VI_FUNC HP662XA_CheckAttributeViReal64 (ViSession vi, ViConstString channelName, 
                                                  ViAttr attributeId, ViReal64 value)
{                                                                                                           
    return Ivi_CheckAttributeViReal64 (vi, channelName, attributeId, IVI_VAL_DIRECT_USER_CALL, 
                                       value);
}                                                                                                           
ViStatus _VI_FUNC HP662XA_CheckAttributeViString (ViSession vi, ViConstString channelName, 
                                                  ViAttr attributeId, ViConstString value)  
{   
    return Ivi_CheckAttribu