gf.c

机械工业出版社 Lab Windows/CVI逐步深入与开发实例源代码

static ViStatus GF_GetSeqNameFromHandleUtil (ViSession vi, ViInt32 seqHandle, ViInt32 arraySize, ViChar seqName[]);
static ViStatus GF_GetSeqHandleFromNameUtil (ViSession vi, ViConstString seqName, ViInt32 *seqHandle);
static ViStatus GF_ClearDriverSeqRecord (ViSession vi, ViInt32 seqHandle);


    /*- File I/O Utility Functions -*/
static ViStatus GF_ReadToFile (ViSession vi, ViConstString filename, 
                                     ViInt32 maxBytesToRead, ViInt32 fileAction, ViInt32 *totalBytesWritten);
static ViStatus GF_WriteFromFile (ViSession vi, ViConstString filename, 
                                        ViInt32 maxBytesToWrite, ViInt32 byteOffset, 
                                        ViInt32 *totalBytesWritten);

/*****************************************************************************
 *----------------- Callback Declarations (Non-Exported) --------------------*
 *****************************************************************************/

    /*- Global Session Callbacks --------------------------------------------*/
    
static ViStatus _VI_FUNC GF_CheckStatusCallback (ViSession vi, ViSession io);
static ViStatus _VI_FUNC GF_WaitForOPCCallback (ViSession vi, ViSession io);

    /*- Attribute callbacks -------------------------------------------------*/

static ViStatus _VI_FUNC GFAttrDriverRevision_ReadCallback (ViSession vi,
                                                                  ViSession io, 
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId, 
                                                                  const ViConstString cacheValue);
static ViStatus _VI_FUNC GFAttrOutputMode_WriteCallback (ViSession vi,
                                                               ViSession io,
                                                               ViConstString channelName,
                                                               ViAttr attributeId, 
                                                               ViInt32 value);
static ViStatus _VI_FUNC GFAttrOutputMode_ReadCallback (ViSession vi,
                                                              ViSession io,
                                                              ViConstString channelName,
                                                              ViAttr attributeId, 
                                                              ViInt32 *value);
static ViStatus _VI_FUNC GFAttrOutputMode_CheckCallback (ViSession vi,
                                                               ViConstString channelName,
                                                               ViAttr attributeId,
                                                               ViInt32 value);
static ViStatus _VI_FUNC GFAttrRefClockSource_WriteCallback (ViSession vi,
                                                                   ViSession io,
                                                                   ViConstString channelName,
                                                                   ViAttr attributeId,
                                                                   ViInt32 value);
static ViStatus _VI_FUNC GFAttrRefClockSource_ReadCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViInt32 *value);
static ViStatus _VI_FUNC GFAttrRefClockSource_CheckCallback (ViSession vi,
                                                                   ViConstString channelName,
                                                                   ViAttr attributeId,
                                                                   ViInt32 value);
static ViStatus _VI_FUNC GFAttrOutputEnabled_WriteCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViBoolean value);
static ViStatus _VI_FUNC GFAttrOutputEnabled_ReadCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViBoolean *value);
static ViStatus _VI_FUNC GFAttrOutputImpedance_WriteCallback (ViSession vi,
                                                                    ViSession io,
                                                                    ViConstString channelName,
                                                                    ViAttr attributeId,
                                                                    ViReal64 value);
static ViStatus _VI_FUNC GFAttrOutputImpedance_ReadCallback (ViSession vi,
                                                                   ViSession io,
                                                                   ViConstString channelName,
                                                                   ViAttr attributeId,
                                                                   ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncWaveform_WriteCallback (ViSession vi,
                                                                 ViSession io,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViInt32 value);
static ViStatus _VI_FUNC GFAttrFuncWaveform_ReadCallback (ViSession vi,
                                                                ViSession io,
                                                                ViConstString channelName,
                                                                ViAttr attributeId,
                                                                ViInt32 *value);
static ViStatus _VI_FUNC GFAttrFuncWaveform_CheckCallback (ViSession vi,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViInt32 value);
static ViStatus _VI_FUNC GFAttrFuncAmplitude_WriteCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncAmplitude_ReadCallback (ViSession vi,
                                                                 ViSession io,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncAmplitude_CheckCallback (ViSession vi,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncDCOffset_WriteCallback (ViSession vi,
                                                                 ViSession io,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncDCOffset_ReadCallback (ViSession vi,
                                                                ViSession io,
                                                                ViConstString channelName,
                                                                ViAttr attributeId,
                                                                ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncDCOffset_CheckCallback (ViSession vi,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncFrequency_WriteCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncFrequency_ReadCallback (ViSession vi,
                                                                 ViSession io,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncFrequency_CheckCallback (ViSession vi,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncFrequency_RangeTableCallback (ViSession vi,
                                                                       ViConstString channelName,
                                                                       ViAttr attributeId,
                                                                       IviRangeTablePtr *rangeTablePtr);
static ViStatus _VI_FUNC GFAttrFuncStartPhase_WriteCallback (ViSession vi,
                                                                   ViSession io,
                                                                   ViConstString channelName,
                                                                   ViAttr attributeId,
                                                                   ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncStartPhase_ReadCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncStartPhase_CheckCallback (ViSession vi,
                                                                   ViConstString channelName,
                                                                   ViAttr attributeId,
                                                                   ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncDutyCycleHigh_WriteCallback (ViSession vi,
                                                                  ViSession io,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrFuncDutyCycleHigh_ReadCallback (ViSession vi,
                                                                 ViSession io,
                                                                 ViConstString channelName,
                                                                 ViAttr attributeId,
                                                                 ViReal64 *value);
static ViStatus _VI_FUNC GFAttrFuncDutyCycleHigh_CheckCallback (ViSession vi,
                                                                  ViConstString channelName,
                                                                  ViAttr attributeId,
                                                                  ViReal64 value);
static ViStatus _VI_FUNC GFAttrArbWaveformHandle_WriteCallback (ViSession vi,
                                                                      ViSession io,
                                                                      ViConstString channelName,
                                                                      ViAttr attributeId,
                                                                      ViInt32 value);
static ViStatus _VI_FUNC GFAttrArbWaveformHandle_ReadCallback (ViSession vi,
                                                                     ViSession io,
                                                                     ViConstString channelName,
                                                                     ViAttr attributeId,
                                                                     ViInt32 *value);
static ViStatus _VI_FUNC GFAttrArbWaveformHandle_CheckCallback (ViSession vi,
                                                                      ViConstString channelName,
                                                                      ViAttr attributeId,
                                                                      ViInt32 value);
static ViStatus _VI_FUNC GFAttrArbGain_WriteCallback (ViSession vi,
                                                            ViSession io,
                                                            ViConstString channelName,
                                                            ViAttr attributeId,
                                                            ViReal64 value);
static ViStatus _VI_FUNC GFAttrArbGain_ReadCallback (ViSession vi,
                                                           ViSession io,
                                                           ViConstString channelName,
                                                           ViAttr attributeId,
                                                           ViReal64 *value);
static ViStatus _VI_FUNC GFAttrArbGain_CheckCallback (ViSession vi,
                                                            ViConstString channelName,
                                                            ViAttr attributeId,
                                                            ViReal64 value);
static ViStatus _VI_FUNC GFAttrArbOffset_WriteCallback (ViSession vi,
                                                              ViSession io,
                                                              ViConstString channelName,
                                                              ViAttr attributeId,
                                                              ViReal64 value);
static ViStatus _VI_FUNC GFAttrArbOffset_ReadCallback (ViSession vi,
                                                             ViSession io,
                                                             ViConstString channelName,
                                                             ViAttr attributeId,
                                                             ViReal64 *value);
static ViStatus _VI_FUNC GFAttrArbOffset_CheckCallback (ViSession vi,
                                                              ViConstString channelName,
                                                              ViAttr attributeId,
                                                              ViReal64 value);
static ViStatus _VI_FUNC GFAttrArbSampleRate_WriteCallback (ViSession vi,
                                                                  ViSession io,