nidaqmx.h

NI DAQ card 6221(37pins)的windows驱动程序,实现对数据采集卡的io控制,在工程领域很有用.

	typedef unsigned long long uInt64;
#else
	typedef unsigned __int64   uInt64;
#endif
#endif

typedef uInt32             bool32;
typedef uInt32             TaskHandle;

#ifndef TRUE
 #define TRUE            (1L)
#endif
#ifndef FALSE
 #define FALSE           (0L)
#endif
#ifndef NULL
 #define NULL            (0L)
#endif


/******************************************************************************
 *** NI-DAQmx Attributes ******************************************************
 ******************************************************************************/

//********** Buffer Attributes **********
#define DAQmx_Buf_Input_BufSize                                          0x186C // Specifies the number of samples the input buffer can hold for each channel in the task. Zero indicates to allocate no buffer. Use a buffer size of 0 to perform a hardware-timed operation without using a buffer. Setting this property overrides the automatic input buffer allocation that NI-DAQmx performs.
#define DAQmx_Buf_Input_OnbrdBufSize                                     0x230A // Indicates in samples per channel the size of the onboard input buffer of the device.
#define DAQmx_Buf_Output_BufSize                                         0x186D // Specifies the number of samples the output buffer can hold for each channel in the task. Zero indicates to allocate no buffer. Use a buffer size of 0 to perform a hardware-timed operation without using a buffer. Setting this property overrides the automatic output buffer allocation that NI-DAQmx performs.
#define DAQmx_Buf_Output_OnbrdBufSize                                    0x230B // Specifies in samples per channel the size of the onboard output buffer of the device.

//********** Calibration Info Attributes **********
#define DAQmx_SelfCal_Supported                                          0x1860 // Indicates whether the device supports self calibration.
#define DAQmx_SelfCal_LastTemp                                           0x1864 // Indicates in degrees Celsius the temperature of the device at the time of the last self calibration. Compare this temperature to the current onboard temperature to determine if you should perform another calibration.
#define DAQmx_ExtCal_RecommendedInterval                                 0x1868 // Indicates in months the National Instruments recommended interval between each external calibration of the device.
#define DAQmx_ExtCal_LastTemp                                            0x1867 // Indicates in degrees Celsius the temperature of the device at the time of the last external calibration. Compare this temperature to the current onboard temperature to determine if you should perform another calibration.
#define DAQmx_Cal_UserDefinedInfo                                        0x1861 // Specifies a string that contains arbitrary, user-defined information. This number of characters in this string can be no more than Max Size.
#define DAQmx_Cal_UserDefinedInfo_MaxSize                                0x191C // Indicates the maximum length in characters of Information.
#define DAQmx_Cal_DevTemp                                                0x223B // Indicates in degrees Celsius the current temperature of the device.

//********** Channel Attributes **********
#define DAQmx_AI_Max                                                     0x17DD // Specifies the maximum value you expect to measure. This value is in the units you specify with a units property. When you query this property, it returns the coerced maximum value that the device can measure with the current settings.
#define DAQmx_AI_Min                                                     0x17DE // Specifies the minimum value you expect to measure. This value is in the units you specify with a units property.  When you query this property, it returns the coerced minimum value that the device can measure with the current settings.
#define DAQmx_AI_CustomScaleName                                         0x17E0 // Specifies the name of a custom scale for the channel.
#define DAQmx_AI_MeasType                                                0x0695 // Indicates the measurement to take with the analog input channel and in some cases, such as for temperature measurements, the sensor to use.
#define DAQmx_AI_Voltage_Units                                           0x1094 // Specifies the units to use to return voltage measurements from the channel.
#define DAQmx_AI_Voltage_dBRef                                           0x29B0 // Specifies the decibel reference level in the units of the channel. When you read samples as a waveform, the decibel reference level is included in the waveform attributes.
#define DAQmx_AI_Temp_Units                                              0x1033 // Specifies the units to use to return temperature measurements from the channel.
#define DAQmx_AI_Thrmcpl_Type                                            0x1050 // Specifies the type of thermocouple connected to the channel. Thermocouple types differ in composition and measurement range.
#define DAQmx_AI_Thrmcpl_ScaleType                                       0x29D0 // Specifies the method or equation form that the thermocouple scale uses.
#define DAQmx_AI_Thrmcpl_CJCSrc                                          0x1035 // Indicates the source of cold-junction compensation.
#define DAQmx_AI_Thrmcpl_CJCVal                                          0x1036 // Specifies the temperature of the cold junction if CJC Source is DAQmx_Val_ConstVal. Specify this value in the units of the measurement.
#define DAQmx_AI_Thrmcpl_CJCChan                                         0x1034 // Indicates the channel that acquires the temperature of the cold junction if CJC Source is DAQmx_Val_Chan. If the channel is a temperature channel, NI-DAQmx acquires the temperature in the correct units. Other channel types, such as a resistance channel with a custom sensor, must use a custom scale to scale values to degrees Celsius.
#define DAQmx_AI_RTD_Type                                                0x1032 // Specifies the type of RTD connected to the channel.
#define DAQmx_AI_RTD_R0                                                  0x1030 // Specifies in ohms the sensor resistance at 0 deg C. The Callendar-Van Dusen equation requires this value. Refer to the sensor documentation to determine this value.
#define DAQmx_AI_RTD_A                                                   0x1010 // Specifies the 'A' constant of the Callendar-Van Dusen equation. NI-DAQmx requires this value when you use a custom RTD.
#define DAQmx_AI_RTD_B                                                   0x1011 // Specifies the 'B' constant of the Callendar-Van Dusen equation. NI-DAQmx requires this value when you use a custom RTD.
#define DAQmx_AI_RTD_C                                                   0x1013 // Specifies the 'C' constant of the Callendar-Van Dusen equation. NI-DAQmx requires this value when you use a custom RTD.
#define DAQmx_AI_Thrmstr_A                                               0x18C9 // Specifies the 'A' constant of the Steinhart-Hart thermistor equation.
#define DAQmx_AI_Thrmstr_B                                               0x18CB // Specifies the 'B' constant of the Steinhart-Hart thermistor equation.
#define DAQmx_AI_Thrmstr_C                                               0x18CA // Specifies the 'C' constant of the Steinhart-Hart thermistor equation.
#define DAQmx_AI_Thrmstr_R1                                              0x1061 // Specifies in ohms the value of the reference resistor if you use voltage excitation. NI-DAQmx ignores this value for current excitation.
#define DAQmx_AI_ForceReadFromChan                                       0x18F8 // Specifies whether to read from the channel if it is a cold-junction compensation channel. By default, an NI-DAQmx Read function does not return data from cold-junction compensation channels.  Setting this property to TRUE forces read operations to return the cold-junction compensation channel data with the other channels in the task.
#define DAQmx_AI_Current_Units                                           0x0701 // Specifies the units to use to return current measurements from the channel.
#define DAQmx_AI_Strain_Units                                            0x0981 // Specifies the units to use to return strain measurements from the channel.
#define DAQmx_AI_StrainGage_GageFactor                                   0x0994 // Specifies the sensitivity of the strain gage.  Gage factor relates the change in electrical resistance to the change in strain. Refer to the sensor documentation for this value.
#define DAQmx_AI_StrainGage_PoissonRatio                                 0x0998 // Specifies the ratio of lateral strain to axial strain in the material you are measuring.
#define DAQmx_AI_StrainGage_Cfg                                          0x0982 // Specifies the bridge configuration of the strain gages.
#define DAQmx_AI_Resistance_Units                                        0x0955 // Specifies the units to use to return resistance measurements.
#define DAQmx_AI_Freq_Units                                              0x0806 // Specifies the units to use to return frequency measurements from the channel.
#define DAQmx_AI_Freq_ThreshVoltage                                      0x0815 // Specifies the voltage level at which to recognize waveform repetitions. You should select a voltage level that occurs only once within the entire period of a waveform. You also can select a voltage that occurs only once while the voltage rises or falls.
#define DAQmx_AI_Freq_Hyst                                               0x0814 // Specifies in volts a window below Threshold Level. The input voltage must pass below Threshold Level minus this value before NI-DAQmx recognizes a waveform repetition at Threshold Level. Hysteresis can improve the measurement accuracy when the signal contains noise or jitter.
#define DAQmx_AI_LVDT_Units                                              0x0910 // Specifies the units to use to return linear position measurements from the channel.
#define DAQmx_AI_LVDT_Sensitivity                                        0x0939 // Specifies the sensitivity of the LVDT. This value is in the units you specify with Sensitivity Units. Refer to the sensor documentation to determine this value.
#define DAQmx_AI_LVDT_SensitivityUnits                                   0x219A // Specifies the units of Sensitivity.
#define DAQmx_AI_RVDT_Units                                              0x0877 // Specifies the units to use to return angular position measurements from the channel.
#define DAQmx_AI_RVDT_Sensitivity                                        0x0903 // Specifies the sensitivity of the RVDT. This value is in the units you specify with Sensitivity Units. Refer to the sensor documentation to determine this value.
#define DAQmx_AI_RVDT_SensitivityUnits                                   0x219B // Specifies the units of Sensitivity.
#define DAQmx_AI_SoundPressure_MaxSoundPressureLvl                       0x223A // Specifies the maximum instantaneous sound pressure level you expect to measure. This value is in decibels, referenced to 20 micropascals. NI-DAQmx uses the maximum sound pressure level to calculate values in pascals for Maximum Value and Minimum Value for the channel.
#define DAQmx_AI_SoundPressure_Units                                     0x1528 // Specifies the units to use to return sound pressure measurements from the channel.
#define DAQmx_AI_SoundPressure_dBRef                                     0x29B1 // Specifies the decibel reference level in the units of the channel. When you read samples as a waveform, the decibel reference level is included in the waveform attributes. NI-DAQmx also uses the decibel reference level when converting Maximum Sound Pressure Level to a voltage level.
#define DAQmx_AI_Microphone_Sensitivity                                  0x1536 // Specifies the sensitivity of the microphone. This value is in mV/Pa. Refer to the sensor documentation to determine this value.
#define DAQmx_AI_Accel_Units                                             0x0673 // Specifies the units to use to return acceleration measurements from the channel.