B-20 API Commands
Appendix B,
887095
Personal Daq User’s Manual
daqCvtSetAdcRange
DLL Function
daqCvtSetAdcRange(FLOAT Admin, FLOAT Admax);
C
daqCvtSetAdcRange(FLOAT Admin, FLOAT Admax);
Visual BASIC
VBdaqCvtSetAdcRange&(ByVal ADmin!, ByVal ADmax!)
Delphi
daqCvtSetAdcRange(Admin:single; Admax:single)
Admin
A/D minimum voltage range
Parameters
Admax
A/D maximum voltage range
Returns
DerrNoError
No error
See Also
Program References
None
Used With
Description
daqCvtSetAdcRange
allows you to set the current ADC range for use by the
daqCvt…
functions. This function should not need to be
called if used for data collected by the Personal Daq devices.
daqDefaultErrorHandler
DLL Function
DaqDefaultErrorHandler(DaqHandleT handle, daqError errCode);
C
DaqDefaultErrorHandler(DaqHandleT handle, DaqError errCode);
Visual BASIC
VbdaqDefaultErrorHandler(ByVal handle&, ByVal errCode&)
Delphi
DaqDefaultErrorHandler(handle:DaqHandleT; errCode:daqError)
Handle
Handle to the device to which the default error handler is to be attached.
Parameters
ErrCode
The error code number of the detected error
Returns
None
See Also
DaqGetLastError, daqProcessError, daqSetDefaultErrorHandler
Program References
None
Used With
All devices
Description
daqDefaultErrorHandler
displays an error message and then exits the application program. When the Personadaq library is loaded, it
invokes the default error handler whenever it encounters an error. The error handler may be changed with
daqSetErrorHandler
.
daqFormatError
DLL Function
daqFormatError(daqError errorNum, PCHAR msg);
C
daqFormatError(DaqError errorNum, PCHAR msg);
Visual BASIC
VBdaqFormatError&(ByVal errorNum&, ByVal msg&)
Delphi
daqFormatError(errorNum:daqerror; msg:PCHAR);
daqError
Personal Daq API error code
Parameters
msg
Pointer to a string to return the error text
Returns
DerrNoError
No error
See Also
daqSetDefaultErrorHandler, daqSetErrorHandler, daqProcessError, daqGetLastError,
daqDefaultErrorHandler
Program References
None
Used With
All devices
Description
daqFormatError
returns the text-string equivalent for the specified error condition. The error condition is specified by the
daqError
parameter. The error text will be returned in the character string pointed to by the
msg
parameter. The character string space must have
been previously allocated by the application before calling this function. The allocated character string should be, at minimum, 64 bytes in
length.
For more information on specific error codes refer to the
API Error Codes
on page page
B-33.
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