DAQ PCI-FRM01 Instrukcja Użytkownika Pobierz pdf (Strona 3)

Application Note (AN312)

eCARD-FRM11 board API Programming

http://www.daqsystem.com

Overview

Board Level APIs

int OpenDAQDevice(void)

BOOL ResetBoard(int nBoard)

BOOL CloseDAQDevice(void)

int GetBoardNum(void)

OpenDAQDevice

int OpenDAQDevice(void)

Parameters:

None

Return Value:

If the function succeeds, it returns the number of boards which were detected.

If the function fails, the return value is -1, it means there is no device in the system.

ResetBoard

BOOL ResetBoard(int nBoard)

Parameters:

nBoard :

The ordinal number of board which you want to initialize. You can get how may boards are

installed in this system using OpenDAQDevice function.

You may call this function at the very first time you run the program and some suspicious

operation.

Return Value:

It returns TRUE in case of the success of reset and initialization.

If you get FALSE you should not call any API functions with the board and call the

CloseDAQDevice() instead.

CloseDAQDevice

BOOL CloseDAQDevice(void)

The CloseDAQDevice function closes all opened devices(boards).

Parameters:

None

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DAQ PCI-FRM01 Instrukcja Użytkownika Strona 3