Table of Contents
hil_is_valid
Determines whether an HIL board handle is valid.
Description
The hil_is_valid function returns a non-zero value if the given board handle is valid. A board handle is valid if it was returned by successful call to hil_open and has not been closed. If the board handle is invalid, this function returns zero.
Prototype
t_boolean hil_is_valid(t_card card);
Parameters
t_card card
A handle to the board, as returned by hil_open.
Return value
The return value is non-zero if the board handle is valid. Otherwise it is zero.
Error codes
This function does not return any error code.
Requirements
Include Files |
Libraries |
---|---|
hil.h |
hil.lib;quanser_runtime.lib;quanser_common.lib |
Examples
if (!hil_is_valid(board)) { _tprintf(_T("Board handle is invalid.\n")); return; }
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