Instruction manual

Inquires hardware revision of the video hardware.
PARAMETERS:
BoardId : board ID returned by el_OpenHW
High : Pointer to long with high part of revision
Low : Pointer to long with low part of revision
RETURN VALUE:
pointer to revision string if OK or NULL if error. See el_GetErrorCode for details.
EXAMPLE:
long hwrevlo, hwrevhi, swrevhi, swrevlo, drrevhi, drrevlo;
el_GetHWRevision( BoardId, &hwrevhi, &hwrevlo );
el_GetSWRevision( &swrevhi, &swrevlo );
el_GetDriverRevision( &drrevhi, &drrevlo );
5.2.15. el_GetNumOfBoards
long
el_GetNumOfBoards ( void, );
Inquires number of installed boards that can be accessed with the software used. This function can be
called prior to any other API function to indicate the number of boards available.
RETURN VALUE:
Number of boards
number of boards found or '-1' if ERROR. See el_GetErrorCode for details.
CAVEATS:
Be sure to use different board selects for each frame grabber board available in the computer. Otherwise
el_GetNumOfBoards returns an error. Please refer to the hardware help how to set the board select.
SEE ALSO: el_OpenHW
5.2.16. el_GetPixelClock
long
el_GetPixelClock ( long BoardId, long ValSelect, long Reserved2 );
BoardId : board ID returned by el_OpenHW
ValSelect :0: reads the realized value, 1: reads the desired value
DESCRIPTION: Retrieves the current pixel clock. With ValSelect=0 the actually realized value is
returned. With ValSelect=1 the desired value is returned. Because the resolution of the clock generator is
very high only small differences should occur.
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