Returns, Mid2246_api int sn_clearoverlay (int board), Parameters – Sensoray 2246 User Manual

Page 48: Function documentation - general purpose io

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Returns:

0 on success

MID2246_API int SN_ClearOverlay (int board)

Clear all overlays

Parameters:

board ID if multiple boards installed.

Returns:

0 on success

MID2246_API int SN_ClearOverlayRegion (int regionmask, int board)

Clears all overlays for specified region. Use SN_ClearOverlay to erase overlays. This
function only clears the overlay by region

Parameters:

regionmask output region mask
board ID if multiple boards installed.

Returns:

0 on success

MID2246_API int SN_SetOverlayRegion (int regionmask, int board)

Set all overlays for specified region.This function only sets regionmask for all overlays

Parameters:

regionmask output region mask
board ID if multiple boards installed.

Returns:

0 on success

MID2246_API int SN_SetOverlayMode (int mode, int board)

Set overlay mode. No longer has any effect. All current SDK/FPGA releases support full
screen (at source input resolution) double buffered text and graphic overlays with 16-bit
color.

Function Documentation - General Purpose IO

MID2246_API int SN_SetGPOutput (int states, int board)

Drives the general purpose output pins with the value in states.

Parameters:

states integer value to drive the general purpose outputs with.
board ID if multiple boards installed.

Returns:

0 on success

MID2246_API int SN_GetGPOutput (int * states, int board)

Reads the value that was previously written to the general purpose output pins via
SN_SetGPOutput

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