Hand Held Products 4X00 Series manual Alphabetic Function List, AimIsOnICMedia, AimOffICMedia

Alphabetic Function List

The following is a list of functions that the ImagerHardware DLL must export to support the imaging device driver. The functions described below are specific to the IC Media imager and the ICMedia product specification and should be reviewed for coherency with this document.

AimIsOnICMedia

This function returns the state of the aimer.

BOOL AimIsOnICMedia(

void

)

Returns

Zero if OFF, non-zero if ON.

AimOffICMedia

This function turns off the aimer.

BOOL TurnAimerOffICMedia(

void

)

Returns

Zero on failure, non-zero on success

AimOnICMedia

This function turns on the aimer.

BOOL TurnAimerOnICMedia(

void

)

Returns

Zero on failure, non-zero on success.

AllocatePhysicalScanSpaceICMedia

This function reserves the physical memory for a single image. It does not matter to the driver how physical memory is handled on the specific platform. When the "pseudo-handle" is passed to various functions, a specific block of physical memory is referenced.

DWORD AllocatePhysicalScanSpaceICMedia(

void

)

Returns

DWORD - a "pseudo-handle" to physical memory on success. This "pseudo-handle" will be used to communicate a specific physical buffer when other memory functions are called. This function returns zero on failure.

2 IMAGETEAM™ 4X00 Series Hardware Interface Layer Specification