Hand Held Products 4X00, Руководство пользователя

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IMAGETEAM™ 4X00 Series Hardware Interface Layer Specification 7
GetRegisterSettingsForHHPExposureControlICMedia
This function is used for the hardware DLL to give the driver access to the register settings needed for its hardware platform.
The structure below represents the array data type the GetRegisterSettingsForHHPExposureControlICMedia function returns to
the driver via the ppRegisterEntries pointer:
typedef struct {
unsigned char nRegister;
unsigned char nValue;
} ICMediaRegisterEntry_t;
DWORDGetRegisterSettingsForHHPExposureControlICMedia(
ICMediaRegisterEntry_t **ppRegisterEntries
)
Passed Arguments Description
ICMediaRegisterEntry_t **ppRegisterEntries
A pointer to a location where a pointer to the register settings can be set. The
ICMediaRegisterEntry_t is defined above. The table itself is an array of these
structures having a register location, and the value it is to be set to in each entry.
Returns
DWORD - The number of entries in the table returned to the driver.
GetScanHeightICMedia
This function returns the number of rows in the image.
DWORD GetScanHeight(
void
)
Returns
Number of rows or zero on failure.
GetScanWidthICMedia
This function returns the number of columns in the image.
DWORD GetScanWidth(
void
)
Returns
Number of columns or zero on failure.
IllumIsOnICMedia
This function returns the state of the illumination LEDs.
BOOL IllumIsOnICMedia(
void
)
Returns
Zero if OFF, non-zero if ON.