-
"CHECKPARITY"="1"
Return:
BOOL:
TRUE : OK
FALSE
:
Failure
2.2 Unregister the application from the USI.DLL
Function Description:
Unregister the application from the DLL. It will close the scanner port, and by default it will disable
the scanner.
Function call:
void
USI_Unregister
();
Return code:
None
2.3 Enable / Disable Scanner
Function Description:
To start or stop USI function. This function is useful for application to temporarily stop scanner
function if it is only need keypad input or keep clear input buffer.
Function call:
BOOL
USI_EnableScan
(BOOL bStatus);
Parameter: (input)
bStatus:
TRUE
: Enable Scanner
FALSE :
Disable
Scanner
Return:
BOOL :
TRUE : OK
FALSE : Failure
2.4 Reset
Scanner
Function Description:
Set the scanner to the working mode, and reset the communication control.
Function call:
BOOL
USI_Reset
();
Return:
Always TRUE
2.5 Get error code
Function Description:
Returns the error code (SERR_***).
Function call:
DWORD
USI_GetError
();
Return:
Returns the error code (SERR_***), which has been described in USI_Register function.
