Disable laser trigger key, Enable laser trigger key

Function call for VC:

Return code: =1 =2 =3 =4 =0

5. ScanKey3.DLL – Backward compatible API for PT930/PT930S’s ScanKey3.dll

Note : For PA500, it need to dynamically load DLL for using Unitech built-in DLL (Unitech will not provide “USI.H” and “USI.LIB” for compiler), please refer to Chapter 7 for programming guide.

5.1.Enable Decoder

Function Description: This function will open COM2 port, create a thread to get any barcode input from Decoder Chip, and then send scanner data to keyboard buffer. User application can get input data just like standard keyboard input.

int PT_EnableBarToKey(VOID) Create new thread fail Can not re-enable

Can not open COM2

Upload parameter from Hamster fail

5.2.Disable Decoder

Function Description: This function will close COM2 port and then remove thread which is created by

PT_EnableBarToKey()

Function call for VC: VOID PT_DisableBarToKey ( VOID )

5.3.Get DLL version no

Function description: This function is used to get DLL version number.

Function call for VC: INT PT_Version(void);

Return : Integer

5.4.Disable laser trigger key

Function Description:

This function only stop trigger key to activate laser beam, so COM2 port is still open. This function call is useful when some fields is only allow keyboard input..

Function call for VC:

int PT_StopScan (VOID)

5.5.Enable laser trigger key

Function Description: This function only stop trigger key to activate laser beam, so COM2 port is still open. This function call is useful when some fields is only allow keyboard input..

Function call for VC: int PT_StartScan (VOID)

5.6.Reset all symbologies to default

Function Description: This function call will reset decoder chip's symbologies setting to system default value

Function call for VC: int PT_ SetToDefault (VOID) Function call for VB: PT_ SetToDefault