PT-20 Programming Guide
24
Example call
：
InitScanner1( );
while(1)
{
if (Decode())
SleepScanner1(TRUE);
while(_getchar()==0);
SleepScanner1(FALSE);
}
Includes
：
#include “SDK.h ”
Description
：
Use SleepScanner1 function to set scanner in sleep mode. You have not
to initial scanner again, and it would be scan again.
Returns
：
None
HaltScanner1
Purpose
：
Stop the scanner port from operating.
Syntax
：
void HaltScanner1(void);
Example call
：
HaltScanner1( );
Includes
：
#include “SDK.h ”
Description
：
Use HaltScanner1 function to stop scanner port from operating. To
restart a halted scanner port, the initialization function, InitScanner1,
must be called. It is recommended that the scanner port should be
stopped if the barcode decoding is not required for a long period of time.
Returns
：
none
TriggerStatus
Purpose
：
To check the scan key status.
Syntax
：
int TriggerStatus(void);
Example call
：
if (TriggerStatus( ))
_printf_color(COLOR_
RED, “Scan key pressed!”);
Includes
：
#include “SDK.h ”
Description
：
This function can check the scan key status, if pressed scan key, this
function will return 1, else will return 0.
Returns
：
0:Scan key is not pressed.
1:Scan key is pressed.
Scanner_Reset
Purpose
：
Set scanner setting to default.
Syntax
：
BOOL Scanner_Reset(void)
Example call
：
If (Scanner_Reset())
_printf_color(COLOR_
RED, “Scan module reset OK!”);
Includes
：
#include “SDK.h ”
