-7 SysIOAPI.DLLThis DLL provide hardware relative API for user to control scanner, LED, back-light and PCcard slot. API functions are provided through DLL to assist programmer to write applicationfor HT6XX/PA96x/PA982. Two files are essential and provided in SDK, SysIOAPI.LIB andSysIOAPI.H.7.1 Keypad Related Functions7.1.1 Get CAPS lock status (This function call is reserved for OS using, it is notsuggested to be used on application if you are not fully understand OSoperation behavior)Function Description:To check if CAPS is lock or unlockFunction call:BOOL GetCapsLock(void)Return code:BOOL: TRUE: CAPS lockFALSE: CAPS unlock7.1.2 Get SHIFT status (This function call is reserved for OS using, it is notsuggested to be used on application if you are not fully understand OSoperation behavior)Function Description:To check if SHIFT key is lock or notFunction call:BOOL GetShift(void)Return code:TRUE: Shift lockFALSE: Shift unlock7.1.3 Get keypad type (This function call is reserved for OS using, it is notsuggested to be used on application if you are not fully understand OSoperation behavior)Function Description:HT680/PA962/PA982 only have 22 keys configuration, PA96x will have two keypad type, 22 keysand 36 keys. In HT660, there is only 36 keys configuration.The following function returns currentkeypad type.Function call:int GetKeypadType(void)Return code:0 = no keypad1 = 22-key keypad (For HT680/PA962/PA966/PA982 using)2 = 36-kwy keypad (For PA966/HT660 using)
