Unitech PA600 - 6 Sysioapi.dll; Keypad Related Functions; DisableEnable Power Button; Set Keypad Utility Input Mode

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6. SysIOAPI.DLL
This DLL provide hardware relative API for user to control scanner, LED, back-light and PC
card slot. API functions are provided through DLL to assist programmer to write application
for PA600.
Note : For PA600 programming, it need to dynamically load DLL for using Unitech built-in DLL (Unitech
will not provide *.H and *.LIB for compiler), please refer to Chapter 8 for programming guide.
6.1. Keypad Related Functions
6.1.1. Disable/enable power button
Function Description:
To enable / disable power button
Function call:
VOID DisablePowerButton (BOOL)
Parameter (Input)
TRUE = Disable power button.
FALSE = Enable power button.
Return code:
None
6.1.2. Set keypad utility input mode
Function Description:
In terminal, there is a utility to emulate full alpha key input, called GetVK. The
input mode can be switched by pressing “alpha” key, or by following function.
Function call:
void SetGetVKWorkingMode(int)
Parameter (input)
0 = hide the selection window.
1 = show lower case selection window.
2 = show upper case selection window.
Return code:
None
6.1.3. Get keypad utility input mode
Function Description:
This function is used to check alpha key input mode.
Function call:
BYTE GetAlphaKeyWorkingMode(void);
Return code:
0 = normal .
1 = lower case.
2 = upper case.
6.1.4. Check Alpha key is pressing
Function Description:
This function is used to check if alpha key is pressed or not.
Function call:
BOOL GetKeypadAlphaKeyStatus(void);
Return code:
TRUE = Alpha key is pressed.
FALSE = Alpha key is released.