Keypad, Clr_kb, Dis_alpha – Argox PA-20 Programming Guide User Manual
Page 68: En_alpha, Get_alpha_enable_state, Set_alpha_mode_state
PT-20 Programming Guide
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Purpose： To clear the keyboard buffer.
Syntax： void clr_kb(void);
Example call： clr_kb( );
Includes：
#include “SDK.h ”
Description： The clr_kb function clears the keyboard buffer. This function is
automatically called by the system program upon power up.
Returns： none
Purpose： Disable alphabet key stroke processing.
Syntax： void dis_alpha(void);
Example call： dis_alpha( );
Includes：
#include “SDK.h ”
Description： The dis_alpha function disables the alphabet key stroke processing. If the
alpha lock status is on prior to calling this function, it will become off after
calling this function.
Returns： none
Purpose： Enable alphabet key stroke processing.
Syntax： void en_alpha(void);
Example call： en_alpha( );
Includes：
#include “SDK.h ”
Description： The en_alpha function enables the alphabet key stroke processing.
Returns： none
Purpose： Get the status of the alphabet key stroke processing.
Syntax： void get_alpha_enable_state (void);
Example call： get_alpha_enable_state ( );
Includes：
#include “SDK.h ”
Description： This routine gets the current status, enable/disable, of the alphabet key
stroke processing. The default is enabled.
Returns： 1, if the alphabet key stroke processing is enabled.
0, if disabled.
Purpose： Set the status of the alphabet mode status.