Component: Keypad (BL0138) (E-blocks 2)

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Author Matrix TSL
Version 1.0 (Release)
Category E-blocks 2


Image Keypad (BL0138) component

Keypad component to drive the E-blocks 2 BL0138 Keypad board. Provides twelve individual raster scanned switches.

Examples

No additional examples


Downloadable macro reference

WaitPressed

Blocking call that waits for one of the keys on the keypad to be pressed.

The index of the key that was pressed is passed back to the user.

Parameters

This macro has no parameters


Return value

BYTE


GetAscii

Gets the ASCII value for the current keypress.

If no key is pressed then the macro returns the value 255.

Parameters

This macro has no parameters


Return value

BYTE


GetString

Gets the ASCII value for the current keypress and returns in the form of a string.

If no key pressed then the macro returns a null string.

Parameters

This macro has no parameters


Return value

STRING


GetNumber

Gets the numeric value for the current keypress.

If no key pressed then the macro returns the value 255.

Parameters

This macro has no parameters


Return value

BYTE


GetIndex

Gets the index value for the current keypress.

If no key pressed then the macro returns the value 255.

Parameters

This macro has no parameters


Return value

BYTE


WaitReleased

Blocking call that waits for the keys on the keypad to be released.

If no key is pressed then the function will return immediatley.

Parameters

This macro has no parameters


Return value

This call does not return a value


Simulation macro reference

This component does not contain any simulation macros


Property reference

Connection Type

This property is of type Fixed list of ints and can be referenced with the variable name ConnType.

No additional information


Port

This property is of type Digital port byte and can be referenced with the variable name Port.

No additional information