hardware_interfaces

Interface PincodeTerminal

All Known Implementing Classes:

PincodeTerminalTestDriver

public interface PincodeTerminal

Field Summary

Fields

Modifier and Type	Field and Description
static int	GREEN_LED
static int	RED_LED

Method Summary

Modifier and Type	Method and Description
void	lightLED(int color, int time) Turns on LED for lightTime seconds.
void	registerObserver(PincodeObserver observer) Registers a new observer to call when a user has pressed a key.

Field Detail

RED_LED

static final int RED_LED

See Also:

Constant Field Values

GREEN_LED

static final int GREEN_LED

See Also:

Constant Field Values

Method Detail

lightLED

void lightLED(int color,
              int time)

Turns on LED for lightTime seconds.

Parameters:

color - PinCodeTerminal.RED_LED or PinCodeTerminal.GREEN_LED

time - Turn on LED for time seconds

registerObserver

void registerObserver(PincodeObserver observer)

Registers a new observer to call when a user has pressed a key.

Parameters:

observer - an observer to add