button Namespace Reference

Functions
void	initialize ()
uint8_t	read (uint8_t pin)
uint8_t	read ()

Detailed Description

The panel has 8 buttons named KEY1 to KEY8. PORTB is connected to the buttons of the panel. Buttons are pushed if the port value is low. PORTB0 - KEY1 PORTB1 - KEY2 PORTB2 - KEY3 PORTB3 - KEY4 PORTB4 - KEY5 PORTB5 - KEY6 PORTB6 - KEY7 PORTB7 - KEY8

Function Documentation

initialize()

void button::initialize

(

)

Initializes PORTB to input.

read() [1/2]

uint8_t button::read

(

)

Gets the state of all buttons as a number. Highest bit is KEY1, lowest bit is KEY8. Bit value is 1 if the button is pressed, 0 if it is released.

Returns

bitmap of buttons

read() [2/2]

uint8_t button::read

(

uint8_t

pin

)

Gets the state of the button.

Parameters

pin	Pin of the button

Returns

1 if the button is pressed, 0 if it is released