keyboard.h File Reference

Analog buttons related functions. More...

Go to the source code of this file.

Functions
void	initKeyboard ()
	Initialize keyboard abstraction. More...
void	keyboardLoop ()
	Handle button events. More...
void	calibrateButtons ()
	Helper to calibrate analog values of buttons. More...

Detailed Description

Analog buttons related functions.

Author

Makers For Life

Copyright

Copyright (c) 2020 Makers For Life

This relies on the Analog Buttons library (https://github.com/rlogiacco/AnalogButtons).

Definition in file keyboard.h.

Function Documentation

calibrateButtons()

void calibrateButtons

(

)

Helper to calibrate analog values of buttons.

Definition at line 233 of file keyboard.cpp.

{}

initKeyboard()

void initKeyboard

(

)

Initialize keyboard abstraction.

Warning

It must be called once to be able to use the buttons

Definition at line 78 of file keyboard.cpp.

                    {
    // define the 3x3 matrix keyboard input and output
    pinMode(PIN_OUT_COL1, OUTPUT);
    pinMode(PIN_OUT_COL2, OUTPUT);
    pinMode(PIN_OUT_COL3, OUTPUT);
    digitalWrite(PIN_OUT_COL1, LOW);
    digitalWrite(PIN_OUT_COL2, LOW);
    digitalWrite(PIN_OUT_COL3, LOW);
    pinMode(PIN_IN_ROW1, INPUT);
    pinMode(PIN_IN_ROW2, INPUT);
    pinMode(PIN_IN_ROW3, INPUT);
 
    buttonAlarmOff.attachClick(onAlarmOff);
    buttonStart.attachClick(onStart);
    buttonStop.attachClick(onStop);
}

keyboardLoop()

void keyboardLoop

(

)

Handle button events.

Warning

It must be called in the program loop

Definition at line 223 of file keyboard.cpp.

                    {
#ifndef DISABLE_BUTTONS
    scanMatrixLoop();
    buttonAlarmOff.tick();
    buttonStart.tick();
    buttonStop.tick();
#endif
}