// Copyright (c) M5Stack. All rights reserved.

// Licensed under the MIT license. See LICENSE file in the project root for full

// license information.

#include "M5Faces.h"

// ================ Faces Keyboard ===================

#define KEYBOARD_I2C_ADDR 0x08

#define KEYBOARD_INT 5

#define READI2CSUBADDR 0

/*----------------------------------------------------------------------*

* Extentions for Facces *

*----------------------------------------------------------------------*/

bool M5Faces::canControlFaces() {

return M5.I2C.writeCommand(KEYBOARD_I2C_ADDR, READI2CSUBADDR);

}

M5Faces::M5Faces() {

pinMode(KEYBOARD_INT, INPUT_PULLUP);

}

uint8_t M5Faces::getch(void) {

uint8_t data = 0x00;

if (kbhit()) {

while (data == 0x00) {

if (!M5.I2C.readByte(KEYBOARD_I2C_ADDR, &data)) {

return 0x00;

}

delay(1);

}

return data;

}

return 0x00;

}

bool M5Faces::kbhit(void) {

return (digitalRead(KEYBOARD_INT) == LOW);

}