#ifndef BOTTOM_HALF_HPP
#define BOTTOM_HALF_HPP

#include "driver/i2c.h"
#include "driver/gpio.h"
#include "esp_log.h"

#define BOTTOM_I2C_NUM I2C_NUM_0
#define BOTTOM_I2C_ADDR 126
#define BOTTOM_PIN_INTERUPT GPIO_NUM_0

#define DELTA_BIT_KP 0
#define DELTA_BIT_BUTTON 1

typedef enum {
    k1 = 0,
    k4 = 1,
    k7 = 2,
    star = 3,
    k2 = 4,
    k5 = 5,
    k8 = 6,
    k0 = 7,
    k3 = 8,
    k6 = 9,
    k9 = 10,
    pound = 11,
    ka = 12,
    kb = 13,
    kc = 14,
    kd = 15,
} KeypadKey;

bool get_pressed_keypad(KeypadKey* kp);
bool get_released_keypad(KeypadKey* kp);
char char_of_keypad_key(KeypadKey kp);

static void poll_bottom_task(void *arg);

void init_bottom_half();

#endif /* BOTTOM_HALF_HPP */