#pragma once

#include "driver/i2c_master.h"

#define I2C_PORT I2C_NUM_0

extern i2c_master_bus_handle_t bus;

void i2c_init(int sda, int scl);

esp_err_t i2c_write_reg(uint8_t addr, uint8_t reg, uint8_t val);
esp_err_t i2c_read_reg(uint8_t addr, uint8_t reg, uint8_t *val);
esp_err_t i2c_read_multi(uint8_t addr, uint8_t reg, uint8_t *buf, int len);

esp_err_t i2c_read_reg_multi(uint8_t addr, uint8_t reg, uint8_t *buf,
                             size_t len);