i2c_util.h

#pragma once
#include <stdint.h>
// extern volatile uint8_t I2C_LOCK;

void i2c_setup(void);
void i2c_reset(void);

int i2c_write(uint8_t chip_addr, uint8_t reg_addr, void *data, uint8_t len);
int i2c_read(uint8_t chip_addr, uint8_t reg_addr,  void *data, uint8_t len);

int i2c_is_locked(void);
int raw_i2c_read(twi_package_t *packet);
int raw_i2c_send(twi_package_t *packet);