/* ----------------------------------------------------------------------------
 * Very simple Teensy 2.0 TWI library : exports
 * ----------------------------------------------------------------------------
 * Copyright (c) 2012 Ben Blazak <benblazak.dev@gmail.com>
 * Released under The MIT License (MIT) (see "license.md")
 * Project located at <https://github.com/benblazak/ergodox-firmware>
 * ------------------------------------------------------------------------- */

#pragma once
#include <util/twi.h>

// --------------------------------------------------------------------

#ifndef TWI_FREQ
#define TWI_FREQ 100000  // in Hz
#endif

// --------------------------------------------------------------------

void    twi_init  (void);
uint8_t twi_start (void);
void    twi_stop  (void);
uint8_t twi_send  (uint8_t data);
uint8_t twi_read  (uint8_t * data);