21 lines
372 B
C
21 lines
372 B
C
|
#ifndef I2C_H
|
||
|
|
#define I2C_H
|
||
|
|
|
||
|
|
#include <avr/io.h>
|
||
|
|
#include <util/twi.h>
|
||
|
|
|
||
|
|
#include "lib/mystd.h"
|
||
|
|
|
||
|
|
#define I2C_CLOCK 400000UL
|
||
|
|
|
||
|
|
#define I2C_ADDR(ADDR, RW) ((ADDR) << 1 | (RW & 1))
|
||
|
|
|
||
|
|
void i2c_init(void);
|
||
|
|
t_error i2c_start(void);
|
||
|
|
t_error i2c_stop(void);
|
||
|
|
t_error i2c_write(uint8_t);
|
||
|
|
t_error i2c_read_nack(uint8_t* out);
|
||
|
|
t_error i2c_read_ack(uint8_t* out);
|
||
|
|
|
||
|
|
#endif /* I2C_H */
|