i2c.h

#ifndef _I2C_H_
#define _I2C_H_

#include <stdint.h>

// PPP framing
#define STX 12
#define ETX 13
#define DLE 27

#define I2C_TX_BUF_SIZE 8
#define I2C_RX_BUF_SIZE 8

extern int i2c_master_tx(uint8_t addr, uint8_t *data, uint8_t l);
extern int i2c_master_rx(uint8_t addr, uint8_t *data, uint8_t l);

extern void twi_slave_rx(uint8_t u8_value);
extern uint8_t twi_slave_tx(void);
extern void twi_slave_stop(void);

extern void ii_tx_queue(uint8_t);

typedef void (*process_ii_t)(uint8_t *d, uint8_t l);
extern volatile process_ii_t process_ii;


#endif // header guard