#ifndef __I2C_H__
#define __I2C_H__

typedef struct{
  volatile unsigned char *tx_port;
  unsigned char tx_mask;
  volatile unsigned char *rx_port;
  unsigned char rx_mask;
  volatile unsigned char *clk_port;
  unsigned char clk_mask;
  void (*clk_wait)();
} i2c_channel_t;

void i2c_toggle(i2c_channel_t *channel);
void i2c_write(unsigned char data, i2c_channel_t *channel);
unsigned char i2c_read(i2c_channel_t *channel);

#endif /* __I2C_H__ */