1 /* i2c.h */ 2 int i2c_init(void); 3 4 /* High level I2C actions */ 5 int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue); 6 unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg); 7 8 /* Low level I2C */ 9 void i2c_start(void); 10 void i2c_stop(void); 11 void i2c_outbyte(unsigned char x); 12 unsigned char i2c_inbyte(void); 13 int i2c_getack(void); 14 void i2c_sendack(void); 15 16 17 18