1 #ifndef DDK750_HWI2C_H__ 2 #define DDK750_HWI2C_H__ 3 4 /* hwi2c functions */ 5 int sm750_hw_i2c_init(unsigned char bus_speed_mode); 6 void sm750_hw_i2c_close(void); 7 8 unsigned char sm750_hw_i2c_read_reg(unsigned char addr, unsigned char reg); 9 int sm750_hw_i2c_write_reg(unsigned char addr, unsigned char reg, 10 unsigned char data); 11 #endif 12