功能说明：I2C器件读写程序



　　包 括：

　　bit TestAck(void)

　　uchar Read8Bit(void)

　　uchar WriteAdministraterPassWord(void)

　　uchar WriteDoorPassWord(void)

-Function Descr iption: I2C device read and write procedures, including: bit TestAck (void) uchar Read8Bit (void) uchar WriteAdministraterPassWord (void) uchar WriteDoorPassWord (void)