global._h

iic for avr very good

//
struct str_TWI									//TWI数据结构
{
    volatile unsigned char	STATUS;				//TWI_操作状态
    unsigned char	SLA;						//从设备的器件地址
   // unsigned int	ADDR;						//从设备的数据地址
    unsigned char	*pBUF;						//数据缓冲区指针
    unsigned char	DATALEN;					//数据长度
    unsigned char	STATE;						//TWI读写操作步骤
    unsigned char	FAILCNT;					//失败重试次数
};

struct str_TWI strTWI;