//********************************************************************
//  Ver 1.0
//  2018.11.02
//********************************************************************
#ifndef __I2CS__H
#define __I2CS__H

//***********************************************************************************
#define	I2C_MODE_SLAVE		0		//I2C从机模式
#define	I2C_MODE_MASTER		1		//I2C主机模式
#define	I2C_SlaveAddr		0x64	//从机地址
#define	I2C_CLK_100K		150		//I2C访问速度100K

//***********************************************************************************
//IIC SDA引脚
#define	I2C1_GpioInit()	do{                         \
    GPIO_Init(GPIOA, GPIO_Pin_11, 1, IO_OUT_ODP);   \
    GPIO_Init(GPIOA, GPIO_Pin_12, 1, IO_OUT_ODP);   \
	GPIO_SetAfMode(GPIOA, GPIO_Pin_11, GpioAf3);    \
    GPIO_SetAfMode(GPIOA, GPIO_Pin_12, GpioAf3);    \
}while(0)

#define I2C_SdaHigh()   	GPIO_SetBit(GPIOA, GPIO_Pin_12)
#define I2C_SdaLow()		GPIO_ClrBit(GPIOA, GPIO_Pin_12)
#define I2C_SdaRead()		GPIO_ReadPin(GPIOA, GPIO_Pin_12)

#define I2C_SclHigh()		GPIO_SetBit(GPIOA, GPIO_Pin_11)
#define I2C_SclLow()		GPIO_ClrBit(GPIOA, GPIO_Pin_11)
#define I2C_SclRead()		GPIO_ReadPin(GPIOA, GPIO_Pin_11)

#define I2C_Init1(I2Cx, Baud)    do{ \
    stc_i2c_config_t stcI2cCfg;     \
    I2Cx##_GpioInit();              \
    Sysctrl_SetPeripheralGate((en_sysctrl_peripheral_gate_t)(SysctrlPeripheralI2c0+I2Cx),TRUE);  \
    stcI2cCfg.enFunc = I2cBaud_En;  \
    stcI2cCfg.u8Tm = 0x04;          \
    stcI2cCfg.pfnI2c0Cb = 0;        \
    stcI2cCfg.bTouchNvic = FALSE;   \
    I2C_DeInit(I2Cx);               \
    I2C_Init(I2Cx, &stcI2cCfg);     \
    I2C_SetFunc(I2Cx, I2cMode_En, ENABLE);  \
    I2C_SetFunc(I2Cx, I2cHlm_En, ENABLE);   \
}while(0)

//***********************************************************************************
#define	I2C_ClrIntFlag(I2Cx)	        I2C_ClearIrq(I2Cx)
#define	I2C_ReadIntFlag(I2Cx)	        I2C_GetIrq(I2Cx)
#define	I2C_SetSlaveAddr(I2Cx, Value)	I2C_WriteSlaveAddr(I2Cx, Value)
#define	I2C_SetClk(I2Cx, Value)	        I2C_SetBaud(I2Cx, Value)
#define	I2C_StateRead(I2Cx)	            I2C_GetState(I2Cx)

//***********************************************************************************
#define	I2C_BUFF_SIZE	8
typedef struct
{
    INT8U   Addr1;
    INT8U   Addr2;
    INT8U   Size;
    INT8U   Flag;
    INT8U   Cnt;
    INT8U   ErrCnt;
    INT8U   *ptr;
} I2C_Str1;

typedef	struct
{
    I2C_Str1 Info[2];
} I2C_Str;
extern	I2C_Str	I2C_Info;

#define	I2C_InfoInit()	MEM_Fill((INT8U *)&I2C_Info, 0, sizeof(I2C_Str))
#define	I2C_ErrCntMax	200


//***********************************************************************************
#define I2C_Start(I2Cn)             I2C_Cmd(I2Cn, ENABLE,  DISABLE, ENABLE)       //STA=1,STO=0,AA=1
#define I2C_ReStart(I2Cn)           I2C_Cmd(I2Cn, ENABLE,  ENABLE,  ENABLE)       //STA=1,STO=1,AA=1
#define I2C_Stop(I2Cn)              I2C_Cmd(I2Cn, DISABLE, ENABLE,  DISABLE)      //STA=0,STO=1,AA=0
#define I2C_Ack(I2Cn, NewState)     I2C_Cmd(I2Cn, DISABLE, DISABLE, NewState)     //STA=0,STO=0,AA=NewState

//***********************************************************************************

//***********************************************************************************
extern	void	I2C_ReadMultiByte(en_i2c_channel_t enCh, INT8U	Addr, INT8U	Reg, INT8U *ptr, INT8U	Len);
extern	void	I2C_WriteMultiByte(en_i2c_channel_t enCh, INT8U Addr, INT8U Reg, INT8U *ptr, INT8U Len);


#endif