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/**
******************************************************************************
* @file lib_i2c.h
* @author Application Team
* @version V4.5.0
* @date 2019-05-14
* @brief IIC library.
******************************************************************************
* @attention
*
******************************************************************************
*/
#ifndef __LIB_I2C_H
#define __LIB_I2C_H
#ifdef __cplusplus
extern "C" {
#endif
#include "target.h"
typedef struct
{
uint32_t SlaveAddr;
uint32_t GeneralCallAck;
uint32_t AssertAcknowledge;
uint32_t ClockSource;
} I2C_InitType;
//GeneralCallAck
#define I2C_GENERALCALLACK_ENABLE I2C_ADDR_GC
#define I2C_GENERALCALLACK_DISABLE 0
//AssertAcknowledge
#define I2C_ASSERTACKNOWLEDGE_ENABLE I2C_CTRL_AA
#define I2C_ASSERTACKNOWLEDGE_DISABLE 0
//ClockSource
#define I2C_CLOCKSOURCE_APBD256 I2C_CTRL_CR_0
#define I2C_CLOCKSOURCE_APBD224 I2C_CTRL_CR_1
#define I2C_CLOCKSOURCE_APBD192 I2C_CTRL_CR_2
#define I2C_CLOCKSOURCE_APBD160 I2C_CTRL_CR_3
#define I2C_CLOCKSOURCE_APBD960 I2C_CTRL_CR_4
#define I2C_CLOCKSOURCE_APBD120 I2C_CTRL_CR_5
#define I2C_CLOCKSOURCE_APBD60 I2C_CTRL_CR_6
#define I2C_CLOCKSOURCE_TIM3OFD8 I2C_CTRL_CR_7
typedef struct
{
uint16_t SlaveAddr;
uint8_t SubAddrType;
uint32_t PageRange;
uint32_t SubAddress;
uint8_t *pBuffer;
uint32_t Length;
} I2C_WRType;
//SubAddrType
#define I2C_SUBADDR_1BYTE 1
#define I2C_SUBADDR_2BYTE 2
#define I2C_SUBADDR_OTHER 3
//remap
#define I2C_REMAP_ENABLE 1
#define I2C_REMAP_DISABLE 0
/* Private macros ------------------------------------------------------------*/
#define IS_I2C_GC(__GC__) (((__GC__) == I2C_GENERALCALLACK_ENABLE) ||\
((__GC__) == I2C_GENERALCALLACK_DISABLE))
#define IS_I2C_AA(__AA__) (((__AA__) == I2C_ASSERTACKNOWLEDGE_ENABLE) ||\
((__AA__) == I2C_ASSERTACKNOWLEDGE_DISABLE))
#define IS_I2C_CLKSRC(__CLKSRC__) (((__CLKSRC__) == I2C_CLOCKSOURCE_APBD256) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD224) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD192) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD160) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD960) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD120) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_APBD60) ||\
((__CLKSRC__) == I2C_CLOCKSOURCE_TIM3OFD8))
#define I2C_SUBADDR_TYPE(__TYPE__) (((__TYPE__) == I2C_SUBADDR_1BYTE) ||\
((__TYPE__) == I2C_SUBADDR_2BYTE) ||\
((__TYPE__) == I2C_SUBADDR_OTHER))
/* Exported Functions ------------------------------------------------------- */
/* I2C Exported Functions Group1:
(De)Initialization ------------------------*/
void I2C_DeInit(uint32_t remap);
void I2C_StructInit(I2C_InitType *InitStruct);
void I2C_Init(I2C_InitType *InitStruct);
/* I2C Exported Functions Group2:
Interrupt ---------------------------------*/
void I2C_INTConfig(uint32_t NewState);
uint8_t I2C_GetINTStatus(void);
void I2C_ClearINTStatus(void);
/* I2C Exported Functions Group3:
Transfer datas ----------------------------*/
uint16_t I2C_MasterReadBytes(I2C_WRType *InitStruct);
uint16_t I2C_MasterWriteBytes(I2C_WRType *InitStruct);
/* I2C Exported Functions Group4:
MISC Configuration ------------------------*/
void I2C_Cmd(uint32_t NewState);
/* I2C Exported Functions Group5:
Others ------------------------------------*/
void I2C_AssertAcknowledgeConfig(uint32_t NewState);
uint8_t I2C_ReceiveData(void);
void I2C_SendData(uint8_t Dat);
void I2C_GenerateSTART(uint32_t NewState);
void I2C_GenerateSTOP(uint32_t NewState);
uint8_t I2C_GetStatusCode(void);
#ifdef __cplusplus
}
#endif
#endif /* __LIB_I2C_H */
/*********************************** END OF FILE ******************************/
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