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/**
******************************************************************************
* @file lib_i2c.h
* @author Application Team
* @version V1.1.0
* @date 2019-10-28
* @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;
/************** Bits definition for I2C_CTRL register ******************/
#define I2C_CTRL_CR_0 (0x0U << I2C_CTRL_CR0_Pos) /*!< 0x0000000 */
#define I2C_CTRL_CR_1 (0x1U << I2C_CTRL_CR0_Pos) /*!< 0x0000001 */
#define I2C_CTRL_CR_2 (0x2U << I2C_CTRL_CR0_Pos) /*!< 0x0000002 */
#define I2C_CTRL_CR_3 (0x3U << I2C_CTRL_CR0_Pos) /*!< 0x0000003 */
#define I2C_CTRL_CR_4 (0x80U << I2C_CTRL_CR0_Pos) /*!< 0x0000080 */
#define I2C_CTRL_CR_5 (0x81U << I2C_CTRL_CR0_Pos) /*!< 0x0000081 */
#define I2C_CTRL_CR_6 (0x82U << I2C_CTRL_CR0_Pos) /*!< 0x0000082 */
#define I2C_CTRL_CR_7 (0x83U << I2C_CTRL_CR0_Pos) /*!< 0x0000083 */
/************** Bits definition for I2C_STS register ******************/
#define I2C_STS_STS_0x00 (0x0U << I2C_STS_STS_Pos) /*!< 0x0000000 */
#define I2C_STS_STS_0x08 (0x1U << I2C_STS_STS_Pos) /*!< 0x0000008 */
#define I2C_STS_STS_0x10 (0x2U << I2C_STS_STS_Pos) /*!< 0x0000010 */
#define I2C_STS_STS_0x18 (0x3U << I2C_STS_STS_Pos) /*!< 0x0000018 */
#define I2C_STS_STS_0x20 (0x4U << I2C_STS_STS_Pos) /*!< 0x0000020 */
#define I2C_STS_STS_0x28 (0x5U << I2C_STS_STS_Pos) /*!< 0x0000028 */
#define I2C_STS_STS_0x30 (0x6U << I2C_STS_STS_Pos) /*!< 0x0000030 */
#define I2C_STS_STS_0x38 (0x7U << I2C_STS_STS_Pos) /*!< 0x0000038 */
#define I2C_STS_STS_0x40 (0x8U << I2C_STS_STS_Pos) /*!< 0x0000040 */
#define I2C_STS_STS_0x48 (0x9U << I2C_STS_STS_Pos) /*!< 0x0000048 */
#define I2C_STS_STS_0x50 (0xAU << I2C_STS_STS_Pos) /*!< 0x0000050 */
#define I2C_STS_STS_0x58 (0xBU << I2C_STS_STS_Pos) /*!< 0x0000058 */
#define I2C_STS_STS_0x60 (0xCU << I2C_STS_STS_Pos) /*!< 0x0000060 */
#define I2C_STS_STS_0x68 (0xDU << I2C_STS_STS_Pos) /*!< 0x0000068 */
#define I2C_STS_STS_0x70 (0xEU << I2C_STS_STS_Pos) /*!< 0x0000070 */
#define I2C_STS_STS_0x78 (0xFU << I2C_STS_STS_Pos) /*!< 0x0000078 */
#define I2C_STS_STS_0x80 (0x10U << I2C_STS_STS_Pos) /*!< 0x0000080 */
#define I2C_STS_STS_0x88 (0x11U << I2C_STS_STS_Pos) /*!< 0x0000088 */
#define I2C_STS_STS_0x90 (0x12U << I2C_STS_STS_Pos) /*!< 0x0000090 */
#define I2C_STS_STS_0x98 (0x13U << I2C_STS_STS_Pos) /*!< 0x0000098 */
#define I2C_STS_STS_0xA0 (0x14U << I2C_STS_STS_Pos) /*!< 0x00000A0 */
#define I2C_STS_STS_0xA8 (0x15U << I2C_STS_STS_Pos) /*!< 0x00000A8 */
#define I2C_STS_STS_0xB0 (0x16U << I2C_STS_STS_Pos) /*!< 0x00000B0 */
#define I2C_STS_STS_0xB8 (0x17U << I2C_STS_STS_Pos) /*!< 0x00000B8 */
#define I2C_STS_STS_0xC0 (0x18U << I2C_STS_STS_Pos) /*!< 0x00000C0 */
#define I2C_STS_STS_0xC8 (0x19U << I2C_STS_STS_Pos) /*!< 0x00000C8 */
#define I2C_STS_STS_0xF8 (0x1FU << I2C_STS_STS_Pos) /*!< 0x00000F8 */
//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
#define I2C_CTRL_CR (0x83)
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))
/****************************** I2C Instances *********************************/
#define IS_I2C_ALL_INSTANCE(INSTANCE) ((INSTANCE) == I2C)
/* 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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