/** ##########################################################################
**     Filename  :
**     Project   :
**     Module    :
**     Processor :
**     Version   : 1.0
**     Compiler  :
**     Date/Time :
**     Abstract  :
**     Contents  :
**     Note      :
**
**     (c) Copyright dmdz Co.,Ltd
**  --------------------------------------------------------------------------
**               R E V I S I O N   H I S T O R Y
**  --------------------------------------------------------------------------
**  Date       Ver   Author             Description

**  -20230602-  --V1.0--  --mingyea---  --修改--

** #########################################################################*/
#ifndef I2C_
#define I2C_

/*---------------------------------------------------------------------------
- I N C L U D E   F I L E S
----------------------------------------------------------------------------*/
#include "common_types.h"
#include "error.h"
#include "i2c_cfg.h"
#include "cpu.h"

/*---------------------------------------------------------------------------
- D E F I N E S / M A C R O S
----------------------------------------------------------------------------*/
#define I2C_CMD_NULL     0u       /* 空闲 */
#define I2C_CMD_READ     1u       /* I2C读操作 */
#define I2C_CMD_WRITE    2u       /* I2C写操作 */

#define I2C_STATE_IDLE    0u
#define I2C_STATE_START_BIT    1u
#define I2C_STATE_SEND_ADDR  2u
#define I2C_STATE_WRITE     3u
#define I2C_STATE_READ     4u
#define I2C_STATE_STOP_BIT     5u

#define I2C_SUB_STATE_ADDR_HIGH    0u
#define I2C_SUB_STATE_ADDR_LOW    1u

#define I2C_CMD_RESULT_INIT     0u
#define I2C_CMD_RESULT_FAILED     1u
#define I2C_CMD_RESULT_OK     	2u

#define I2C_RESULT_INIT     0u
#define I2C_RESULT_OK     	1u
#define I2C_RESULT_FAILED_TIMEOUT  2u
#define I2C_RESULT_FAILED_NACK    3u
#define I2C_RESULT_FAILE_TOHER    4u

#define I2C_JUDGE_ACK    0u
#define I2C_JUDGE_NACK    1u

#define I2C_ADDR_7BIT    0u
#define I2C_ADDR_10BIT    1u

#define I2C_RE_INIT_WHEN_FAULT  //当I2C出现故障时，强制重新初始

/*---------------------------------------------------------------------------
- T Y P E   D E F I N I T I O N S
----------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------
- G L O B A L   V A R I A B L E S
- only configuration table allowed here,variables are not allowed!
----------------------------------------------------------------------------*/
extern u16 i2c_snd_recv_temp;


/*---------------------------------------------------------------------------
- C O N S T A N T S
----------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------
- F U N C T I O N   P R O T O T Y P E
----------------------------------------------------------------------------*/
void i2c_init(void);
void i2c_task(void);


void i2c_re_init_para(void);

uint8_t i2c_send_block(u8 *p_buf, i2c_len_type len,i2c_len_type *p_real_len);
uint8_t i2c_recv_block(u8 *p_buf, i2c_len_type len,i2c_len_type *p_real_len);

void i2c_sel_slave_addr(u16 addr);

void i2c_send_block_successful_callback(void);
void i2c_recv_block_successful_callback(void);


void i2c_test(void);


#endif /*  */