106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
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/** ##########################################################################
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** Filename :
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** Project :
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** Module :
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** Processor :
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** Version : 1.0
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** Compiler :
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** Date/Time :
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** Abstract :
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** Contents :
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** Note :
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**
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** (c) Copyright dmdz Co.,Ltd
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** --------------------------------------------------------------------------
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** R E V I S I O N H I S T O R Y
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** --------------------------------------------------------------------------
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** Date Ver Author Description
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** -20230602- --V1.0-- --mingyea--- --修改--
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** #########################################################################*/
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#ifndef I2C_
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#define I2C_
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/*---------------------------------------------------------------------------
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- I N C L U D E F I L E S
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----------------------------------------------------------------------------*/
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#include "common_types.h"
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#include "error.h"
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#include "i2c_cfg.h"
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#include "cpu.h"
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/*---------------------------------------------------------------------------
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- D E F I N E S / M A C R O S
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----------------------------------------------------------------------------*/
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#define I2C_CMD_NULL 0u /* 空闲 */
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#define I2C_CMD_READ 1u /* I2C读操作 */
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#define I2C_CMD_WRITE 2u /* I2C写操作 */
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#define I2C_STATE_IDLE 0u
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#define I2C_STATE_START_BIT 1u
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#define I2C_STATE_SEND_ADDR 2u
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#define I2C_STATE_WRITE 3u
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#define I2C_STATE_READ 4u
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#define I2C_STATE_STOP_BIT 5u
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#define I2C_SUB_STATE_ADDR_HIGH 0u
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#define I2C_SUB_STATE_ADDR_LOW 1u
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#define I2C_CMD_RESULT_INIT 0u
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#define I2C_CMD_RESULT_FAILED 1u
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#define I2C_CMD_RESULT_OK 2u
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#define I2C_RESULT_INIT 0u
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#define I2C_RESULT_OK 1u
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#define I2C_RESULT_FAILED_TIMEOUT 2u
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#define I2C_RESULT_FAILED_NACK 3u
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#define I2C_RESULT_FAILE_TOHER 4u
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#define I2C_JUDGE_ACK 0u
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#define I2C_JUDGE_NACK 1u
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#define I2C_ADDR_7BIT 0u
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#define I2C_ADDR_10BIT 1u
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#define I2C_RE_INIT_WHEN_FAULT //当I2C出现故障时，强制重新初始
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/*---------------------------------------------------------------------------
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- T Y P E D E F I N I T I O N S
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----------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------
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- G L O B A L V A R I A B L E S
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- only configuration table allowed here,variables are not allowed!
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----------------------------------------------------------------------------*/
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extern u16 i2c_snd_recv_temp;
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/*---------------------------------------------------------------------------
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- C O N S T A N T S
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----------------------------------------------------------------------------*/
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/*---------------------------------------------------------------------------
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- F U N C T I O N P R O T O T Y P E
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----------------------------------------------------------------------------*/
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void i2c_init(void);
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void i2c_task(void);
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void i2c_re_init_para(void);
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uint8_t i2c_send_block(u8 *p_buf, i2c_len_type len,i2c_len_type *p_real_len);
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uint8_t i2c_recv_block(u8 *p_buf, i2c_len_type len,i2c_len_type *p_real_len);
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void i2c_sel_slave_addr(u16 addr);
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void i2c_send_block_successful_callback(void);
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void i2c_recv_block_successful_callback(void);
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void i2c_test(void);
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#endif /* */
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