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- /******************************************************************************
- * Copyright (C) 2021, Xiaohua Semiconductor Co., Ltd. All rights reserved.
- *
- * This software component is licensed by XHSC under BSD 3-Clause license
- * (the "License"); You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************/
- /******************************************************************************
- * @file i2c.h
- *
- * @brief Header file for I2C functions
- *
- * @author MADS Team
- *
- ******************************************************************************/
- #ifndef __I2C_H__
- #define __I2C_H__
- #include "ddl.h"
- /**
- *******************************************************************************
- ** \defgroup I2cGroup Inter-Integrated Circuit (I2C)
- **
- **
- ******************************************************************************/
- //@{
- /******************************************************************************/
- /* Global pre-processor symbols/macros ('#define') */
- /******************************************************************************/
- /******************************************************************************
- * Global type definitions
- ******************************************************************************/
- /**
- ******************************************************************************
- ** \brief I2C功能配置
- *****************************************************************************/
- typedef enum en_i2c_func
- {
- I2cModule_En = 6u, ///<I2C模块使能
- I2cStart_En = 5u, ///<开始信号
- I2cStop_En = 4u, ///<结束信号
- I2cAck_En = 2u, ///<应答信号
- I2cHlm_En = 0u, ///<高速使能
- }en_i2c_func_t;
- /**
- ******************************************************************************
- ** \brief I2C模式配置
- *****************************************************************************/
- typedef enum en_i2c_mode
- {
- I2cMasterMode = 0x40u, ///<I2C主机模式
- I2cSlaveMode = 0x44u, ///<I2C从机模式
- }en_i2c_mode_t;
- /**
- ******************************************************************************
- ** \brief I2C初始化配置结构
- *****************************************************************************/
- typedef struct stc_i2c_cfg
- {
- uint32_t u32Pclk; ///<Pclk 设置(Hz)
- uint32_t u32Baud; ///<I2C通信波特率(Hz)
- en_i2c_mode_t enMode; ///<I2C主从模式配置
- uint8_t u8SlaveAddr; ///<从机地址配置(如果需要)
- boolean_t bGc; ///<广播地址使能(如果需要)
- }stc_i2c_cfg_t;
- /******************************************************************************
- * Global variable declarations ('extern', definition in C source)
- *****************************************************************************/
- /******************************************************************************
- * Global function prototypes (definition in C source)
- *****************************************************************************/
- //I2C初始化函数
- en_result_t I2C_Init(M0P_I2C_TypeDef* I2Cx,stc_i2c_cfg_t *pstcI2CCfg);
- //设置波特率配置寄存器
- en_result_t I2C_SetBaud(M0P_I2C_TypeDef* I2Cx,uint8_t u8Tm);
- //I2C功能设置函数
- en_result_t I2C_SetFunc(M0P_I2C_TypeDef* I2Cx,en_i2c_func_t enFunc);
- //I2C功能清除函数
- en_result_t I2C_ClearFunc(M0P_I2C_TypeDef* I2Cx,en_i2c_func_t enFunc);
- //获取中断标记SI
- boolean_t I2C_GetIrq(M0P_I2C_TypeDef* I2Cx);
- //清除中断标记SI
- en_result_t I2C_ClearIrq(M0P_I2C_TypeDef* I2Cx);
- //获取状态
- uint8_t I2C_GetState(M0P_I2C_TypeDef* I2Cx);
- //字节写函数
- en_result_t I2C_WriteByte(M0P_I2C_TypeDef* I2Cx,uint8_t u8Data);
- //字节读函数
- uint8_t I2C_ReadByte(M0P_I2C_TypeDef* I2Cx);
-
- //@} // I2cGroup
- #ifdef __cplusplus
- #endif
- #endif /* __I2C_H__ */
- /******************************************************************************
- * EOF (not truncated)
- *****************************************************************************/
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