149 lines
5.8 KiB
C
149 lines
5.8 KiB
C
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/******************************************************************************
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* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/*****************************************************************************/
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/** \file i2c.h
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**
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** Headerfile for I2C functions
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**
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**
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** History:
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** - 2018-03-1 CJ First Version
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**
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*****************************************************************************/
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#ifndef __I2C_H__
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#define __I2C_H__
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#include "ddl.h"
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/**
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*******************************************************************************
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** \defgroup I2cGroup Inter-Integrated Circuit (I2C)
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**
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**
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******************************************************************************/
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//@{
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/******************************************************************************/
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/* Global pre-processor symbols/macros ('#define') */
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/******************************************************************************/
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/******************************************************************************
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* Global type definitions
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******************************************************************************/
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/**
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******************************************************************************
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** \brief I2C功能配置
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*****************************************************************************/
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typedef enum en_i2c_func
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{
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I2cModule_En = 6u, ///<I2C模块使能
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I2cStart_En = 5u, ///<开始信号
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I2cStop_En = 4u, ///<结束信号
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I2cAck_En = 2u, ///<应答信号
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I2cHlm_En = 0u, ///<高速使能
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}en_i2c_func_t;
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/**
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******************************************************************************
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** \brief I2C模式配置
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*****************************************************************************/
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typedef enum en_i2c_mode
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{
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I2cMasterMode = 0x40u, ///<I2C主机模式
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I2cSlaveMode = 0x44u, ///<I2C从机模式
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}en_i2c_mode_t;
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/**
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******************************************************************************
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** \brief I2C初始化配置结构
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*****************************************************************************/
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typedef struct stc_i2c_cfg
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{
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uint32_t u32Pclk; ///<Pclk 设置(Hz)
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uint32_t u32Baud; ///<I2C通信波特率(Hz)
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en_i2c_mode_t enMode; ///<I2C主从模式配置
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uint8_t u8SlaveAddr; ///<从机地址配置(如果需要)
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boolean_t bGc; ///<广播地址使能(如果需要)
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}stc_i2c_cfg_t;
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/******************************************************************************
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* Global variable declarations ('extern', definition in C source)
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*****************************************************************************/
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/******************************************************************************
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* Global function prototypes (definition in C source)
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*****************************************************************************/
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//I2C初始化函数
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en_result_t I2C_Init(M0P_I2C_TypeDef* I2Cx,stc_i2c_cfg_t *pstcI2CCfg);
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//设置波特率配置寄存器
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en_result_t I2C_SetBaud(M0P_I2C_TypeDef* I2Cx,uint8_t u8Tm);
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//I2C功能设置函数
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en_result_t I2C_SetFunc(M0P_I2C_TypeDef* I2Cx,en_i2c_func_t enFunc);
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//I2C功能清除函数
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en_result_t I2C_ClearFunc(M0P_I2C_TypeDef* I2Cx,en_i2c_func_t enFunc);
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//获取中断标记SI
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boolean_t I2C_GetIrq(M0P_I2C_TypeDef* I2Cx);
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//清除中断标记SI
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en_result_t I2C_ClearIrq(M0P_I2C_TypeDef* I2Cx);
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//获取状态
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uint8_t I2C_GetState(M0P_I2C_TypeDef* I2Cx);
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//字节写函数
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en_result_t I2C_WriteByte(M0P_I2C_TypeDef* I2Cx,uint8_t u8Data);
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//字节读函数
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uint8_t I2C_ReadByte(M0P_I2C_TypeDef* I2Cx);
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//@} // I2cGroup
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#ifdef __cplusplus
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#endif
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#endif /* __I2C_H__ */
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/******************************************************************************
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* EOF (not truncated)
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*****************************************************************************/
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