168 lines
6.8 KiB
C
168 lines
6.8 KiB
C
/******************************************************************************
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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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#include "interrupts_hc32l136.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通道选择
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*****************************************************************************/
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typedef enum en_i2c_channel
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{
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I2C0 = 0,///<通道0
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I2C1 = 1,///<通道1
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}en_i2c_channel_t;
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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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I2cMode_En = 0, ///<I2C模块使能
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I2cStart_En = 1, ///<开始信号
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I2cStop_En = 2, ///<结束信号
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I2cAck_En = 3, ///<应答信号
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I2cHlm_En = 4, ///<高速使能
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I2cBaud_En = 5, ///<波特率使能
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}en_i2c_func_t;
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/**
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******************************************************************************
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** \brief I2C从机地址配置
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*****************************************************************************/
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typedef struct stc_i2c_addr
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{
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uint8_t Addr; ///<从机模式地址
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uint8_t Gc; ///<广播地址使能
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}stc_i2c_addr_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_config
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{
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en_i2c_func_t enFunc; ///<功能使能
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uint8_t u8Tm; ///<波特率计数器配置
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stc_i2c_addr_t stcSlaveAddr;///<从机地址
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func_ptr_t pfnI2c0Cb; ///<中断服务函数指针
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func_ptr_t pfnI2c1Cb;
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boolean_t bTouchNvic; ///<是否使能NVIC
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}stc_i2c_config_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(en_i2c_channel_t enCh,stc_i2c_config_t *pstcI2CCfg);
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//I2C模块关闭函数
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en_result_t I2C_DeInit(en_i2c_channel_t enCh);
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//设置波特率配置寄存器
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en_result_t I2C_SetBaud(en_i2c_channel_t enCh,uint8_t u8Tm);
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//I2C功能设置函数
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en_result_t I2C_SetFunc(en_i2c_channel_t enCh,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(en_i2c_channel_t enCh,en_i2c_func_t enFunc);
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//获取中断标记SI
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boolean_t I2C_GetIrq(en_i2c_channel_t enCh);
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//清除中断标记SI
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en_result_t I2C_ClearIrq(en_i2c_channel_t enCh);
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//获取状态
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uint8_t I2C_GetState(en_i2c_channel_t enCh);
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//写从机地址函数
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en_result_t I2C_WriteSlaveAddr(en_i2c_channel_t enCh,stc_i2c_addr_t *pstcSlaveAddr);
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//主发送函数
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en_result_t I2C_MasterWriteData(en_i2c_channel_t enCh,uint8_t u8DevAddr,uint8_t u8Addr,uint8_t *pu8Data,uint32_t u32Len);
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//从发送函数
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en_result_t I2C_SlaveWriteData(en_i2c_channel_t enCh,uint8_t *pu8Data,uint32_t *u32Len);
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//字节写函数
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en_result_t I2C_WriteByte(en_i2c_channel_t enCh,uint8_t u8Data);
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//主接收函数
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en_result_t I2C_MasterReadData(en_i2c_channel_t enCh,uint8_t u8DevAddr,uint8_t *pu8Data,uint8_t u8Addr,uint32_t u32Len);
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//主接收函数
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en_result_t I2C_SlaveReadData(en_i2c_channel_t enCh,uint8_t *pu8Data,uint32_t *pu32Len);
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//字节读函数
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uint8_t I2C_ReadByte(en_i2c_channel_t enCh);
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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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