168 lines
6.8 KiB
C
168 lines
6.8 KiB
C
|
/******************************************************************************
|
||
|
|
* Copyright (C) 2017, Huada Semiconductor Co.,Ltd All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is owned and published by:
|
||
|
|
* Huada Semiconductor Co.,Ltd ("HDSC").
|
||
|
|
*
|
||
|
|
* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
|
||
|
|
* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
|
||
|
|
*
|
||
|
|
* This software contains source code for use with HDSC
|
||
|
|
* components. This software is licensed by HDSC to be adapted only
|
||
|
|
* for use in systems utilizing HDSC components. HDSC shall not be
|
||
|
|
* responsible for misuse or illegal use of this software for devices not
|
||
|
|
* supported herein. HDSC is providing this software "AS IS" and will
|
||
|
|
* not be responsible for issues arising from incorrect user implementation
|
||
|
|
* of the software.
|
||
|
|
*
|
||
|
|
* Disclaimer:
|
||
|
|
* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
|
||
|
|
* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
|
||
|
|
* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
|
||
|
|
* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
|
||
|
|
* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
|
||
|
|
* WARRANTY OF NONINFRINGEMENT.
|
||
|
|
* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
|
||
|
|
* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
|
||
|
|
* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
|
||
|
|
* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
|
||
|
|
* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
|
||
|
|
* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
|
||
|
|
* SAVINGS OR PROFITS,
|
||
|
|
* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
||
|
|
* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
|
||
|
|
* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
|
||
|
|
* FROM, THE SOFTWARE.
|
||
|
|
*
|
||
|
|
* This software may be replicated in part or whole for the licensed use,
|
||
|
|
* with the restriction that this Disclaimer and Copyright notice must be
|
||
|
|
* included with each copy of this software, whether used in part or whole,
|
||
|
|
* at all times.
|
||
|
|
*/
|
||
|
|
/*****************************************************************************/
|
||
|
|
/** \file i2c.h
|
||
|
|
**
|
||
|
|
** Headerfile for I2C functions
|
||
|
|
**
|
||
|
|
**
|
||
|
|
** History:
|
||
|
|
** - 2018-03-1 CJ First Version
|
||
|
|
**
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef __I2C_H__
|
||
|
|
#define __I2C_H__
|
||
|
|
|
||
|
|
#include "ddl.h"
|
||
|
|
#include "interrupts_hc32l136.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
*******************************************************************************
|
||
|
|
** \defgroup I2cGroup Inter-Integrated Circuit (I2C)
|
||
|
|
**
|
||
|
|
**
|
||
|
|
******************************************************************************/
|
||
|
|
//@{
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
/* Global pre-processor symbols/macros ('#define') */
|
||
|
|
/******************************************************************************/
|
||
|
|
/******************************************************************************
|
||
|
|
* Global type definitions
|
||
|
|
******************************************************************************/
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief I2C通道选择
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef enum en_i2c_channel
|
||
|
|
{
|
||
|
|
I2C0 = 0,///<通道0
|
||
|
|
I2C1 = 1,///<通道1
|
||
|
|
}en_i2c_channel_t;
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief I2C功能配置
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef enum en_i2c_func
|
||
|
|
{
|
||
|
|
I2cMode_En = 0, ///<I2C模块使能
|
||
|
|
I2cStart_En = 1, ///<开始信号
|
||
|
|
I2cStop_En = 2, ///<结束信号
|
||
|
|
I2cAck_En = 3, ///<应答信号
|
||
|
|
I2cHlm_En = 4, ///<高速使能
|
||
|
|
I2cBaud_En = 5, ///<波特率使能
|
||
|
|
}en_i2c_func_t;
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief I2C从机地址配置
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef struct stc_i2c_addr
|
||
|
|
{
|
||
|
|
uint8_t Addr; ///<从机模式地址
|
||
|
|
uint8_t Gc; ///<广播地址使能
|
||
|
|
|
||
|
|
}stc_i2c_addr_t;
|
||
|
|
/**
|
||
|
|
******************************************************************************
|
||
|
|
** \brief I2C初始化配置结构
|
||
|
|
*****************************************************************************/
|
||
|
|
typedef struct stc_i2c_config
|
||
|
|
{
|
||
|
|
en_i2c_func_t enFunc; ///<功能使能
|
||
|
|
uint8_t u8Tm; ///<波特率计数器配置
|
||
|
|
stc_i2c_addr_t stcSlaveAddr;///<从机地址
|
||
|
|
func_ptr_t pfnI2c0Cb; ///<中断服务函数指针
|
||
|
|
func_ptr_t pfnI2c1Cb;
|
||
|
|
boolean_t bTouchNvic; ///<是否使能NVIC
|
||
|
|
}stc_i2c_config_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(en_i2c_channel_t enCh,stc_i2c_config_t *pstcI2CCfg);
|
||
|
|
//I2C模块关闭函数
|
||
|
|
en_result_t I2C_DeInit(en_i2c_channel_t enCh);
|
||
|
|
//设置波特率配置寄存器
|
||
|
|
en_result_t I2C_SetBaud(en_i2c_channel_t enCh,uint8_t u8Tm);
|
||
|
|
//I2C功能设置函数
|
||
|
|
en_result_t I2C_SetFunc(en_i2c_channel_t enCh,en_i2c_func_t enFunc);
|
||
|
|
//I2C功能清除函数
|
||
|
|
en_result_t I2C_ClearFunc(en_i2c_channel_t enCh,en_i2c_func_t enFunc);
|
||
|
|
//获取中断标记SI
|
||
|
|
boolean_t I2C_GetIrq(en_i2c_channel_t enCh);
|
||
|
|
//清除中断标记SI
|
||
|
|
en_result_t I2C_ClearIrq(en_i2c_channel_t enCh);
|
||
|
|
//获取状态
|
||
|
|
uint8_t I2C_GetState(en_i2c_channel_t enCh);
|
||
|
|
//写从机地址函数
|
||
|
|
en_result_t I2C_WriteSlaveAddr(en_i2c_channel_t enCh,stc_i2c_addr_t *pstcSlaveAddr);
|
||
|
|
//主发送函数
|
||
|
|
en_result_t I2C_MasterWriteData(en_i2c_channel_t enCh,uint8_t u8DevAddr,uint8_t u8Addr,uint8_t *pu8Data,uint32_t u32Len);
|
||
|
|
//从发送函数
|
||
|
|
en_result_t I2C_SlaveWriteData(en_i2c_channel_t enCh,uint8_t *pu8Data,uint32_t *u32Len);
|
||
|
|
//字节写函数
|
||
|
|
en_result_t I2C_WriteByte(en_i2c_channel_t enCh,uint8_t u8Data);
|
||
|
|
//主接收函数
|
||
|
|
en_result_t I2C_MasterReadData(en_i2c_channel_t enCh,uint8_t u8DevAddr,uint8_t *pu8Data,uint8_t u8Addr,uint32_t u32Len);
|
||
|
|
//主接收函数
|
||
|
|
en_result_t I2C_SlaveReadData(en_i2c_channel_t enCh,uint8_t *pu8Data,uint32_t *pu32Len);
|
||
|
|
//字节读函数
|
||
|
|
uint8_t I2C_ReadByte(en_i2c_channel_t enCh);
|
||
|
|
|
||
|
|
//@} // I2cGroup
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __I2C_H__ */
|
||
|
|
/******************************************************************************
|
||
|
|
* EOF (not truncated)
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
|