1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/******************************************************************************
* 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"
/**
*******************************************************************************
** \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)
*****************************************************************************/
|
