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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/******************************************************************************
* 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 lvd.h
**
** Headerfile for Low Voltage Detector functions
**
** - 2017-06-28 Alex First Version
**
******************************************************************************/
#ifndef __LVD_H__
#define __LVD_H__
/******************************************************************************
* Include files
******************************************************************************/
#include "ddl.h"
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
/**
******************************************************************************
** \defgroup LvdGroup Low Voltage Detector (LVD)
**
******************************************************************************/
//@{
/******************************************************************************
* Global type definitions
******************************************************************************/
/**
******************************************************************************
** \brief LVD监测电压源选择
**
** \note
******************************************************************************/
typedef enum en_lvd_input_src
{
LvdInputSrcMskVCC = 0u<<2, ///< Vcc
LvdInputSrcMskPC13 = 1u<<2, ///< PC13
LvdInputSrcMskPB08 = 2u<<2, ///< PB08
LvdInputSrcMskPB07 = 3u<<2, ///< PB07
}en_lvd_input_src_t;
/**
******************************************************************************
** \brief LVD阈值电压选择
**
** \note
******************************************************************************/
typedef enum en_lvd_threshold
{
LvdMskTH1_8V = 0u<<4, ///< 1.8V
LvdMskTH1_9V = 1u<<4, ///< 1.9V
LvdMskTH2_0V = 2u<<4, ///< 2.0V
LvdMskTH2_1V = 3u<<4, ///< 2.1V
LvdMskTH2_2V = 4u<<4, ///< 2.2V
LvdMskTH2_3V = 5u<<4, ///< 2.3V
LvdMskTH2_4V = 6u<<4, ///< 2.4V
LvdMskTH2_5V = 7u<<4, ///< 2.5V
LvdMskTH2_6V = 8u<<4, ///< 2.6V
LvdMskTH2_7V = 9u<<4, ///< 2.7V
LvdMskTH2_8V = 10u<<4, ///< 2.8V
LvdMskTH2_9V = 11u<<4, ///< 2.9V
LvdMskTH3_0V = 12u<<4, ///< 3.0V
LvdMskTH3_1V = 13u<<4, ///< 3.1V
LvdMskTH3_2V = 14u<<4, ///< 3.2V
LvdMskTH3_3V = 15u<<4, ///< 3.3V
}en_lvd_threshold_t;
/**
******************************************************************************
** \brief LVD输出滤波时间
**
** \note
******************************************************************************/
typedef enum en_lvd_filter_time
{
LvdFilterMsk7us = 0u<<9, ///< 7us
LvdFilterMsk14us = 1u<<9, ///< 14us
LvdFilterMsk28us = 2u<<9, ///< 28us
LvdFilterMsk112us = 3u<<9, ///< 112us
LvdFilterMsk450us = 4u<<9, ///< 450us
LvdFilterMsk1_8ms = 5u<<9, ///< 1.8ms
LvdFilterMsk7_2ms = 6u<<9, ///< 7.3ms
LvdFilterMsk28_8ms = 7u<<9, ///< 28.8ms
}en_lvd_filter_time_t;
/**
******************************************************************************
** \brief LVD中断触发方式
**
** \note
******************************************************************************/
typedef enum en_lvd_irq_type
{
LvdIrqMskRiseFall = 3u<<12, ///< 上升/下降沿触发
LvdIrqMskHigh = 1u<<14, ///< 高电平触发
LvdIrqMskRise = 1u<<13, ///< 上升沿触发
LvdIrqMskFall = 1u<<12, ///< 下降沿触发
}en_lvd_irq_type_t;
/**
******************************************************************************
** \brief LVD触发动作选择
**
** \note
******************************************************************************/
typedef enum en_lvd_act
{
LvdActMskReset = 1u<<1, ///< 系统复位
LvdActMskInt = 0u, ///< NVIC中断
}en_lvd_act_t;
/**
******************************************************************************
** \brief LVD数字滤波使能配置
**
** \note
******************************************************************************/
typedef enum en_lvd_filter
{
LvdFilterMskEnable = 1u<<8, ///< 数字滤波使能
LvdFilterMskDisable = 0u, ///< 数字滤波禁止
}en_lvd_filter_t;
/**
******************************************************************************
** \brief LVD配置
** \note
******************************************************************************/
typedef struct stc_lvd_cfg
{
en_lvd_act_t enAct; ///< LVD触发动作
en_lvd_input_src_t enInputSrc; ///< LVD输入电压源
en_lvd_threshold_t enThreshold; ///< LVD监测电压
en_lvd_filter_t enFilter; ///< 是否使用输出滤波
en_lvd_filter_time_t enFilterTime; ///< 输出滤波时间
en_lvd_irq_type_t enIrqType; ///< 中断触发方式
}stc_lvd_cfg_t;
/******************************************************************************
* Global definitions
******************************************************************************/
/******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/******************************************************************************
* Global variable definitions ('extern')
******************************************************************************/
/******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
//irq enable/disable
void Lvd_EnableIrq(void);
void Lvd_DisableIrq(void);
// irq function
void Lvd_ClearIrq(void);
boolean_t Lvd_GetIrqStat(void);
// fliter function
boolean_t Lvd_GetFilterResult(void);
//init/deinit function
void Lvd_Init(stc_lvd_cfg_t *pstcCfg);
//LVD function enable/disable
void Lvd_Enable(void);
void Lvd_Disable(void);
//@} // LvdGroup
#ifdef __cplusplus
}
#endif
#endif /* __LVD_H__ */
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
