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
|
/*******************************************************************************
* Copyright (C) 2018, 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 pcnt.h
**
** Headerfile for PCNT functions
** @link PCNT Group Some description @endlink
**
** History:
** - 2018-04-15 Devi First Version
**
******************************************************************************/
#ifndef __PCNT_H__
#define __PCNT_H__
/*******************************************************************************
* Include files
******************************************************************************/
#include "ddl.h"
#include "interrupts_hc32l136.h"
#ifdef __cplusplus
extern "C"
{
#endif
/**
******************************************************************************
** \defgroup PCNTGroup (PCNT)
**
******************************************************************************/
//@{
/**
*******************************************************************************
** function prototypes.
******************************************************************************/
/**
*******************************************************************************
** \brief PCNT S1通道极性选择
** \note
******************************************************************************/
typedef enum en_pcnt_s1sel
{
S1P_Noinvert = 0u, ///<<S1通道极性不取反
S1P_Invert = 1u, ///<<S1通道极性取反
}en_pcnt_s1sel_t;
/**
*******************************************************************************
** \brief PCNT S0通道极性选择
** \note
******************************************************************************/
typedef enum en_pcnt_s0sel
{
S0P_Noinvert = 0u, ///<<S0通道极性不取反
S0P_Invert = 1u, ///<<S0通道极性取反
}en_pcnt_s0sel_t;
/**
*******************************************************************************
** \brief PCNT 计数方向选择
** \note
******************************************************************************/
typedef enum en_pcnt_direcsel
{
Direct_Add = 0u, ///<<加计数
Direct_Sub = 1u, ///<<减计数
}en_pcnt_direcsel_t;
/**
*******************************************************************************
** \brief PCNT 计数时钟选择
** \note
******************************************************************************/
typedef enum en_pcnt_clksel
{
CLK_Pclk = 1u, ///<<PCLK
CLK_Xtl = 2u, ///<<XTL
CLK_Rcl = 3u, ///<<RCL
}en_pcnt_clksel_t;
/**
*******************************************************************************
** \brief PCNT 脉冲计数模式选择
** \note
******************************************************************************/
typedef enum en_pcnt_modesel
{
Single_Mode = 1u, ///<<单通道脉冲计数模式
Special_Mode = 2u, ///<<双通道非正交脉冲计数模式
Double_Mode = 3u, ///<<双通道正交脉冲计数模式
}en_pcnt_modesel_t;
/**
******************************************************************************
** \brief PCNT 状态
*****************************************************************************/
typedef enum en_pcnt_status
{
PCNT_S1E = 0x80, ///<S1通道脉冲解码错误
PCNT_S0E = 0x40, ///<S0通道脉冲解码错误
PCNT_BB = 0x20, ///<脉冲解码错误
PCNT_FE = 0x10, ///<采样周期脉冲解码错误
PCNT_DIR = 0x08, ///<反向改变中断
PCNT_TO = 0x04, ///<超时中断标识
PCNT_OV = 0x02, ///<上溢中断标识
PCNT_UF = 0x01, ///<下溢中断标识
}en_pcnt_status_t;
/**
******************************************************************************
** \brief PCNT 整体配置结构体
*****************************************************************************/
typedef struct stc_pcnt_config
{
en_pcnt_s1sel_t bS1Sel; ///< S1通道极性选择
en_pcnt_s0sel_t bS0Sel; ///< S0通道极性选择
en_pcnt_direcsel_t u8Direc; ///< 计数方向选择
en_pcnt_clksel_t u8Clk; ///< 计数时钟选择
en_pcnt_modesel_t u8Mode; ///< 脉冲计数模式选择
boolean_t bFLTEn; ///< 滤波控制使能
uint8_t u8FLTDep; ///< 滤波阀值
uint8_t u8FLTClk; ///< 滤波时钟
boolean_t bTOEn; ///< 超时使能
uint16_t u16TODep; ///< 超时阀值
uint8_t u8IrqStatus; ///< 中断方式
boolean_t bIrqEn; ///< 中断使能
func_ptr_t pfnIrqCb; ///< 中断回调函数
}stc_pcnt_config_t;
//PCNT 中断
void Pcnt_IRQHandler(void);
/******************************************************************************
* Global variable declarations ('extern', definition in C source)
******************************************************************************/
/******************************************************************************
* Global function prototypes (definition in C source)
******************************************************************************/
///< PCNT初始化
en_result_t PCNT_Init(stc_pcnt_config_t* pstcPcntConfig);
///< PCNT去初始化
void PCNT_DeInit(void);
///< PCNT 参数设置
en_result_t PCNT_Parameter(uint8_t start,uint8_t end);
///< PCNT 读取PCNT 方向
en_pcnt_direcsel_t PCNT_Direction(void);
///< PCNT 读取PCNT 计数值
uint16_t PCNT_Count(void);
///< PCNT 读取PCNT 溢出值
uint16_t PCNT_TopCount(void);
///< PCNT 设置PCNT
void PCNT_Run(boolean_t work);
///< PCNT获取状态
boolean_t PCNT_GetStatus(en_pcnt_status_t enStatus);
///< PCNT清除状态
void PCNT_ClrStatus(en_pcnt_status_t enStatus);
///< PCNT设置中断
void PCNT_SetIrqStatus(en_pcnt_status_t enStatus);
//@} // PCNT Group
#ifdef __cplusplus
#endif
#endif /* __PCNT_H__ */
/*******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
