Statistics
| Branch: | Tag: | Revision:

amiro-blt / Target / Modules / PowerManagement_1-1 / Boot / lib / stdperiphlib / STM32F4xx_StdPeriph_Driver / inc / stm32f4xx_iwdg.h @ 367c0652

History | View | Annotate | Download (4.22 KB)

1 69661903 Thomas Schöpping
/**
2
  ******************************************************************************
3
  * @file    stm32f4xx_iwdg.h
4
  * @author  MCD Application Team
5
  * @version V1.1.0
6
  * @date    11-January-2013
7
  * @brief   This file contains all the functions prototypes for the IWDG 
8
  *          firmware library.
9
  ******************************************************************************
10
  * @attention
11
  *
12
  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
13
  *
14
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
15
  * You may not use this file except in compliance with the License.
16
  * You may obtain a copy of the License at:
17
  *
18
  *        http://www.st.com/software_license_agreement_liberty_v2
19
  *
20
  * Unless required by applicable law or agreed to in writing, software 
21
  * distributed under the License is distributed on an "AS IS" BASIS, 
22
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
23
  * See the License for the specific language governing permissions and
24
  * limitations under the License.
25
  *
26
  ******************************************************************************
27
  */
28
29
/* Define to prevent recursive inclusion -------------------------------------*/
30
#ifndef __STM32F4xx_IWDG_H
31
#define __STM32F4xx_IWDG_H
32
33
#ifdef __cplusplus
34
 extern "C" {
35
#endif
36
37
/* Includes ------------------------------------------------------------------*/
38
#include "stm32f4xx.h"
39
40
/** @addtogroup STM32F4xx_StdPeriph_Driver
41
  * @{
42
  */
43
44
/** @addtogroup IWDG
45
  * @{
46
  */
47
48
/* Exported types ------------------------------------------------------------*/
49
/* Exported constants --------------------------------------------------------*/
50
51
/** @defgroup IWDG_Exported_Constants
52
  * @{
53
  */
54
  
55
/** @defgroup IWDG_WriteAccess
56
  * @{
57
  */
58
#define IWDG_WriteAccess_Enable     ((uint16_t)0x5555)
59
#define IWDG_WriteAccess_Disable    ((uint16_t)0x0000)
60
#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
61
                                      ((ACCESS) == IWDG_WriteAccess_Disable))
62
/**
63
  * @}
64
  */
65
66
/** @defgroup IWDG_prescaler 
67
  * @{
68
  */
69
#define IWDG_Prescaler_4            ((uint8_t)0x00)
70
#define IWDG_Prescaler_8            ((uint8_t)0x01)
71
#define IWDG_Prescaler_16           ((uint8_t)0x02)
72
#define IWDG_Prescaler_32           ((uint8_t)0x03)
73
#define IWDG_Prescaler_64           ((uint8_t)0x04)
74
#define IWDG_Prescaler_128          ((uint8_t)0x05)
75
#define IWDG_Prescaler_256          ((uint8_t)0x06)
76
#define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4)  || \
77
                                      ((PRESCALER) == IWDG_Prescaler_8)  || \
78
                                      ((PRESCALER) == IWDG_Prescaler_16) || \
79
                                      ((PRESCALER) == IWDG_Prescaler_32) || \
80
                                      ((PRESCALER) == IWDG_Prescaler_64) || \
81
                                      ((PRESCALER) == IWDG_Prescaler_128)|| \
82
                                      ((PRESCALER) == IWDG_Prescaler_256))
83
/**
84
  * @}
85
  */
86
87
/** @defgroup IWDG_Flag 
88
  * @{
89
  */
90
#define IWDG_FLAG_PVU               ((uint16_t)0x0001)
91
#define IWDG_FLAG_RVU               ((uint16_t)0x0002)
92
#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))
93
#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
94
/**
95
  * @}
96
  */
97
98
/**
99
  * @}
100
  */
101
102
/* Exported macro ------------------------------------------------------------*/
103
/* Exported functions --------------------------------------------------------*/
104
105
/* Prescaler and Counter configuration functions ******************************/
106
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
107
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
108
void IWDG_SetReload(uint16_t Reload);
109
void IWDG_ReloadCounter(void);
110
111
/* IWDG activation function ***************************************************/
112
void IWDG_Enable(void);
113
114
/* Flag management function ***************************************************/
115
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
116
117
#ifdef __cplusplus
118
}
119
#endif
120
121
#endif /* __STM32F4xx_IWDG_H */
122
123
/**
124
  * @}
125
  */
126
127
/**
128
  * @}
129
  */
130
131
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/