amiro-blt / Target / Demo / ARMCM4_STM32F405_Power_Management_GCC / Boot / lib / stdperiphlib / STM32F4xx_StdPeriph_Driver / inc / stm32f4xx_iwdg.h @ 69661903
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| 1 | 69661903 | Thomas Schöpping | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_iwdg.h
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.1.0
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| 6 | * @date 11-January-2013
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| 7 | * @brief This file contains all the functions prototypes for the IWDG
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| 8 | * firmware library.
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| 9 | ******************************************************************************
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| 10 | * @attention
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| 11 | *
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| 12 | * <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
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| 13 | *
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| 14 | * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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| 15 | * You may not use this file except in compliance with the License.
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| 16 | * You may obtain a copy of the License at:
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| 17 | *
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| 18 | * http://www.st.com/software_license_agreement_liberty_v2
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| 19 | *
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| 20 | * Unless required by applicable law or agreed to in writing, software
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| 21 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 22 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 23 | * See the License for the specific language governing permissions and
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| 24 | * limitations under the License.
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| 25 | *
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| 26 | ******************************************************************************
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| 27 | */
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| 28 | |||
| 29 | /* Define to prevent recursive inclusion -------------------------------------*/
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| 30 | #ifndef __STM32F4xx_IWDG_H
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| 31 | #define __STM32F4xx_IWDG_H
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| 32 | |||
| 33 | #ifdef __cplusplus
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| 34 | extern "C" { |
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| 35 | #endif
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| 36 | |||
| 37 | /* Includes ------------------------------------------------------------------*/
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| 38 | #include "stm32f4xx.h" |
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| 39 | |||
| 40 | /** @addtogroup STM32F4xx_StdPeriph_Driver
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| 41 | * @{
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| 42 | */
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| 43 | |||
| 44 | /** @addtogroup IWDG
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| 45 | * @{
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| 46 | */
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| 47 | |||
| 48 | /* Exported types ------------------------------------------------------------*/
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| 49 | /* Exported constants --------------------------------------------------------*/
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| 50 | |||
| 51 | /** @defgroup IWDG_Exported_Constants
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| 52 | * @{
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| 53 | */
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| 54 | |||
| 55 | /** @defgroup IWDG_WriteAccess
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| 56 | * @{
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| 57 | */
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| 58 | #define IWDG_WriteAccess_Enable ((uint16_t)0x5555) |
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| 59 | #define IWDG_WriteAccess_Disable ((uint16_t)0x0000) |
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| 60 | #define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \
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| 61 | ((ACCESS) == IWDG_WriteAccess_Disable)) |
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| 62 | /**
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| 63 | * @}
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| 64 | */
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| 65 | |||
| 66 | /** @defgroup IWDG_prescaler
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| 67 | * @{
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| 68 | */
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| 69 | #define IWDG_Prescaler_4 ((uint8_t)0x00) |
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| 70 | #define IWDG_Prescaler_8 ((uint8_t)0x01) |
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| 71 | #define IWDG_Prescaler_16 ((uint8_t)0x02) |
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| 72 | #define IWDG_Prescaler_32 ((uint8_t)0x03) |
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| 73 | #define IWDG_Prescaler_64 ((uint8_t)0x04) |
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| 74 | #define IWDG_Prescaler_128 ((uint8_t)0x05) |
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| 75 | #define IWDG_Prescaler_256 ((uint8_t)0x06) |
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| 76 | #define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \
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| 77 | ((PRESCALER) == IWDG_Prescaler_8) || \ |
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| 78 | ((PRESCALER) == IWDG_Prescaler_16) || \ |
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| 79 | ((PRESCALER) == IWDG_Prescaler_32) || \ |
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| 80 | ((PRESCALER) == IWDG_Prescaler_64) || \ |
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| 81 | ((PRESCALER) == IWDG_Prescaler_128)|| \ |
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| 82 | ((PRESCALER) == IWDG_Prescaler_256)) |
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| 83 | /**
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| 84 | * @}
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| 85 | */
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| 86 | |||
| 87 | /** @defgroup IWDG_Flag
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| 88 | * @{
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| 89 | */
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| 90 | #define IWDG_FLAG_PVU ((uint16_t)0x0001) |
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| 91 | #define IWDG_FLAG_RVU ((uint16_t)0x0002) |
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| 92 | #define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))
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| 93 | #define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF) |
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| 94 | /**
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| 95 | * @}
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| 96 | */
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| 97 | |||
| 98 | /**
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| 99 | * @}
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| 100 | */
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| 101 | |||
| 102 | /* Exported macro ------------------------------------------------------------*/
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| 103 | /* Exported functions --------------------------------------------------------*/
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| 104 | |||
| 105 | /* Prescaler and Counter configuration functions ******************************/
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| 106 | void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
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| 107 | void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
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| 108 | void IWDG_SetReload(uint16_t Reload);
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| 109 | void IWDG_ReloadCounter(void); |
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| 110 | |||
| 111 | /* IWDG activation function ***************************************************/
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| 112 | void IWDG_Enable(void); |
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| 113 | |||
| 114 | /* Flag management function ***************************************************/
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| 115 | FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG); |
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| 116 | |||
| 117 | #ifdef __cplusplus
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| 118 | } |
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| 119 | #endif
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| 120 | |||
| 121 | #endif /* __STM32F4xx_IWDG_H */ |
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| 122 | |||
| 123 | /**
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| 124 | * @}
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| 125 | */
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| 126 | |||
| 127 | /**
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| 128 | * @}
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| 129 | */
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| 130 | |||
| 131 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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