stm32f4xx_iwdg.h
131 lines
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| text/x-c
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CLexer
r71 | /** | |||
****************************************************************************** | ||||
* @file stm32f4xx_iwdg.h | ||||
* @author MCD Application Team | ||||
* @version V1.0.2 | ||||
* @date 05-March-2012 | ||||
* @brief This file contains all the functions prototypes for the IWDG | ||||
* firmware library. | ||||
****************************************************************************** | ||||
* @attention | ||||
* | ||||
* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> | ||||
* | ||||
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); | ||||
* You may not use this file except in compliance with the License. | ||||
* You may obtain a copy of the License at: | ||||
* | ||||
* http://www.st.com/software_license_agreement_liberty_v2 | ||||
* | ||||
* Unless required by applicable law or agreed to in writing, software | ||||
* distributed under the License is distributed on an "AS IS" BASIS, | ||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||||
* See the License for the specific language governing permissions and | ||||
* limitations under the License. | ||||
* | ||||
****************************************************************************** | ||||
*/ | ||||
/* Define to prevent recursive inclusion -------------------------------------*/ | ||||
#ifndef __STM32F4xx_IWDG_H | ||||
#define __STM32F4xx_IWDG_H | ||||
#ifdef __cplusplus | ||||
extern "C" { | ||||
#endif | ||||
/* Includes ------------------------------------------------------------------*/ | ||||
#include "stm32f4xx.h" | ||||
/** @addtogroup STM32F4xx_StdPeriph_Driver | ||||
* @{ | ||||
*/ | ||||
/** @addtogroup IWDG | ||||
* @{ | ||||
*/ | ||||
/* Exported types ------------------------------------------------------------*/ | ||||
/* Exported constants --------------------------------------------------------*/ | ||||
/** @defgroup IWDG_Exported_Constants | ||||
* @{ | ||||
*/ | ||||
/** @defgroup IWDG_WriteAccess | ||||
* @{ | ||||
*/ | ||||
#define IWDG_WriteAccess_Enable ((uint16_t)0x5555) | ||||
#define IWDG_WriteAccess_Disable ((uint16_t)0x0000) | ||||
#define IS_IWDG_WRITE_ACCESS(ACCESS) (((ACCESS) == IWDG_WriteAccess_Enable) || \ | ||||
((ACCESS) == IWDG_WriteAccess_Disable)) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @defgroup IWDG_prescaler | ||||
* @{ | ||||
*/ | ||||
#define IWDG_Prescaler_4 ((uint8_t)0x00) | ||||
#define IWDG_Prescaler_8 ((uint8_t)0x01) | ||||
#define IWDG_Prescaler_16 ((uint8_t)0x02) | ||||
#define IWDG_Prescaler_32 ((uint8_t)0x03) | ||||
#define IWDG_Prescaler_64 ((uint8_t)0x04) | ||||
#define IWDG_Prescaler_128 ((uint8_t)0x05) | ||||
#define IWDG_Prescaler_256 ((uint8_t)0x06) | ||||
#define IS_IWDG_PRESCALER(PRESCALER) (((PRESCALER) == IWDG_Prescaler_4) || \ | ||||
((PRESCALER) == IWDG_Prescaler_8) || \ | ||||
((PRESCALER) == IWDG_Prescaler_16) || \ | ||||
((PRESCALER) == IWDG_Prescaler_32) || \ | ||||
((PRESCALER) == IWDG_Prescaler_64) || \ | ||||
((PRESCALER) == IWDG_Prescaler_128)|| \ | ||||
((PRESCALER) == IWDG_Prescaler_256)) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** @defgroup IWDG_Flag | ||||
* @{ | ||||
*/ | ||||
#define IWDG_FLAG_PVU ((uint16_t)0x0001) | ||||
#define IWDG_FLAG_RVU ((uint16_t)0x0002) | ||||
#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU)) | ||||
#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF) | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/* Exported macro ------------------------------------------------------------*/ | ||||
/* Exported functions --------------------------------------------------------*/ | ||||
/* Prescaler and Counter configuration functions ******************************/ | ||||
void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess); | ||||
void IWDG_SetPrescaler(uint8_t IWDG_Prescaler); | ||||
void IWDG_SetReload(uint16_t Reload); | ||||
void IWDG_ReloadCounter(void); | ||||
/* IWDG activation function ***************************************************/ | ||||
void IWDG_Enable(void); | ||||
/* Flag management function ***************************************************/ | ||||
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG); | ||||
#ifdef __cplusplus | ||||
} | ||||
#endif | ||||
#endif /* __STM32F4xx_IWDG_H */ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/** | ||||
* @} | ||||
*/ | ||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | ||||