112 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			112 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /**
 | ||
|  |   ****************************************************************************** | ||
|  |   * @file    stm32f4xx_wwdg.h | ||
|  |   * @author  MCD Application Team | ||
|  |   * @version V1.4.0 | ||
|  |   * @date    04-August-2014 | ||
|  |   * @brief   This file contains all the functions prototypes for the WWDG firmware | ||
|  |   *          library. | ||
|  |   ****************************************************************************** | ||
|  |   * @attention | ||
|  |   * | ||
|  |   * <h2><center>© COPYRIGHT 2014 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_WWDG_H
 | ||
|  | #define __STM32F4xx_WWDG_H
 | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  |  extern "C" { | ||
|  | #endif
 | ||
|  | 
 | ||
|  | /* Includes ------------------------------------------------------------------*/ | ||
|  | #include "stm32f4xx.h"
 | ||
|  | 
 | ||
|  | /** @addtogroup STM32F4xx_StdPeriph_Driver
 | ||
|  |   * @{ | ||
|  |   */ | ||
|  | 
 | ||
|  | /** @addtogroup WWDG
 | ||
|  |   * @{ | ||
|  |   */  | ||
|  | 
 | ||
|  | /* Exported types ------------------------------------------------------------*/ | ||
|  | /* Exported constants --------------------------------------------------------*/ | ||
|  | 
 | ||
|  | /** @defgroup WWDG_Exported_Constants
 | ||
|  |   * @{ | ||
|  |   */  | ||
|  |    | ||
|  | /** @defgroup WWDG_Prescaler 
 | ||
|  |   * @{ | ||
|  |   */ | ||
|  |    | ||
|  | #define WWDG_Prescaler_1    ((uint32_t)0x00000000)
 | ||
|  | #define WWDG_Prescaler_2    ((uint32_t)0x00000080)
 | ||
|  | #define WWDG_Prescaler_4    ((uint32_t)0x00000100)
 | ||
|  | #define WWDG_Prescaler_8    ((uint32_t)0x00000180)
 | ||
|  | #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
 | ||
|  |                                       ((PRESCALER) == WWDG_Prescaler_2) || \ | ||
|  |                                       ((PRESCALER) == WWDG_Prescaler_4) || \ | ||
|  |                                       ((PRESCALER) == WWDG_Prescaler_8)) | ||
|  | #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
 | ||
|  | #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
 | ||
|  | 
 | ||
|  | /**
 | ||
|  |   * @} | ||
|  |   */  | ||
|  | 
 | ||
|  | /**
 | ||
|  |   * @} | ||
|  |   */  | ||
|  | 
 | ||
|  | /* Exported macro ------------------------------------------------------------*/ | ||
|  | /* Exported functions --------------------------------------------------------*/ | ||
|  |    | ||
|  | /*  Function used to set the WWDG configuration to the default reset state ****/   | ||
|  | void WWDG_DeInit(void); | ||
|  | 
 | ||
|  | /* Prescaler, Refresh window and Counter configuration functions **************/ | ||
|  | void WWDG_SetPrescaler(uint32_t WWDG_Prescaler); | ||
|  | void WWDG_SetWindowValue(uint8_t WindowValue); | ||
|  | void WWDG_EnableIT(void); | ||
|  | void WWDG_SetCounter(uint8_t Counter); | ||
|  | 
 | ||
|  | /* WWDG activation function ***************************************************/ | ||
|  | void WWDG_Enable(uint8_t Counter); | ||
|  | 
 | ||
|  | /* Interrupts and flags management functions **********************************/ | ||
|  | FlagStatus WWDG_GetFlagStatus(void); | ||
|  | void WWDG_ClearFlag(void); | ||
|  | 
 | ||
|  | #ifdef __cplusplus
 | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #endif /* __STM32F4xx_WWDG_H */
 | ||
|  | 
 | ||
|  | /**
 | ||
|  |   * @} | ||
|  |   */  | ||
|  | 
 | ||
|  | /**
 | ||
|  |   * @} | ||
|  |   */  | ||
|  | 
 | ||
|  | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |