| /** | |
| ****************************************************************************** | |
| * @file stm32f4xx_iwdg.h | |
| * @author MCD Application Team | |
| * @version V1.0.0 | |
| * @date 30-September-2011 | |
| * @brief This file contains all the functions prototypes for the IWDG | |
| * firmware library. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS | |
| * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE | |
| * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY | |
| * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING | |
| * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE | |
| * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. | |
| * | |
| * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> | |
| ****************************************************************************** | |
| */ | |
| /* 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 2011 STMicroelectronics *****END OF FILE****/ |