stm32h7xx_hal_iwdg.h File Reference

Header file of IWDG HAL module. More...

#include "stm32h7xx_hal_def.h"

Go to the source code of this file.

Data Structures
struct	IWDG_InitTypeDef
	IWDG Init structure definition. More...
struct	IWDG_HandleTypeDef
	IWDG Handle Structure definition. More...

Macros
#define	IWDG_PRESCALER_4   0x00000000u
#define	IWDG_PRESCALER_8   IWDG_PR_PR_0
#define	IWDG_PRESCALER_16   IWDG_PR_PR_1
#define	IWDG_PRESCALER_32   (IWDG_PR_PR_1 | IWDG_PR_PR_0)
#define	IWDG_PRESCALER_64   IWDG_PR_PR_2
#define	IWDG_PRESCALER_128   (IWDG_PR_PR_2 | IWDG_PR_PR_0)
#define	IWDG_PRESCALER_256   (IWDG_PR_PR_2 | IWDG_PR_PR_1)
#define	IWDG_WINDOW_DISABLE   IWDG_WINR_WIN
#define	__HAL_IWDG_START(__HANDLE__)   WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE)
	Enable the IWDG peripheral.
#define	__HAL_IWDG_RELOAD_COUNTER(__HANDLE__)   WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD)
	Reload IWDG counter with value defined in the reload register (write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers disabled).
#define	IWDG_KEY_RELOAD   0x0000AAAAu
	IWDG Key Register BitMask.
#define	IWDG_KEY_ENABLE   0x0000CCCCu
#define	IWDG_KEY_WRITE_ACCESS_ENABLE   0x00005555u
#define	IWDG_KEY_WRITE_ACCESS_DISABLE   0x00000000u
#define	IWDG_ENABLE_WRITE_ACCESS(__HANDLE__)   WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE)
	Enable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers.
#define	IWDG_DISABLE_WRITE_ACCESS(__HANDLE__)   WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE)
	Disable write access to IWDG_PR, IWDG_RLR and IWDG_WINR registers.
#define	IS_IWDG_PRESCALER(__PRESCALER__)
	Check IWDG prescaler value.
#define	IS_IWDG_RELOAD(__RELOAD__)   ((__RELOAD__) <= IWDG_RLR_RL)
	Check IWDG reload value.
#define	IS_IWDG_WINDOW(__WINDOW__)   ((__WINDOW__) <= IWDG_WINR_WIN)
	Check IWDG window value.

Functions
HAL_StatusTypeDef	HAL_IWDG_Init (IWDG_HandleTypeDef *hiwdg)
HAL_StatusTypeDef	HAL_IWDG_Refresh (IWDG_HandleTypeDef *hiwdg)

Detailed Description

Header file of IWDG HAL module.

Author

MCD Application Team

Attention

Copyright (c) 2017 STMicroelectronics. All rights reserved.

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.