rt-thread-official/bsp/hk32/libraries/HK32F0xx_StdPeriph_Driver/inc/hk32f0xx_iwdg.h

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2021-08-21 01:49:44 +08:00
/**
******************************************************************************
* @file hk32f0xx_iwdg.h
* @version V1.0.1
* @date 2019-08-15
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __HK32F0XX_IWDG_H
#define __HK32F0XX_IWDG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "hk32f0xx.h"
/** @addtogroup HK32F0xx_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 IWDG_SR_PVU
#define IWDG_FLAG_RVU IWDG_SR_RVU
#define IWDG_FLAG_WVU IWDG_SR_WVU
#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU) || \
((FLAG) == IWDG_FLAG_WVU))
#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
#define IS_IWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 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);
void IWDG_SetWindowValue(uint16_t WindowValue);
/* IWDG activation function ***************************************************/
void IWDG_Enable(void);
/* Flag management function ***************************************************/
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
#ifdef __cplusplus
}
#endif
#endif /* __HK32F0XX_IWDG_H */