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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32f20x_iwdg.h
* Author : WCH
* Version : V1.0.0
* Date : 2021/08/08
* Description : This file contains all the functions prototypes for the
* IWDG firmware library.
*******************************************************************************/
#ifndef __CH32F20x_IWDG_H
#define __CH32F20x_IWDG_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ch32f20x.h"
/* IWDG_WriteAccess */
#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
/* 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)
/* IWDG_Flag */
#define IWDG_FLAG_PVU ((uint16_t)0x0001)
#define IWDG_FLAG_RVU ((uint16_t)0x0002)
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_Enable(void);
FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
#ifdef __cplusplus
}
#endif
#endif
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