49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_iwdg.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file contains all the functions prototypes for the
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* IWDG firmware library.
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* SPDX-License-Identifier: Apache-2.0
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*******************************************************************************/
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#ifndef __CH32V20x_IWDG_H
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#define __CH32V20x_IWDG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v20x.h"
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/* IWDG_WriteAccess */
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#define IWDG_WriteAccess_Enable ((uint16_t)0x5555)
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#define IWDG_WriteAccess_Disable ((uint16_t)0x0000)
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/* IWDG_prescaler */
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#define IWDG_Prescaler_4 ((uint8_t)0x00)
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#define IWDG_Prescaler_8 ((uint8_t)0x01)
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#define IWDG_Prescaler_16 ((uint8_t)0x02)
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#define IWDG_Prescaler_32 ((uint8_t)0x03)
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#define IWDG_Prescaler_64 ((uint8_t)0x04)
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#define IWDG_Prescaler_128 ((uint8_t)0x05)
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#define IWDG_Prescaler_256 ((uint8_t)0x06)
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/* IWDG_Flag */
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#define IWDG_FLAG_PVU ((uint16_t)0x0001)
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#define IWDG_FLAG_RVU ((uint16_t)0x0002)
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void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess);
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void IWDG_SetPrescaler(uint8_t IWDG_Prescaler);
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void IWDG_SetReload(uint16_t Reload);
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void IWDG_ReloadCounter(void);
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void IWDG_Enable(void);
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FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG);
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#ifdef __cplusplus
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}
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#endif
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#endif
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