82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
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/******************************************************************************
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* 版权所有：苏州领慧立芯科技有限公司
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* Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd.
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******************************************************************************
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* All rights reserved. Distributed under MIT license.
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* The file is encoded in UTF-8 without signature.
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* @file lh32m0g30x_iwdg.h
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* @version 2025-09-08
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******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __LH32M0G3x_IWDG_H
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#define __LH32M0G3x_IWDG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "lh32m0xx_lhl.h"
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/* Public Definition ---------------------------------------------------------*/
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/* KR register bit mask */
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#define KR_KEY_RELOAD ((uint16_t)0xAAAA)
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#define KR_KEY_ENABLE ((uint16_t)0xCCCC)
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#define KR_KEY_START ((uint16_t)0xAAAA)
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#define KR_KEY_UNLOCK ((uint16_t)0x5555)
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/** @defgroup IWDG_prescaler
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* @{
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*/
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typedef enum {
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IWDG_PRESCALER_4 = ((uint8_t)0x00),
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IWDG_PRESCALER_8 = ((uint8_t)0x01),
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IWDG_PRESCALER_16 = ((uint8_t)0x02),
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IWDG_PRESCALER_32 = ((uint8_t)0x03),
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IWDG_PRESCALER_64 = ((uint8_t)0x04),
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IWDG_PRESCALER_128 = ((uint8_t)0x05),
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IWDG_PRESCALER_256 = ((uint8_t)0x06),
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} IWDG_PRESCALER_t;
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/**
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* @}
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*/
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/** @defgroup IWDG_Flag
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* @{
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*/
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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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#define IS_IWDG_FLAG(FLAG) (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))
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#define IS_IWDG_RELOAD(RELOAD) ((RELOAD) <= 0xFFF)
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/* Prescaler and Counter configuration functions ******************************/
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LHL_StatusTypeDef LHL_IWDG_SetPrescaler(IWDG_PRESCALER_t IWDG_Prescaler, uint32_t Timeout);
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LHL_StatusTypeDef LHL_IWDG_SetReload(uint16_t Reload, uint32_t Timeout);
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LHL_StatusTypeDef LHL_IWDG_Unlock(void);
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void LHL_IWDG_Lock(void);
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/* IWDG activation function ***************************************************/
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void LHL_IWDG_Reload(void);
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LHL_StatusTypeDef LHL_IWDG_Stop(void);
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LHL_StatusTypeDef LHL_IWDG_Resume(void);
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LHL_StatusTypeDef LHL_IWDG_Start(void);
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/* Flag management function ***************************************************/
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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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/*********************************End of File**********************************/
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