40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/******************************************************************************
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* @file iwdg.c
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* @brief 独立看门狗（HAL 封装）
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* @author cyWu <1917507415@qq.com>
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* @date 2026.08.18
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* @version V1.1.0
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* @history
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* - V1.1.0, 2026.08.18, cyWu, 改用 HAL_IWDG，参数见 Shared/iwdg_config.h
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* - V1.0.0, 2026.08.18, cyWu, 首次发布（寄存器版）
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******************************************************************************/
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#include "iwdg.h"
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#include "main.h"
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#include "iwdg_config.h"
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static IWDG_HandleTypeDef s_hiwdg;
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/**
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* @brief 初始化/接管 IWDG（Bootloader 可能已启动，HAL 调用幂等）
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*/
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void iwdg_init(void)
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{
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s_hiwdg.Instance = IWDG;
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s_hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
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s_hiwdg.Init.Reload = IWDG_RELOAD_VALUE;
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if (HAL_IWDG_Init(&s_hiwdg) != HAL_OK)
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{
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Error_Handler(__FILE__, __LINE__);
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}
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}
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/**
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* @brief 喂狗，主循环周期调用（间隔须小于超时时间）
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*/
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void iwdg_feed(void)
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{
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(void)HAL_IWDG_Refresh(&s_hiwdg);
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}
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