37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/***
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* @Author: mbw
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* @Date: 2024-12-15 16:29:58
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* @LastEditors: mbw && 1600520629@qq.com
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* @LastEditTime: 2024-12-15 16:40:26
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* @FilePath: \ble_-tyq_-bjq_-ch584-m\bsp\inc\bsp_iwdg.h
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* @Description:
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* @
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* @Copyright (c) 2024 by ${git_name_email}, All Rights Reserved.
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*/
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#ifndef __BSP_IWDG_H__
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#define __BSP_IWDG_H__
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#include "CONFIG.h"
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#define RB_RLR 0x0FFF // RW, watch-dog counter reload (write protect)
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#define RB_PR 0x7000 // PR, prescale (write protect)
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#define RB_PVU 0x8000 // RO, register update flag (write protect)
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#define RB_COUNT 0xFF0000 // RO, watch-dog down counter
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#define RB_STOP_EN 0x20000000 // RW, watch-dog stop enable (write protect)
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#define RB_WR_PROTECT 0x40000000 // RO, write protect
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#define RB_IWDG_EN 0x80000000 // RO, watch-dog enable
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void IWDG_Init(uint16_t ms);
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// 需要定时调用喂狗
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// 在看门狗键寄存器 (R32_IWDG_KR) 中，软件要以一定的间隔写入 0xAAAA，重装载计数值，这就是喂狗的操作。
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// 否则，当计数器为 0 时，看门狗会产生复位。
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#define FEED_IWDG() \
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{ \
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R32_IWDG_KR = 0xAAAA; \
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}
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void ShowRestartReason(void);
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#endif // !__BSP_IWDG_H__
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