47 lines
872 B
C++
47 lines
872 B
C++
#include "WatchDog.h"
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WatchDog::WatchDog() { }
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WatchDog::~WatchDog()
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{
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ConfigMax();
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}
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WatchDog& WatchDog::Current()
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{
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static WatchDog dog;
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return dog;
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}
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void WatchDog::FeedDogTask(void* param)
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{
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WatchDog* dog = (WatchDog*)param;
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dog->Feed();
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}
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void WatchDog::Start(uint ms, uint msFeed)
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{
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static uint tid = 0;
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auto& dog = Current();
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if(ms > 20000)
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{
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dog.ConfigMax();
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if(tid) Sys.RemoveTask(tid);
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}
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else
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{
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dog.Config(ms);
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dog.Feed();
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if(!tid && msFeed > 0 && msFeed <= 26000)
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{
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debug_printf("WatchDog::Start ");
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// 首次调度为0ms，让调度系统计算得到其平均耗时，其它任务Sleep时也可以喂狗
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tid = Sys.AddTask(WatchDog::FeedDogTask, &dog, 0, msFeed, "看门狗");
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}
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else
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debug_printf("WatchDog::Config %dms Feed=%dms \r\n", ms, msFeed);
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}
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}
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