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systick中断优先级为15,是否会导致延时不准确? |
1金钱
最佳答案是的,所以中断应该越短越好,另外,不建议把configTICK_RATE_HZ调太大,没特殊要求,1ms最大了,最好5ms, 否则任务切换会占用很多CPU。
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发表于 2018-4-21 14:47:50
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发表于 2018-6-3 11:02:19
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He who fights with monsters should look to it that he himself does not become a monster, when you gaze long into the abyss, the abyss also gazes into you.
过于执着就会陷入其中,迷失自己,困住自己。 |
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发表于 2018-7-12 12:50:46
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