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FreeRTOS学习之互斥信号量
互斥信号量(Mutex,全称Mutual Exclusion)是FreeRTOS中一种特殊的二进制信号量,专门用于实现资源互斥访问。 与普通信号量相比,互斥信号量具有以下关键特性: 当低优先级任务持有互斥量而高优先级任务尝试获取时: 低优先级任务临时继承高优先级任务的优先 ...
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