ZIPFreeRTOS学习笔记 2.zip 5.61MB

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资源文件列表:

FreeRTOS学习笔记 2.zip 大约有13个文件
  1. FreeRTOS学习笔记 2/10 事件组.pdf 452.6KB
  2. FreeRTOS学习笔记 2/11 任务通知.pdf 427.13KB
  3. FreeRTOS学习笔记 2/12 软件定时器.pdf 434.63KB
  4. FreeRTOS学习笔记 2/13 两套API函数.pdf 411.84KB
  5. FreeRTOS学习笔记 2/14 资源管理-互斥本质.pdf 449.28KB
  6. FreeRTOS学习笔记 2/15 优化系统-栈 CPU.pdf 653.7KB
  7. FreeRTOS学习笔记 2/8.1 数据传输方法.pdf 337.15KB
  8. FreeRTOS学习笔记 2/8.2.2 队列读写-多设备玩游戏.pdf 715.02KB
  9. FreeRTOS学习笔记 2/8.3.1 队列集实验-程序框架改进.pdf 744.99KB
  10. FreeRTOS学习笔记 2/8.3.2 队列集实验-姿态控制.pdf 372.86KB
  11. FreeRTOS学习笔记 2/8.4 队列实验-数据多任务分发.pdf 369.75KB
  12. FreeRTOS学习笔记 2/9.1-2 信号量.pdf 535.12KB
  13. FreeRTOS学习笔记 2/9.3 互斥量解决优先级反转.pdf 347.88KB

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FreeRTOS学习笔记 2.zip
<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89621798/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89621798/bg1.jpg"/><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">当每个设备都创建一个队列读写处理任<span class="_ _0"></span>务会使用大量的栈，<span class="_ _0"></span>消耗大量内存</div></div><div class="c x1 y3 w3 h2"><div class="t m0 x2 h4 y4 ff1 fs1 fc0 sc0 ls1 ws0">可以将所以设备的队列数据读写合并到<span class="_ _0"></span>一个任务中进行转换</div></div><div class="c x1 y5 w4 h5"><div class="t m0 x2 h4 y4 ff1 fs1 fc0 sc0 ls1 ws0">当采用轮询的当时读队列时，读每个队<span class="_ _0"></span>列都不能指定超时时<span class="_ _0"></span>间否则会影响后续队<span class="_ _0"></span>列的</div></div><div class="c x1 y6 w4 h6"><div class="t m0 x2 h4 y2 ff1 fs1 fc0 sc0 ls1 ws0">即使读取，所以整个任务一直在持续运<span class="_ _0"></span>行无法进行阻塞，极<span class="_ _0"></span>大浪费<span class="ff2 ls0">CPU</span>资源</div></div><div class="c x1 y7 w5 h7"><div class="t m0 x2 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0">队列集也是一个队列，当写入队列<span class="_ _0"></span><span class="ff2">A<span class="ff1">、</span>B<span class="ff1 ls2">时，</span></span></div><div class="t m0 x3 h8 y9 ff3 fs0 fc0 sc0 ls0 ws0">xQueueSend</div><div class="t m0 x4 h3 y8 ff1 fs0 fc0 sc0 ls0 ws0">会判断<span class="ff2">A</span>、<span class="ff2">B</span>是否属于<span class="_ _0"></span>队列集</div></div><div class="c x1 ya w5 h6"><div class="t m0 x2 h3 y2 ff2 fs0 fc0 sc0 ls0 ws0">S<span class="ff1">，若是将其句柄写入队列集</span>S<span class="ff1">。<span class="_ _0"></span>而后在读写任务时通<span class="_ _0"></span>过读队列集获得对应<span class="_ _0"></span>队列的句</span></div></div><div class="c x1 yb w5 h9"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">柄，再进行各队列的读操作</div></div><div class="c x1 yc w6 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">流程框图如下</div></div><div class="c x5 yd w7 ha"><div class="t m0 x2 h8 ye ff3 fs0 fc0 sc0 ls0 ws0">15_queueset_game</div></div><div class="c x1 yf w8 hb"><div class="t m0 x2 hc y10 ff4 fs2 fc0 sc0 ls3 ws0">8.3.1 </div><div class="t m0 x6 hd y11 ff5 fs2 fc0 sc0 ls0 ws0">队列集实验</div><div class="t m0 x7 hc y10 ff4 fs2 fc0 sc0 ls0 ws0">-</div><div class="t m0 x8 hd y11 ff5 fs2 fc0 sc0 ls0 ws0">程序框架改进</div></div><div class="c x1 y12 w9 he"><div class="t m0 x2 hf y13 ff3 fs3 fc1 sc0 ls4 ws0">2024</div><div class="t m0 x9 h10 y14 ff1 fs3 fc1 sc0 ls0 ws0">年</div><div class="t m0 xa hf y13 ff3 fs3 fc1 sc0 ls0 ws0">4</div><div class="t m0 xb h10 y14 ff1 fs3 fc1 sc0 ls0 ws0">月</div><div class="t m0 x6 hf y13 ff3 fs3 fc1 sc0 ls0 ws0">9</div><div class="t m0 xc h10 y14 ff1 fs3 fc1 sc0 ls0 ws0">日</div></div><div class="c xd y15 wa h11"><div class="t m0 x2 hf ye ff3 fs3 fc1 sc0 ls4 ws0">22:09</div></div><div class="c x1 y16 wb h12"><div class="t m0 x2 h13 y17 ff6 fs3 fc0 sc0 ls5 ws0"> </div></div><div class="c x0 y18 wc h14"><div class="t m0 xe h10 y19 ff1 fs3 fc0 sc0 ls0 ws0">分区<span class="_ _1"> </span><span class="ff6">RTOS </span>的第<span class="_ _1"> </span><span class="ff6 ls6">1 </span>页</div></div><div class="c xf y16 wb h12"><div class="t m0 x10 h13 y17 ff6 fs3 fc0 sc0 ls5 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611562,0.000000,0.000000,1.611562,0.000000,0.000000]}'></div></div>
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