{"id":41861,"date":"2023-10-05T22:57:28","date_gmt":"2023-10-05T14:57:28","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=41861"},"modified":"2023-10-05T22:57:28","modified_gmt":"2023-10-05T14:57:28","slug":"frwssrljrwsdzy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/41861.html","title":{"rendered":"FreeRTOS\u4efb\u52a1\u9501\uff1a\u6df1\u5165\u7406\u89e3\u4efb\u52a1\u9501\u7684\u4f5c\u7528"},"content":{"rendered":"

  FreeRTOS\u4efb\u52a1\u9501\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u7279\u5b9a\u4efb\u52a1\u7684\u8d44\u6e90\u8bbf\u95ee\u6743\u9650\u7684\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7ba1\u7406\u548c\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u591a\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\u3002\u672c\u6587\u5c06\u6df1\u5165\u8ba8\u8bbaFreeRTOS\u4efb\u52a1\u9501\u7684\u4f5c\u7528\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528FreeRTOS\u4efb\u52a1\u9501\u6765\u7ba1\u7406\u548c\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\u3002<\/p>\n

\u4ec0\u4e48\u662fFreeRTOS\u4efb\u52a1\u9501\uff1f<\/h2>\n

  FreeRTOS\u4efb\u52a1\u9501\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u7279\u5b9a\u4efb\u52a1\u7684\u8d44\u6e90\u8bbf\u95ee\u6743\u9650\u7684\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u7ba1\u7406\u548c\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u591a\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\u3002\u4efb\u52a1\u9501\u662f\u4e00\u79cd\u8d44\u6e90\u8bbf\u95ee\u63a7\u5236\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u5728\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u963b\u6b62\u591a\u4e2a\u4efb\u52a1\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u8d44\u6e90\uff0c\u4ece\u800c\u907f\u514d\u4e0d\u540c\u4efb\u52a1\u4e4b\u95f4\u7684\u8d44\u6e90\u51b2\u7a81\u3002\u4efb\u52a1\u9501\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\uff0c\u4ece\u800c\u786e\u4fdd\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

\u4efb\u52a1\u9501\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  FreeRTOS\u4efb\u52a1\u9501\u7684\u5de5\u4f5c\u539f\u7406\u662f\uff1a\u5f53\u4e00\u4e2a\u4efb\u52a1\u60f3\u8981\u8bbf\u95ee\u4e00\u4e2a\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5b83\u4f1a\u5c1d\u8bd5\u83b7\u53d6\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff1b\u5982\u679c\u8d44\u6e90\u7684\u4efb\u52a1\u9501\u5df2\u88ab\u5176\u4ed6\u4efb\u52a1\u83b7\u53d6\uff0c\u5219\u8be5\u4efb\u52a1\u5c06\u88ab\u963b\u585e\uff0c\u76f4\u5230\u88ab\u963b\u585e\u7684\u4efb\u52a1\u91ca\u653e\u4e86\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff1b\u5982\u679c\u8d44\u6e90\u7684\u4efb\u52a1\u9501\u672a\u88ab\u5176\u4ed6\u4efb\u52a1\u83b7\u53d6\uff0c\u5219\u8be5\u4efb\u52a1\u53ef\u4ee5\u83b7\u53d6\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff0c\u4ece\u800c\u83b7\u5f97\u5bf9\u8be5\u8d44\u6e90\u7684\u72ec\u5360\u8bbf\u95ee\u6743\u9650\uff0c\u5e76\u53ef\u4ee5\u5b89\u5168\u5730\u8bbf\u95ee\u8be5\u8d44\u6e90\uff1b\u5f53\u4efb\u52a1\u5b8c\u6210\u5bf9\u8be5\u8d44\u6e90\u7684\u8bbf\u95ee\u540e\uff0c\u5b83\u4f1a\u91ca\u653e\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff0c\u4ece\u800c\u5141\u8bb8\u5176\u4ed6\u4efb\u52a1\u8bbf\u95ee\u8be5\u8d44\u6e90\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528FreeRTOS\u4efb\u52a1\u9501<\/h2>\n

  1.\u5728FreeRTOS\u4e2d\u521b\u5efa\u4efb\u52a1\u9501<\/h3>\n

  \u8981\u5728FreeRTOS\u4e2d\u521b\u5efa\u4efb\u52a1\u9501\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u4efb\u52a1\u9501\u53d8\u91cf\uff0c\u7136\u540e\u8c03\u7528FreeRTOS\u7684xSemaphoreCreateMutex()\u51fd\u6570\u6765\u521b\u5efa\u4efb\u52a1\u9501\u3002\u8be5\u51fd\u6570\u7684\u53c2\u6570\u4e3a\u4efb\u52a1\u9501\u53d8\u91cf\uff0c\u51fd\u6570\u8c03\u7528\u6210\u529f\u540e\uff0c\u4efb\u52a1\u9501\u53d8\u91cf\u5c31\u8868\u793a\u4e00\u4e2a\u53ef\u7528\u7684\u4efb\u52a1\u9501\uff0c\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/p>\n

  2.\u5728\u4efb\u52a1\u4e2d\u83b7\u53d6\u4efb\u52a1\u9501<\/h3>\n

  \u5f53\u4e00\u4e2a\u4efb\u52a1\u60f3\u8981\u8bbf\u95ee\u4e00\u4e2a\u5171\u4eab\u8d44\u6e90\u65f6\uff0c\u5b83\u53ef\u4ee5\u8c03\u7528FreeRTOS\u7684xSemaphoreTake()\u51fd\u6570\u6765\u83b7\u53d6\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\u3002\u8be5\u51fd\u6570\u7684\u53c2\u6570\u4e3a\u4efb\u52a1\u9501\u53d8\u91cf\uff0c\u51fd\u6570\u8c03\u7528\u6210\u529f\u540e\uff0c\u8be5\u4efb\u52a1\u5c31\u83b7\u5f97\u4e86\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff0c\u4ece\u800c\u83b7\u5f97\u4e86\u5bf9\u8be5\u8d44\u6e90\u7684\u72ec\u5360\u8bbf\u95ee\u6743\u9650\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u8bbf\u95ee\u8be5\u8d44\u6e90\u3002<\/p>\n

  3.\u5728\u4efb\u52a1\u4e2d\u91ca\u653e\u4efb\u52a1\u9501<\/h3>\n

  \u5f53\u4efb\u52a1\u5b8c\u6210\u5bf9\u8be5\u8d44\u6e90\u7684\u8bbf\u95ee\u540e\uff0c\u5b83\u53ef\u4ee5\u8c03\u7528FreeRTOS\u7684xSemaphoreGive()\u51fd\u6570\u6765\u91ca\u653e\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff0c\u4ece\u800c\u5141\u8bb8\u5176\u4ed6\u4efb\u52a1\u8bbf\u95ee\u8be5\u8d44\u6e90\u3002\u8be5\u51fd\u6570\u7684\u53c2\u6570\u4e3a\u4efb\u52a1\u9501\u53d8\u91cf\uff0c\u51fd\u6570\u8c03\u7528\u6210\u529f\u540e\uff0c\u8be5\u4efb\u52a1\u5c31\u91ca\u653e\u4e86\u8be5\u8d44\u6e90\u7684\u4efb\u52a1\u9501\uff0c\u4ece\u800c\u5141\u8bb8\u5176\u4ed6\u4efb\u52a1\u8bbf\u95ee\u8be5\u8d44\u6e90\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86FreeRTOS\u4efb\u52a1\u9501\u7684\u4f5c\u7528\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528FreeRTOS\u4efb\u52a1\u9501\u6765\u7ba1\u7406\u548c\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\u3002<\/strong>FreeRTOS\u4efb\u52a1\u9501\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u591a\u4efb\u52a1\u7cfb\u7edf\u4e2d\u7684\u4efb\u52a1\u8d44\u6e90\u8bbf\u95ee\uff0c\u4ece\u800c\u786e\u4fdd\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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