{"id":118733,"date":"2026-10-28T01:24:32","date_gmt":"2026-10-27T17:24:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/118733.html"},"modified":"2026-10-28T01:24:32","modified_gmt":"2026-10-27T17:24:32","slug":"freertos-%e7%ac%ac%e4%b8%80%e8%af%be%ef%bc%9a%e5%88%9d%e8%af%86-freertos-%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/118733.html","title":{"rendered":"FreeRTOS \u7b2c\u4e00\u8bfe\uff1a\u521d\u8bc6 FreeRTOS \u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<h2>FreeRTOS \u7b2c\u4e00\u8bfe&#xff1a;\u521d\u8bc6 FreeRTOS \u5b66\u4e60\u7b14\u8bb0<\/h2>\n<p>\u5d4c\u5165\u5f0f\u5b66\u4e60\u7b14\u8bb0 \u00b7 FreeRTOS \u7b2c 1 \u8bfe<\/p>\n<p>\u4eca\u5929\u5f00\u59cb\u5b66\u4e60 FreeRTOS&#xff1a;\u5b83\u662f\u4ec0\u4e48\u3001\u6709\u4ec0\u4e48\u7528\u3001\u662f\u8c01\u53d1\u660e\u7684&#xff0c;\u4ee5\u53ca\u5b83\u7684\u6838\u5fc3\u6982\u5ff5&#xff08;\u4efb\u52a1\u3001\u8c03\u5ea6\u5668\u3001\u901a\u4fe1\u673a\u5236&#xff09;&#xff0c;\u6574\u7406\u6210\u6587\u65b9\u4fbf\u590d\u4e60\u3002 <\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>FreeRTOS \u7b2c\u4e00\u8bfe&#xff1a;\u521d\u8bc6 FreeRTOS \u5b66\u4e60\u7b14\u8bb0<\/li>\n<li>\n<ul>\n<li>\u4e00\u3001FreeRTOS \u662f\u4ec0\u4e48<\/li>\n<li>\u4e8c\u3001FreeRTOS \u7684\u4f5c\u7528&#xff08;\u4e3e\u4f8b\u5b50&#xff09;<\/li>\n<li>\n<ul>\n<li>1. \u5148\u770b\u88f8\u673a\u5f00\u53d1\u7684\u75db\u70b9<\/li>\n<li>2. FreeRTOS \u600e\u4e48\u89e3\u51b3<\/li>\n<li>3. \u4e3e\u4f8b&#xff1a;\u667a\u80fd\u5c0f\u8f66<\/li>\n<li>4. \u88f8\u673a vs FreeRTOS \u5bf9\u6bd4&#xff08;\u793a\u610f&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001FreeRTOS \u7684\u53d1\u660e\u8005&#xff1a;Richard Barry<\/li>\n<li>\u56db\u3001FreeRTOS \u7684\u6838\u5fc3\u6982\u5ff5&#xff08;\u521d\u8bc6\u7248&#xff09;<\/li>\n<li>\n<ul>\n<li>1. \u4efb\u52a1&#xff08;Task&#xff09;\u548c\u4efb\u52a1\u72b6\u6001\u673a<\/li>\n<li>2. \u8c03\u5ea6\u5668&#xff08;Scheduler&#xff09;<\/li>\n<li>3. \u4efb\u52a1\u95f4\u901a\u4fe1\u4e0e\u540c\u6b65\u673a\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u5c0f\u7ed3\u901f\u67e5\u8868<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>\u4e00\u3001FreeRTOS \u662f\u4ec0\u4e48<\/h3>\n<p>FreeRTOS &#061; Free Real-Time Operating System&#xff0c;\u4e00\u4e2a\u5f00\u6e90\u514d\u8d39\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838&#xff0c;\u4e13\u95e8\u4e3a\u5d4c\u5165\u5f0f\u5355\u7247\u673a&#xff08;MCU&#xff09;\u8bbe\u8ba1\u3002<\/p>\n<ul>\n<li>Free&#xff1a;\u5f00\u6e90\u514d\u8d39&#xff0c;\u53ef\u4ee5\u968f\u610f\u7528\u4e8e\u5546\u4e1a\u9879\u76ee&#xff1b;<\/li>\n<li>RTOS&#xff1a;Real-Time Operating System&#xff0c;\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u80fd\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u54cd\u5e94\u5916\u90e8\u4e8b\u4ef6&#xff1b;<\/li>\n<li>\u5185\u6838&#xff08;Kernel&#xff09;&#xff1a;\u53ea\u63d0\u4f9b\u64cd\u4f5c\u7cfb\u7edf\u6700\u6838\u5fc3\u7684\u529f\u80fd&#xff08;\u4efb\u52a1\u8c03\u5ea6\u3001\u4efb\u52a1\u901a\u4fe1\u7b49&#xff09;&#xff0c;\u4e0d\u5305\u542b\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u534f\u8bae\u6808\u7b49&#034;\u5916\u6302&#034;\u7ec4\u4ef6&#xff08;\u9700\u8981\u53ef\u81ea\u884c\u79fb\u690d\u6dfb\u52a0&#xff09;\u3002<\/li>\n<\/ul>\n<table>\n<tr>\u7279\u6027\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u5f00\u6e90\u8bb8\u53ef<\/td>\n<td>\u5185\u6838 MIT \u8bb8\u53ef&#xff0c;\u5546\u7528\u514d\u8d39<\/td>\n<\/tr>\n<tr>\n<td>\u8c03\u5ea6\u65b9\u5f0f<\/td>\n<td>\u57fa\u4e8e\u4f18\u5148\u7ea7\u7684\u62a2\u5360\u5f0f\u8c03\u5ea6 &#043; \u65f6\u95f4\u7247\u8f6e\u8f6c<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u89c4\u6a21<\/td>\n<td>\u7cbe\u7b80\u53ef\u88c1\u526a&#xff0c;\u5185\u6838\u7ea6\u51e0\u5343\u884c C \u4ee3\u7801<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u4ef6\u9700\u6c42<\/td>\n<td>\u5f88\u4f4e&#xff0c;\u51e0 KB RAM\/Flash \u5373\u53ef\u8fd0\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u67b6\u6784\u652f\u6301<\/td>\n<td>40&#043; \u79cd\u5904\u7406\u5668\u67b6\u6784&#xff08;ARM Cortex-M\u3001RISC-V\u3001AVR \u7b49&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u53d1\u8bed\u8a00<\/td>\n<td>\u7eaf C \u8bed\u8a00&#xff0c;\u53ef\u79fb\u690d\u6027\u597d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8bb0\u5fc6&#xff1a;FreeRTOS &#061; \u7ed9\u5355\u7247\u673a\u7528\u7684&#034;\u8ff7\u4f60\u64cd\u4f5c\u7cfb\u7edf&#034;&#xff0c;\u4efb\u52a1\u60f3\u8dd1\u51e0\u4e2a\u8dd1\u51e0\u4e2a&#xff0c;\u8fd8\u80fd\u6309\u4f18\u5148\u7ea7\u62a2 CPU\u3002<\/p>\n<h3>\u4e8c\u3001FreeRTOS \u7684\u4f5c\u7528&#xff08;\u4e3e\u4f8b\u5b50&#xff09;<\/h3>\n<h4>1. \u5148\u770b\u88f8\u673a\u5f00\u53d1\u7684\u75db\u70b9<\/h4>\n<p>\u5f88\u591a\u540c\u5b66&#xff08;\u5305\u62ec\u6211&#xff09;\u6700\u5f00\u59cb\u5199\u7684\u5355\u7247\u673a\u7a0b\u5e8f\u90fd\u662f&#034;\u524d\u540e\u53f0\u7cfb\u7edf&#034;&#xff1a;<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/* \u521d\u59cb\u5316 *\/<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">Read_Sensor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ 1. \u8bfb\u4f20\u611f\u5668&#xff08;\u53ef\u80fd\u8981\u7b49\u51e0\u5341 ms&#xff09;<\/span><br \/>\n        <span class=\"token function\">Process_Data<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ 2. \u5904\u7406\u6570\u636e&#xff08;\u8ba1\u7b97\u91cf\u5927&#xff09;<\/span><br \/>\n        <span class=\"token function\">Update_Display<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ 3. \u5237\u65b0\u5c4f\u5e55<\/span><br \/>\n        <span class=\"token function\">Scan_Key<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>       <span class=\"token comment\">\/\/ 4. \u626b\u63cf\u6309\u952e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u95ee\u9898\u6765\u4e86&#xff1a;\u8fd9\u662f\u4e00\u4e2a\u6b7b\u5faa\u73af&#xff0c;\u53ea\u80fd\u4e00\u4e2a\u51fd\u6570\u4e00\u4e2a\u51fd\u6570\u5730\u987a\u5e8f\u6267\u884c\u3002\u5982\u679c&#034;\u8bfb\u4f20\u611f\u5668&#034;\u8981\u7b49\u5f88\u4e45&#xff08;\u6bd4\u5982\u7b49 I2C \u5e94\u7b54\u3001\u7b49 ADC \u8f6c\u6362&#xff09;&#xff0c;\u540e\u9762&#034;\u5237\u65b0\u5c4f\u5e55&#034;&#034;\u626b\u63cf\u6309\u952e&#034;\u5168\u90e8\u88ab\u5361\u4f4f&#xff0c;\u5b9e\u65f6\u6027\u5f88\u5dee\u3002<\/p>\n<table>\n<tr>\u88f8\u673a\u75db\u70b9\u540e\u679c<\/tr>\n<tbody>\n<tr>\n<td>\u4e3b\u5faa\u73af\u987a\u5e8f\u6267\u884c<\/td>\n<td>\u6162\u4efb\u52a1\u5361\u4f4f\u6240\u6709\u5feb\u4efb\u52a1<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u65ad\u91cc\u505a\u592a\u591a\u4e8b<\/td>\n<td>\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u592a\u957f&#xff0c;\u5f71\u54cd\u7cfb\u7edf\u54cd\u5e94<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u4e2a&#034;\u540c\u65f6\u8981\u505a\u7684\u6d3b&#034;<\/td>\n<td>\u53ea\u80fd\u624b\u52a8\u7528\u6807\u5fd7\u4f4d\/\u5b9a\u65f6\u5668\u8f6e\u8be2\u5207\u6362&#xff0c;\u4ee3\u7801\u4e71<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2. FreeRTOS \u600e\u4e48\u89e3\u51b3<\/h4>\n<p>FreeRTOS \u628a\u7a0b\u5e8f\u62c6\u6210\u591a\u4e2a\u72ec\u7acb\u7684\u4efb\u52a1&#xff08;Task&#xff09;&#xff0c;\u6bcf\u4e2a\u4efb\u52a1\u5404\u5e72\u5404\u7684&#xff0c;\u7531\u8c03\u5ea6\u5668\u51b3\u5b9a\u8c01\u5148\u8fd0\u884c&#xff1a;<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Task_Sensor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span>   <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function\">Read_Sensor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Task_Display<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span>  <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function\">Update_Display<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Task_Key<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">)<\/span>      <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token function\">Scan_Key<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>        <span class=\"token function\">vTaskDelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<ul>\n<li>\u4e09\u4e2a\u4efb\u52a1&#034;\u770b\u8d77\u6765&#034;\u5728\u540c\u65f6\u8fd0\u884c&#xff08;\u5b8f\u89c2\u5e76\u884c&#xff0c;\u5fae\u89c2\u4e0a\u7531\u8c03\u5ea6\u5668\u5feb\u901f\u5207\u6362&#xff09;&#xff1b;<\/li>\n<li>\u4f20\u611f\u5668\u4efb\u52a1\u963b\u585e\u7b49\u5f85\u65f6&#xff0c;CPU \u7acb\u523b\u8ba9\u7ed9\u663e\u793a\u4efb\u52a1\u3001\u6309\u952e\u4efb\u52a1&#xff1b;<\/li>\n<li>\u6bcf\u4e2a\u4efb\u52a1\u90fd\u53ef\u4ee5\u6709\u81ea\u5df1\u7684\u4f18\u5148\u7ea7&#xff0c;\u7d27\u6025\u7684\u4efb\u52a1\u53ef\u4ee5\u62a2\u5360\u4e0d\u7d27\u6025\u7684\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h4>3. \u4e3e\u4f8b&#xff1a;\u667a\u80fd\u5c0f\u8f66<\/h4>\n<table>\n<tr>\u529f\u80fd\u88f8\u673a\u5199\u6cd5FreeRTOS \u5199\u6cd5<\/tr>\n<tbody>\n<tr>\n<td>\u8d85\u58f0\u6ce2\u6d4b\u8ddd<\/td>\n<td>\u5728\u4e3b\u5faa\u73af\u91cc\u6392\u961f\u7b49 40ms \u56de\u6ce2<\/td>\n<td>\u72ec\u7acb&#034;\u6d4b\u8ddd\u4efb\u52a1&#034;&#xff0c;vTaskDelay \u7b49\u5f85<\/td>\n<\/tr>\n<tr>\n<td>OLED \u663e\u793a<\/td>\n<td>\u5237\u65b0\u4e00\u5c4f\u8981\u51e0 ms&#xff0c;\u963b\u585e\u5176\u4ed6<\/td>\n<td>\u72ec\u7acb&#034;\u663e\u793a\u4efb\u52a1&#034;&#xff0c;\u4f18\u5148\u7ea7\u6700\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u673a\u8c03\u901f<\/td>\n<td>\u5b9a\u65f6\u5668\u4e2d\u65ad\u91cc\u505a<\/td>\n<td>\u72ec\u7acb&#034;\u7535\u673a\u4efb\u52a1&#034; &#043; \u961f\u5217\u63a5\u6536\u6307\u4ee4<\/td>\n<\/tr>\n<tr>\n<td>\u6309\u952e\u54cd\u5e94<\/td>\n<td>\u4e3b\u5faa\u73af\u8f6e\u8be2&#xff0c;\u53ef\u80fd\u88ab\u5361\u4f4f<\/td>\n<td>\u72ec\u7acb&#034;\u6309\u952e\u4efb\u52a1&#034;&#xff0c;\u9ad8\u4f18\u5148\u7ea7\u7acb\u523b\u54cd\u5e94<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4. \u88f8\u673a vs FreeRTOS \u5bf9\u6bd4&#xff08;\u793a\u610f&#xff09;<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261027172430-6ae0de4e44267.png\" alt=\"\u88f8\u673a vs FreeRTOS \u8c03\u5ea6\u5bf9\u6bd4\uff08\u793a\u610f\uff09\" \/><\/p>\n<p>\u56fe\u89e3\u6790&#xff1a;\u8fd9\u662f\u6211\u7ed8\u5236\u7684\u8c03\u5ea6\u5bf9\u6bd4\u793a\u610f\u56fe\u3002<\/p>\n<ul>\n<li>\u4e0a\u534a\u90e8\u5206&#xff08;\u88f8\u673a&#xff09;&#xff1a;while(1) \u5927\u5faa\u73af\u91cc&#034;\u4f20\u611f\u5668 \u2192 \u5904\u7406 \u2192 \u663e\u793a \u2192 \u6309\u952e&#034;\u4f9d\u6b21\u6267\u884c&#xff1b;\u4e00\u65e6\u67d0\u4e2a\u6162\u4efb\u52a1&#xff08;\u5982\u4f20\u611f\u5668\u7b49\u5f85&#xff09;\u8017\u65f6\u8fc7\u957f&#xff0c;\u6574\u4e2a\u5faa\u73af\u88ab\u5361\u4f4f&#xff0c;\u5176\u4ed6\u4efb\u52a1\u5168\u90e8\u6392\u961f\u7b49\u5f85&#xff1b;<\/li>\n<li>\u4e0b\u534a\u90e8\u5206&#xff08;FreeRTOS&#xff09;&#xff1a;\u4efb\u52a1\u6309\u4f18\u5148\u7ea7\u548c\u65f6\u95f4\u7247\u5feb\u901f\u5207\u6362&#xff0c;&#034;\u4f20\u611f\u5668\/\u5904\u7406\/\u663e\u793a\/\u6309\u952e\/\u7a7a\u95f2&#034;\u4ea4\u9519\u8fd0\u884c&#xff1b;\u6162\u4efb\u52a1\u963b\u585e\u65f6 CPU \u7acb\u5373\u8ba9\u7ed9\u5176\u4ed6\u5c31\u7eea\u4efb\u52a1&#xff0c;\u7a7a\u95f2\u65f6\u8fdb\u5165\u7a7a\u95f2\u4efb\u52a1\u7701\u7535\u3002<\/li>\n<\/ul>\n<p>\u4e00\u53e5\u8bdd&#xff1a;\u88f8\u673a\u662f\u4e00\u5217\u706b\u8f66\u6392\u961f\u8fc7\u6865&#xff0c;RTOS \u662f\u7acb\u4ea4\u6865&#xff0c;\u5404\u8d70\u5404\u7684\u8f66\u9053\u3002<\/p>\n<h3>\u4e09\u3001FreeRTOS \u7684\u53d1\u660e\u8005&#xff1a;Richard Barry<\/h3>\n<ul>\n<li>Richard Barry&#xff08;\u7406\u67e5\u5fb7\u00b7\u5df4\u91cc&#xff09;\u662f FreeRTOS \u7684\u521b\u59cb\u4eba\u548c\u4e3b\u8981\u5f00\u53d1\u8005&#xff1b;<\/li>\n<li>2003 \u5e74&#xff0c;\u4ed6\u5f00\u53d1\u5e76\u5f00\u6e90\u4e86 FreeRTOS&#xff0c;\u6700\u521d\u7528\u4e8e\u81ea\u5df1\u7684\u9879\u76ee&#xff0c;\u540e\u6765\u514d\u8d39\u5411\u5168\u4e16\u754c\u53d1\u5e03&#xff1b;<\/li>\n<li>\u56e0\u4e3a\u5f00\u6e90\u514d\u8d39 &#043; \u8f7b\u91cf\u53ef\u9760&#xff0c;FreeRTOS \u8fc5\u901f\u6210\u4e3a\u5d4c\u5165\u5f0f\u9886\u57df\u4f7f\u7528\u6700\u5e7f\u7684 RTOS \u4e4b\u4e00&#xff1b;<\/li>\n<li>2017 \u5e74&#xff0c;\u4e9a\u9a6c\u900a AWS \u6536\u8d2d FreeRTOS&#xff0c;\u5e76\u5c06\u5176\u4e0e\u4e91\u670d\u52a1\u7ed3\u5408&#xff0c;\u63a8\u51fa Amazon FreeRTOS&#xff08;\u73b0\u5728\u53eb AWS IoT \u76f8\u5173\u7684 FreeRTOS \u7248\u672c&#xff09;&#xff1b;<\/li>\n<li>\u76ee\u524d FreeRTOS \u5185\u6838\u5728 GitHub \u4e0a\u6301\u7eed\u7ef4\u62a4\u66f4\u65b0&#xff0c;\u4f9d\u7136\u662f MIT \u5f00\u6e90\u8bb8\u53ef\u3002<\/li>\n<\/ul>\n<table>\n<tr>\u65f6\u95f4\u4e8b\u4ef6<\/tr>\n<tbody>\n<tr>\n<td>2003<\/td>\n<td>Richard Barry \u5f00\u53d1\u5e76\u53d1\u5e03 FreeRTOS<\/td>\n<\/tr>\n<tr>\n<td>~2010s<\/td>\n<td>\u6210\u4e3a\u5d4c\u5165\u5f0f\u5e02\u573a\u5360\u6709\u7387\u6700\u9ad8\u7684 RTOS \u4e4b\u4e00<\/td>\n<\/tr>\n<tr>\n<td>2017<\/td>\n<td>\u88ab\u4e9a\u9a6c\u900a AWS \u6536\u8d2d&#xff0c;\u63a8\u51fa Amazon FreeRTOS<\/td>\n<\/tr>\n<tr>\n<td>\u81f3\u4eca<\/td>\n<td>\u5185\u6838\u5728 GitHub \u5f00\u6e90\u7ef4\u62a4&#xff0c;MIT \u8bb8\u53ef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8bb0\u5fc6&#xff1a;FreeRTOS &#061; Richard Barry 2003 \u5e74\u9001\u7ed9\u5927\u5bb6\u7684&#034;\u514d\u8d39\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u793c\u7269&#034;&#xff0c;\u540e\u6765\u88ab\u4e9a\u9a6c\u900a\u6536\u517b\u3002<\/p>\n<h3>\u56db\u3001FreeRTOS \u7684\u6838\u5fc3\u6982\u5ff5&#xff08;\u521d\u8bc6\u7248&#xff09;<\/h3>\n<h4>1. \u4efb\u52a1&#xff08;Task&#xff09;\u548c\u4efb\u52a1\u72b6\u6001\u673a<\/h4>\n<p>FreeRTOS \u4e2d&#xff0c;\u6bcf\u4e2a&#034;\u5e72\u6d3b\u7684\u5c0f\u51fd\u6570&#034;\u5c31\u662f\u4e00\u4e2a\u4efb\u52a1\u3002\u4efb\u52a1\u6709\u56db\u79cd\u72b6\u6001&#xff1a;<\/p>\n<table>\n<tr>\u72b6\u6001\u542b\u4e49\u4ec0\u4e48\u65f6\u5019\u8fdb\u5165<\/tr>\n<tbody>\n<tr>\n<td>\u8fd0\u884c&#xff08;Running&#xff09;<\/td>\n<td>\u6b63\u5728\u5360\u7528 CPU \u6267\u884c<\/td>\n<td>\u8c03\u5ea6\u5668\u9009\u4e2d\u5b83\u65f6<\/td>\n<\/tr>\n<tr>\n<td>\u5c31\u7eea&#xff08;Ready&#xff09;<\/td>\n<td>\u60f3\u8fd0\u884c&#xff0c;\u4f46 CPU \u88ab\u66f4\u9ad8\u4f18\u5148\u7ea7\u5360\u7740<\/td>\n<td>\u4e00\u5207\u5c31\u7eea&#xff0c;\u7b49\u5f85\u8c03\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>\u963b\u585e&#xff08;Blocked&#xff09;<\/td>\n<td>\u5728\u7b49\u67d0\u4ef6\u4e8b&#xff08;\u5ef6\u65f6\/\u961f\u5217\/\u4fe1\u53f7\u91cf&#xff09;<\/td>\n<td>\u8c03\u7528 vTaskDelay\u3001\u7b49\u5f85\u6d88\u606f\u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u6302\u8d77&#xff08;Suspended&#xff09;<\/td>\n<td>\u88ab\u6682\u505c&#xff0c;\u4e0d\u53c2\u4e0e\u8c03\u5ea6<\/td>\n<td>\u8c03\u7528 vTaskSuspend()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261027172430-6ae0de4ed2a26.png\" alt=\"FreeRTOS \u4efb\u52a1\u72b6\u6001\u673a\uff08\u793a\u610f\uff09\" \/><\/p>\n<p>\u56fe\u89e3\u6790&#xff1a;\u8fd9\u662f\u6211\u7ed8\u5236\u7684\u4efb\u52a1\u72b6\u6001\u8f6c\u6362\u793a\u610f\u56fe\u3002<\/p>\n<ul>\n<li>\u8fd0\u884c \u2192 \u5c31\u7eea&#xff1a;\u65f6\u95f4\u7247\u7528\u5b8c\u6216\u88ab\u66f4\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u62a2\u5360&#xff0c;CPU \u8ba9\u51fa&#xff1b;<\/li>\n<li>\u5c31\u7eea \u2192 \u8fd0\u884c&#xff1a;\u8c03\u5ea6\u5668\u9009\u4e2d&#xff0c;\u83b7\u5f97 CPU&#xff1b;<\/li>\n<li>\u8fd0\u884c\/\u5c31\u7eea \u2192 \u963b\u585e&#xff1a;\u7b49\u5f85\u4e8b\u4ef6&#xff08;\u5ef6\u65f6\u3001\u961f\u5217\u3001\u4fe1\u53f7\u91cf&#xff09;&#xff1b;<\/li>\n<li>\u963b\u585e \u2192 \u5c31\u7eea&#xff1a;\u7b49\u5f85\u7684\u4e8b\u4ef6\u53d1\u751f&#xff1b;<\/li>\n<li>\u8fd0\u884c\/\u5c31\u7eea \u2192 \u6302\u8d77&#xff1a;\u8c03\u7528 vTaskSuspend()&#xff1b;<\/li>\n<li>\u6302\u8d77 \u2192 \u5c31\u7eea&#xff1a;\u8c03\u7528 vTaskResume()&#xff1b;<\/li>\n<li>\u540c\u4e00\u4f18\u5148\u7ea7\u7684\u5c31\u7eea\u4efb\u52a1\u4e4b\u95f4\u6309\u65f6\u95f4\u7247\u8f6e\u8f6c&#xff08;\u6bcf\u4e2a\u4efb\u52a1\u5206\u5230\u4e00\u5c0f\u6bb5 CPU \u65f6\u95f4&#xff09;\u3002<\/li>\n<\/ul>\n<h4>2. \u8c03\u5ea6\u5668&#xff08;Scheduler&#xff09;<\/h4>\n<p>\u8c03\u5ea6\u5668\u662f FreeRTOS \u7684&#034;\u5927\u8111&#034;&#xff0c;\u8d1f\u8d23\u51b3\u5b9a&#034;\u4e0b\u4e00\u4e2a\u8be5\u8c01\u8dd1&#034;&#xff1a;<\/p>\n<ul>\n<li>\u62a2\u5360\u5f0f\u8c03\u5ea6&#xff08;\u9ed8\u8ba4\u5f00\u542f&#xff09;&#xff1a;\u9ad8\u4f18\u5148\u7ea7\u4efb\u52a1\u5c31\u7eea\u65f6&#xff0c;\u7acb\u523b\u6253\u65ad\u4f4e\u4f18\u5148\u7ea7\u4efb\u52a1&#xff1b;<\/li>\n<li>\u65f6\u95f4\u7247\u8f6e\u8f6c&#xff1a;\u540c\u4f18\u5148\u7ea7\u4efb\u52a1\u8f6e\u6d41\u8fd0\u884c&#xff0c;\u6bcf\u4eba\u5206\u4e00\u4e2a\u65f6\u95f4\u7247&#xff08;\u9ed8\u8ba4 1ms \u91cf\u7ea7&#xff09;&#xff1b;<\/li>\n<li>\u7a7a\u95f2\u4efb\u52a1&#xff08;Idle Task&#xff09;&#xff1a;\u6240\u6709\u4efb\u52a1\u90fd\u963b\u585e\u65f6&#xff0c;\u8fd0\u884c\u6700\u4f4e\u4f18\u5148\u7ea7\u7684\u7a7a\u95f2\u4efb\u52a1&#xff08;\u53ef\u5728\u6b64\u4f11\u7720\u7701\u7535&#xff09;\u3002<\/li>\n<\/ul>\n<h4>3. \u4efb\u52a1\u95f4\u901a\u4fe1\u4e0e\u540c\u6b65\u673a\u5236<\/h4>\n<p>\u591a\u4efb\u52a1\u4e4b\u95f4\u9700\u8981&#034;\u4f20\u6570\u636e\u3001\u6253\u62db\u547c\u3001\u4e92\u76f8\u7b49&#034;&#xff0c;FreeRTOS \u63d0\u4f9b\u4e86\u591a\u79cd\u673a\u5236&#xff1a;<\/p>\n<table>\n<tr>\u673a\u5236\u4f5c\u7528\u7c7b\u6bd4<\/tr>\n<tbody>\n<tr>\n<td>\u961f\u5217&#xff08;Queue&#xff09;<\/td>\n<td>\u4efb\u52a1\u95f4\u4f20\u9012\u6570\u636e&#xff08;\u5148\u8fdb\u5148\u51fa&#xff09;<\/td>\n<td>\u4f20\u7eb8\u6761\u7684\u90ae\u7bb1<\/td>\n<\/tr>\n<tr>\n<td>\u4fe1\u53f7\u91cf&#xff08;Semaphore&#xff09;<\/td>\n<td>\u8d44\u6e90\u8ba1\u6570 \/ \u4e8b\u4ef6\u901a\u77e5<\/td>\n<td>\u505c\u8f66\u573a\u7a7a\u4f4d\u8ba1\u6570<\/td>\n<\/tr>\n<tr>\n<td>\u4e92\u65a5\u91cf&#xff08;Mutex&#xff09;<\/td>\n<td>\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90&#xff0c;\u5e26\u4f18\u5148\u7ea7\u7ee7\u627f<\/td>\n<td>\u5395\u6240\u95e8\u9501&#xff08;\u6392\u961f\u4f18\u5148&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4e8b\u4ef6\u7ec4&#xff08;Event Group&#xff09;<\/td>\n<td>\u591a\u4e2a\u4e8b\u4ef6&#034;\u4e0e\/\u6216&#034;\u7ec4\u5408\u7b49\u5f85<\/td>\n<td>\u7b49\u597d\u51e0\u4e2a\u5feb\u9012\u90fd\u5230<\/td>\n<\/tr>\n<tr>\n<td>\u8f6f\u4ef6\u5b9a\u65f6\u5668&#xff08;Timer&#xff09;<\/td>\n<td>\u5468\u671f\u6027\u56de\u8c03\u51fd\u6570<\/td>\n<td>\u95f9\u949f<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u7ba1\u7406&#xff08;heap_1~5&#xff09;<\/td>\n<td>\u52a8\u6001\u5206\u914d\/\u91ca\u653e\u4efb\u52a1\u6808\u7b49<\/td>\n<td>\u5185\u5b58\u4ed3\u5e93<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261027172431-6ae0de4f41b4d.png\" alt=\"FreeRTOS \u5185\u6838\u7ec4\u6210\uff08\u793a\u610f\uff09\" \/><\/p>\n<p>\u56fe\u89e3\u6790&#xff1a;\u8fd9\u662f\u6211\u7ed8\u5236\u7684\u5185\u6838\u7ec4\u6210\u793a\u610f\u56fe\u3002\u4e2d\u5fc3\u84dd\u8272\u7684\u662f\u5185\u6838&#xff08;Kernel&#xff09;&#xff0c;\u8d1f\u8d23\u4efb\u52a1\u8c03\u5ea6\u5668\u548c\u65f6\u95f4\u7ba1\u7406&#xff1b;\u5468\u56f4\u7eff\u8272\u7684\u662f\u5185\u6838\u63d0\u4f9b\u7684\u529f\u80fd\u7ec4\u4ef6&#xff1a;\u4efb\u52a1\u3001\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u3001\u4e92\u65a5\u91cf\u3001\u4e8b\u4ef6\u7ec4\u3001\u8f6f\u4ef6\u5b9a\u65f6\u5668\u3001\u5185\u5b58\u7ba1\u7406&#xff08;heap_1~5&#xff09;\u3002\u4efb\u52a1\u4e4b\u95f4\u901a\u8fc7\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u7b49\u673a\u5236\u901a\u4fe1\u4e0e\u540c\u6b65&#xff0c;\u8fd9\u6b63\u662f RTOS \u4e0e\u88f8\u673a\u6700\u5927\u7684\u4e0d\u540c\u2014\u2014\u4efb\u52a1\u4e0d\u518d\u662f\u5b64\u5c9b&#xff0c;\u53ef\u4ee5\u5b89\u5168\u5730\u534f\u4f5c\u3002<\/p>\n<h3>\u4e94\u3001\u5c0f\u7ed3\u901f\u67e5\u8868<\/h3>\n<table>\n<tr>\u95ee\u9898\u7b54\u6848<\/tr>\n<tbody>\n<tr>\n<td>FreeRTOS \u662f\u4ec0\u4e48<\/td>\n<td>\u5f00\u6e90\u514d\u8d39\u7684\u5d4c\u5165\u5f0f\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838<\/td>\n<\/tr>\n<tr>\n<td>\u53d1\u660e\u8005<\/td>\n<td>Richard Barry&#xff0c;2003 \u5e74\u5f00\u53d1<\/td>\n<\/tr>\n<tr>\n<td>\u73b0\u5728\u5f52\u8c01\u7ef4\u62a4<\/td>\n<td>\u4e9a\u9a6c\u900a AWS&#xff08;Amazon FreeRTOS&#xff09;&#xff0c;GitHub \u5f00\u6e90<\/td>\n<\/tr>\n<tr>\n<td>\u8bb8\u53ef\u534f\u8bae<\/td>\n<td>MIT&#xff08;\u514d\u8d39\u5546\u7528&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u8c03\u5ea6\u65b9\u5f0f<\/td>\n<td>\u4f18\u5148\u7ea7\u62a2\u5360 &#043; \u65f6\u95f4\u7247\u8f6e\u8f6c<\/td>\n<\/tr>\n<tr>\n<td>\u4efb\u52a1\u72b6\u6001<\/td>\n<td>\u8fd0\u884c \/ \u5c31\u7eea \/ \u963b\u585e \/ \u6302\u8d77<\/td>\n<\/tr>\n<tr>\n<td>\u901a\u4fe1\u673a\u5236<\/td>\n<td>\u961f\u5217\u3001\u4fe1\u53f7\u91cf\u3001\u4e92\u65a5\u91cf\u3001\u4e8b\u4ef6\u7ec4<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u7ba1\u7406<\/td>\n<td>heap_1 ~ heap_5 \u4e94\u79cd\u65b9\u6848<\/td>\n<\/tr>\n<tr>\n<td>\u652f\u6301\u67b6\u6784<\/td>\n<td>40&#043; \u79cd&#xff08;Cortex-M\u3001RISC-V \u7b49&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8bb0\u5fc6\u53e3\u8bc0&#xff1a;<\/p>\n<li>FreeRTOS &#061; \u514d\u8d39\u7684\u5b9e\u65f6\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u4e13\u6cbb\u88f8\u673a while(1) \u5361\u987f\u3002<\/li>\n<li>\u4efb\u52a1\u56db\u6001&#xff1a;\u8fd0\u884c\u3001\u5c31\u7eea\u3001\u963b\u585e\u3001\u6302\u8d77\u2014\u2014\u8c01\u5c31\u7eea\u8c01\u4e0a&#xff0c;\u9ad8\u4f18\u5148\u7ea7\u63d2\u961f\u3002<\/li>\n<li>\u4efb\u52a1\u4e4b\u95f4\u9760\u961f\u5217\u4f20\u6570\u636e\u3001\u4fe1\u53f7\u91cf\u6253\u62db\u547c\u3001\u4e92\u65a5\u91cf\u4e0a\u9501\u3002<\/li>\n<hr 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