{"id":1385,"date":"2024-11-01T17:08:00","date_gmt":"2024-11-01T09:08:00","guid":{"rendered":"https:\/\/aoofoo.com\/?p=1385"},"modified":"2024-11-02T16:03:06","modified_gmt":"2024-11-02T08:03:06","slug":"3-5-%e4%bb%bb%e5%8a%a1%e6%8c%82%e8%b5%b7%e4%b8%8e%e6%81%a2%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/aoofoo.com\/index.php\/2024\/11\/01\/3-5-%e4%bb%bb%e5%8a%a1%e6%8c%82%e8%b5%b7%e4%b8%8e%e6%81%a2%e5%a4%8d\/","title":{"rendered":"3.5 \u4efb\u52a1\u6302\u8d77\u4e0e\u6062\u590d"},"content":{"rendered":"<h2>\u4efb\u52a1\u6302\u8d77\u4e0e\u6062\u590dAPI<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1386\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-100000.png\" alt=\"\" width=\"671\" height=\"195\" \/><\/p>\n<p>\u6302\u8d77\u4efb\u52a1\u548c\u5220\u9664\u4efb\u52a1\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f<\/p>\n<p>\u6302\u8d77\u4efb\u52a1\u7c7b\u4f3c\u6682\u505c\uff0c\u53ef\u6062\u590d\uff1b \u5220\u9664\u4efb\u52a1\uff0c\u65e0\u6cd5\u6062\u590d\uff0c\u7c7b\u4f3c\u201c\u4eba\u6b7b\u4e24\u6e05\u3002<\/p>\n<p>\u6709\u5f88\u591aAPI\u51fd\u6570\u90fd\u5e26\u6709FromISR\u540e\u7f00\uff0c\u5e26FromISR\u540e\u7f00\u662f\u5728\u4e2d\u65ad\u51fd\u6570\u4e2d\u4e13\u7528\u7684API\u51fd\u6570 \u3002<\/p>\n<h3>\u4efb\u52a1\u6302\u8d77\u51fd\u6570<\/h3>\n<pre class=\"corepress-code-pre\"><code>void vTaskSuspend(TaskHandle_t xTaskToSuspend) ;<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1387\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-100417.png\" alt=\"\" width=\"1007\" height=\"98\" \/>\u6b64\u51fd\u6570\u7528\u4e8e\u6302\u8d77\u4efb\u52a1\uff0c\u4f7f\u7528\u65f6\u9700\u5c06\u5b8f INCLUDE_vTaskSuspend \u914d\u7f6e\u4e3a 1\u3002<\/p>\n<p>\u65e0\u8bba\u4f18\u5148\u7ea7\u5982\u4f55\uff0c\u88ab\u6302\u8d77\u7684\u4efb\u52a1\u90fd\u5c06\u4e0d\u518d\u88ab\u6267\u884c\uff0c\u76f4\u5230\u4efb\u52a1\u88ab\u6062\u590d\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u5f53\u4f20\u5165\u7684\u53c2\u6570\u4e3aNULL\uff0c\u5219\u4ee3\u8868\u6302\u8d77\u4efb\u52a1\u81ea\u8eab\uff08\u5f53\u524d\u6b63\u5728\u8fd0\u884c\u7684\u4efb\u52a1\uff09\u3002<\/p>\n<h3>\u4efb\u52a1\u6062\u590d\u51fd\u6570<\/h3>\n<pre class=\"corepress-code-pre\"><code>void vTaskResume(TaskHandle_t xTaskToResume);<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1388\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-162709.png\" alt=\"\" width=\"1025\" height=\"111\" \/><\/p>\n<p>\u4f7f\u7528\u8be5\u51fd\u6570\u6ce8\u610f\u5b8f\uff1aINCLUDE_vTaskSuspend\u5fc5\u987b\u5b9a\u4e49\u4e3a 1 \u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u4efb\u52a1\u65e0\u8bba\u88ab vTaskSuspend() \u6302\u8d77\u591a\u5c11\u6b21\uff0c\u53ea\u9700\u5728\u4efb\u52a1\u4e2d\u8c03\u7528 vTakResume() \u6062\u590d\u4e00\u6b21\uff0c\u5c31\u53ef\u4ee5\u7ee7\u7eed\u8fd0\u884c\u3002\u4e14\u88ab\u6062\u590d\u7684\u4efb\u52a1\u4f1a\u8fdb\u5165\u5c31\u7eea\u6001\uff01<\/p>\n<p>\u6211\u4eec\u7684\u4efb\u52a1\u6302\u8d77\uff0c\u662f\u4e0d\u652f\u6301\u5d4c\u5957\u7684\uff0c\u4e0d\u7ba1\u6302\u8d77\u591a\u5c11\u6b21\uff0c\u5176\u610f\u4e49\u4e0a\u548c\u6302\u8d77\u4e00\u6b21\u662f\u4e00\u6837\u7684\uff0c\u53ea\u9700\u6062\u590d\u4e00\u6b21\u5373\u53ef\u3002<\/p>\n<h3>\u4efb\u52a1\u6062\u590d\u51fd\u6570(\u4e2d\u65ad)<\/h3>\n<pre class=\"corepress-code-pre\"><code>BaseType_t xTaskResumeFromISR(TaskHandle_t xTaskToResume);<\/code><\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1389\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-162922.png\" alt=\"\" width=\"995\" height=\"101\" \/>\u51fd\u6570\u8fd4\u56de\u503cxTaskResumeFromISR\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1390\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-162957.png\" alt=\"\" width=\"990\" height=\"128\" \/><\/p>\n<p>\u4efb\u52a1\u6062\u590d\u540e\u9700\u8981\u8fdb\u884c\u4efb\u52a1\u5207\u6362\uff0c\u5927\u5bb6\u60f3\u4e00\u4e0b\uff0c\u4ec0\u4e48\u60c5\u51b5\u4e0b\u9700\u8981\u4efb\u52a1\u5207\u6362\uff1f<\/p>\n<span class=\"sc-clickshow\" title=\"\u70b9\u51fb\u663e\u793a\u6216\u9690\u85cf\">\u5c31\u662f\u4f60\u6b63\u5728\u6062\u590d\u7684\u8fd9\u4e2a\u4efb\u52a1\uff0c\u4f18\u5148\u7ea7\u5927\u4e8e\u6211\u4eec\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u4efb\u52a1\u3002\u6240\u4ee5\uff0c\u4f18\u5148\u7ea7\u9ad8\u9700\u8981\u4efb\u52a1\u5207\u6362\uff0c\u5c31\u8fd4\u56deTRUE\uff1b\u53cd\u4e4b\uff0c\u5c31\u4f1a\u8fd4\u56deFALSE\u3002\u6ce8\u610f\u8981\u624b\u52a8\u5207\u6362\uff0c\u5f53\u7136\u8fd9\u4e5f\u662fAPI\u51fd\u6570\uff0c\u4e0d\u9700\u8981\u592a\u9ebb\u70e6\u3002\u4efb\u52a1\u5207\u6362\u7684API\u51fd\u6570\u65f6portYIELD_FROM_ISR( x )<\/span>\n<p>\u4f7f\u7528\u8be5\u51fd\u6570\u6ce8\u610f\u5b8f\uff1aINCLUDE_vTaskSuspend \u548c INCLUDE_xTaskResumeFromISR \u5fc5\u987b\u5b9a\u4e49\u4e3a 1\u3002<\/p>\n<p>\u8be5\u51fd\u6570\u4e13\u7528\u4e8e\u4e2d\u65ad\u670d\u52a1\u51fd\u6570\u4e2d\uff0c\u7528\u4e8e\u89e3\u6302\u88ab\u6302\u8d77\u4efb\u52a1\u3002<\/p>\n<div class=\"sc-star-plane sc-star-plane--1\"><div class=\"sc-star-plane__content\">\u4e0d\u8981\u6df7\u6dc6\u4e2d\u65ad\u4f18\u5148\u7ea7\u548c\u4efb\u52a1\u4f18\u5148\u7ea7\u54e6\uff0c\u4e2d\u65ad\u4f18\u5148\u7ea7\u662f\u6570\u503c\u8d8a\u5c0f\u8d8a\u9ad8\uff0c\u4efb\u52a1\u4f18\u5148\u7ea7\u662f\u6570\u503c\u8d8a\u5927\u8d8a\u9ad8\u3002<\/div><\/div>\n<p>\u6ce8\u610f\uff1a\u4e2d\u65ad\u670d\u52a1\u7a0b\u5e8f\u4e2d\u8981\u8c03\u7528FreeRTOS\u7684API\u51fd\u6570\u5219\u4e2d\u65ad\u4f18\u5148\u7ea7\u4e0d\u80fd\u9ad8\u4e8eFreeRTOS\u6240\u7ba1\u7406\u7684\u6700\u9ad8\u4f18\u5148\u7ea7\uff0cFreeRTOS\u6240\u7ba1\u7406\u7684\u4e2d\u65ad\u4f18\u5148\u7ea7\u662f5~15\u3002<\/p>\n<h2>\u4efb\u52a1\u6302\u8d77\u4e0e\u6062\u590d<\/h2>\n<p>\u5b66\u4e60\u76ee\u7684\uff1a\u5b66\u4f1a \u4f7f\u7528FreeRTOS\u4e2d\u7684\u4efb\u52a1\u6302\u8d77\u4e0e\u6062\u590d\u76f8\u5173API\u51fd\u6570\uff1avTaskSuspend( )\u3001 vTaskResume( )\u3001xTaskResumeFromISR( )\u3002<\/p>\n<p>\u76ee\u6807\u8bbe\u8ba1\uff1a\u5c06\u8bbe\u8ba1\u56db\u4e2a\u4efb\u52a1\uff1astart_task\u3001task1\u3001task2\u3001task3\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1392\" src=\"https:\/\/aoofoo.com\/wp-content\/uploads\/2024\/11\/\u5c4f\u5e55\u622a\u56fe-2024-11-01-165108.png\" alt=\"\" width=\"1038\" height=\"369\" \/><\/p>\n<p>\u5176\u5b9e\uff0c\u524d\u4e09\u4e2a\u4efb\u52a1\u6211\u4eec\u524d\u9762\u7684\u8bfe\u7a0b\u90fd\u5df2\u7ecf\u5b8c\u6210\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5199task3\u5373\u53ef\uff1a<\/p>\n<p>\u6211\u4eec\u6309\u7167\u8981\u6c42\uff0c\u5148\u628a\u5b8f\u7ed9\u914d\u7f6e\u62101\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>#define INCLUDE_vTaskSuspend     1        \/* \u6302\u8d77\u4efb\u52a1 *\/<\/code><\/pre>\n<p>\u7136\u540e\u5199task3\u4efb\u52a1\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>void task3(void *pvParameters)\r\n{\r\n\tuint8_t key = 0;\r\n\twhile(1)\r\n\t{\r\n\t\tkey = Key_Scan();\r\n\t\tif(key == 1)\/\/KEY0\u6309\u4e0b\r\n\t\t{\r\n\t\t\tvTaskSuspend(task1_handler);\r\n\t\t}\r\n\t\telse if(key == 2)\/\/KEY1\u6309\u4e0b\r\n\t\t{\r\n\t\t\tvTaskResume(task1_handler);\r\n\t\t}\r\n\t\tvTaskDelay(10);\/\/\u6309\u952e\u5ef6\u65f6\r\n\t}\r\n}<\/code><\/pre>\n<p>\u6211\u4eec\u8fd8\u9700\u8981\u5b8c\u6210\u5269\u4e0b\u7684\u4e00\u4e2a\u529f\u80fd\uff0c\u5c31\u662f\u6309\u4e0bKEY2\uff0c\u5728\u4e2d\u65ad\u4e2d\u6062\u590dtask1\uff1a<\/p>\n<p>\u9996\u5148\uff0c\u6309\u952e\u662f\u5916\u90e8\u4e2d\u65ad\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u521d\u59cb\u5316EXTI\uff0c\u4e0b\u9762\u662f\u521d\u59cb\u5316EXTI\u7684\u4ee3\u7801\uff1a<\/p>\n<div class=\"sc-collapse\"><div class=\"sc-collapse__header\"><svg class=\"sc-collapse__arrow\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"6 9 12 15 18 9\"\/><\/svg>EXTI\u521d\u59cb\u5316\u4ee3\u7801<\/div><div class=\"sc-collapse__body\"><div class=\"sc-collapse__content\"><\/p>\n<p>\u6ce8\u610f\u4f18\u5148\u7ea7\u7684\u8bbe\u7f6e\uff0cFreeRTOS\u662f\u770b\u62a2\u5360\u5f0f\u4e2d\u65ad\u4f18\u5148\u7ea7\uff0c\u5fc5\u987b\u662f5~15\u4e4b\u95f4\uff0c\u5373NVIC\u7684\u5206\u7ec4\u65b9\u5f0f\u8981\u9009\u62e9NVIC_PriorityGroup_4\uff0c\u4ee3\u8868\u90fd\u662f\u62a2\u5360\u5f0f\uff0c\u6ca1\u6709\u5b50\u4f18\u5148\u7ea7\uff0c\u800c\u4e14\u62a2\u5360\u5f0f\u8981\u9009\u62e9\u57285~15\u4e4b\u95f4\u3002<\/p>\n<pre class=\"corepress-code-pre\"><code>void Key2_EXTI_Init(void)\r\n{\r\n\t\/\/\u5f00\u542fGPIOE\u65f6\u949f\r\n\tRCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE,ENABLE);\r\n\t\/\/\u914d\u7f6eGPIOE\r\n\tGPIO_InitTypeDef GPIO_InitStructure;\r\n  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;\/\/KEY2\r\n  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;\/\/\u8f93\u5165\u6a21\u5f0f\r\n  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; \/\/ \u4e0a\u62c9\r\n  GPIO_Init(GPIOE, &amp;GPIO_InitStructure);\t\r\n\t\r\n  \/\/\u521b\u5efa\u51fa\u4e00\u4e2aEXTI\u7ed3\u6784\u4f53\u3002\r\n\tEXTI_InitTypeDef EXTI_InitStructure;\t\r\n  \/\/\u6307\u5b9a\u8981\u4f7f\u80fd\u6216\u7981\u7528\u7684EXTI\u7ebf\u8def\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTI_Lines \u7684\u4efb\u610f\u7ec4\u5408\u3002\r\n \tEXTI_InitStructure.EXTI_Line=EXTI_Line2;\r\n  \/\/\u6307\u5b9a\u6240\u9009EXTI\u7ebf\u8def\u7684\u65b0\u72b6\u6001\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u8bbe\u7f6e\u4e3a ENABLE \u6216 DISABLE \u3002\r\n\tEXTI_InitStructure.EXTI_LineCmd=ENABLE;\r\n  \/\/ \u6307\u5b9aEXTI\u7ebf\u8def\u7684\u6a21\u5f0f\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTIMod_TypeDef \u7684\u4e00\u4e2a\u503c \u3002\r\n\tEXTI_InitStructure.EXTI_Mode=EXTI_Mode_Interrupt;\r\n  \/\/\u6307\u5b9aEXTI\u7ebf\u8def\u7684\u89e6\u53d1\u4fe1\u53f7\u6709\u6548\u8fb9\u6cbf\u3002\u6b64\u53c2\u6570\u53ef\u4ee5\u662f @ref EXTITrigger_TypeDef \u7684\u4e00\u4e2a\u503c \u3002\r\n\tEXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;\r\n  \/\/\u6839\u636e EXTI_InitStruct \u4e2d\u6307\u5b9a\u7684\u53c2\u6570\u521d\u59cb\u5316 EXTI \u5916\u8bbe\u3002\r\n\tEXTI_Init(&amp;EXTI_InitStructure);\r\n\r\n\t\/\/\u8bbe\u7f6e\u672c\u7a0b\u5e8f\u7684\u5206\u7ec4\u65b9\u5f0f\r\n\tNVIC_PriorityGroupConfig(NVIC_PriorityGroup_4); \r\n\t\r\n\tNVIC_InitTypeDef NVIC_InitStructure;\r\n\tNVIC_InitStructure.NVIC_IRQChannel=EXTI2_IRQn;\r\n\tNVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;\r\n\tNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=5;\r\n\tNVIC_InitStructure.NVIC_IRQChannelSubPriority=0;\r\n\tNVIC_Init(&amp;NVIC_InitStructure);\r\n}<\/code><\/pre>\n<p><\/div><\/div><\/div>\n<p>\u7136\u540e\u6211\u4eec\u9700\u8981\u628aFreeRTOSConfig\u4e2d\u7684\u5b8f\u914d\u7f6e\u4e00\u4e0b\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>#define INCLUDE_xTaskResumeFromISR  1      \/* \u6062\u590d\u5728\u4e2d\u65ad\u4e2d\u6302\u8d77\u7684\u4efb\u52a1 *\/<\/code><\/pre>\n<p>\u7136\u540e\u5199\u6211\u4eec\u7684\u4e2d\u65ad\u51fd\u6570EXTI2_IRQHandler\uff1a<\/p>\n<pre class=\"corepress-code-pre\"><code>EXTI2_IRQHandler(void) \r\n{\r\n  if (EXTI_GetITStatus(EXTI_Line2) != RESET) { \/\/ \u68c0\u67e5\u6307\u5b9a\u7684 EXTI \u7ebf\u8def\u4e2d\u65ad\u662f\u5426\u53d1\u751f\r\n        if (GPIO_ReadInputDataBit(GPIOE, GPIO_Pin_2) == 0) \r\n\t\t\t\t\t{\r\n            BaseType_t xYieldRequired;\r\n            xYieldRequired = xTaskResumeFromISR(task1_handler);\r\n\r\n            if (xYieldRequired == pdTRUE) {\r\n                portYIELD_FROM_ISR(xYieldRequired);\r\n           }\r\n      }  \r\n        EXTI_ClearITPendingBit(EXTI_Line2); \/\/ \u6e05\u9664 EXTI \u7ebf\u8def\u6302\u8d77\u4f4d\r\n    }\r\n}<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u5c31\u5b8c\u7f8e\u5b9e\u73b0\u4e86\u6211\u4eec\u7684\u76ee\u6807\u529f\u80fd\uff0c\u4e0d\u8fc7\u8bb0\u5f97\u5728\u4e3b\u903b\u8f91\u51fd\u6570\u4e2d\u521d\u59cb\u5316EXTI\u54e6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4efb\u52a1\u6302\u8d77\u4e0e\u6062\u590dAPI \u6302\u8d77\u4efb\u52a1\u548c\u5220\u9664\u4efb\u52a1\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f \u6302\u8d77\u4efb\u52a1\u7c7b\u4f3c\u6682\u505c\uff0c\u53ef\u6062\u590d\uff1b \u5220\u9664\u4efb\u52a1\uff0c\u65e0\u6cd5\u6062\u590d\uff0c\u7c7b\u4f3c\u201c\u4eba [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-1385","post","type-post","status-publish","format-standard","hentry","category-rtos"],"_links":{"self":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/comments?post=1385"}],"version-history":[{"count":3,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1385\/revisions"}],"predecessor-version":[{"id":1396,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/posts\/1385\/revisions\/1396"}],"wp:attachment":[{"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/media?parent=1385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/categories?post=1385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aoofoo.com\/index.php\/wp-json\/wp\/v2\/tags?post=1385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}