{"id":3833,"date":"2025-08-03T19:56:00","date_gmt":"2025-08-03T11:56:00","guid":{"rendered":"https:\/\/saludpcb.com\/zh\/?p=3833"},"modified":"2025-09-26T06:15:31","modified_gmt":"2025-09-25T22:15:31","slug":"rtos-ipc","status":"publish","type":"post","link":"https:\/\/saludpcb.com\/zh\/rtos-ipc\/","title":{"rendered":"2025 RTOS IPC \u5927\u89e3\u5bc6 | \u4e00\u6b21\u641e\u61c2\u5f9e\u4efb\u52d9\u6e9d\u901a\u5230\u6548\u80fd\u63d0\u5347\uff01"},"content":{"rendered":"\n<hr class=\"wp-block-separator alignwide has-text-color has-palette-color-1-color has-alpha-channel-opacity has-palette-color-1-background-color has-background is-style-wide\"\/>\n\n\n\n<p>RTOS\uff08\u5373\u6642\u4f5c\u696d\u7cfb\u7d71\uff09\u662f\u5d4c\u5165\u5f0f\u958b\u767c\u7684\u6838\u5fc3\u6280\u8853\uff0c\u800c\u4efb\u52d9\u9593\u901a\u8a0a\uff08IPC\uff09\u5247\u662f\u5be6\u73fe\u591a\u4efb\u52d9\u5354\u4f5c\u7684\u95dc\u9375\u3002\u6b63\u78ba\u904b\u7528 IPC \u6280\u8853\uff0c\u80fd\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u907f\u514d\u8cc7\u6599\u7af6\u722d\u8207\u4efb\u52d9\u885d\u7a81\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u4f86\u5c07\u5e36\u4f60\u6df1\u5165\u7406\u89e3 RTOS IPC \u7684\u57fa\u672c\u539f\u7406\u8207\u8a2d\u8a08\u6a21\u5f0f\uff0c\u4e26\u900f\u904e FreeRTOS \u5be6\u4f5c\u7bc4\u4f8b\uff0c\u6574\u5408 Queue\u3001Mutex\u3001Event Group \u7b49\u6a5f\u5236\uff0c\u5354\u52a9\u4f60\u6253\u9020\u9ad8\u6548\u4e14\u53ef\u9760\u7684\u591a\u4efb\u52d9\u7cfb\u7d71\u67b6\u69cb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/08\/Crack-the-Secrets-of-RTOS-IPC-in-2025-All-in-One-Guide-2.jpg\" alt=\"RTOS IPC\" class=\"wp-image-3857\" title=\"\" srcset=\"https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/08\/Crack-the-Secrets-of-RTOS-IPC-in-2025-All-in-One-Guide-2.jpg 1024w, https:\/\/saludpcb.com\/zh\/wp-content\/uploads\/2025\/08\/Crack-the-Secrets-of-RTOS-IPC-in-2025-All-in-One-Guide-2-768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u5167\u5bb9<\/h2><nav><ul><li class=\"\"><a href=\"#fir\">\u4ec0\u9ebc\u662f RTOS IPC\uff1f<\/a><\/li><li class=\"\"><a href=\"#esp-dsp--fir\">FreeRTOS \u7684 IPC \u662f\u4ec0\u9ebc\uff1f<\/a><\/li><li class=\"\"><a href=\"#\u74b0\">\u958b\u767c\u74b0\u5883<\/a><\/li><li class=\"\"><a href=\"#\u5c08\u6848\u7d50\u69cb\">\u5c08\u6848\u7d50\u69cb<\/a><\/li><li class=\"\"><a href=\"#free-rtos-ipc-\u5be6\u6230\u7bc4\u4f8b\uff1a-esp-32-\u591a\u4efb\u52d9\u901a\u4fe1\u7cfb\u7d71\">FreeRTOS IPC \u5be6\u6230\u7bc4\u4f8b<\/a><\/li><li class=\"\"><a href=\"#\u548c\">\u7a0b\u5f0f\u8aaa\u660e<\/a><\/li><li class=\"\"><a href=\"#\u7de8\u8b6f\u548c\u71d2\u9304-1\">\u7de8\u8b6f\u548c\u71d2\u9304<\/a><\/li><li class=\"\"><a href=\"#\u8f38\u51fa\u8207\u6e2c\u8a66\u7d50\u679c\">\u8f38\u51fa\u7d50\u679c<\/a><\/li><li class=\"\"><a href=\"#\u7d50\u8ad6\">\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"fir\">\u4ec0\u9ebc\u662f RTOS IPC\uff1f<\/h2>\n\n\n\n<p>IPC (Inter-Process Communication\uff0c\u9032\u7a0b\u9593\u901a\u4fe1) \u662f\u6307\u5728\u4e0d\u540c\u9032\u7a0b\u6216\u4efb\u52d9\u4e4b\u9593\u50b3\u905e\u6578\u64da\u6216\u540c\u6b65\u57f7\u884c\u7684\u6a5f\u5236\u3002\u5728\u5d4c\u5165\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7531\u65bc\u8cc7\u6e90\u6709\u9650\u4e14\u7d93\u5e38\u9700\u8981\u591a\u4efb\u52d9\u5354\u540c\u5de5\u4f5c\uff0cIPC \u6a5f\u5236\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n\n\n\n<p>IPC \u7684\u4e3b\u8981\u76ee\u7684\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8cc7\u6e90\u7ba1\u7406<\/strong>\uff1a\u5b89\u5168\u5730\u5171\u4eab\u6709\u9650\u7684\u7cfb\u7d71\u8cc7\u6e90<\/li>\n\n\n\n<li><strong>\u6578\u64da\u5171\u4eab<\/strong>\uff1a\u8b93\u4e0d\u540c\u4efb\u52d9\u80fd\u5920\u4ea4\u63db\u4fe1\u606f<\/li>\n\n\n\n<li><strong>\u4efb\u52d9\u540c\u6b65<\/strong>\uff1a\u5354\u8abf\u591a\u500b\u4efb\u52d9\u7684\u57f7\u884c\u9806\u5e8f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"esp-dsp--fir\">FreeRTOS \u7684 IPC \u662f\u4ec0\u9ebc\uff1f<\/h2>\n\n\n\n<p>FreeRTOS \u4f5c\u70ba\u4e00\u500b\u5be6\u6642\u64cd\u4f5c\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e IPC \u6a5f\u5236\u4f86\u5be6\u73fe\u4efb\u52d9\u9593\u7684\u901a\u4fe1\u8207\u540c\u6b65\u3002\u7531\u65bc FreeRTOS \u662f\u8a2d\u8a08\u7528\u65bc\u8cc7\u6e90\u53d7\u9650\u7684\u5d4c\u5165\u5f0f\u7cfb\u7d71\uff0c\u5176 IPC \u6a5f\u5236\u5177\u6709\u8f15\u91cf\u7d1a\u3001\u9ad8\u6548\u80fd\u7684\u7279\u9ede\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/www.freertos.org\/\" target=\"_blank\" rel=\"noopener\">FreeRTOS<\/a> \u63d0\u4f9b\u7684\u4e3b\u8981 IPC \u6a5f\u5236\uff1a<\/p>\n\n\n\n<p><strong>\u968a\u5217 (Queues)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u57fa\u672c\u7684\u901a\u4fe1\u6a5f\u5236\uff0c\u5141\u8a31\u4efb\u52d9\u9593\u767c\u9001\u56fa\u5b9a\u5927\u5c0f\u7684\u6578\u64da<\/li>\n\n\n\n<li>\u652f\u6301\u591a\u500b\u767c\u9001\u8005\u548c\u63a5\u6536\u8005<\/li>\n\n\n\n<li>\u53ef\u914d\u7f6e\u968a\u5217\u9577\u5ea6<\/li>\n\n\n\n<li>\u63d0\u4f9b\u963b\u585e\u548c\u975e\u963b\u585e\u9078\u9805<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e8c\u9032\u5236\u4fe1\u865f\u91cf (Binary Semaphores)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u65bc\u4efb\u52d9\u540c\u6b65<\/li>\n\n\n\n<li>\u53ea\u6709 0 \u548c 1 \u5169\u7a2e\u72c0\u614b<\/li>\n\n\n\n<li>\u5e38\u7528\u65bc\u4e2d\u65b7\u670d\u52d9\u7a0b\u5e8f (ISR) \u8207\u4efb\u52d9\u9593\u7684\u540c\u6b65<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8a08\u6578\u4fe1\u865f\u91cf (Counting Semaphores)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u985e\u4f3c\u4e8c\u9032\u5236\u4fe1\u865f\u91cf\uff0c\u4f46\u8a08\u6578\u503c\u53ef\u4ee5\u5927\u65bc1<\/li>\n\n\n\n<li>\u7528\u65bc\u7ba1\u7406\u6709\u9650\u8cc7\u6e90\u7684\u8a2a\u554f<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e92\u65a5\u9396 (Mutexes)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7279\u6b8a\u7684\u4e8c\u9032\u5236\u4fe1\u865f\u91cf\uff0c\u5177\u6709\u512a\u5148\u7d1a\u7e7c\u627f\u6a5f\u5236<\/li>\n\n\n\n<li>\u7528\u65bc\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\uff0c\u9632\u6b62\u591a\u500b\u4efb\u52d9\u540c\u6642\u8a2a\u554f<\/li>\n\n\n\n<li>\u89e3\u6c7a\u512a\u5148\u7d1a\u53cd\u8f49\u554f\u984c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u905e\u6b78\u4e92\u65a5\u9396 (Recursive Mutexes)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5141\u8a31\u540c\u4e00\u4efb\u52d9\u591a\u6b21\u7372\u53d6\u9396\u800c\u4e0d\u6b7b\u9396<\/li>\n\n\n\n<li>\u5fc5\u9808\u91cb\u653e\u76f8\u540c\u6b21\u6578\u624d\u80fd\u5b8c\u5168\u91cb\u653e<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4e8b\u4ef6\u7d44 (Event Groups)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5141\u8a31\u4efb\u52d9\u7b49\u5f85\u591a\u500b\u4e8b\u4ef6\u7684\u7d44\u5408<\/li>\n\n\n\n<li>\u6bcf\u500b\u4e8b\u4ef6\u7531\u4e00\u500b\u4f4d\u8868\u793a<\/li>\n\n\n\n<li>\u9ad8\u6548\u5be6\u73fe\u8907\u96dc\u7684\u540c\u6b65\u6a21\u5f0f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u74b0\">\u958b\u767c\u74b0\u5883<\/h2>\n\n\n\n<p>\u5728\u958b\u59cb\u7de8\u7a0b\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u5df2\u5b8c\u6210\u4ee5\u4e0b\u6e96\u5099\u5de5\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/saludpcb.com\/zh\/esp32-tutorial-how-to-create-an-esp32-project-with-vscode\/\">\u5b89\u88dd ESP-IDF \u958b\u767c\u74b0\u5883<\/a> (\u81f3\u5c11\u7248\u672c v5.x \u6216\u66f4\u9ad8)\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/saludpcb.com\/zh\/esp32-devkit-module-pinout\/\">ESP32 \u958b\u767c\u677f<\/a>\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5c08\u6848\u7d50\u69cb\">\u5c08\u6848\u7d50\u69cb<\/h2>\n\n\n\n<p>\u9019\u662f ESP-IDF \u9810\u8a2d\u7684\u5c08\u6848\u7d50\u69cb\u4e4b\u4e00\u3002\u7576\u4f60\u4f7f\u7528 <code>idf.py create-project<\/code> \u6307\u4ee4\uff0c\u6216\u900f\u904e VS Code \u7684\u5b98\u65b9 ESP-IDF \u64f4\u5145\u5957\u4ef6\u5efa\u7acb\u65b0\u5c08\u6848\u6642\uff0c\u901a\u5e38\u6703\u770b\u5230\u9019\u6a23\u7684\u914d\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\"><code>esp32-ipc\/\n\u251c\u2500\u2500 CMakeLists.txt\n\u251c\u2500\u2500 main\/\n\u2502   \u251c\u2500\u2500 CMakeLists.txt\n\u2502   \u2514\u2500\u2500 ipc_example.c\n\u2514\u2500\u2500 sdkconfig<\/code><\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CMakeLists.txt<\/strong>\uff1a\u5c08\u6848\u7684\u4e3b\u8981\u5efa\u69cb\u8a2d\u5b9a\u6a94\uff0c\u8ca0\u8cac\u63cf\u8ff0\u6574\u9ad4\u7684 build \u7d50\u69cb\u8207\u4f9d\u8cf4\u3002<\/li>\n\n\n\n<li><strong>main\/<\/strong>\uff1a\u5305\u542b\u61c9\u7528\u5c64\u7684\u4e3b\u8981\u7a0b\u5f0f\u78bc\u3002<\/li>\n\n\n\n<li><strong>ipc_example.c<\/strong>\uff1a\u672c\u7bc4\u4f8b\u7684\u6838\u5fc3\u7a0b\u5f0f\uff0c\u5be6\u4f5c RTOS IPC \u7684\u76f8\u95dc\u908f\u8f2f\uff08\u5982 Queue\u3001Semaphore\u3001Event Group \u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>sdkconfig<\/strong>\uff1a\u7531 <code>menuconfig<\/code> \u5de5\u5177\u81ea\u52d5\u7522\u751f\u7684\u8a2d\u5b9a\u6a94\uff0c\u7528\u65bc\u5132\u5b58\u76ee\u524d\u5c08\u6848\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6b64\u7d50\u69cb\u7b26\u5408 ESP-IDF \u7684\u5efa\u8b70\u958b\u767c\u65b9\u5f0f\uff0c\u5177\u5099\u826f\u597d\u7684\u6a21\u7d44\u5316\u8207\u53ef\u7dad\u8b77\u6027\uff0c\u65b9\u4fbf\u65e5\u5f8c\u64f4\u5145\u8207\u7ba1\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"free-rtos-ipc-\u5be6\u6230\u7bc4\u4f8b\uff1a-esp-32-\u591a\u4efb\u52d9\u901a\u4fe1\u7cfb\u7d71\">FreeRTOS IPC \u5be6\u6230\u7bc4\u4f8b<\/h2>\n\n\n\n<p>\u9019\u662f\u4e00\u500b <strong>FreeRTOS IPC \u5be6\u6230\u7bc4\u4f8b<\/strong>\uff0c\u793a\u7bc4\u4e86\u4e09\u7a2e\u5e38\u898b\u7684\u4efb\u52d9\u9593\u901a\u8a0a\u6a5f\u5236\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u6574\u5408\u8207\u5354\u4f5c\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Queue\uff08\u4f47\u5217\uff09<\/strong>\uff1a\u8ca0\u8cac\u5728\u4efb\u52d9\u4e4b\u9593\u50b3\u905e\u8cc7\u6599<\/li>\n\n\n\n<li><strong>Mutex\uff08\u4e92\u65a5\u9396\uff09<\/strong>\uff1a\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\uff0c\u907f\u514d\u7af6\u722d\u689d\u4ef6<\/li>\n\n\n\n<li><strong>Event Group\uff08\u4e8b\u4ef6\u7d44\uff09<\/strong>\uff1a\u5be6\u73fe\u4efb\u52d9\u9593\u7684\u540c\u6b65\u8207\u72c0\u614b\u5354\u8abf<\/li>\n<\/ul>\n\n\n\n<p>\u900f\u904e\u4e09\u500b\u7368\u7acb\u7684\u4efb\u52d9\uff1a\u751f\u7522\u8005\u3001\u6d88\u8cbb\u8005\u8207\u76e3\u63a7\u8005\uff0c\u4f86\u5c55\u793a\u5982\u4f55\u6709\u6548\u5730\u904b\u7528\u4e0a\u8ff0 IPC \u6a5f\u5236\uff0c\u6253\u9020\u9ad8\u6548\u4e14\u7a69\u5b9a\u7684\u591a\u4efb\u52d9\u7cfb\u7d71\u67b6\u69cb\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"cpp\" class=\"language-cpp\">#include &lt;stdio.h&gt;\n#include \"freertos\/FreeRTOS.h\"\n#include \"freertos\/task.h\"\n#include \"freertos\/queue.h\"\n#include \"freertos\/semphr.h\"\n#include \"freertos\/event_groups.h\"\n#include \"esp_log.h\"\n\n\/\/ Define logging tag\nstatic const char* TAG = \"IPC_DEMO\";\n\n\/\/ Event group bit flags definition\n#define TASK_1_BIT (1 &lt;&lt; 0)\n#define TASK_2_BIT (1 &lt;&lt; 1)\n#define ALL_SYNC_BITS (TASK_1_BIT | TASK_2_BIT)\n\n\/\/ Global IPC objects\nQueueHandle_t xQueue;\nSemaphoreHandle_t xMutex;\nEventGroupHandle_t xEventGroup;\n\n\/\/ Producer task implementation\nvoid vProducerTask(void *pvParameters) {\n    int32_t lValue = 0;\n    \n    while(1) {\n        \/\/ Increment value to be sent\n        lValue++;\n        \n        \/\/ Protect shared resource with mutex\n        if(xSemaphoreTake(xMutex, pdMS_TO_TICKS(100))) {\n            ESP_LOGI(TAG, \"Producer: Sending value %d\", lValue);\n            \n            \/\/ Send data through queue\n            if(xQueueSend(xQueue, &amp;lValue, pdMS_TO_TICKS(10))) {\n                ESP_LOGD(TAG, \"Producer: Value %d sent to queue\", lValue);\n            }\n            \n            xSemaphoreGive(xMutex);\n        }\n        \n        \/\/ Signal completion to event group\n        xEventGroupSetBits(xEventGroup, TASK_1_BIT);\n        \n        \/\/ Wait for all tasks to synchronize\n        xEventGroupWaitBits(xEventGroup, ALL_SYNC_BITS, pdTRUE, pdTRUE, portMAX_DELAY);\n        \n        vTaskDelay(pdMS_TO_TICKS(500));\n    }\n}\n\n\/\/ Consumer task implementation\nvoid vConsumerTask(void *pvParameters) {\n    int32_t lReceivedValue;\n    \n    while(1) {\n        \/\/ Receive data from queue\n        if(xQueueReceive(xQueue, &amp;lReceivedValue, pdMS_TO_TICKS(100))) {\n            ESP_LOGI(TAG, \"Consumer: Received value %d\", lReceivedValue);\n        }\n        \n        \/\/ Signal completion to event group\n        xEventGroupSetBits(xEventGroup, TASK_2_BIT);\n        \n        vTaskDelay(pdMS_TO_TICKS(300));\n    }\n}\n\n\/\/ System monitoring task\nvoid vMonitorTask(void *pvParameters) {\n    while(1) {\n        \/\/ Log queue status\n        ESP_LOGI(TAG, \"Monitor: Queue spaces left %d\", uxQueueSpacesAvailable(xQueue));\n        \n        \/\/ Log mutex status\n        ESP_LOGI(TAG, \"Monitor: Mutex holder %s\", \n               xSemaphoreGetMutexHolder(xMutex) == NULL ? \"None\" : \"Held\");\n        \n        \/\/ Log event group status\n        EventBits_t uxBits = xEventGroupGetBits(xEventGroup);\n        ESP_LOGI(TAG, \"Monitor: Event bits - Task1: %d, Task2: %d\", \n               (uxBits &amp; TASK_1_BIT) ? 1 : 0,\n               (uxBits &amp; TASK_2_BIT) ? 1 : 0);\n        \n        vTaskDelay(pdMS_TO_TICKS(1000));\n    }\n}\n\n\/\/ Main application entry point\nvoid app_main(void) {\n    \/\/ Set default log level\n    esp_log_level_set(TAG, ESP_LOG_INFO);\n    \n    \/\/ Initialize IPC objects\n    xQueue = xQueueCreate(5, sizeof(int32_t));\n    xMutex = xSemaphoreCreateMutex();\n    xEventGroup = xEventGroupCreate();\n    \n    \/\/ Verify object creation\n    if(xQueue == NULL || xMutex == NULL || xEventGroup == NULL) {\n        ESP_LOGE(TAG, \"IPC object creation failed\");\n        return;\n    }\n    \n    \/\/ Create all tasks\n    if(xTaskCreate(vProducerTask, \"Producer\", 2048, NULL, 2, NULL) != pdPASS ||\n       xTaskCreate(vConsumerTask, \"Consumer\", 2048, NULL, 1, NULL) != pdPASS ||\n       xTaskCreate(vMonitorTask, \"Monitor\", 2048, NULL, 1, NULL) != pdPASS) {\n        ESP_LOGE(TAG, \"Task creation failed\");\n        return;\n    }\n    \n    ESP_LOGI(TAG, \"FreeRTOS IPC Demo Started\");\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u548c\">\u7a0b\u5f0f\u8aaa\u660e<\/h2>\n\n\n\n<p><strong>Producer Task\uff08\u751f\u7522\u8005\uff09<\/strong><br>\u7522\u751f\u6574\u6578\u8cc7\u6599\uff0c\u900f\u904e <code>xQueueSend()<\/code> \u50b3\u9001\u7d66 Consumer\u3002\u4f7f\u7528 <code>xSemaphoreTake()<\/code> \/ <code>xSemaphoreGive()<\/code> \u900f\u904e Mutex \u4fdd\u8b77\u81e8\u754c\u5340\uff0c\u4e26\u4ee5 <code>xEventGroupSetBits()<\/code> \u901a\u77e5\u4efb\u52d9\u5b8c\u6210\u3002\u4f7f\u7528 <code>xEventGroupWaitBits()<\/code> \u540c\u6b65\u5176\u4ed6\u4efb\u52d9\u3002<\/p>\n\n\n\n<p><strong>Consumer Task\uff08\u6d88\u8cbb\u8005\uff09<\/strong><br>\u900f\u904e <code>xQueueReceive()<\/code> \u5f9e Queue \u63a5\u6536\u8cc7\u6599\u4e26\u8655\u7406\u3002\u5b8c\u6210\u4efb\u52d9\u5f8c\u7528 <code>xEventGroupSetBits()<\/code> \u8a2d\u5b9a\u65d7\u6a19\uff0c\u5354\u52a9\u540c\u6b65\u3002<\/p>\n\n\n\n<p><strong>Monitor Task\uff08\u76e3\u63a7\u8005\uff09<\/strong><br>\u6bcf\u79d2\u6aa2\u67e5\u7cfb\u7d71\u72c0\u614b\uff0c\u4f7f\u7528 <code>uxQueueSpacesAvailable()<\/code> \u67e5\u8a62 Queue \u7a7a\u9593\u3001<code>xSemaphoreGetMutexHolder()<\/code> \u986f\u793a Mutex \u72c0\u614b\u3001<code>xEventGroupGetBits()<\/code> \u8b80\u53d6\u4efb\u52d9\u540c\u6b65\u65d7\u6a19\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u7de8\u8b6f\u548c\u71d2\u9304-1\">\u7de8\u8b6f\u548c\u71d2\u9304<\/h2>\n\n\n\n<p>\u5b8c\u6210\u7a0b\u5f0f\u78bc\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <a href=\"https:\/\/www.espressif.com\/en\/products\/sdks\/esp-idf\" target=\"_blank\" rel=\"noopener\">ESP-IDF<\/a> \u63d0\u4f9b\u7684\u547d\u4ee4\u9032\u884c\u7de8\u8b6f\u3001\u71d2\u9304\u548c\u76e3\u63a7\u3002<\/p>\n\n\n\n<p>\u5728 VS Code \u7684\u5de6\u4e0b\u89d2 ESP-IDF \u5de5\u5177\u5217\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ede\u9078 <strong>Build project<\/strong><\/li>\n\n\n\n<li>\u9ede\u9078 <strong>Flash device<\/strong><\/li>\n\n\n\n<li>\u9ede\u9078 <strong>Monitor device<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8f38\u51fa\u8207\u6e2c\u8a66\u7d50\u679c\">\u8f38\u51fa\u7d50\u679c<\/h2>\n\n\n\n<p>\u7cfb\u7d71\u555f\u52d5\u5f8c\uff0c\u5c07\u5728\u4e32\u53e3\u76e3\u8996\u5668\u4e2d\u770b\u5230\u985e\u4f3c\u4ee5\u4e0b\u8f38\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">I (123) IPC_DEMO: FreeRTOS IPC Demo Started\nI (623) IPC_DEMO: Producer: Sending value 1\nD (623) IPC_DEMO: Producer: Value 1 sent to queue\nI (723) IPC_DEMO: Consumer: Received value 1\nI (1623) IPC_DEMO: Monitor: Queue spaces left 4\nI (1623) IPC_DEMO: Monitor: Mutex holder None\nI (1623) IPC_DEMO: Monitor: Event bits - Task1: 1, Task2: 1\nI (2123) IPC_DEMO: Producer: Sending value 2\nD (2123) IPC_DEMO: Producer: Value 2 sent to queue\nI (2223) IPC_DEMO: Consumer: Received value 2\nI (2623) IPC_DEMO: Monitor: Queue spaces left 4\nI (2623) IPC_DEMO: Monitor: Mutex holder None\nI (2623) IPC_DEMO: Monitor: Event bits - Task1: 1, Task2: 1\nI (3123) IPC_DEMO: Producer: Sending value 3\nD (3123) IPC_DEMO: Producer: Value 3 sent to queue\nI (3223) IPC_DEMO: Consumer: Received value 3\n...<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u7d50\u8ad6\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u900f\u904e\u672c\u6587\uff0c\u6211\u5011\u4e00\u6b21\u6574\u5408\u4e86 FreeRTOS \u4e2d\u6700\u5e38\u898b\u7684 IPC \u6280\u8853\uff1a<strong>Queue\u3001Mutex \u8207 Event Group<\/strong>\uff0c\u4e26\u6e05\u695a\u5c55\u793a\u5b83\u5011\u5728\u4efb\u52d9\u9593\u8cc7\u6599\u50b3\u905e\u3001\u8cc7\u6e90\u4fdd\u8b77\u8207\u540c\u6b65\u5354\u8abf\u4e2d\u7684\u5be6\u969b\u61c9\u7528\u3002<\/p>\n\n\n\n<p>\u9019\u6a23\u7684\u67b6\u69cb\u4e0d\u50c5\u63d0\u5347\u4e86\u7cfb\u7d71\u7684\u53ef\u8b80\u6027\u8207\u7a69\u5b9a\u6027\uff0c\u4e5f\u8b93\u591a\u4efb\u52d9\u9593\u7684\u5354\u4f5c\u66f4\u6709\u689d\u7406\uff0c\u9069\u7528\u65bc\u5404\u985e\u5d4c\u5165\u5f0f\u958b\u767c\u60c5\u5883\u3002\u4e0d\u8ad6\u662f\u521d\u5b78\u8005\u60f3\u4e86\u89e3 IPC \u6a5f\u5236\uff0c\u9084\u662f\u9032\u968e\u958b\u767c\u8005\u5e0c\u671b\u512a\u5316\u4efb\u52d9\u8a2d\u8a08\uff0c\u9019\u500b\u7bc4\u4f8b\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u53c3\u8003\u57fa\u790e\u3002<\/p>\n\n\n\n<p>\u638c\u63e1\u9019\u4e9b\u6838\u5fc3\u6982\u5ff5\uff0c\u5c07\u80fd\u5e6b\u52a9\u4f60\u5728\u65e5\u5f8c\u8a2d\u8a08\u66f4\u53ef\u9760\u3001\u9ad8\u6548\u7684 RTOS \u7cfb\u7d71\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator alignwide has-text-color has-palette-color-1-color has-alpha-channel-opacity has-palette-color-1-background-color has-background is-style-wide\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RTOS\uff08\u5373\u6642\u4f5c\u696d\u7cfb\u7d71\uff09\u662f\u5d4c\u5165\u5f0f\u958b\u767c\u7684\u6838\u5fc3\u6280\u8853\uff0c\u800c\u4efb\u52d9\u9593\u901a\u8a0a\uff08IPC\uff09\u5247\u662f\u5be6\u73fe\u591a\u4efb\u52d9\u5354\u4f5c\u7684\u95dc\u9375\u3002\u6b63\u78ba\u904b\u7528 IP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3857,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[27,21,44,9,86,11],"class_list":["post-3833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rtos","tag-c","tag-ide","tag-programming-language","tag-python","tag-rtos","tag-tutorial"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/comments?post=3833"}],"version-history":[{"count":19,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3833\/revisions"}],"predecessor-version":[{"id":3863,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/posts\/3833\/revisions\/3863"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/media\/3857"}],"wp:attachment":[{"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/media?parent=3833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/categories?post=3833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saludpcb.com\/zh\/wp-json\/wp\/v2\/tags?post=3833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}