{"id":27998,"date":"2024-03-16T09:34:28","date_gmt":"2024-03-16T09:34:28","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-achieve-microsecond-level-delay-in-c-language\/"},"modified":"2024-03-22T12:23:17","modified_gmt":"2024-03-22T12:23:17","slug":"how-to-achieve-microsecond-level-delay-in-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-achieve-microsecond-level-delay-in-c-language\/","title":{"rendered":"How to achieve microsecond-level delay in C language?"},"content":{"rendered":"<p>In the C language, the usleep() function can be used to achieve microsecond-level delays. The prototype of the usleep() function is as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;unistd.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">usleep<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">useconds_t<\/span> usec)<\/span>;\r\n<\/code><\/pre>\n<p>The usleep() function suspends the process for a specified number of microseconds, essentially creating a delay at the microsecond level. The parameter usec represents the number of microseconds to delay.<\/p>\n<p>Here is an example of implementing microsecond-level delay using the usleep() function.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;unistd.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> delayTime = <span class=\"hljs-number\">1000000<\/span>; <span class=\"hljs-comment\">\/\/ \u5ef6\u65f61\u79d2<\/span>\r\n    usleep(delayTime);\r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u5ef6\u65f6\u7ed3\u675f\\n\"<\/span>);\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the example above, suspending the process for 1 second using the usleep() function, and then outputting &#8220;Delay End&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the C language, the usleep() function can be used to achieve microsecond-level delays. The prototype of the usleep() function is as follows: #include &lt;unistd.h&gt; int usleep(useconds_t usec); The usleep() function suspends the process for a specified number of microseconds, essentially creating a delay at the microsecond level. The parameter usec represents the number of [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-27998","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to achieve microsecond-level delay in C language? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-achieve-microsecond-level-delay-in-c-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to achieve microsecond-level delay in C language?\" \/>\n<meta property=\"og:description\" content=\"In the C language, the usleep() function can be used to achieve microsecond-level delays. The prototype of the usleep() function is as follows: #include &lt;unistd.h&gt; int usleep(useconds_t usec); The usleep() function suspends the process for a specified number of microseconds, essentially creating a delay at the microsecond level. 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