{"id":12572,"date":"2024-03-14T16:07:54","date_gmt":"2024-03-14T16:07:54","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/"},"modified":"2025-08-05T03:29:51","modified_gmt":"2025-08-05T03:29:51","slug":"how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/","title":{"rendered":"Qt Serial Port: Fast Large Data Reception"},"content":{"rendered":"<p>To receive large amounts of fast data, you can utilize Qt&#8217;s serial communication class QSerialPort.<\/p>\n<p>Here is an example code that is capable of receiving a large amount of data quickly.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QCoreApplication&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QSerialPort&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;QDebug&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> argc, <span class=\"hljs-type\">char<\/span> *argv[])<\/span>\r\n<\/span>{\r\n    <span class=\"hljs-function\">QCoreApplication <span class=\"hljs-title\">a<\/span><span class=\"hljs-params\">(argc, argv)<\/span><\/span>;\r\n\r\n    QSerialPort serialPort;\r\n    serialPort.<span class=\"hljs-built_in\">setPortName<\/span>(<span class=\"hljs-string\">\"COM1\"<\/span>); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u4e32\u53e3\u540d<\/span>\r\n    serialPort.<span class=\"hljs-built_in\">setBaudRate<\/span>(QSerialPort::Baud115200); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u6ce2\u7279\u7387<\/span>\r\n    serialPort.<span class=\"hljs-built_in\">setDataBits<\/span>(QSerialPort::Data8); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u6570\u636e\u4f4d<\/span>\r\n    serialPort.<span class=\"hljs-built_in\">setParity<\/span>(QSerialPort::NoParity); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u6821\u9a8c\u4f4d<\/span>\r\n    serialPort.<span class=\"hljs-built_in\">setStopBits<\/span>(QSerialPort::OneStop); <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u505c\u6b62\u4f4d<\/span>\r\n\r\n    <span class=\"hljs-keyword\">if<\/span> (!serialPort.<span class=\"hljs-built_in\">open<\/span>(QIODevice::ReadOnly)) {\r\n        <span class=\"hljs-built_in\">qDebug<\/span>() &lt;&lt; <span class=\"hljs-string\">\"Failed to open serial port!\"<\/span>;\r\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">-1<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-type\">const<\/span> <span class=\"hljs-type\">int<\/span> bufferSize = <span class=\"hljs-number\">1024<\/span>; <span class=\"hljs-comment\">\/\/ \u7f13\u51b2\u533a\u5927\u5c0f<\/span>\r\n    <span class=\"hljs-type\">char<\/span> buffer[bufferSize];\r\n    qint64 bytesRead = <span class=\"hljs-number\">0<\/span>;\r\n\r\n    <span class=\"hljs-keyword\">while<\/span> (<span class=\"hljs-literal\">true<\/span>) {\r\n        bytesRead = serialPort.<span class=\"hljs-built_in\">read<\/span>(buffer, bufferSize);\r\n        <span class=\"hljs-comment\">\/\/ \u5728\u8fd9\u91cc\u5904\u7406\u8bfb\u53d6\u5230\u7684\u6570\u636e<\/span>\r\n        <span class=\"hljs-comment\">\/\/ \u53ef\u4ee5\u5c06\u8bfb\u53d6\u5230\u7684\u6570\u636e\u5199\u5165\u6587\u4ef6\uff0c\u8fdb\u884c\u89e3\u6790\u7b49\u64cd\u4f5c<\/span>\r\n\r\n        <span class=\"hljs-built_in\">qDebug<\/span>() &lt;&lt; <span class=\"hljs-string\">\"Read\"<\/span> &lt;&lt; bytesRead &lt;&lt; <span class=\"hljs-string\">\"bytes from serial port\"<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> a.<span class=\"hljs-built_in\">exec<\/span>();\r\n}\r\n<\/code><\/pre>\n<p>In the code above, a QSerialPort object is first created, then the serial port parameters are set, such as the port name, baud rate, data bits, etc. Finally, the serial port is opened by calling the open() function.<\/p>\n<p>Then create a buffer to store the data read. Inside an infinite loop, call the read() function to read data from the serial port and print the data obtained through debug information. In practical applications, the data can be parsed and processed as needed.<\/p>\n<p>The above is a simple example of receiving a large amount of data quickly, which you can modify and expand based on your needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To receive large amounts of fast data, you can utilize Qt&#8217;s serial communication class QSerialPort. Here is an example code that is capable of receiving a large amount of data quickly. #include &lt;QCoreApplication&gt; #include &lt;QSerialPort&gt; #include &lt;QDebug&gt; int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QSerialPort serialPort; serialPort.setPortName(&#8220;COM1&#8221;); \/\/ \u8bbe\u7f6e\u4e32\u53e3\u540d serialPort.setBaudRate(QSerialPort::Baud115200); \/\/ \u8bbe\u7f6e\u6ce2\u7279\u7387 serialPort.setDataBits(QSerialPort::Data8); [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[14850,16508,16507,16506,9870],"class_list":["post-12572","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-reception","tag-high-speed-data","tag-qserialport","tag-qt-serial-port","tag-serial-communication"],"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>Qt Serial Port: Fast Large Data Reception - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Master high-speed data reception with Qt QSerialPort. Optimized code &amp; techniques for large-scale serial communication.\" \/>\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-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qt Serial Port: Fast Large Data Reception\" \/>\n<meta property=\"og:description\" content=\"Master high-speed data reception with Qt QSerialPort. Optimized code &amp; techniques for large-scale serial communication.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T16:07:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-05T03:29:51+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Taylor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Taylor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\"},\"author\":{\"name\":\"Benjamin Taylor\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\"},\"headline\":\"Qt Serial Port: Fast Large Data Reception\",\"datePublished\":\"2024-03-14T16:07:54+00:00\",\"dateModified\":\"2025-08-05T03:29:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\"},\"wordCount\":145,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Data Reception\",\"High-Speed Data\",\"QSerialPort\",\"Qt Serial Port\",\"serial communication\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\",\"name\":\"Qt Serial Port: Fast Large Data Reception - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T16:07:54+00:00\",\"dateModified\":\"2025-08-05T03:29:51+00:00\",\"description\":\"Master high-speed data reception with Qt QSerialPort. Optimized code & techniques for large-scale serial communication.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Qt Serial Port: Fast Large Data Reception\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\",\"name\":\"Benjamin Taylor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"caption\":\"Benjamin Taylor\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Qt Serial Port: Fast Large Data Reception - Blog - Silicon Cloud","description":"Master high-speed data reception with Qt QSerialPort. Optimized code & techniques for large-scale serial communication.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/","og_locale":"en_US","og_type":"article","og_title":"Qt Serial Port: Fast Large Data Reception","og_description":"Master high-speed data reception with Qt QSerialPort. Optimized code & techniques for large-scale serial communication.","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T16:07:54+00:00","article_modified_time":"2025-08-05T03:29:51+00:00","author":"Benjamin Taylor","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Benjamin Taylor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/"},"author":{"name":"Benjamin Taylor","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9"},"headline":"Qt Serial Port: Fast Large Data Reception","datePublished":"2024-03-14T16:07:54+00:00","dateModified":"2025-08-05T03:29:51+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/"},"wordCount":145,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["Data Reception","High-Speed Data","QSerialPort","Qt Serial Port","serial communication"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/","name":"Qt Serial Port: Fast Large Data Reception - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T16:07:54+00:00","dateModified":"2025-08-05T03:29:51+00:00","description":"Master high-speed data reception with Qt QSerialPort. Optimized code & techniques for large-scale serial communication.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-to-receive-large-amounts-of-data-quickly-over-a-qt-serial-port\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Qt Serial Port: Fast Large Data Reception"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9","name":"Benjamin Taylor","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","caption":"Benjamin Taylor"},"url":"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=12572"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12572\/revisions"}],"predecessor-version":[{"id":156378,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/12572\/revisions\/156378"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=12572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=12572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=12572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}