{"id":3786,"date":"2025-04-21T09:45:41","date_gmt":"2025-04-21T09:45:41","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&p=3786"},"modified":"2025-06-10T05:48:35","modified_gmt":"2025-06-10T05:48:35","slug":"getrtc-hash-function","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/getrtc-hash-function\/","title":{"rendered":"# GetRTC() hash function"},"content":{"rendered":"\n

Valid for use with hash command: HMI<\/a><\/code><\/p>\n\n\n\n

Implemented on the following platforms: Android, Windows<\/p>\n\n\n\n

Request the SimpleHMI<\/a> client to send its current date and time information. This allows the SPLat controller to tap into the HMI<\/a> device to set its own RTC.<\/p>\n\n\n\n

This hash function only makes sense if you also have a\u00a0SetRTCEvent<\/a>,<\/code>\u00a0and if the controller you are programming has a Real Time Clock (RTC).<\/p>\n\n\n\n

When\u00a0GetRTC<\/code>\u00a0is executed, providing a serial port has been appropriately opened for SimpleHMI use, the board will send a message to the SimpleHMI device asking it to send back the date and time from its internal clock. When the SimpleHMi device responds, the SPLat board will automatically update its own RTC. If the\u00a0SetRTCEvent<\/code>\u00a0specifies a handler, it will be executed immediately after the internal RTC has been updated. There’s a fully worked example for the\u00a0EC1 controller<\/a>\u00a0online\u00a0here<\/a>.<\/p>\n\n\n\n

See also\u00a0SetRTCEvent<\/a><\/code>,\u00a0Open_Serial<\/a>, User<\/a><\/code><\/p>\n","protected":false},"excerpt":{"rendered":"

Valid for use with hash command: HMI Implemented on the following platforms: Android, Windows Request the SimpleHMI client to send its current date and time information. This allows…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3768,"menu_order":8,"template":"","class_list":["post-3786","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"\n# GetRTC() hash function - SPLat Controls<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"# GetRTC() hash function - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"Valid for use with hash command: HMI Implemented on the following platforms: Android, Windows Request the SimpleHMI client to send its current date and time information. 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