
{"id":9921,"date":"2022-06-21T09:10:32","date_gmt":"2022-06-21T09:10:32","guid":{"rendered":"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/documentation\/rdk_video_documentation\/components\/open-sourced_components\/led_manager\/"},"modified":"2025-03-25T05:18:36","modified_gmt":"2025-03-25T05:18:36","slug":"led_manager","status":"publish","type":"page","link":"https:\/\/developer.rdkcentral.com\/documentation\/documentation\/rdk_video_documentation\/components\/led_manager\/","title":{"rendered":"LED Manager"},"content":{"rendered":"<p><!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\"><br \/>\n <html><body><\/p>\n<div class=\"toc-macro client-side-toc-macro  conf-macro output-block\" data-headerelements=\"H1,H2,H3,H4,H5,H6,H7\" data-hasbody=\"false\" data-macro-name=\"toc\"> <\/div>\n\n\n<h2 class=\"wp-block-heading wp-main-header\"><strong>Overview<\/strong><\/h2>\n\n\n<p>The LED Manager is an application that is responsible for controlling the LEDs on the product. Manages the STB front panel color LED to communicate the system status.&nbsp;It initializes the LED hardware and exposes functionality to the rest of the system via iarm events and calls.The LED manager has knowledge of the physical layout of the LED&#8217;s and organizes them into logical groups. &nbsp;The LED&#8217;s can be controlled individually or as a group according to the product requirements. &nbsp;The LED manager can be programmed with pre-defined animations which are exposed to the rest of the system via iarm bus calls.&nbsp;<\/p>\n<p><span>The high level state diagram for the LED manager process is shown below.<\/span><\/p>\n<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/sites\/16\/2023\/09\/ledMgr%20Process%20State%20Diagram.drawio.png\"><\/p>\n<p>Ledmgr stack contains generic and device specific code. Device specific implementation is in &#8216;extended&#8217; folder which has device specific&nbsp;lighting specification. There is a noop implementation provided which can be referred by OEM vendors to implement device specific &#8216;extended&#8217; folder.<\/p>\n\n\n<h2 class=\"wp-block-heading wp-main-header\"><strong>API Specification<\/strong><\/h2>\n\n\n<p>LED Manager&nbsp;API specification is available in the Doxygen page:&nbsp;<a href=\"https:\/\/wiki.rdkcentral.com\/doxygen\/rdkv-opensourced\/d1\/d56\/group___l_e_d.html\" rel=\"nofollow\"><strong>LED Manager<\/strong>&nbsp;<strong>API Specifications<\/strong><\/a><\/p>\n<h3 class=\"wp-sub-header\"><strong>Repo Path :<\/strong><\/h3>\n<p><a href=\"https:\/\/code.rdkcentral.com\/r\/rdk\/components\/generic\/ledmgr\" class=\"external-link\" rel=\"nofollow\">https:\/\/code.rdkcentral.com\/r\/rdk\/components\/generic\/ledmgr<\/a><\/p>\n<p><\/p>\n<p><\/body><\/html><\/p>","protected":false},"excerpt":{"rendered":"<p>Overview The LED Manager is an application that is responsible for controlling the LEDs on [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":0,"parent":9844,"menu_order":11,"comment_status":"open","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-9921","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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