{"id":349,"date":"2010-12-30T23:28:13","date_gmt":"2010-12-30T23:28:13","guid":{"rendered":"http:\/\/www.funcubedongle.com\/?p=349"},"modified":"2010-12-30T23:28:13","modified_gmt":"2010-12-30T23:28:13","slug":"interim-firmware-release-v18c","status":"publish","type":"post","link":"https:\/\/www.funcubedongle.com\/?p=349","title":{"rendered":"Interim firmware release v18c"},"content":{"rendered":"<p>Now available over in the <a href=\"https:\/\/www.funcubedongle.com\/?page_id=313\">Downloads area<\/a>!<\/p>\n<p>This has the following changes:<\/p>\n<p>o Set sensible gain and filter defaults at plug in time (does the same as the &#8220;Defaults&#8221; button).<\/p>\n<p>o Initialises the tuner and codec _after_ USB enumeration to keep within USB current draw specs.<\/p>\n<p>o Implements different (hopefully better) VHF filtering.<\/p>\n<p>o Implements command 101 &#8211; SetFrequencyHz with more granularity using a 32 bit unsigned with the frequency specified in Hz rather than kHz. Also returns actual frequency set.<\/p>\n<p>o Removed sigma delta software imposed limitation on the fractional-N PLL. Need to see what effects this has.<\/p>\n<p>o Recoded the vendor supplied PLL and filter setting code to use constant tables rather than a ton of if\/then\/else statements.<\/p>\n<p>o Recoded PLL calculation code to use floating point.<\/p>\n<p>Howard<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Now available over in the Downloads area! This has the following changes: o Set sensible gain and filter defaults at plug in time (does the same as the &#8220;Defaults&#8221; button). o Initialises the tuner and codec _after_ USB enumeration to &hellip; <a href=\"https:\/\/www.funcubedongle.com\/?p=349\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/posts\/349"}],"collection":[{"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=349"}],"version-history":[{"count":1,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/posts\/349\/revisions"}],"predecessor-version":[{"id":350,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=\/wp\/v2\/posts\/349\/revisions\/350"}],"wp:attachment":[{"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.funcubedongle.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}