/members-area/personalblogs/b/blog/posts/rda5807sp-update---2015-03-28Finally had some time to play the the RDA5807SP again. Attacked it from a different direction (probably what I should have done in the first place). The documentation mentions specific bits (the chip id) being 0x58. In reading the r...en-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/blog/posts/rda5807sp-update---2015-03-28Sun, 12 Apr 2015 01:43:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:b86a1a36-2dfb-4819-9174-904233676638packetgeek1<p>Volume function now working.&nbsp; Also the mute and unmute functions.&nbsp; These last two required that I also make the status function more compliant with the programming guide (had to cause the program to wait until the seek/tune bit was set).&nbsp; Not sure of the reasoning but, if you don&#39;t wait for the bit to be set (after running unmute), the radio will report being tuned to 87.5 MHz, even though it&#39;s playing the station to which you tuned previously.&nbsp; A long wait, before rereading the registers, isn&#39;t required.&nbsp; 50 msec seems to work.</p><p>&nbsp;</p><p>Still avoiding having to write the documentation.&nbsp; Seems to be a serious bout of procrastination in progress.</p><img src="https://community.element14.com/aggbug?PostID=20318&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">