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Rockbox mail archiveSubject: Re: Feature proposal: received signal strength indicator for fm radioRe: Feature proposal: received signal strength indicator for fm radio
From: Bertrik Sikken <bertrik_at_sikken.nl>
Date: Mon, 25 Oct 2010 22:48:21 +0200 On 25-10-2010 8:31, Marcin Bukat wrote: > 2010/10/24 Bertrik Sikken <bertrik_at_sikken.nl>: >> Hi all, >> >> I'd like to propose a new feature: >> received signal strength indication (RSSI) for fm radio >> >> This makes it possible to show an indication of the radio signal >> strength in the FMS in two ways: >> * as a number (in the logarithmic unit dB microvolts, or dBuV) >> * as a graphic, for example a little antenna with a variable number >> of bars next to it (similar to how we show volume). >> >> This will need several steps to be done: >> 1) add support in the fm tuner drivers that can do this >> 2) create new tags for this, add code to parse and render the tags >> 3) create a WPS + RSSI graphic that actually uses the new tags >> >> Step 1) is mostly done now, see http://www.rockbox.org/tracker/task/8151 >> Nearly all fm tuner chips support RSSI, except for the s1a0903x01. >> The TEA5760 and TEA5767 support it, but update it only when changing >> channel. The RSSI value is retrieved with tuner_get(RADIO_RSSI), >> possible tuner-specific minimum and maximum RSSI values are #defined >> and accessible through tuner.h >> >> Steps 2) and 3) are yet to be done. >> >> Please let me know what you think. >> > I am all for this. > > How do You want to handle TEA chips? Simply a best effort approach, so have it update only on station switches if that's all the TEA hardware supports. Regards, Bertrik Received on 2010-10-25 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |