|
Rockbox mail archiveSubject: Re: Feature proposal: received signal strength indicator for fm radioRe: Feature proposal: received signal strength indicator for fm radio
From: Marcin Bukat <marcin.bukat_at_gmail.com>
Date: Mon, 25 Oct 2010 08:31:58 +0200 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? wodz Received on 2010-10-25 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |