Rockbox mail archive
Subject: Re: external commands
From: [IDC]Dragon (idc-dragon_at_gmx.de)
> > The generic response pretty much defines it:
> > Byte 1: negated command byte
> > Byte 2: number of chars
> > Byte 3...n-1: chars
> > Byte n: Checksum, 8-bit sum of bytes 1 to n-1
> Yes, but I'm still wondering if it is the best solution to return the
> whole string each time. If I want to have the song title on the display
> in sync with the current playing song, it's necessary to poll it approx.
> every second and that is pretty much traffic then.
You can poll just the track number and get the rest if that has changed.
> Btw: I guess you aren't actively working on this because you don't need
> it anymore, right?
Correct, but it affects other projects, like e.g. Dirk-Andreas with the VW
> I really, really would like to have a standard here,
> so if nobody else does it, I'm going to try to start implementing it and
> get the soft-serial patch in a commitable shape.
Yes, this needs ownership. You're most welcome!
> But I'm a real slow
> programmer and it could take some time before there are usable results.
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Page was last modified "Jan 10 2012" The Rockbox Crew