Re: [uCsimm] mp3-player with uclinux

From: Serge Egelman (serge@bnsi.net)
Date: Tue Jun 13 2000 - 16:01:51 EDT


Why is that a challenge? just mount them read-only each time so you
don't have to worry about properly unmounting them..

Keith Christopher wrote:
>
> The real challenge is to make them hot swappable. So removing and
> installing the flash cards is easy and painless.
>
> Edmund Troche wrote:
>
> > The simpler interface is on the SmartMedia. CompactFlash may even
> > behave as
> > a regular IDE drive.
> >
> > Edmund
> >
> > -----Original Message-----
> > From: David Siebert [mailto:dsiebert@gate.net]
> > Sent: Monday, June 12, 2000 9:13 AM
> > To: ucsimm@uClinux.com
> > Subject: RE: [uCsimm] mp3-player with uclinux
> >
> > You may want to look at the SmartMeda and or the CompactFlash. One
> > of them
> > has a much simpler interface than ATA, I think it is the
> > CompactFlash.
> >
> > > -----Original Message-----
> > > From: owner-ucsimm@uClinux.com [mailto:owner-ucsimm@uClinux.com]On
> >
> > > Behalf Of Serge M. Egelman
> > > Sent: Sunday, June 11, 2000 5:47 PM
> > > To: ucsimm@uClinux.com
> > > Subject: Re: [uCsimm] mp3-player with uclinux
> > >
> > >
> > > I'm actually starting a similar project with an STA013.
> > >
> > > I'm looking for more info on using the bus on the uCsimm (since
> > the SPI
> > > interface won't be able to throw the frames at the chip fast
> > enough).
> > >
> > > I plan on using compact flash cards for media since they use the
> > ATA
> > > interface. Speaking of which, has anyone tried making an ATA/IDE
> > > interface for the uCsimm? Is there any info available on this
> > online?
> > >
> > >
> > > Thanks,
> > >
> > > serge
> > >
> > >
> > > Jussi Alanara wrote:
> > > >
> > > > On Sun, 11 Jun 2000, Carsten Block wrote:
> > > >
> > > > > Hi,
> > > > > I like to build a mp3 player with uclinux. The mp3 files are
> > > stored in my
> > > > > network and mounted via the ethernet connector.
> > > > >
> > > > > The player should be a special mp3-decoder IC like MAS3507D,
> > > > > TL7231MD or STA013 to the uclinux hardware (uCsimm / uC68EZ32)
> >
> > > > > ports PD0-PD7.
> > > > >
> > > > > Are there any experience/ circuits etc. available here?
> > > >
> > > > I am starting a similar project and will be using these IC's:
> > > >
> > > > DAC3550A Stereo Audio DAC
> > > > MAS3507D MPEG-1/2 Layer-2/3 Decoder
> > > >
> > > > I found these www-sites which will make the job easier:
> > > >
> > > > http://www.mp3ar.com
> > > > http://www2s.biglobe.ne.jp/~elm/reports/mpc/report_e.html
> > > >
> > > > As a storage I would use smartmedia flash cards or harddrive,
> > anyone
> > > > done such interfacing with uCsimm?
> > > >
> > > > -----------------------------------------
> > > > Project Engineer Turku Polytechnic
> > > > Jussi Alanärä
> > > > Sepänkatu 1
> > > > 20700 TURKU
> > > > Phone: +358-50-598 5682
> > > > Fax: +358-10-55 35 610
> > > > Email: jalanara@iki.fi
> > > >
> > > > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
> >
> > --
> > /*
> > Serge Egelman
> > Broadband Network Services
> >
> > "Never underestimate the power of human stupidity." - Lazarus Long
> > */
> > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
> >
> > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
> > This message resent by the ucsimm@uclinux.com list server
> > http://www.uClinux.com/
>
> --
> \\\|///
> \\ ~ ~ //
> ( @ @ )
> ---------------------------oOOo-(_)-oOOo----------------------------
> Keith Christopher
> mailto:pkc@eclipse.qis.net
>
> "What good are more laws without morality." -Ben Franklin
> -----------------------------------Oooo.----------------------------
> .oooO ( )
> ( ) ) /
> \ ( (_/
> \_)
>
>

-- 
/*
*	Serge Egelman
*	serge@bnsi.net
*	Broadband Network Services, Inc.
*/
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