Hello Players,

Bob Blick wrote:
> DOS? Yuck! Don't you have a hard drive size limit and 8.3 names? I
> have full code(PC side and PIC side) if you want to use Linux and a
> serial port.
>
> There are some 486 boards that just plain will not work, something
> about DMA really interferes with being an MP3 player. I'd suggest an
> LPX-format socket-7 motherboard, you can get them for $15 and
> have onboard good-quality sound, video, etc, in a small format.

    right now, I'm starting to think about Linux. The problem with DOS seens
to be lack of support for new technologies. There's motherboards with the
AC97 codec, that I though could have decent-quality sound optput. Also, the
onboard ethernet would be very usefull, but will be hard to use these
resources on DOS. Linux, on other side, seens to have drives for these
things.

    Sorry, what's "LPX" format motherboard???

    So, my project requirements seens to have changed.

Byron A Jeff wrote:
>Of course it'll have a PIC based, serial interfaced, control panel.
>Eventually it'll interface to a yet to be written program that will
>interface with a set of scripts that I've written to control the play
>mix on my home PC MP3 player. Commands such as skip, repeat, and find
>are already in the arsenal. Normal mode is to play a continuous random
>playlist.

    I'm currently doing a simple RS232 terminal with a PIC16F628, a 2x40 LCD
and 16 keys. I'll pretend to use this to control the MP3Player. Just 4 wires
GND, 5V, TX and RX between the system case and the control panel/terminal.

Byron A Jeff wrote:
>    Edson, I haven't yet found a cost effective SBC for this project. My
>small box is a Baby-AT Socket 7 MB with onboard sound, video, and
>ethernet, using a 450 Mhz AMD K6. It's mounted in a 11x16x2 inch
>organizing case with the removable buckets. This houses the MB,
>13GB HD, and the zip. The power supply will be external to the case.

    A motherboard similar to the one you're using seens to cost about
US$80,00 here in Brazil. Maybe I could find an used one cheaper with
processor and some memory.

    I'm also melting some neurones thinking about the PSU...

Byron A Jeff wrote:
>The last interesting item which I haven't implemented yet is LinuxBIOS.
>Essentially you flash a modified Linux kernel onto the motherboard which
>boots directly without all the pesky POST/memory sequences that standard
>BIOSes have. Boots to a running state in less than 10 seconds and can be
>powered down with impunity. Check it out at http://www.linuxbios.org.

    This seens to be very interesting. Please tell us when you got it
working.

Bob Blick wrote:
>I certainly see the point of a DOS player, but the really cool ones use
>Linux :)

    What software are you using for this? I've seen a player these days for
Linux I think is called XMMS, it's the one you're using? How to make it
interface with keys and LCD on a COM port?

    Best regards,

    Brusque

-----------------------------------
Edson Brusque
Research and Development
C.I.Tronics Lighting Designers Ltda
Blumenau  -  SC  -  Brazil
www.citronics.com.br
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