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PICList Thread
'[OT]: My new car MP3 controller'
2002\06\14@165835 by smerchock, Steve

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Tal,

Congratulations, Looks GREAT!! So where is the music stored?
Does the pic do the decoding?

Best regards,
Steve

Steven Kosmerchock
Radio Frequency Systems
Phoenix,  Arizona  USA
(WORK) http://www.rfsworld.com

http://www.geocities.com/researchtriangle/lab/6584

"Great spirits have always encountered violent
oppposition from mediocre minds."--A.Einstein

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2002\06\14@165838 by John Craft

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Sweet,  good job!

John C.

At 11:39 PM 6/14/2002 +0200, you wrote:
{Quote hidden}

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2002\06\14@172945 by Pic Dude

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Very nice!  Funny, this whole PIC thing started with me cause I wanted
to build an MP3 player as well, but for a car.  Also when the whole
Linux thing started.  However, the one thing that put the project on
hold was locating a PC104 or other SBC with 4-channel audio.

Maybe I'll pick your brain when I revive the project. :-)

Cheers,
-Neil.



{Original Message removed}

2002\06\14@233836 by Jeff DeMaagd

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It looks nice.

The only thing is that it seems to exclude the use of a real keyboard.  Is
there a particular reason to not do all the I/O straight through the serial
port?  I would think that making a program on the computer side from one
port would be simpler than handling three ports, and it would involve less
wiring.

Jeff

{Original Message removed}

2002\06\15@062633 by Tal Bejerano - AMC

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Jeff

I thought of it when I design the wiring, due to the flexibility I want to
gain, I leave it as it is now.


Regards

Tal Bejerano
AMC - ISRAEL


{Original Message removed}

2002\06\15@192636 by Keith Christopher

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I tell you, using a PIC 18* and the new Micronas chips
is the way to go. leave these PC's and OS's out of it.
small tight code. slimdevices has exactly what I'm
talking about. use the pic to read the CF and allow
you to select. (maybe build a file list in eeprom on
each CF insert.) you menu through (VFD or LCD)...

K
--- Tal Bejerano - AMC <kooterspamKILLspamZAHAV.NET.IL> wrote:
{Quote hidden}

> {Original Message removed}

2002\06\16@050922 by Amaury Jacquot

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Keith Christopher wrote:

>I tell you, using a PIC 18* and the new Micronas chips
>is the way to go. leave these PC's and OS's out of it.
>small tight code. slimdevices has exactly what I'm
>talking about. use the pic to read the CF and allow
>you to select. (maybe build a file list in eeprom on
>each CF insert.) you menu through (VFD or LCD)...
>
nice in theory. however, the micronas chip can't do .ogg files :-(

Amaury

{Quote hidden}

>>{Original Message removed}

2002\06\16@052824 by Joe Farr

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When you have an Email client, Web browser and Word processer (and Doom) on a PIC, then I'll throw my PC in the bin.
By then, were have Picdows - Windows of the future.


{Original Message removed}

2002\06\16@053446 by Amaury Jacquot

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Joe Farr wrote:

>When you have an Email client, Web browser and Word processer (and Doom) on a PIC, then I'll throw my PC in the bin.
>By then, were have Picdows - Windows of the future.
>
heh, no, linpic...

Amaury

>
>{Original Message removed}

2002\06\16@053448 by Joe Farr

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Actually, until there's an assembler that runs on a pic to make pic .HEX files it's never going to happen

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2002\06\16@174326 by Peter L. Peres

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On Sun, 16 Jun 2002, Joe Farr wrote:

>When you have an Email client, Web browser and Word processer (and Doom) on a PIC, then I'll throw my PC in the bin.
>By then, were have Picdows - Windows of the future.

Please no! PICs don't crash. I don't need that feature.

Peter

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2002\06\16@181155 by Dal Wheeler
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----- Original Message -----
From: "Peter L. Peres" <EraseMEplpspam_OUTspamTakeThisOuTACTCOM.CO.IL>
> Please no! PICs don't crash. I don't need that feature.


Ha!  you haven't run MY code on there... :')

-Dal

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2002\06\16@192801 by Peter L. Peres

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On Sun, 16 Jun 2002, Joe Farr wrote:

>Actually, until there's an assembler that runs on a pic to make pic .HEX
>files it's never going to happen

Do interpreted languages that can self-modify count ? How about 18Fxxx
which can do this to itself. Genetic code anyone ? Who knows what a PIC
could teach itself ;-).

Peter

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2002\06\17@023500 by Joe Farr

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You've still got to get your 'original' code onto the PIC.
I suppose you could attach a couple of switches to the programming pins and wiggle them up and down really fast to load in a program but it feels a bit of a step back to me.

In the good old days, we use to write a monitor program for say a Z80 or 6502. The monitor prog, supported a HEX keypad and multiplexed LED display for example. Using these, you entered your program into memory and then ran it. When it crashed, you hit the reset button and your monitor prog sprang back into life so you could edit your program.

I suppose you could do the same with a PIC ?

The real pain in those days was you had to do all the assembly by hand.



{Original Message removed}

2002\06\19@133333 by Peter L. Peres

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On Mon, 17 Jun 2002, Joe Farr wrote:

>You've still got to get your 'original' code onto the PIC. I suppose you
>could attach a couple of switches to the programming pins and wiggle them
>up and down really fast to load in a program but it feels a bit of a step
>back to me.
>
>In the good old days, we use to write a monitor program for say a Z80 or
>6502. The monitor prog, supported a HEX keypad and multiplexed LED
>display for example. Using these, you entered your program into memory
>and then ran it. When it crashed, you hit the reset button and your
>monitor prog sprang back into life so you could edit your program.

Know those ;-). Except they often hosed their own programs when crashing
(I used CMOS ram for program storage also on 8051 and Z80).

>I suppose you could do the same with a PIC ?

Hmm. A 18F could do that.

>The real pain in those days was you had to do all the assembly by hand.

I built two microsystems on breadboards using soldered wirewrap wires. One
is still on my table (80C51 + EEPROM + RAM). I hate wirewrap and I timed
myself, soldering is faster.

I was thinking along the lines of inputs, outputs, and a 'carrot/stick'
input. Every time the pic does something bad with its outputs push the
stick button. Eventually it should start to do what you want it to do. A
stick push would have the program alter the production that led to the bad
state using a random generator.

You could take this to the next level using an analysis layer that would
add state spaces to the state machine when there is too little success.
Such an algorythm should develop a 'brain' just smart enough to solve most
of the problems as desired by the teacher.

I have posted some ideas on this some time ago in this mailing list,
involving a small robot. I will try to find the thread if you are
interested.

Peter

>{Original Message removed}

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