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PICList Thread
'ide interface offer'
2000\04\06@182911 by Robert Boardman

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part 0 16 bytes
</x-html>

2000\04\06@192535 by Tim Hamel

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You mean to say you're not willing to contribute to the community? If you
want MP3 code, get a decoder and figure it out. If, on the other hand you do
want to offer this code for nothing, I'd be more than happy to host it on my
site (with credits of course).

Regards,

Tim Hamel

In a message dated 4/6/00 3:29:34 PM Pacific Daylight Time,
spam_OUTrobTakeThisOuTspamBOARDMANR.FREESERVE.CO.UK writes:

> just got some code written to get a CD-ROM playing audio disc's via the ide
> cable. pic code asm
>  Gives you a good starting point! Any interested?  Swap 4 mp3 asm code or
mp3
> development kit What have you?
>

2000\04\06@214819 by McMeikan, Andrew

flavicon
face
I would second that with either hosting or linking to.  Give it to the
community and the community will give back ten fold,  no matter how good (or
bad) your code is its bound to get better.

If this type of code is not widespread then the first to release it widely
is the one who will be credited and gets all of the bonus and brownie points
due to them.

If you need any help with car MP3 stuff have a look at my site
http://www.opendesign.cx not a lot of PIC stuff but a few 16C84 uses
scattered around.


       cya,    Andrew...

> {Original Message removed}

2000\04\07@101400 by jamesnewton

face picon face
I'd be happy to post that code (full credit, links, etc...) at the
http://www.piclist.com/faq
site or possibly as a PICList project if you can include some docs on the
hardware and wiring, but I don't have any MP3 code available.

Also,
We (and many of our readers) would really appreciate it, however,
if you would post in "Plain Text" rather than in "HTML" or "Rich Text". See
http://www.piclist.com for detailed instructions on how to do this.
Thanks in advance!

---
James Newton (PICList Admin #3)
.....jamesnewtonKILLspamspam@spam@piclist.com 1-619-652-0593
PIC/PICList FAQ: http://www.piclist.com or .org


{Original Message removed}

2000\04\07@103546 by M. Adam Davis

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face
This is something that many people have looked for previously in many
newsgroups, mailing lists, etc.

Because of this people feel it is somehow valuable, and in a way it is.  But
it's value lies in how well you market it.

I understand you have a desire to get something back from making this code, if
you were to release it.  I have found, however, that you have already gained the
most important thing from it that you will ever get: experience.  Chances are
good that no one is going to pay you very much for this code, or trade anything
expensive.  Honestly the best thing you can get out of this now is more
experience.  If you were to give it away (say, post it to the piclist), there
would be many who would build it and improve it.  One of the best ways to learn
better programming techniques is to see how someone else would improve your own
programs.

If you want to spend just a little bit more time on it, then I will give you a
new 2GB laptop hard drive (2.5", 12mm tall), as long as it performs as outlined
in
http://ubasics.com/contest/
Right now you have a good portion of an IDE interface built.  If you can get it
to read and write to/from a regular IDE hard drive and release it openly, then
you will get my hard drive.

I wish you luck in your endeavers.

-Adam

Logic is a systematic method of coming to the wrong conclusion with confidence.

> Robert Boardman wrote:
>
> just got some code written to get a CD-ROM playing audio disc's via the ide
> cable. pic code asm
> Gives you a good starting point! Any interested?  Swap 4 mp3 asm code or mp3
> development kit What have you?

2000\04\07@105925 by Andrew Kunz

flavicon
face
Adam,

Your support for the full size of the 2G drive is a pretty big bite.

How about a free SanDisk card for someone who can read/write in a manner useful
to getting data in/out of your laptop?  I see _that_ as having a lot of
potential for embedded systems.  Shoot, I wouldn't care if the spec allowed it
to be formatted by DOS and had to have a single file (named somewhere) that was
the data I/O file.

Andy









"M. Adam Davis" <adavisspamKILLspamUBASICS.COM> on 04/07/2000 10:34:31 AM

Please respond to pic microcontroller discussion list <.....PICLISTKILLspamspam.....MITVMA.MIT.EDU>








To:      EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU

cc:      (bcc: Andrew Kunz/TDI_NOTES)



Subject: Re: ide interface offer








This is something that many people have looked for previously in many
newsgroups, mailing lists, etc.

Because of this people feel it is somehow valuable, and in a way it is.  But
it's value lies in how well you market it.

I understand you have a desire to get something back from making this code, if
you were to release it.  I have found, however, that you have already gained the
most important thing from it that you will ever get: experience.  Chances are
good that no one is going to pay you very much for this code, or trade anything
expensive.  Honestly the best thing you can get out of this now is more
experience.  If you were to give it away (say, post it to the piclist), there
would be many who would build it and improve it.  One of the best ways to learn
better programming techniques is to see how someone else would improve your own
programs.

If you want to spend just a little bit more time on it, then I will give you a
new 2GB laptop hard drive (2.5", 12mm tall), as long as it performs as outlined
in
http://ubasics.com/contest/
Right now you have a good portion of an IDE interface built.  If you can get it
to read and write to/from a regular IDE hard drive and release it openly, then
you will get my hard drive.

I wish you luck in your endeavers.

-Adam

Logic is a systematic method of coming to the wrong conclusion with confidence.

> Robert Boardman wrote:
>
> just got some code written to get a CD-ROM playing audio disc's via the ide
> cable. pic code asm
> Gives you a good starting point! Any interested?  Swap 4 mp3 asm code or mp3
> development kit What have you?

2000\04\07@115814 by M. Adam Davis

flavicon
face
Well, the sandisk card follows the ATA spec in many ways, and uses the DOS
filesystem.  You would be halfway to reading and writing an IDE HD by developing
a sandisk reader/writer.

If someone were to send in and release a sandisk compactflash card with a PIC
such that an IBM compatible computer can read PIC data placed on it (according
to sandisk specs) then I would be more than happy to give them a 16MB sandisk
card.

-Adam

Andrew Kunz wrote:
{Quote hidden}

2000\04\07@115821 by Andrew Kunz

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face
I went and checked your site again:

>Code must be fully commented (1 comment for every two lines in assembly, 1
comment of every line in a higher level language).

I don't know about the rest of the list, but I think these are WAY out of line.
 This sounds like somebody who knows nothing about coding making policies for
programmers (ie, the pointy haired boss).

>If you choose a language other than assembly then one of the following must be
true:
>    1) The compiler is free, or your code example must completely compile under
the free version of the compiler you choose.
>    2) You also completely comment the assembly listing (1 comment for every
two lines)

Well, Clyde just made the compiler of my choice available free in a limited
subset today.  Problem is, it doesn't support your mandated chip.  Now what?

Since C is so portable (<G>) how about just making it in "C" is good enough.

I htink you might get more takers if you made it so any commonly available
compiler (ByteCraft, HiTech, CCS) or assembler (HiTech, Tech-Tools, MPASM) can
be used.

Andy

2000\04\07@122529 by M. Adam Davis

flavicon
face
Andrew Kunz wrote:
>
> I went and checked your site again:
>
> >Code must be fully commented (1 comment for every two lines in assembly, 1
> comment of every line in a higher level language).
>
> I don't know about the rest of the list, but I think these are WAY out of line.
>   This sounds like somebody who knows nothing about coding making policies for
> programmers (ie, the pointy haired boss).

Well, I would say use your judgment (as I believe many of us have good
judgment), but I've run across so many badly commented pieces of code that I
thought this was reasonable.

Do you have a suggestion as to how I can word that so we don't end up at either
of the two extremes?  (too much commenting, too little commenting)

{Quote hidden}

I don't care what you use or how much it may have cost.  I just want to be able
to assemble it in MPLAB for free.  I just want to require that the code be
submitted in assembly, and that someone who may not understand C or whatever
language you use can still use your code (in assembly) in their program, or they
can obtain, for free, a version of the compiler you use which will compile your
code.

I don't feel this is an onerous burden.  I'll remove the requirement that the
assembly code must be commented separately as long as you can generate an
assembly file which includes your higher level code as comments (I have not yet
seen a compiler which won't do this):

                  ; TRISA = 0b.1100.0000; /* 7:6 Input(1), 5:0 Output(0) */
       MOVLW .192
       BSF   0x03,RP0
       MOVWF TRISA
                  ; TRISB = 0b.1111.1111; /* 7:0 Input, no output        */
       MOVLW .255
       MOVWF TRISB
                  ; TRISC = 0b.1100.0000; /* 7:0 Output                  */
       MOVLW .192
       MOVWF TRISC

I'll also remove the requirement for a specific chip to be used.  You can use
any chip in the picmicro line.  While I would like to keep the requirement that
no external chips be used, that pretty much goes out the window if you plan on
using an f'84 (excepting the serial sandisk).  At this point it would be nicer
to have the code than the restrictions.

Please send your comments, I'll update the webpage today or monday with the
sandisk contest, and any changes to the HD contest.

-Adam

2000\04\07@123959 by Andrew Kunz

flavicon
face
In my copious free time <G> I'll think on this.  I have an application which,
for now, is using an Atmel serial DataFlash chip.  Getting data in and out is
painfully slow at 115200 bps.  But if I could just drop it into my laptop...

Andy










"M. Adam Davis" <adavisspamspam_OUTUBASICS.COM> on 04/07/2000 12:23:54 PM

Please respond to pic microcontroller discussion list <@spam@PICLISTKILLspamspamMITVMA.MIT.EDU>








To:      KILLspamPICLISTKILLspamspamMITVMA.MIT.EDU

cc:      (bcc: Andrew Kunz/TDI_NOTES)



Subject: Re: ide interface offer








Andrew Kunz wrote:
>
> I went and checked your site again:
>
> >Code must be fully commented (1 comment for every two lines in assembly, 1
> comment of every line in a higher level language).
>
> I don't know about the rest of the list, but I think these are WAY out of
line.
>   This sounds like somebody who knows nothing about coding making policies for
> programmers (ie, the pointy haired boss).

Well, I would say use your judgment (as I believe many of us have good
judgment), but I've run across so many badly commented pieces of code that I
thought this was reasonable.

Do you have a suggestion as to how I can word that so we don't end up at either
of the two extremes?  (too much commenting, too little commenting)

> >If you choose a language other than assembly then one of the following must
be
> true:
> >    1) The compiler is free, or your code example must completely compile
under
{Quote hidden}

I don't care what you use or how much it may have cost.  I just want to be able
to assemble it in MPLAB for free.  I just want to require that the code be
submitted in assembly, and that someone who may not understand C or whatever
language you use can still use your code (in assembly) in their program, or they
can obtain, for free, a version of the compiler you use which will compile your
code.

I don't feel this is an onerous burden.  I'll remove the requirement that the
assembly code must be commented separately as long as you can generate an
assembly file which includes your higher level code as comments (I have not yet
seen a compiler which won't do this):

                  ; TRISA = 0b.1100.0000; /* 7:6 Input(1), 5:0 Output(0) */
       MOVLW .192
       BSF   0x03,RP0
       MOVWF TRISA
                  ; TRISB = 0b.1111.1111; /* 7:0 Input, no output        */
       MOVLW .255
       MOVWF TRISB
                  ; TRISC = 0b.1100.0000; /* 7:0 Output                  */
       MOVLW .192
       MOVWF TRISC

I'll also remove the requirement for a specific chip to be used.  You can use
any chip in the picmicro line.  While I would like to keep the requirement that
no external chips be used, that pretty much goes out the window if you plan on
using an f'84 (excepting the serial sandisk).  At this point it would be nicer
to have the code than the restrictions.

Please send your comments, I'll update the webpage today or monday with the
sandisk contest, and any changes to the HD contest.

-Adam

2000\04\07@132205 by Andy Kelley

picon face
My serial ports do better than that!


They will do 921,600 bps

CYA
Andy K.

On Fri, 7 Apr 2000 12:37:20 -0400 Andrew Kunz <RemoveMEakunzTakeThisOuTspamTDIPOWER.COM>
writes:
{Quote hidden}

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