Rockbox Player - Project to design and build a Free/Open hardware audio player

[casainho]

I don't have the Mini2440 with me now, so, I can't test it for now.

Bob did designed a board for ATA disk interface:


See all the info here: http://lyre.sourceforge.net/?q=content/ata-disk-interface

[coacharnold]

OK .... I've been using Rockbox for a few years and never saw this topic till today ... this looks fantastic..  I'm amazed ....i have two questions

1: can somebody give me a summary of where this project is?? has it gotten to a point where its just about ordering hardware and putting it together or still in heavy development??


2:  Feature request ..... I would kill to have something like this with a huge SATA drive and plug in power to sit on top of my stereo ....  has it gotten to a point where I can suggest putting a passive RCA output with some better audio output electronics to jack up the audiophile quality of the device...

I realize what I'm talking about is starting to get close to a simple linux flavored media box ... but even slight portability would be awesome ........ 

anyone have any thoughts?

[casainho]

Here: http://lyre.sourceforge.net/

Currently I am trying to build my own 3D printer based on RepRap, to be able to print a plastic enclosure for the Mini2440 board.

And about portable device, Opendous is still working on it and have good advances: http://code.google.com/p/opendous/wiki/LPC313x_DIP_Board

[angelwolf71885]

Here: http://lyre.sourceforge.net/

Currently I am trying to build my own 3D printer based on RepRap, to be able to print a plastic enclosure for the Mini2440 board.

And about portable device, Opendous is still working on it and have good advances: http://code.google.com/p/opendous/wiki/LPC313x_DIP_Board

have you considerd just making a clay or wood negative

and vacuforming a case for it?
then sending it ff to a CNC place to have it made in metal
and then finialy made into an injection mold?

[casainho]

have you considerd just making a clay or wood negative

and vacuforming a case for it?
then sending it ff to a CNC place to have it made in metal
and then finialy made into an injection mold?

No, I didn't consider such "looks complicated and expensive" thing.

Having a RepRap 3D printer looks much more simple and cheap ;-)

I hope to get a case like this:

[angelwolf71885]

have you considerd just making a clay or wood negative

and vacuforming a case for it?
then sending it ff to a CNC place to have it made in metal
and then finialy made into an injection mold?

No, I didn't consider such "looks complicated and expensive" thing.

Having a RepRap 3D printer looks much more simple and cheap ;-)

you can build one for little or nothing

out f a airhockey replacement bord a hoover and a big sheet of thin plastic
and a lamp to heat the plastic to flexible

and drop it over the item switch on the vac and thus you made a mold

hell you can have aglist a temp case in 5 mins

till you can git the 3d printer

[casainho]

have you considerd just making a clay or wood negative

and vacuforming a case for it?
then sending it ff to a CNC place to have it made in metal
and then finialy made into an injection mold?

No, I didn't consider such "looks complicated and expensive" thing.

Having a RepRap 3D printer looks much more simple and cheap ;-)

you can build one for little or nothing

out f a airhockey replacement bord a hoover and a big sheet of thin plastic
and a lamp to heat the plastic to flexible

and drop it over the item switch on the vac and thus you made a mold

hell you can have aglist a temp case in 5 mins

till you can git the 3d printer

Sorry, I don't understand how to do such thing. Would be easy for me if I could read and see pictures, example of such works...

[coacharnold]

Ok Wow .... your doing wonderful work ....   how long before you have a wiki up on how someone with only a little build experience can do this....

When will there be a test on the ATA interface??

Also is the any thought of designing it with a passive RCA output for home stereo?


Tim

PS: Where are you in Portugal ..... my girlfriend is from right outside Porto .....  if you need to reply or message me in Portuguese ....

[angelwolf71885]

have you considerd just making a clay or wood negative

and vacuforming a case for it?
then sending it ff to a CNC place to have it made in metal
and then finialy made into an injection mold?

No, I didn't consider such "looks complicated and expensive" thing.

Having a RepRap 3D printer looks much more simple and cheap ;-)

you can build one for little or nothing

out f a airhockey replacement bord a hoover and a big sheet of thin plastic
and a lamp to heat the plastic to flexible

and drop it over the item switch on the vac and thus you made a mold

hell you can have aglist a temp case in 5 mins

till you can git the 3d printer

Sorry, I don't understand how to do such thing. Would be easy for me if I could read and see pictures, example of such works...

will this video help?

http://www.youtube.com/watch?v=hGBRiYhxRTM

step by step

http://www.instructables.com/id/Make-a-good,-cheap,-upgradeable-sheet-plastic-vacu/

[casainho]

OK .... I've been using Rockbox for a few years and never saw this topic till today ... this looks fantastic..  I'm amazed ....i have two questions

1: can somebody give me a summary of where this project is?? has it gotten to a point where its just about ordering hardware and putting it together or still in heavy development??

You just need to buy the player on Ebay. After get the Rockbox SVN and build the bootloader and firmware for Mini2440 board, and after flash the bootloader on Mini2440. Firmware is placed as the music files, on SDCard.

You can get more info here: http://lyre.sourceforge.net/?q=content/mini2440-porting

And the video showing the system playing audio: http://lyre.sourceforge.net/?q=content/ladies-and-gentlemen-we-have-sound-mini2440

And I am very busy right now. I will try to answer other questions later or even better, I hope that Bob can also answer them ;-)

[bobc]

Ok Wow .... your doing wonderful work ....   how long before you have a wiki up on how someone with only a little build experience can do this....

When will there be a test on the ATA interface??

Also is the any thought of designing it with a passive RCA output for home stereo?

I just got the PCB back from the board house, I hope to be working on it in the next few weeks. The software driver for it should be easy.

I'm not sure what a line output entails, since I don't know much about analog design. If it is just a question of a suitable connector, that can be arranged.

Otherwise the major pieces of work missing are USB to enable data transfer and a suitable enclosure.

[angelwolf71885]

Ok Wow .... your doing wonderful work ....   how long before you have a wiki up on how someone with only a little build experience can do this....

When will there be a test on the ATA interface??

Also is the any thought of designing it with a passive RCA output for home stereo?

I just got the PCB back from the board house, I hope to be working on it in the next few weeks. The software driver for it should be easy.

I'm not sure what a line output entails, since I don't know much about analog design. If it is just a question of a suitable connector, that can be arranged.

Otherwise the major pieces of work missing are USB to enable data transfer and a suitable enclosure.

what about a battery management control chip?

[bobc]

what about a battery management control chip?

I have no plan for that, since the mini2440 is not designed for battery operation it uses too much power. The mini2440 is really only suitable for home/car operation. The PATA interface board has space for a 5V regulator, so I guess you could hook up a 9/12V battery pack if size/weight is not an issue.

I have been looking at designing a portable handheld DAP with a 1.8" disk, and if/when the mini2440 project is completed, I hope to work more on that. Hopefully the Opendous project will have produced some usable hardware by then which can be used as the basis for a design.

[casainho]

Otherwise the major pieces of work missing are USB to enable data transfer and a suitable enclosure.

I think Domonoky is trying to work on USB...

And for enclosure, I am working to get my RepRap alike 3D printer to work correcly, would be nice if in begin of January I could start printing and design one enclose for Mini2440. Is there anyone that knows how to design a plastic enclosure on Blender or other similar program?

As for now, I got this print object (video here):


And soon I will start offering the service of selling Mini2440 system with Rockbox working on it, and full of music files with Creative Commons License.

[casainho]

casainho, what media is your Reprap using? It looks like hot glue with air pockets. It does look interesting.

It's ABS.

I am not being able to print with detail... I have a lot to make in my printer for it full working. At least I already started to learn and design in 3D and I am sure I could now easily design a enclosure for Mini2440.