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work on best low cost mp3 player for rockbox

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hunterleo:

--- Quote from: pamaury on October 28, 2015, 07:09:48 AM ---I am unsure if I undertsood your question properly: you meant which soc is supported by rockbox and is best to build a player with it ?

--- End quote ---

Yeah, you got it. You guys were building rockbox for players. I want to do it the other way around.

pamaury:
I see :) So obviously we support quite a number of SoC but not that many of them are still in production. I guess the following still are:

* Freescale i.MX233
* Rockchip 27xx
* Ingenic JZ47xx
* TCC 780xOtherwise, just choose any chip that matches the following requirements:

* reasonable 32-bit CPU (ARM, MIPS)
* documentation available (including booting procedure/format and so on)
* external memory interface, connected to at least 4 MB of RAM
* optional but better: hardware USB DFU/recovery modeI hope I listed everything.
Also it's far simpler if the device uses eMMC or microsd for storage and not raw flash (except possibly for the bootloader).
But all kinds of things are possible, like the Fiio X1 that uses a raw flash+SDRAM chip which contains the bootloader, and microsd for everything else.
The DAC does not need to be integrate in the SoC, same for power managment unit.

ZincAlloy:
Good sounding hardware would be nice. :) And even nicer if Rockbox would run efficiently on it.

And even if you're  aiming to make a very affordable player, make sure it will last a bit. Don't cheap out on buttons and jacks. I bet I'm not the only one who prefers a great value for money to an incredibly cheap product.

Speaking of buttons: Your current players don't have enough buttons to use Rockbox comfortably.

hunterleo:
Thanks a lots. Those suitable chips are quite old. Just talked with Rockchip. RK 27xxx discontinued. Current solutions are NANO-C and NANO-D.

NANO-C only has 1MB RAM. The specs of Nano-D is as attached. Is it great for Rockbox?

Which player is best for rockbox for now?

hunterleo:

--- Quote from: ZincAlloy on October 29, 2015, 09:12:24 AM ---Good sounding hardware would be nice. :) And even nicer if Rockbox would run efficiently on it.

And even if you're  aiming to make a very affordable player, make sure it will last a bit. Don't cheap out on buttons and jacks. I bet I'm not the only one who prefers a great value for money to an incredibly cheap product.

Speaking of buttons: Your current players don't have enough buttons to use Rockbox comfortably.

--- End quote ---

Thank you for the advice! Although we are aiming the mass market, but we don't use cheap material. The buttons were imported in Japan. Check out our new model. AGPTEK B03 has two more buttons to A02.

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