Rockbox Development > New Ports
Rockbox Player - Project to design and build a Free/Open hardware audio player
spark:
i believe the fun lies in the experience of designing the hardware ourselves (at least at schematic level). Since we already have the dev board schematics and lots of info on the net, what more do we need?
Once the schematics is finalized we can hunt for vendors to make the PCB.
We can start with the dev board schematics being replicated in kiCad and then modify other stages.
The dev board schematic is very hard to read since all things are put on a single page. The different stages (e.g. CPU, audio, lan, flash, RAM, etc) must be on separate pages with off page connectors and off page busses. This way it is very easy to read.
FYI: to use HDD in portable player you need to use the slim style (1.8") drives that are used in UMPCs. These are even smaller than laptop drives. I guess these don't come greater than 80GB to date.
http://www.hitachigst.com/portal/site/en/menuitem.791419b49758db5deb4703e3aac4f0a0/
They are relatively expensive that 2.5" drives but still they are cheaper than flash. you could buy a 20GB slim drive for under $80
if we can support IDE interface then we can support both CF cards and HD Drive on the same electrical interface.
casainho:
--- Quote from: spark on January 28, 2008, 03:32:30 AM ---Once the schematics is finalized we can hunt for vendors to make the PCB.
--- End quote ---
Thats another phase that I think we can avoid! Avoiding that means save a lot of money, resources! Olimex can do that PCBs, buy components, assembly and sell it on their online shop, worldwide - and even they have already a net of shops, representatives!!
As I am thinking, we just need to risky, invest our money at 1st phase, in this dev board, and on the next phase, all money investment and risky will be for Olimex or any other!! And have it available on online shop to every body is very important for the success of this idea!!
As you suggest, after finding a vendor for PCBs, who will buy components, assembly it in quantities and sell it online?
--- Quote from: spark on January 28, 2008, 03:32:30 AM ---FYI: to use HDD in portable player you need to use the slim style (1.8") drives that are used in UMPCs. These are even smaller than laptop drives. I guess these don't come greater than 80GB to date.
http://www.hitachigst.com/portal/site/en/menuitem.791419b49758db5deb4703e3aac4f0a0/
They are relatively expensive that 2.5" drives but still they are cheaper than flash. you could buy a 20GB slim drive for under $80
if we can support IDE interface then we can support both CF cards and HD Drive on the same electrical interface.
--- End quote ---
We can start writing this ideas on TWiki. I will ask to moderators to change the name of the page of the V1 and I will start another V1 page, to store this ideas.
scharkalvin:
--- Quote ---FYI: to use HDD in portable player you need to use the slim style (1.8") drives that are used in UMPCs. These are even smaller than laptop drives. I guess these don't come greater than 80GB to date.
http://www.hitachigst.com...9758db5deb4703e3aac4f0a0/
They are relatively expensive that 2.5" drives but still they are cheaper than flash. you could buy a 20GB slim drive for under $80
--- End quote ---
1.8" hard disks are more expensive that 2.5" laptop drives, but other than size they do not hold a big advantage for a use in a media player. You can get 2.5" HDD's up to 160gb cheaply. Using a 2.5" drive will require a larger case to put the player in, but savings in weight won't be that great over the 1.8" types. Anyway, using a 2.5" HDD wouldn't be out of the question. Also note that laptop drives are now going to SATA and this trend will spill over to the 1.8" size soon.
http://www.geeks.com/products_sc.asp?cat=414
http://www.geeks.com/products_sc.asp?cat=906
casainho:
Organization on TWiki:
RockboxPlayer - general page about the project:
http://www.rockbox.org/twiki/bin/view/Main/RockboxPlayer
RockboxPlayerPrototype - page about the prototype, made using a dev. board:
http://www.rockbox.org/twiki/bin/view/Main/RockboxPlayerPrototype
RockboxPlayerV1 - page to register ideas for the first commercial version of the player:
http://www.rockbox.org/twiki/bin/view/Main/RockboxPlayerV1
markun:
--- Quote from: scharkalvin on January 28, 2008, 07:39:47 AM ---Also note that laptop drives are now going to SATA and this trend will spill over to the 1.8" size soon.
--- End quote ---
Why do you think that? I would expect CE-ATA to be the new standard for 1.8" drives. It's used in the 160GB version of the ipod classic.
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