Rockbox Development > New Ports
Rockbox Player - Project to design and build a Free/Open hardware audio player
casainho:
Hello :-)
Recently I gave a presentation of Rockbox and Rockbox Player* on
OPorto, here in Portugal. A guy there gave me the contact of a
Portuguese company (In Motion - http://inmotion.pt/store/) that sells
online Arduino boards, break boards, etc.
I contacted that company by phone and we talked a bit about the
project. I will present it next Saturday, on personal, to the project
manager of that company. From what we talked by phone, at least he
will try to help me to submit the Rockbox Player project to SparkFun -
they should have a commercial relationship.
I was told that In Motion would like to sell a project like this one,
however, they may not have money for start the project nor know how...
Wish me luck ;-)
dkamin:
I had written a couple of weeks ago regarding an implementation of the Rockbox Player (Little) and am very close to having a final design. I intend to offer it for sale to those looking for one to play with. I should have the full prototype completed in the next couple of weeks and if all goes well, I will go into production shortly after.
Casainho, I would like to send you one of the prototypes when I get to that point so you can continue your development around my design. We can talk about this in the near future.
Do you have any idea how many people are interested in getting one of the players? They will be cheaper if I can make many rather than just a few. I also don't want to spend money when nobody is buying.
casainho:
--- Quote from: dkamin on March 03, 2009, 03:22:58 PM ---I had written a couple of weeks ago regarding an implementation of the Rockbox Player (Little) and am very close to having a final design. I intend to offer it for sale to those looking for one to play with. I should have the full prototype completed in the next couple of weeks and if all goes well, I will go into production shortly after.
Casainho, I would like to send you one of the prototypes when I get to that point so you can continue your development around my design. We can talk about this in the near future.
Do you have any idea how many people are interested in getting one of the players? They will be cheaper if I can make many rather than just a few. I also don't want to spend money when nobody is buying.
--- End quote ---
Oh, wait there!! I sent you a private message and you didn't answer or give any more explanations. Would be great if you want to work together.
First, you are not sharing any information about the hardware nor decide it with us. 2nd, if you want to work like that, you may end up alone and them you need to port the Rockbox firmware by yourself.
If you want cooperation, please start by sharing information and your ideas.
I am open to talk and work if you want to cooperate and help us and if we have the same objectives.
dkamin:
Ouch!!!!! I guess I deserve some of that, but not all of it.
I have not contributed before and don't know all the protocols, so be gentle.
In looking back at my original post, I see that I did not use much detail, as I assumed the basic design features were set: MCU, memory, display, codec, etc. I am doing nothing fancy at this point. At this time, the design is the same hardware you are working with today on the Olimex(Atmel eval kit) board with the addition of your expansion board and LED display. I am simply repackaging it for a handheld player.
I did not intend to deceive or withhold any information, but I can see how you came to that conclusion.
I hope all the bad stuff is behind us now. Let's move on to the fun stuff.
I question the need for the DATAFLASH. It seems you can use the 4K of internal ROM on the AT91 for the bootloader rather than external ROM. I will look further into this. I am not designing for any nandflash unless someone sees a need.
There will be no ethernet port or serial ports. One mini USB port and micro-SD are in in the current design.
The current design has a wheel like the sansa e200. What are your thoughts on that? I am not sure at this point.
I am looking at adding either the Si4720 or Si4721 for FM support both receive and transmit. Thoughts?
https://www.silabs.com/products/audiovideo/fmtransceivers/Pages/default.aspx
The one question remaining from earlier is related to user interface. What are the switches purpose on your expansion board? Up/Down, Play/Stop? Their placement depends on their purpose.
Future additions I am thinking about are GPS, Bluetooth(A2DP) and a larger display.
If there is something you would like added, let me know.
I will try to put together some docs for posting this weekend.
kugel.:
--- Quote from: dkamin on March 05, 2009, 10:11:12 AM ---Ouch!!!!! I guess I deserve some of that, but not all of it.
I have not contributed before and don't know all the protocols, so be gentle.
In looking back at my original post, I see that I did not use much detail, as I assumed the basic design features were set: [...], display, [...]
--- End quote ---
I hope not! This display is crap.
--- Quote ---
The current design has a wheel like the sansa e200. What are your thoughts on that? I am not sure at this point.
I am looking at adding either the Si4720 or Si4721 for FM support both receive and transmit. Thoughts?
https://www.silabs.com/products/audiovideo/fmtransceivers/Pages/default.aspx
The one question remaining from earlier is related to user interface. What are the switches purpose on your expansion board? Up/Down, Play/Stop? Their placement depends on their purpose.
Future additions I am thinking about are GPS, Bluetooth(A2DP) and a larger display.
--- End quote ---
I think a wheel is controversial. Because many people dislike wheels, and it probably raises the costs too.
We, the software project Rockbox, have some drivers for Si470x, this one could be reused well. The Si4702 even features RDS afaik. But those are receive only.
And I don't think GPS or Bluetooth is needed (Rockbox doesn't have any driver for that too), but maybe a larger and better display.
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