[DEV][AADK] Google's Arduino based "ADK" Working on Nexus One

Nikropht · May 18, 2011

I managed to snag an Android Accessory Development Kit from Google IO.

After wrangling all the necessary code bits together I got the demo code running on the Arduino board and my Nexus One.

The first picture you can see the phone reading the sensors of the demo shield, button states, the temperature, a light sensor and the joystick position.

In the second picture the phone is controlling the led colors and has one relay turned on.

In the last picture you can see that the phone detects the board being plugged in, Android knows there is no app installed for the board and it cannot be found in market.

The Nexus One is running a rooted 2.3.4 ROM from this thread

P.S. Mod's can we get a forum section for Android Accessory Development?

Now for Pics.

nicholasblock · May 20, 2011

Now that is bad a**!!! I was waiting for something like this!!

ObsidianX · May 20, 2011

Hey, I've been attempting to hack in the support into CM7 (nightly, 2.3.4) on my EVO without much success. I've rebuilt the kernel with the necessary flag enabled and ripped the JAR/XML files from the Nexus S update.

I've monitored logcat and seen that it does find the framework JAR (the application wouldn't install otherwise since it's a needed feature) and a dmesg scan shows that the kernel driver is being initialized.

What's happening now is I plug in the ADK and the output from the Arduino board spams that it couldn't get a protocol version from the phone. The phone slows down to a crawl as its probably being spammed with requests from the ADK for a protocol version and doesn't know what to do.

I'm at a loss here as to what I could possibly be missing. If you have any insight through your own endeavors it would be much appreciated.

SoyoBro · May 21, 2011

Great stuff! I was also at Google I/O and picked up an ADK. Can you post the apk file of your app? I'd love to try it out.

And if you're feeling generous...the code?

typ_ex · May 21, 2011

badass. good ****

bharathp666 · May 21, 2011

Well done mate...
Have tried it out with arduino UNO?...

przemo_pl · May 21, 2011

uh uh, why i wasn't at the Google I/O

Google is doing really good s**t nowadays. I suppose that Arduino will guest in my house in some time as I am fascinated

Rock_Harder · May 21, 2011

I am Actually using the ADK with my Nexus One on an Arduino UNO and an USB-Host Shield from Sparkfun, it works equal but only take a fraction to buy it

My first project is an interface for my Audi, at the moment i only use it to start the Motor, but in future i want to try to build a CAN-BUS interface...

Nikropht · May 22, 2011

Sure here is the compiled ADK.

-Nik

Nikropht · May 22, 2011

bharathp666 said:
Well done mate...
Have tried it out with arduino UNO?...

The Arduino UNO doesn't have native USB Host support onboard like the megas.
You will need a USB Host shield and will have to modify the Arduino code.

Nikropht · May 22, 2011

SoyoBro said:
Great stuff! I was also at Google I/O and picked up an ADK. Can you post the apk file of your app? I'd love to try it out.

And if you're feeling generous...the code?

You can find all the ADK instructions and code here.

Note: When you select your build target you must choose
Target Name - Vendor - Platform - API Level
"Google APIs" - "Google Inc." - "2.3.3" - "10"

Otherwise you will get errors trying to build on the new libs. The instructions on the ADK page wern't very clear about this. Took me awhile to figure that one out.
You will need to update your Android SDK if you don't see those options.

-Nik

Rock_Harder · May 22, 2011

As for the point of using an arduino uno, Oleg is providing an newer version of his USB lib, it now works with his shield and the ADK.

My car is almost starting with the ADK, i am only missing a few relays and stuff to get it completed but i posted a proof of concept on youtube. Text an explanation is all german, sorry for that

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

if there are any questions Ill be here for you

knox420 · Jun 9, 2011

Great stuff. I am really looking forward to this.
But what I don't get is which hard- and software is required:

- is 2.3.4 sufficient?
Answer: YES
- do other devices (running 2.3.4) than the Nexus 1/S work?
Answer: Pending
- will an Arduino Duemilanove board work?
Answer: NO

Thanks for your help, guys

Besides those questions I have one more:
- assuming I have a board that is connected to a power supply. will i be able to charge an Android device when connecting the board to the handset via USB?
Answer: depends on the boards and its power consumption/outlet. Basically, it should

knox420 · Jul 4, 2011

Nikropht said:
P.S. Mod's can we get a forum section for Android Accessory Development?

+1 for a dedicated section.
I reckon it's gonna take off as soon as more USB host boards become available

Rock_Harder · Feb 23, 2012

My Arduino Duemilanove works perfectly

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[DEV][AADK] Google's Arduino based "ADK" Working on Nexus One

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