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Author Topic: error msg:Device descriptor cannot be retrieved. Trying again. android_4.0.4  (Read 467 times)
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ponmaheswaran
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« on: July 25, 2012, 12:54:11 am »
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Hi all,

 I am trying to get device descriptor http://www.circuitsathome.com/mcu/programming/android_adk_compatible_usb_host_library_release
 But got some error :
Device addressed... Requesting device descriptor.
Setup packet error: D
Device descriptor cannot be retrieved. Trying again

when i connect the arduino+usb host shield  with my android device then i am getting mass storage mode option but my application  does not get it as accessory

system info:
I am using Arduino Uno , sparkfun usb host shield , android galaxy nexus 4.0.4 and i am using usb host shield library https://github.com/felis/USB_Host_Shield/tree/dev

please help me out .... smiley-confuse

advance thanks smiley
Mahesh.
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rbjork
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« Reply #1 on: August 12, 2012, 10:50:08 am »
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I have a similar problem with using my Google Nexus S phone with Jelly Bean Android OS. I got this message once. But usually the message coming from the Arduino Serial monitor is the following:
Device addressed... Requesting device descriptor.
found possible device. swithcing to serial mode
could not read device protocol version
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