USB Host support

rhyang

Senior Member
May 16, 2013
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Used forced USB Host with verygreen's CM 10.2 8/30 SD card release on my HD+ and a USB F-F adapter. Works great with pen drives. Cannot get my SD card readers to work though (they work with my 2012 Nexus 7 and stickmount).

Is there a trick ? Special mount point ?

Reason I was interested in this was to read full-size SD cards from a digital camera while on the road. I guess the alternative is to use an SD-to-microSD adapter (Seiko Systems makes one).
 

verygreen

Senior Member
Feb 13, 2011
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Used forced USB Host with verygreen's CM 10.2 8/30 SD card release on my HD+ and a USB F-F adapter. Works great with pen drives. Cannot get my SD card readers to work though (they work with my 2012 Nexus 7 and stickmount).

Is there a trick ? Special mount point ?

Reason I was interested in this was to read full-size SD cards from a digital camera while on the road. I guess the alternative is to use an SD-to-microSD adapter (Seiko Systems makes one).
Your sdcard reader incorrectly claims it needs full 500mA current available.
Try getting a different one. I found that ones that have usbhub in them work well for me.
Another approach is to use a non-powered usb hub and just hide the adapter behind such a hub.
 
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rhyang

Senior Member
May 16, 2013
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Your sdcard reader incorrectly claims it needs full 500mA current available.
Try getting a different one. I found that ones that have usbhub in them work well for me.
Another approach is to use a non-powered usb hub and just hide the adapter behind such a hub.
Awesome. Just noticed it also seems to work when I connect the camera's USB cable to the HD+.
 

starbright_

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Apr 11, 2010
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Tried Huawei 3g dongle with pppwidget but it does not work. I am not sure what I am missing. Any one who succeeded accessing internet with 3g dongles on NOOK HD+?
Would be interested in this as well. How do get some debug infos while plugin the modem?

I also would like to use my USB GPS Mouse (which probably opens a serial port). Any way to operate with that? Couldn't found a setting to use external GPS in CM10.2
 

verygreen

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Feb 13, 2011
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Apr 30, 2013
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Wee! now I started seeing Flash Drive

:good:
this tidy little script is a winner

I now click on TPUSBUMount_v1.apk and USBHostSwitcher.apk
both have unmount /disconnect buttons

Which one do I press first?

Now I see the first flash drive on my unpowerred hub on /storage/usb0

Where is the second flash drive? ( I can not find the mount point)

What file manager works best with USB OTG Flash drives?

TIA Dave
 

iMisspell

Member
Oct 5, 2013
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Ive test out 5 thumb drives, three work, two do not.
The two the do not work with the Nook (CORSAIR Flash Voyager CMFUSB2.0-16GB and Transcend JetFlash 500 TS32GJF500 ) do work a Panasonic RX-D55 "bomb box", Sony ... car stereo and PC's and Laptop.

When i plug them in the light will blink one time on the CORSAIR and then nothing, the other does not do anything period.
Is there something i can do ?
Is it common for some to work and some not to work ?
I was gonna make a compatibility WIki article here at the site if it is common for some thumb drives to work and others not to, just so people know what to get.

_
 

rhyang

Senior Member
May 16, 2013
185
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SJC
Ive test out 5 thumb drives, three work, two do not.
The two the do not work with the Nook (CORSAIR Flash Voyager CMFUSB2.0-16GB and Transcend JetFlash 500 TS32GJF500 ) do work a Panasonic RX-D55 "bomb box", Sony ... car stereo and PC's and Laptop.

When i plug them in the light will blink one time on the CORSAIR and then nothing
I had a similar problem with an SD card reader. I'd try dubidu's app and see if that helps first. Read verygreen's explanations upthread also.

Sent from my Nexus 7 using XDA Premium HD app
 
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iMisspell

Member
Oct 5, 2013
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I had a similar problem with an SD card reader. I'd try dubidu's app and see if that helps first. Read verygreen's explanations upthread also.
Thanks so much, it worked a treat.
The two drives are now working, which is great, save me from buying a couple more.
Thanks again.

Heres a list i started to make, if any one would like to help out you can do so in this thread
http://forum.xda-developers.com/showthread.php?t=2477734


_
 
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