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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   N900 will not allow USB OTG! (https://talk.maemo.org/showthread.php?t=31921)

qole 2009-10-19 21:46
Re: N900 will not allow USB OTG!
 
Would something like this Bluetooth USB Hub + Cardreader work? Or does it need to be plugged into a computer?

Matan 2009-10-19 22:10
Re: N900 will not allow USB OTG!
 
This (or something similar) came up in this thread a few times. It is a USB hub with a BT dongle (and a card reader) connected to it. Nothing that helps the N900.

bocaJ 2009-10-19 22:40
Re: N900 will not allow USB OTG!
 
The description of the device is kind of vague, Qole, but I think that yeah, it is really designed to be used by a device that has a USB port and give that device bluetooth.

Still, some sort of wireless device wouldn't be out of the question, I just have yet to see a bluetooth->USB Port device.

In the mean time, anyone try compiling the USB drivers that Quim has linked to several time?

allnameswereout 2009-10-19 22:52
Re: N900 will not allow USB OTG!
 
USB drivers??? Which???

Someone with Nokia N900 do benchmark on how much max throughput in mbps is when scp to copy to and from Nokia N900 using 802.11g, and USB. On Nokia N810 I got something like 24 mbit/sec; it never saturated over 802.11g. The reason this is interesting is to get clear the performance difference between 802.11g versus USB, to understand if 802.11g is a worthwhile contender.

attila77 2009-10-19 23:20
Re: N900 will not allow USB OTG!
 
USB is a LOT faster on the N900 than it was on the N8x0s. I'm getting fairly consistent 10MB+/s speeds without the N900 breaking a sweat. WiFi is also significantly faster, but not by as much as the USB.

bocaJ 2009-10-19 23:25
Re: N900 will not allow USB OTG!
 
Quote:
Originally Posted by allnameswereout (Post 351978)
USB drivers??? Which???

Someone with Nokia N900 do benchmark on how much max throughput in mbps is when scp to copy to and from Nokia N900 using 802.11g, and USB. On Nokia N810 I got something like 24 mbit/sec; it never saturated over 802.11g. The reason this is interesting is to get clear the performance difference between 802.11g versus USB, to understand if 802.11g is a worthwhile contender.

I said Quim, meant Qole, sorry. Anyways, he posted these drivers here. Hopefully the N800/810 USB adapter cable+Powered USB Hub+These drivers+lots of luck=Full USB support:

http://beaversource.oregonstate.edu/...sb/host?rev=34

allnameswereout 2009-10-19 23:47
Re: N900 will not allow USB OTG!
 
Quote:
Originally Posted by attila77 (Post 352004)
USB is a LOT faster on the N900 than it was on the N8x0s. I'm getting fairly consistent 10MB+/s speeds without the N900 breaking a sweat. WiFi is also significantly faster, but not by as much as the USB.
Thanks. Indeed, 802.11g max 54 mbit/sec, that is already much less than 10MB+/sec. I still would like to know the max over USB though.. :)

Texrat 2009-10-19 23:57
Re: N900 will not allow USB OTG!
 
Aaarrrggg!!!

/me commits to writing VBulletin macro that automatically bounces posts to appropriate topics.

allnameswereout 2009-10-20 00:32
Re: N900 will not allow USB OTG!
 
Quote:
Originally Posted by bocaJ (Post 352009)
I said Quim, meant Qole, sorry. Anyways, he posted these drivers here. Hopefully the N800/810 USB adapter cable+Powered USB Hub+These drivers+lots of luck=Full USB support:

http://beaversource.oregonstate.edu/...sb/host?rev=34
Why was this removed?

It was first move to http://beaversource.oregonstate.edu/...er=date&desc=1 btw 126 is last revision this tree existed.

Note several files got updated after revision 34!!! All the way up to revision 95, and outside of drivers/usb/host a few more revisions.

Comment of 83 is: "USB HOST IS WORKING-ISH RIGHT NOW!@#!@"

This comment however is 9 months old. The MicroUSB revision is from 24 may 2009.

The project is not hosted anymore on the page you referred that is why the last revision is 126. Here are correct links http://beaversource.oregonstate.edu/...i/CSPFL_Kernel

texaslabrat 2009-10-20 00:42
Re: N900 will not allow USB OTG!
 
Quote:
Originally Posted by allnameswereout (Post 351978)
USB drivers??? Which???

Someone with Nokia N900 do benchmark on how much max throughput in mbps is when scp to copy to and from Nokia N900 using 802.11g, and USB. On Nokia N810 I got something like 24 mbit/sec; it never saturated over 802.11g. The reason this is interesting is to get clear the performance difference between 802.11g versus USB, to understand if 802.11g is a worthwhile contender.
24Mbps is pretty much saturating 802.11g with tcp, actually. The 54Mbps is a theoretical max based on the signaling rate. When you add in the overhead from the various protocol layers as well as the TDMA-like stuff, the real-world speed is significantly lower.

http://www.oreillynet.com/wireless/2...hroughput.html


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