N900 will not allow USB OTG! - Page 66 - maemo.org

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impatient	2010-03-22 , 09:54
Posts: 59 \| Thanked: 28 times \| Joined on Oct 2009	#651

Originally Posted by geohsia

Thanks for the idea but but I shoot with a DSLR and given the investment can't move systems just to send photos. I'm hoping the techno-gurus here are able to provide a more elegant solution.

I have a little box that you can plug an SD/CF card or USB drive in one side and a USB drive in the other then just select what files/folders to transfer, it is battery powered. I haven't tried it with the n900 yet as its still "being repaired" but as far as I am aware it should work fine. I got it from Maplin for about £20, but I can't find it on there now. I thought it was a genius idea at the time though I haven't used it much.

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flailingmonkey	2010-03-22 , 11:18
Posts: 60 \| Thanked: 144 times \| Joined on Jan 2010 @ Philadelphia	#652

I'm trying to follow these exciting technical developments in manually enabling host mode (compared to the logic involved in OTG detection). For the hostmode kernel drivers, would these not be available from TI, since the components are designed to work in OTG?

Hopefully closer inspection can soon reveal if the necessary capacitor exists or not!

But if all these stars align, would this mean host mode without crazy cables and other hardware hacks? In other words, would the micro-b receptacle be a non-issue with working chargepump, twiddling the right registers and hostmode kernel drivers?

	joerg_rw	2010-03-22 , 13:59
	Posts: 2,222 \| Thanked: 12,651 times \| Joined on Mar 2010 @ SOL 3	#653

Originally Posted by flailingmonkey

But if all these stars align, would this mean host mode without crazy cables and other hardware hacks? In other words, would the micro-b receptacle be a non-issue with working chargepump, twiddling the right registers and hostmode kernel drivers?

Yes, absolutely
The most crazy thing you need is a USB-A-FtoF adapter then
jOERG

attila77	2010-03-22 , 14:27
Posts: 3,319 \| Thanked: 5,610 times \| Joined on Aug 2008 @ Finland	#654

Originally Posted by geohsia

Thanks for the idea but but I shoot with a DSLR and given the investment can't move systems just to send photos. I'm hoping the techno-gurus here are able to provide a more elegant solution.

There are fairly cheap SD to CF adapters if you're CF based. Also, while not a cheap or battery friendly solution, Eye-Fi should (in theory, at least) work over WiFi (in ad-hoc mode).

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geohsia	2010-03-22 , 21:28
Posts: 515 \| Thanked: 259 times \| Joined on Jan 2010	#655

[QUOTE=qole;575494I dearly hope I'm wrong. I think that a custom kernel and a special cable isn't too ugly a solution... Maybe a special hand-held battery-powered hub that handles the hardware side of things... That would be fine, too...[/QUOTE]

Here's the thing. My HDD is battery powered so does not need power to the USB. In my case I should be able to just use the regular cable. Hopefully.

geohsia	2010-03-22 , 21:29
Posts: 515 \| Thanked: 259 times \| Joined on Jan 2010	#656

Originally Posted by impatient

I have a little box that you can plug an SD/CF card or USB drive in one side and a USB drive in the other then just select what files/folders to transfer, it is battery powered. I haven't tried it with the n900 yet as its still "being repaired" but as far as I am aware it should work fine. I got it from Maplin for about £20, but I can't find it on there now. I thought it was a genius idea at the time though I haven't used it much.

Let me know how it works!

geohsia	2010-03-22 , 21:33
Posts: 515 \| Thanked: 259 times \| Joined on Jan 2010	#657

Originally Posted by attila77

There are fairly cheap SD to CF adapters if you're CF based..

The only issue here is speed. I shoot video in HD 41Mb/s

Originally Posted by attila77

Also, while not a cheap or battery friendly solution, Eye-Fi should (in theory, at least) work over WiFi (in ad-hoc mode).

I've thought about the Eye-Fi but it is super power hungry I'm limited to the memory I have on my N900. If I can plug in my battery powered HDD then I can have access to 250GB vs 16.

v13	2010-03-22 , 21:36
Posts: 376 \| Thanked: 511 times \| Joined on Aug 2009 @ Greece	#658

Originally Posted by impatient

I have a little box that you can plug an SD/CF card or USB drive in one side and a USB drive in the other then just select what files/folders to transfer, it is battery powered. I haven't tried it with the n900 yet as its still "being repaired" but as far as I am aware it should work fine. I got it from Maplin for about £20, but I can't find it on there now. I thought it was a genius idea at the time though I haven't used it much.

I've tested something similar and transferred files from a camera to N900 but this is the one that acts as USB host (in both ends).

This is what I used but I don't know if it is related to this thread.

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	donaggio	2010-03-23 , 14:17
	Posts: 50 \| Thanked: 60 times \| Joined on Feb 2010 @ Venice, Italy	#659

Originally Posted by v13

I've tested something similar and transferred files from a camera to N900 but this is the one that acts as USB host (in both ends).

This is what I used but I don't know if it is related to this thread.

Yes, but with such a device you can copy image files from a camera to N900 (or the other way round), while with proper host mode support you could just attach a camera to the micro-USB port and browse your images from the device itself.

At least this is what I was hoping for when I started the MRAWViewer project, before knowing that N900 lacked USB host mode!

zimon	2010-03-24 , 15:32
Posts: 1,341 \| Thanked: 708 times \| Joined on Feb 2010	#660

Originally Posted by v13

I've tested something similar and transferred files from a camera to N900 but this is the one that acts as USB host (in both ends).

This is what I used but I don't know if it is related to this thread.

Is this device capable to be gateway to any kind of USB-device or just between mass storage USB-device and something else?

Say, can one connect USB DVB-T dongle through this, and it would work if N900 just had drivers?

Page 66 of 110

Active Topics

The N900 is now 15 years old! (8)

Sailfish OS for the Motorola Moto G7 Power (XT1955-5) - (ocean) (4)