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Author Topic: USB support for Ndless -  (Read 1644 times) Bookmark and Share
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« on: 31 March, 2012, 20:46:43 »
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Today, ExtendeD reports on his blog he managed to make USB work on Ndless. Support is rather instable and preliminary right now, but his demo program, which only requires a few lines of code, shows the name of the USB device plugged in.



Obviously, this opens new doors to Nspire development, as you can write programs that uses USB devices, such as flash drives, mice, keyboards, name it. You have to write your own driver though, but porting existing BSD drivers should be possible as the TI-Nspire OS USB stack is a modified version of the BSD one.

Sources:
http://ndlessly.wordpress.com/2012/03/31/usb-hacking/
http://tiplanet.org/forum/viewtopic.php?t=8974&p=122291#p122291
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« Reply #1 on: 31 March, 2012, 20:55:08 »
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So this works with Fat32 drives, judging by the 4gig size?  Cool Cheesy
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« Reply #2 on: 31 March, 2012, 20:59:14 »
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Any USB host works with FAT32 drives if a FAT32 driver is written for it (and currently there are no USB drivers for Ndless Tongue)
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« Reply #3 on: 31 March, 2012, 21:11:17 »
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Wow, this is cool o.o
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« Reply #4 on: 01 April, 2012, 00:22:58 »
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i cant wait till this comes out
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« Reply #5 on: 01 April, 2012, 01:20:24 »
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Wow, great work here! I'm looking forward to seeing this

I've also been trying to get USB OTG working except I've had no success Big smile
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« Reply #6 on: 01 April, 2012, 04:49:04 »
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I didn't think this would be accomplished within the next few years, considering how long it took on the 84+ for some people to handle USB programming shocked
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« Reply #7 on: 01 April, 2012, 05:12:42 »
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Quote from: DJ_O on 01 April, 2012, 04:49:04
I didn't think this would be accomplished within the next few years, considering how long it took on the 84+ for some people to handle USB programming shocked
Yeah, that is what I thought. I am glad for this, especially for when I get my hands on an Nspire...
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Spoiler for Graphiti:
This is a graph explorer for graph theory. It will require lots of work to finish. Currently you can:
Add/delete vertices
Add edges (direction not shown, but they are directed)
Arrange vertices in a circle (in the future, you will be able to define levels of rings and the number of nodes in each)
Create complete graphs quickly

Plans:
Add adjacency matrix viewer
Deleting edges
Multiple graphs support
Arrows for directed graphs
Planarity testing
Matrix operations
Weighted edges
Chromatic polynomials
Chromatic numbers

Spoiler for Stats:

Samocal             [o---------]
Virtual Processor   [o---------]
EnG                 [oo--------]
Grammer             [ooo-------]
AsmComp             [ooo-------]
Partex              [oooo------]
BatLib              [oooooooo--]
Grammer82           [----------]
Grammer68000        [----------]


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« Reply #8 on: 01 April, 2012, 08:29:50 »
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Quote from: Xeda112358 on 01 April, 2012, 05:12:42
Quote from: DJ_O on 01 April, 2012, 04:49:04
I didn't think this would be accomplished within the next few years, considering how long it took on the 84+ for some people to handle USB programming shocked
Yeah, that is what I thought. I am glad for this, especially for when I get my hands on an Nspire...
When you'll receive the CX CAS you won at the zContest Tongue

Also, this is great news Cheesy
The CX already had a lot of memory, now I see mine with a 500 GB external hard drive on it Tongue
("disque dur" se dit bien "hard drive" ? ou "hard disk ?")

edit: Multiplayer games !!! I must have had too much radiation for breakfast...
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« Reply #9 on: 01 April, 2012, 08:39:02 »
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("disque dur" se dit bien "hard drive" ? ou "hard disk ?")
Usually Hard Disk Drive, and Solid State Drive Smiley

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edit: Multiplayer games !!!
Indeed. A host-capable controller, such as the ones in the 84+(SE), the 89T and the Nspire, ought to be able to drive a hub (externally powered), and therefore multiple Human Interaction Devices connected to the hub.
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« Reply #10 on: 01 April, 2012, 13:18:23 »
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Wow!
Once again, the Ndless team amazes us!

I'm not sure that the USB key is useful since the Nspire has a huge flash memory...
But it could be used as a very convenient way to send documents to the handheld.
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« Reply #11 on: 01 April, 2012, 13:46:30 »
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This is awesome!
All those games, videos, images and lots of other stuff  Shocked
[grabs 1TB harddrive]  Cool

Ndless team, you amaze me again.  Grin
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« Reply #12 on: 01 April, 2012, 14:31:09 »
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this opens the possibility of making the emulator of bigger games (SNES?) Cheesy
Great job, people! Big smile
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« Reply #13 on: 01 April, 2012, 17:54:50 »
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I do believe in this Cheesy this is another point in history! How easy can it be to use BSD drivers without changes?
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« Reply #14 on: 02 April, 2012, 19:55:05 »
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It's currently not yet possible, but it hopefully will. The most difficult part is to extract all the dependencies of the driver (for example mass storage also requires SCSI, FAT32, ...)
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