Why doesn't the NXT support high speed I2C?

[mightor]

That is a pretty fantastic development, John. Nice job!

- Xander

[aswin0]

That is very good news. I see the available sensors for the NXT are becoming more and more powerful. So I figure that the demand for higher sensor speeds will rise.

[mattallen37]

John, I just now had opportunity to read back and see your post. If you don't plan on releasing the official release until after mid Sep., I would take a test release to test the fast I2C (I can't really do anything with it until at least mid Sep.).

Thanks for implementing it Do you have any idea how fast it is?

[hippicurean]

What a fantastic development, Andy! Thanks. I'm using nxtOSEK which includes device drivers from leJOS. It doesn't seem like those drivers are tweaked in any way, although I may be mistaken. I'd like to know whether I could simply replace the existing "i2c.c" and "i2c.h" files with the latest versions in order to use the faster I2C speed. Or, are there are other files that need to be updated as well? I noticed that many of the files date from 2007 and 2008. This leads to the question of whether there would be any potential issues if I updated the entire lot with the current ones located in the leJOS repository. Naturally, these questions are open to everyone. Thanks and cheers!

[gloomyandy]

Hi,
I doubt very much if you could simply take the files. There have been a lot of changes to the leJOS firmware since 2007/2008... The basic structure is the same but there have been lots of changes to things like the memory management side. So it may be possible to port the new drivers, but they would need work...

Andy