Thread: Producing Qwerty OtherHalf --order counter: 75/75 --ordering closed
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TemeV is offline TemeV
2013-10-17 , 15:43
Posts: 121 | Thanked: 231 times | Joined on Oct 2013
#122
Originally Posted by mikecomputing View Post
hmm hakish? Hmm... most "example codes" I have seen on those CPU:s I have worked with (CortexMx and ATXMega) takes care of multimaster mode so to me it this seems its often used that way? But I could be wrong I have not used it in any application cause as u say most time mainCPU is master but in this case it MAY be where it (should) be used. But again I could be wrong...
Yes, most CPUs can handle the multimaster mode, but basically none of the peripherals can. Keyboard acting as master would sound a bit weird to me, but if interrupt line is not possible, multimaster mode could be a solution. Well now that Rainisto gave us some more info we don't have to speculate on this.

1.8V i2c with interrupt line makes it quite simple to make a keyboard. Electrically I mean. Mechanics is quite a different story, and about that I know nothing about
 

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