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3D RoboticsPermalink Reply by Chris Anderson on September 30, 2010 at 8:49pm

What SourceForge repository?

The 328 talks to the Atmega1280 via a single digital pin, which reads PPM.

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Permalink Reply by Zigmond Floyed on September 30, 2010 at 9:16pm

Thanks for responding to my question about the ArduPilot Mega CPU-CPU communication. BTW-I wrote SourceForge repository and I meant to say GoogleCode.

You say that there is a single line that that passes PPM signal. Unfortunately this info remains ambiguous to me at that level so here are some more specific questions:

1. If there is a single line for communication between the 1280 and the 328 what are the pins numbers on each CPU that this line connects?
2. Is the communication one way as in the 1280 feeds PPM signal to the 328 and does not receive any information back from the 328?
3. Is there a provision for "real" inter-processor communication on the board that will allow cooperation between the two uPs?

Thanks,

-Zigi

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3D RoboticsPermalink Reply by Chris Anderson on September 30, 2010 at 9:35pm

1) yes, IC4
2) one way
3) Not in the current code.

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