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Trouble Controlling MCP23017

Started by nickdesantis54 March 8, 2013
At first the I2C might be a hell to get working as it should. When I created my I2C "driver" the first thing I made was a chart of the possible states and the responses and actions that go with them.

I started coding from that.

--
Kevin
--- In l..., Tim Mitchell wrote:
>
> I have to confess, I had so much trouble getting the I2C peripheral to work properly that I wrote a bit-bang version instead for simple IO/eeprom type parts.
>
> --
> Tim Mitchell
>

An Engineer's Guide to the LPC2100 Series