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Configure serial loops?

Question asked by Mark Nordstrand on Jun 3, 2014
Latest reply on Jun 5, 2014 by Mark Nordstrand

A bit new to CodeWarriror, so maybe I'm missing something obvious...  Working with a K20 and will have a single-wire UART connection.  The datasheet outlines how to do this with the C1 register, but I'm not seeing how to do this w/ CW.  There is a "Loop Mode", but that looks more like a traditional loopback and the only options are Normal or Local loop-back.  So, my questions are 1) how do I (or can I) get at LOOPS and RSRC from CW? and 2) Is this something I have to code up myself?