topic Re: Configure serial loops? in CodeWarrior for MCU

Configure serial loops?

marknordstrand — Tue, 03 Jun 2014 13:29:57 GMT

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?

Re: Configure serial loops?

adriancano — Thu, 05 Jun 2014 15:26:49 GMT

Hi,

I think you mean you are using Processor Expert for the developing of your project. Unfortunately the AsynchroSerial component which uses the UART module does not support to implement the Single-wire feature in the component settings, this is something you need to code up by yourself.

There is another good option to set this register via Processor Expert's component. Add a Init_UART component and in the Component Inspector Window of this component you are able to write to this registers, like the image below shows.

I hope this information can help you.

Regards,

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Re: Configure serial loops?

marknordstrand — Thu, 05 Jun 2014 21:13:43 GMT

Yes, I did mean Processor Expert, my "newness" to this shows. Was expecting to write code, but the init_UART looks like it will help. Thanks.