[Tinyos-devel] Software UART

Ariel Mauricio Nunez Gomez ingenieroariel at gmail.com
Tue Sep 11 10:29:57 PDT 2007


Hello everyone on the list.

I would like to discuss the pros and cons of implementing a software UART on
tinyos.

To start the discussion, below is an application note from TI that
implements one on the MSP430 platform.

> *Implementing a UART Function with Timer_A3 (Rev. A)*<http://focus.ti.com/general/docs/techdocsabstract.tsp?abstractName=slaa078a>
>
>  This application report describes how to use timer_A3 to implement a UART
> function. The included examples are specifially for the MSP430x11x(1)
> family, but they can be adapted to any MSP430 family member incorporating
> timer_A. The UART function uses hardware features of the timer_A3, and
> software. The implementation is half-duplex, event-driven, and it supports
> an 8N1 protocol at baud rates from 1200 to 115200, and faster.
>
> Associated files:
>
> Pdf (http://www.ti.com/litv/pdf/slaa078a)
>
> Code (http://www.ti.com/litv/zip/slaa078a)
>
> Regards,
Ariel
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