I just started playing with TI’s MSP430 LaunchPad (MSP-EXP430G2) a few weeks ago and have found it surprisingly capable so far. But having to remember all those register names is not an easy task, especially if you do not use it often. So, inspired by this article (Header file brings Arduino sketches to the TI Launchpad) on Hack A Day, I decided to write a few functions that can simplify some of the more mundane tasks.
Here are some of the most used functions I have come up so far. Even though these functions were written specifically for the MSP430G2231 chip I have at hand, they can work with any MSP430G2 value line chips that support the specified functionality.
Here is the code listing for MSP430G2231Library.h (compiled using TI’s Code Composer Studio 5.1):
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The code above includes DCO/Crystal initialization routines. It also includes a few Arduino like functions (pinMode, digitalRead and digitalWrite). But I decided to go with the Port.Bit format instead of just a pin number since the Port.Bit information is printed on the launchpad itself and it is easier to reference that way. Finally, I included a couple of ADC routines that work with both the internal and external voltage references. The ADC routines shown above handles only one channel at a time for the time being.
I am planning on expanding this code to include more features in the near future.
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