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class for SCI on TMS320F28335

Two years ago I created a SCI class that made using the SCI in a C++ application quite easy.  I had nice marco/polo example using two task classes that I defined that used the SCI to send messages back and forth ( another class was used for serial message dispatching).


Now two years later I'm returning to it and CCS has been upgraded and so has BIOS and my marco/polo example is broken.  I have attached a simple app that simply tries to send out "hello world" through the SCI.  It is breaking saying that INT 19 is unplugged.

Any help would be appreciated, the project is attached.2626.Class example.zip