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I'm trying out basic CAN communication on a Hercules microcontroller. This first test is to test an example project. Four CAN modules send an 8 char message out to themselves (so that we don't need external hardware).   What's tested here is how to set up CAN and how to use interrupt read-back.       The CAN example  This is the training code that comes with the HALCoGen configuration tool for Hercules. It uses the controller's internal loop back mechanism to se ...