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I'm working with the stellaris launchpad on energia (version 1010E0009). I need to use two hardware serial ports, and I'm finding that it does not work. I've made a VERY simple sketch that demonstrates this behavior: When every port but one is commented out, the program runs fine. The light blinks, serial data moves, etc. When more than one is created, the first round of data goes out to each port, but it crashes somewhere. Often, the first few characters of the second loop begin printing on port zero. This doesn't happen when the delay(100) is in there. I'm not sure if this is a known bug or not, but it seems like the hardware serial library should be able to have multiple instances and work fine. Ideas?