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Forum Post: RE: SW-EK-TM4C1294XL: EK-TM4C1294XL Eval board trying to set PortM Pin0 for a push button interrupt

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I added the IntEnable(INT_GPIOM) to the end of the Init function but now after I press the button, the UART display locks up and does not out put anything. Without the added line, it would register that the button is being pressed but ONLY if I'm turning the Optical encoder knob while pressing the button. If I just press the button, nothing occurs. I have the Switch output connected to PM0 at pin 41

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