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CCS/TM4C1294NCPDT: Using switches in Tiva Launchpad

Part Number: TM4C1294NCPDT


Tool/software: Code Composer Studio

 hello im using EK-TM4C1294 launch pad 

program to turn on led using switch (sw1 orsw0)
below is my code attached i dono wts wrong in this, when i run the code only led is turned on noswitch is working ,
if any mistake please share ur source code