Added the main functionality

main.c

@@ -12,7 +12,7 @@ void LED_Control(char);
 
 int main(void)
 {
-
+    char recievedchar;
     SYSCTL_RCGCUART_R |= 0x80;   // Enable clock to UART7
     SYSCTL_RCGCGPIO_R |= 0x10;  // Enable port E for uart 7
 }