+#elif defined (STELLARIS_ARM_CORTEX_M4)\r
+# define _CONCAT(a,b) a##b\r
+# define CONCAT(a,b) _CONCAT(a,b)\r
+# define IRMP_PORT_PERIPH CONCAT(SYSCTL_PERIPH_GPIO, IRMP_PORT_LETTER)\r
+# define IRMP_PORT_BASE CONCAT(GPIO_PORT, CONCAT(IRMP_PORT_LETTER, _BASE))\r
+# define IRMP_PORT_PIN CONCAT(GPIO_PIN_, IRMP_BIT_NUMBER)\r
+# define IRMP_PIN IRMP_PORT_PIN\r
+# define input(x) ((uint8_t)(ROM_GPIOPinRead(IRMP_PORT_BASE, IRMP_PORT_PIN)))\r
+# define sei() IntMasterEnable()\r