puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));\r
 \r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+       sei();\r
 \r
        for (;;)\r
        {\r
                                if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
                                                                       sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
                                {\r
-                                       printf("Error Retrieving Configuration Descriptor.\r\n");\r
+                                       puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                        USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                        break;\r
                                if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,\r
                                                            ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)\r
                                {\r
-                                       printf("Attached Device Not a Valid CDC Class Device.\r\n");\r
+                                       puts_P(PSTR("Attached Device Not a Valid CDC Class Device.\r\n"));\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                        USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                        break;\r
                                \r
                                if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
                                {\r
-                                       printf("Error Setting Device Configuration.\r\n");\r
+                                       puts_P(PSTR("Error Setting Device Configuration.\r\n"));\r
                                        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
                                        USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
                                        break;\r
                                }\r
                                \r
-                               printf("CDC Device Enumerated.\r\n");\r
+                               puts_P(PSTR("CDC Device Enumerated.\r\n"));\r
                                LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
                                USB_HostState = HOST_STATE_Configured;\r
                                break;\r