i have keil v3.34 evolution vertion.in that real view compile already expired. so i am using GNU compiler in keil.now i am using HIDDEV code which is available keil site.i convert it in formate of gnu complier. and i also added startup code for gnu.now i loaded it in lpc2300(2368) kit.but usb conection still not find by PC.so how can i see output of this program.is there any setting for gnu complier for USB or not?