This is USB to COM source for PIC18F2550 Microchip controller
File list:
USB2COM
......\usb_serial.bak
......\usb_serial.c
......\usb_serial.cof
......\usb_serial.err
......\usb_serial.esym
......\usb_serial.hex
......\usb_serial.lst
......\usb_serial.PJT
......\usb_serial.sta
......\usb_serial.sym
......\usb_serial.tre