This is based on the PIC18F4550 development demonstration USB firmware, use the MPLAB+ C18 development environment, coupled with Microchip' s development boards MCHPFSUSB use.

pic18f4550 usb设计 原理图 和源程序
..................................\Demo
..................................\....\autofiles
..................................\....\.........\usbcfg.h
..................................\....\.........\usbdsc.c
..................................\....\.........\usbdsc.h
..................................\....\CleanUp.bat
..................................\....\io_cfg.h
..................................\....\main.c
..................................\....\MCHPUSB.mcp
..................................\....\MCHPUSB.mcs
..................................\....\MCHPUSB.mcw
..................................\....\rm18f4550.lkr
..................................\....\system
..................................\....\......\interrupt
..................................\....\......\.........\interrupt.c
..................................\....\......\.........\interrupt.h
..................................\....\......\typedefs.h
..................................\....\......\usb
..................................\....\......\...\class
..................................\....\......\...\.....\generic
..................................\....\......\...\.....\.......\usbgen.c
..................................\....\......\...\.....\.......\usbgen.h
..................................\....\......\...\usb.h
..................................\....\......\...\usb9
..................................\....\......\...\....\usb9.c
..................................\....\......\...\....\usb9.h
..................................\....\......\...\usbctrltrf
..................................\....\......\...\..........\usbctrltrf.c
..................................\....\......\...\..........\usbctrltrf.h
..................................\....\......\...\usbdefs
..................................\....\......\...\.......\usbdefs_ep0_buff.h
..................................\....\......\...\.......\usbdefs_std_dsc.h
..................................\....\......\...\usbdrv
..................................\....\......\...\......\usbdrv.c
..................................\....\......\...\......\usbdrv.h
..................................\....\......\...\usbmmap.c
..................................\....\......\...\usbmmap.h
..................................\....\......\...\usb_compile_time_validation.h
..................................\....\user
..................................\....\....\temperature.c
..................................\....\....\temperature.h
..................................\....\....\user.c
..................................\....\....\user.h
..................................\....\_output
..................................\....\.......\MCHPUSB.map

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