M8 to do a USB game controller, four arrow keys, and 16 by a total of 20 key joystick.

DIY_AVR_20键游戏手柄\12键固件.hex
....................\20键游戏手柄源代码\Changelog.txt
....................\..................\checksize
....................\..................\devdesc.c
....................\..................\devdesc.h
....................\..................\devdesc.o
....................\..................\gamepad.h
....................\..................\License.txt
....................\..................\main.bin
....................\..................\main.c
....................\..................\main.hex
....................\..................\main.map
....................\..................\main.o
....................\..................\Makefile
....................\..................\SHELL_PATH.bat
....................\..................\snes_descriptor.c
....................\..................\twelve.c
....................\..................\twelve.h
....................\..................\twelve.o
....................\..................\usbconfig.h
....................\..................\...drv\Changelog.txt
....................\..................\......\CommercialLicense.txt
....................\..................\......\iarcompat.h
....................\..................\......\License.txt
....................\..................\......\oddebug.c
....................\..................\......\oddebug.h
....................\..................\......\oddebug.o
....................\..................\......\Readme.txt
....................\..................\......\usbconfig-prototype.h
....................\..................\......\usbdrv.c
....................\..................\......\usbdrv.h
....................\..................\......\usbdrv.o
....................\..................\......\usbdrvasm.asm
....................\..................\......\usbdrvasm.o
....................\..................\......\usbdrvasm.S
....................\..................\......\usbdrvasm12.S
....................\..................\......\usbdrvasm15.S
....................\..................\......\usbdrvasm16.S
....................\..................\......\usbdrvasm165.S
....................\..................\......\USBID-License.txt
....................\ATmega8实验不用烧录器\ATmega8实验不用烧录器.doc
....................\.....................\bin\win-driver\avrusbboot.inf
....................\.....................\...\..........\libusb0.dll
....................\.....................\...\..........\libusb0.sys
....................\.....................\Changelog.txt
....................\.....................\circuit\avrusbboot_example.png
....................\.....................\.......\Thumbs.db
....................\.....................\firmware\bootloaderconfig.h
....................\.....................\........\checksize
....................\.....................\........\main.bin
....................\.....................\........\main.c
....................\.....................\........\main.hex
....................\.....................\........\main.o
....................\.....................\........\Makefile
....................\.....................\........\usbconfig.h
....................\.....................\........\usbconfig_bak.h
....................\.....................\........\...drv\Changelog.txt
....................\.....................\........\......\iarcompat.h
....................\.....................\........\......\License.txt
....................\.....................\........\......\oddebug.c
....................\.....................\........\......\oddebug.h
....................\.....................\........\......\oddebug.o
....................\.....................\........\......\Readme.txt
....................\.....................\........\......\usbconfig-prototype.h
....................\.....................\........\......\usbdrv.c
....................\.....................\........\......\usbdrv.h
....................\.....................\........\......\usbdrv.o
....................\.....................\........\......\usbdrvasm.asm
...........

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