3.1 GPIO输出控制实验
....................\gpio.h
....................\GPIOBeep
....................\........\ARMV4IRel
....................\........\.........\GPIOBeep.bsc
....................\........\.........\GPIOBeep.exe
....................\........\.........\GPIOBeep.obj
....................\........\.........\GPIOBeep.pch
....................\........\.........\GPIOBeep.res
....................\........\.........\GPIOBeep.sbr
....................\........\.........\GPIOBeepDlg.obj
....................\........\.........\GPIOBeepDlg.sbr
....................\........\.........\StdAfx.obj
....................\........\.........\StdAfx.sbr
....................\........\gpio.h
....................\........\GPIOBeep.aps
....................\........\GPIOBeep.cpp
....................\........\GPIOBeep.exe
....................\........\GPIOBeep.h
....................\........\GPIOBeep.rc
....................\........\GPIOBeep.vcb
....................\........\GPIOBeep.vcc
....................\........\GPIOBeep.vcl
....................\........\GPIOBeep.vco
....................\........\GPIOBeep.vcp
....................\........\GPIOBeep.vcw
....................\........\GPIOBeepDlg.cpp
....................\........\GPIOBeepDlg.h
....................\........\newres.h
....................\........\ReadMe.txt
....................\........\res

....................\........\...\GPIOBeep.rc2
....................\........\Resource.h
....................\........\StdAfx.cpp
....................\........\StdAfx.h