GPIO驱动程序及测试程序

1、GPIO驱动程序，主要是GIO_Cont：BOOLGIO_IOControl(DWORDhOpenContext,DWORDdwCode,PBYTEpBufIn,DWORDdwLenIn,PBYTEpBufOut,DWORDdwLenOut,PDWORDpdwActualOut)switch(dwCode)caseIO_CTL_GPIO_A_CON:v_plOPregs->GPACON=*(DWORD*)pBufln;/GPACONSETbreak;caseIO_CTL_GPIO_A_DAT_OUTPUT:v_pIOPregs->GPADAT=*(DWORD*)pBufln;/GP

2、ADATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_B_CON:v_pIOPregs->GPBCON=*(DWORD*)pBufln;/GPBCONSETbreak;caseIO_CTL_GPIO_B_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPBDAT;/GPBDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_B_DAT_OUTPUT:v_pIOPregs->GPBDAT=*(DWORD*)pBufln;/GPBDA

3、TSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_B_UP:v_pIOPregs->GPBUP=*(DWORD*)pBufln;/GPBUPSETbreak;caseIO_CTL_GPIO_C_CON:v_pIOPregs->GPCCON=*(DWORD*)pBufln;/GPCCONSETbreak;caseIO_CTL_GPIO_C_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPCDAT;/GPCDATSET(INPUT)alsoforFunctionalPinbreak;cas

4、eIO_CTL_GPIO_C_DAT_OUTPUT:v_pIOPregs->GPCDAT=*(DWORD*)pBufln;/GPCDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_C_UP:v_pIOPregs->GPCUP=*(DWORD*)pBufIn;/GPCUPSETbreak;caseIO_CTL_GPIO_D_CON:v_plOPregs->GPDCON=*(DWORD*)pBufln;/GPDCONSETbreak;caseIO_CTL_GPIO_D_DAT_INPUT:*(DWORD*)pBufOu

5、t=v_plOPregs->GPDDAT;/GPDDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_D_DAT_OUTPUT:v_pIOPregs->GPDDAT=*(DWORD*)pBufln;/GPDDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_D_UP:v_plOPregs->GPDUP=*(DWORD*)pBufln;/GPDUPSETbreak;caseIO_CTL_GPIO_E_CON:v_plOPregs->GPECON=*(DWO

6、RD*)pBufln;/GPECONSETbreak;caseIO_CTL_GPIO_E_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPEDAT;/GPEDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_E_DAT_OUTPUT:v_pIOPregs->GPEDAT=*(DWORD*)pBufln;/GPEDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_E_UP:v_pIOPregs->GPEUP=*(DWORD*)p

7、Bufln;/GPEUPSETbreak;caseIO_CTL_GPIO_F_CON:v_plOPregs->GPFCON=*(DWORD*)pBufln;/GPFCONSETbreak;caseIO_CTL_GPIO_F_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPFDAT;/GPFDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_F_DAT_OUTPUT:v_pIOPregs->GPFDAT=*(DWORD*)pBufln;/GPFDATSET(OUTPUT)alsoforF

8、unctionalPinbreak;caseIO_CTL_GPIO_F_UP:v_pIOPregs->GPFUP=*(DWORD*)pBufln;/GPFUPSETbreak;caseIO_CTL_GPIO_G_CON:v_plOPregs->GPGCON=*(DWORD*)pBufln;/GPGCONSETbreak;caseIO_CTL_GPIO_G_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPGDAT;/GPGDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_G_DAT_O

9、UTPUT:v_pIOPregs->GPGDAT=*(DWORD*)pBufln;/GPGDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_G_UP:v_plOPregs->GPGUP=*(DWORD*)pBufln;/GPGUPSETbreak;caseIO_CTL_GPIO_H_CON:v_plOPregs->GPHCON=*(DWORD*)pBufln;/GPHCONSETbreak;caseIO_CTL_GPIO_H_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPH

10、DAT;/GPHDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_H_DAT_OUTPUT:v_pIOPregs->GPHDAT=*(DWORD*)pBufln;/GPHDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_H_UP:v_pIOPregs->GPHUP=*(DWORD*)pBufln;/GPHUPSETbreak;caseIO_CTL_GPIO_J_CON:v_plOPregs->GPJCON=*(DWORD*)pBufln;/GPJCONSE

11、Tbreak;caseIO_CTL_GPIO_J_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs->GPJDAT;/GPJDATSET(INPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_J_DAT_OUTPUT:v_pIOPregs->GPJDAT=*(DWORD*)pBufln;/GPJDATSET(OUTPUT)alsoforFunctionalPinbreak;caseIO_CTL_GPIO_J_UP:v_pIOPregs->GPJUP=*(DWORD*)pBufln;/GPJUPSETbreak

12、;default:break;RETAILMSG(O,(TEXT("GPIO_Control:loctlcode=Ox%xrn"),dwCode);returnTRUE;测试程序，封装了2个输入输出GPIO函数，调用十分方便：#include"stdafx.h"#include"Relay2.h"#include"Relay2Dlg.h"#include"GPIO_Driver.h"#ifdef_DEBUG#definenewDEBUG_NEW#endifDWORDRData,BUFCON,BU

13、FOUT,BUFIN;structGPIODWORDGPIOCON;DWORDGPIOIN;DWORDGPIOOUT;structGPIOGPA=gpacon,NULL,gpaout,GPB=gpbcon,gpbin,gpbout,GPC=gpccon,gpcin,gpcout,GPD=gpdcon,gpdin,gpdout,GPE=gpecon,gpein,gpeout,GPF=gpfcon,gpfin,gpfout,GPG=gpgcon,gpgin,gpgout,GPH=gphcon,gphin,gphout,GPJ=gpjcon,gpjin,gpjout;/defineandchoose

14、GPIO/CRelay2Dlg对话框CRelay2Dlg:CRelay2Dlg(CWnd*pParent/*=NULL*/):CDialog(CRelay2Dlg:IDD,pParent)m_hlcon=AfxGetApp()->Loadlcon(IDR_MAINFRAME);voidCRelay2Dlg:DoDataExchange(CDataExchange*pDX)CDialog:DoDataExchange(pDX);BEGIN_MESSAGE_MAP(CRelay2Dlg,CDialog)#ifdefined(_DEVICE_RESOLUTION_AWARE)&&

15、;!defined(WIN32_PLATFORM_WFSP)ON_WM_SIZE()#endifAFX_MSG_MAPON_BN_CLICKED(IDC_BUTTON1,&CRelay2Dlg:OnBnClickedButton1)ON_BN_CLICKED(IDC_BUTTON2,&CRelay2Dlg:OnBnClickedButton2)END_MESSAGE_MAP()/CRelay2Dlg消息处理程序BOOLCRelay2Dlg:OnlnitDialog()CDialog:OnInitDialog();/设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动/执

16、行此操作Setlcon(m_hlcon,TRUE);/设置大图标Setlcon(m_hlcon,FALSE);/设置小图标/TODO:在此添加额外的初始化代码gpiodriver=CreateFile(L"GIO1:",GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,0,NULL);/gpiodriverinitif(!gpiodriver)MessageBox(L"打开GPIO设备失败！”)；returnTRUE;/除非将焦点设置到控件，否则返回TRUE#ifdefined(_DEVICE_RESOLUTION_A

17、WARE)&&!defined(WIN32_PLATFORM_WFSP)voidCRelay2Dlg:OnSize(UINT/*nType*/,int/*cx*/,int/*cy*/)if(AfxlsDRAEnabled()DRA:RelayoutDialog(AfxGetResourceHandle(),this->m_hWnd,DRA:GetDisplayMode()!=DRA:Portrait?MAKEINTRESOURCE(IDD_RELAY2_DIALOG_WIDE):MAKEINTRESOURCE(IDD_RELAY2_DIALOG);#endifDWORDC

18、Relay2Dlg:GPIOINPUT(DWORDGPIOCONQWORDGPIOINQWORDBUFCONQWORDBUFOUT)/thefunctionisusedforGPIOINPUTDWORDRData;DeviceloControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,GPIOIN,NULL,0,&BUFOUT,4,NULL,NULL);memcpy(&RData,&BUFOUT,4);returnRData;DWORDCRelay2Dlg

19、:GPIOINPUT1(structGPIOGP,USHORTNUM)/thefunctionisusedforGPIOINPUTBETTERBUFCON&=(3<v(2*NUM);DeviceloControl(gpiodriver,GP.GPIOCON,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,GP.GPIOIN,NULL,0,&BUFOUT,4,NULL,NULL);memcpy(&RData,&BUFOUT,4);returnRData;VOIDCRelay2Dlg:GPI

20、OOUTPUT(DWORDGPIOCONQWORDGPIOOUTQWORDBUFCON,DWORDBUFIN)/thefunctionisusedforGPIOOUTPUTDeviceloControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,GPIOOUT,&BUFIN,4,NULL,0,NULL,0);/thefunction/thefunctionVOIDCRelay2Dlg:GPIOOUTPUT1(structGPIOGP,USHORTNUM,BYTEPINSTATE)isusedforGPIOOUTPUTbetterif(GP.GPIOIN!=NULL)BUFCON=(BUFCON