GPIO驱动程序及测试程序

1、GPIO驱动程序，主要是GIO_Control :BOOL GIO_IOControl(DWORD hOpenContext,DWORD dwCode,PBYTE pBufIn,DWORD dwLenIn,PBYTE pBufOut,DWORD dwLenOut,PDWORD pdwActualOut)switch(dwCode)case IO_CTL_GPIO_A_CON:v_plOPregs-GPACON= *(DWORD*)pBufln;/GPACON SETbreak;case IO_CTL_GPIO_A_DAT_OUTPUT:v_pIOPregs-GPADAT= *(DWORD*)p

2、Bufln; /GPADAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_B_CON:v_pIOPregs-GPBCON= *(DWORD*)pBufln;/GPBCON SETbreak;case IO_CTL_GPIO_B_DAT_INPUT:Pin*(DWORD*)pBufOut=v_plOPregs-GPBDAT; /GPBDAT SET (INPUT) also for Functional break;case IO_CTL_GPIO_B_DAT_OUTPUT:v_pIOPregs-GPBDAT= *(DW

3、ORD*)pBufln; /GPBDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_B_UP:v_pIOPregs-GPBUP= *(DWORD*)pBufln;/GPBUP SET break;case IO_CTL_GPIO_C_CON:v_pIOPregs-GPCCON= *(DWORD*)pBufln;/GPCCON SETbreak;case IO_CTL_GPIO_C_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs-GPCDAT; /GPCDATSET (INPUT) also

4、 for Functional break;case IO_CTL_GPIO_C_DAT_OUTPUT:v_pIOPregs-GPCDAT= *(DWORD*)pBufln; /GPCDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_C_UP:v_pIOPregs-GPCUP= *(DWORD*)pBufIn;/GPCUP SETbreak;case IO_CTL_GPIO_D_CON:v_plOPregs-GPDCON= *(DWORD*)pBufln;/GPDCON SETbreak;case IO_CTL_GP

5、IO_D_DAT_INPUT:Pin*(DWORD*)pBufOut=v_plOPregs-GPDDAT; /GPDDATSET (INPUT) also for Functional break;case IO_CTL_GPIO_D_DAT_OUTPUT:v_pIOPregs-GPDDAT= *(DWORD*)pBufln; /GPDDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_D_UP:v_plOPregs-GPDUP= *(DWORD*)pBufln;/GPDUP SET break;case IO_CTL

6、_GPIO_E_CON:v_plOPregs-GPECON= *(DWORD*)pBufln;/GPECON SETbreak;case IO_CTL_GPIO_E_DAT_INPUT:Pin*(DWORD*)pBufOut=v_plOPregs-GPEDAT; /GPEDAT SET (INPUT) also for Functional break;case IO_CTL_GPIO_E_DAT_OUTPUT:v_pIOPregs-GPEDAT= *(DWORD*)pBufln; /GPEDAT SET (OUTPUT) also for Functional Pin break;case

7、IO_CTL_GPIO_E_UP:v_pIOPregs-GPEUP= *(DWORD*)pBufln;/GPEUP SET break;case IO_CTL_GPIO_F_CON:v_plOPregs-GPFCON= *(DWORD*)pBufln;/GPFCON SETbreak;case IO_CTL_GPIO_F_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs-GPFDAT;/GPFDAT SET (INPUT) also for Functional break;case IO_CTL_GPIO_F_DAT_OUTPUT:v_pIOPregs-GPFDAT

8、= *(DWORD*)pBufln; /GPFDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_F_UP:v_pIOPregs-GPFUP= *(DWORD*)pBufln;/GPFUP SETbreak;case IO_CTL_GPIO_G_CON:v_plOPregs-GPGCON= *(DWORD*)pBufln;/GPGCON SETbreak;case IO_CTL_GPIO_G_DAT_INPUT:Pin*(DWORD*)pBufOut=v_plOPregs-GPGDAT;/GPGDATSET (INPU

9、T) also for Functional break;case IO_CTL_GPIO_G_DAT_OUTPUT:v_pIOPregs-GPGDAT= *(DWORD*)pBufln; /GPGDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_G_UP:v_plOPregs-GPGUP= *(DWORD*)pBufln;/GPGUP SET break;case IO_CTL_GPIO_H_CON:v_plOPregs-GPHCON= *(DWORD*)pBufln;/GPHCON SETbreak;case I

10、O_CTL_GPIO_H_DAT_INPUT:Pin*(DWORD*)pBufOut=v_plOPregs-GPHDAT; /GPHDATSET (INPUT) also for Functional break;case IO_CTL_GPIO_H_DAT_OUTPUT:v_pIOPregs-GPHDAT= *(DWORD*)pBufln; /GPHDAT SET (OUTPUT) also for Functional Pin break;case IO_CTL_GPIO_H_UP:v_pIOPregs-GPHUP= *(DWORD*)pBufln;/GPHUP SET break;cas

11、e IO_CTL_GPIO_J_CON:v_plOPregs-GPJCON= *(DWORD*)pBufln;/GPJCON SETbreak;case IO_CTL_GPIO_J_DAT_INPUT:*(DWORD*)pBufOut=v_plOPregs-GPJDAT; /GPJDAT SET(INPUT) also for Functional break;case IO_CTL_GPIO_J_DAT_OUTPUT:v_pIOPregs-GPJDAT= *(DWORD*)pBufln; /GPJDAT SET (OUTPUT) also for Functional Pin break;c

12、ase IO_CTL_GPIO_J_UP:v_pIOPregs-GPJUP= *(DWORD*)pBufln;/GPJUP SET break;default: break;RETAILMSG(O,(TEXT(GPIO_Control:loctl code = Ox%xrn), dwCode); return TRUE;测试程序，封装了 2个输入输出GPIO函数，调用十分方便：#include #include #include #include #ifdef _DEBUG#define new DEBUG_NEW#endifDWORD RData,BUFCON,BUFOUT,BUFIN;st

13、ruct GPIODWORD GPIOCON;DWORD GPIOIN;DWORD GPIOOUT;struct GPIO GPA=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 ;/define and ch

14、oose GPIO/ CRelay2Dlg 对话框CRelay2Dlg:CRelay2Dlg(CWnd* pParent /*=NULL*/):CDialog(CRelay2Dlg:IDD, pParent)m_hlcon = AfxGetApp()-Loadlcon(IDR_MAINFRAME);void CRelay2Dlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);BEGIN_MESSAGE_MAP(CRelay2Dlg, CDialog)#if defined(_DEVICE_RESOLUTION_AWA

15、RE) & !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BOOL CRelay2Dlg: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

16、动 /执行此操作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(LGIO1:,GENERIC_READ | GENERIC_WRITE, 0,NULL,OPEN_EXISTING,0,NULL );/gpiodriver initif(!gpiodriver)MessageBox(L打开 GPIO设备失败！ ”)；return TRUE; /除非将焦点设置到控件，否则返回TRUE#if defined(_DEVICE_RESOLUTION_A

17、WARE) & !defined(WIN32_PLATFORM_WFSP)void CRelay2Dlg:OnSize(UINT /*nType*/, int /*cx*/, int /*cy*/)if (AfxlsDRAEnabled()DRA:RelayoutDialog(AfxGetResourceHandle(),this-m_hWnd,DRA:GetDisplayMode() != DRA:PortraitMAKEINTRESOURCE(IDD_RELAY2_DIALOG_WIDE):MAKEINTRESOURCE(IDD_RELAY2_DIALOG);#endifDWORD CRe

18、lay2Dlg:GPIOINPUT(DWORD GPIOCONQWORD GPIOINQWORD BUFCONQWORD BUFOU T )function is used for GPIO INPUT DWORD RData;DeviceloControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,GPIOIN,NULL,0,&BUFOUT,4,NULL,NULL);memcpy(&RData,&BUFOUT,4);return RData;DWORD CRelay2Dlg:GPIOIN

19、PUT1(structGPIO GP,USHORTIUM)/the function is used forGPIO INPUT BETTERBUFCON &=(3v(2*NUM);DeviceloControl(gpiodriver,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,NULL,0,&BUFOUT,4,NULL,NULL); memcpy(&RData,&BUFOUT,4);return RData;VOID CRelay2Dlg:GPIOOUTPUT(DWORD GPIOCONQWORD GPIOOUTQWORD BUFCONQWORD BUFN ) function is used for GPIO OUTPUTDeviceloControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL);DeviceloControl(gpiodriver,GPIOOUT,&BUFIN,4,NULL,0,NULL,0);VOID CRelay2Dlg:GPIOOUTPUT1(struct GPIOGP,USHORITUM,BYT田INSTATE)/the