GPIO驅(qū)動程序及測試程序.doc

GPIO驅(qū)動程序，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_pIOPregs->GPACON= *(DWORD*)pBufIn;/GPACON SETbreak; case IO_CTL_GPIO_A_DAT_OUTPUT:v_pIOPregs->GPADAT= *(DWORD*)pBufIn; /GPADAT SET (OUTPUT) also for Functional Pinbreak; case IO_CTL_GPIO_B_CON: v_pIOPregs->GPBCON= *(DWORD*)pBufIn;/GPBCON SETbreak;case IO_CTL_GPIO_B_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPBDAT; /GPBDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_B_DAT_OUTPUT:v_pIOPregs->GPBDAT= *(DWORD*)pBufIn; /GPBDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_B_UP:v_pIOPregs->GPBUP= *(DWORD*)pBufIn;/GPBUP SETbreak; case IO_CTL_GPIO_C_CON: v_pIOPregs->GPCCON= *(DWORD*)pBufIn;/GPCCON SETbreak;case IO_CTL_GPIO_C_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPCDAT; /GPCDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_C_DAT_OUTPUT:v_pIOPregs->GPCDAT= *(DWORD*)pBufIn; /GPCDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_C_UP:v_pIOPregs->GPCUP= *(DWORD*)pBufIn;/GPCUP SETbreak; case IO_CTL_GPIO_D_CON: v_pIOPregs->GPDCON= *(DWORD*)pBufIn;/GPDCON SETbreak;case IO_CTL_GPIO_D_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPDDAT; /GPDDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_D_DAT_OUTPUT:v_pIOPregs->GPDDAT= *(DWORD*)pBufIn; /GPDDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_D_UP:v_pIOPregs->GPDUP= *(DWORD*)pBufIn;/GPDUP SETbreak; case IO_CTL_GPIO_E_CON: v_pIOPregs->GPECON= *(DWORD*)pBufIn;/GPECON SETbreak;case IO_CTL_GPIO_E_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPEDAT; /GPEDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_E_DAT_OUTPUT:v_pIOPregs->GPEDAT= *(DWORD*)pBufIn; /GPEDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_E_UP:v_pIOPregs->GPEUP= *(DWORD*)pBufIn;/GPEUP SETbreak;case IO_CTL_GPIO_F_CON: v_pIOPregs->GPFCON= *(DWORD*)pBufIn;/GPFCON SETbreak;case IO_CTL_GPIO_F_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPFDAT; /GPFDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_F_DAT_OUTPUT:v_pIOPregs->GPFDAT= *(DWORD*)pBufIn; /GPFDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_F_UP:v_pIOPregs->GPFUP= *(DWORD*)pBufIn;/GPFUP SETbreak; case IO_CTL_GPIO_G_CON: v_pIOPregs->GPGCON= *(DWORD*)pBufIn;/GPGCON SETbreak;case IO_CTL_GPIO_G_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPGDAT; /GPGDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_G_DAT_OUTPUT:v_pIOPregs->GPGDAT= *(DWORD*)pBufIn; /GPGDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_G_UP:v_pIOPregs->GPGUP= *(DWORD*)pBufIn;/GPGUP SETbreak; case IO_CTL_GPIO_H_CON: v_pIOPregs->GPHCON= *(DWORD*)pBufIn;/GPHCON SETbreak;case IO_CTL_GPIO_H_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPHDAT; /GPHDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_H_DAT_OUTPUT:v_pIOPregs->GPHDAT= *(DWORD*)pBufIn; /GPHDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_H_UP:v_pIOPregs->GPHUP= *(DWORD*)pBufIn;/GPHUP SETbreak; case IO_CTL_GPIO_J_CON: v_pIOPregs->GPJCON= *(DWORD*)pBufIn;/GPJCON SETbreak;case IO_CTL_GPIO_J_DAT_INPUT: *(DWORD*)pBufOut=v_pIOPregs->GPJDAT; /GPJDAT SET (INPUT) also for Functional Pinbreak; case IO_CTL_GPIO_J_DAT_OUTPUT:v_pIOPregs->GPJDAT= *(DWORD*)pBufIn; /GPJDAT SET (OUTPUT) also for Functional Pinbreak;case IO_CTL_GPIO_J_UP:v_pIOPregs->GPJUP= *(DWORD*)pBufIn;/GPJUP SETbreak; default:break; RETAILMSG(0,(TEXT("GPIO_Control:Ioctl code = 0x%xrn"), dwCode);return TRUE;測試程序，封裝了2個輸入輸出GPIO函數(shù)，調(diào)用十分方便:#include "stdafx.h"#include "Relay2.h"#include "Relay2Dlg.h"#include "GPIO_Driver.h"#ifdef _DEBUG#define new DEBUG_NEW#endifDWORD RData,BUFCON,BUFOUT,BUFIN;struct GPIO DWORD 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 choose GPIO / CRelay2Dlg 對話框CRelay2Dlg:CRelay2Dlg(CWnd* pParent /*=NULL*/): CDialog(CRelay2Dlg:IDD, pParent)m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);void CRelay2Dlg:DoDataExchange(CDataExchange* pDX)CDialog:DoDataExchange(pDX);BEGIN_MESSAGE_MAP(CRelay2Dlg, CDialog)#if defined(_DEVICE_RESOLUTION_AWARE) && !defined(WIN32_PLATFORM_WFSP)ON_WM_SIZE()#endif/AFX_MSG_MAPON_BN_CLICKED(IDC_BUTTON1, &CRelay2Dlg:OnBnClickedButton1)ON_BN_CLICKED(IDC_BUTTON2, &CRelay2Dlg:OnBnClickedButton2)END_MESSAGE_MAP()/ CRelay2Dlg 消息處理程序BOOL CRelay2Dlg:OnInitDialog()CDialog:OnInitDialog();/ 設(shè)置此對話框的圖標。當應(yīng)用程序主窗口不是對話框時，框架將自動/ 執(zhí)行此操作SetIcon(m_hIcon, TRUE);/ 設(shè)置大圖標SetIcon(m_hIcon, FALSE);/ 設(shè)置小圖標/ TODO: 在此添加額外的初始化代碼gpiodriver=CreateFile(L"GIO1:",GENERIC_READ | GENERIC_WRITE, 0,NULL,OPEN_EXISTING,0,NULL );/gpiodriver initif(!gpiodriver)MessageBox(L"打開GPIO設(shè)備失敗！");return TRUE; / 除非將焦點設(shè)置到控件，否則返回 TRUE#if defined(_DEVICE_RESOLUTION_AWARE) && !defined(WIN32_PLATFORM_WFSP)void CRelay2Dlg:OnSize(UINT /*nType*/, int /*cx*/, int /*cy*/)if (AfxIsDRAEnabled()DRA:RelayoutDialog(AfxGetResourceHandle(),this->m_hWnd,DRA:GetDisplayMode() != DRA:Portrait ?MAKEINTRESOURCE(IDD_RELAY2_DIALOG_WIDE) :MAKEINTRESOURCE(IDD_RELAY2_DIALOG);#endifDWORD CRelay2Dlg:GPIOINPUT(DWORD GPIOCON,DWORD GPIOIN,DWORD BUFCON,DWORD BUFOUT ) /the function is used for GPIO INPUT DWORD RData; DeviceIoControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL); DeviceIoControl(gpiodriver,GPIOIN,NULL,0,&BUFOUT,4,NULL,NULL);memcpy(&RData,&BUFOUT,4);return RData;DWORD CRelay2Dlg:GPIOINPUT1(struct GPIO GP,USHORT NUM ) /the function is used for GPIO INPUT BETTER BUFCON &=(3<<(2*NUM); DeviceIoControl(gpiodriver,GP.GPIOCON,&BUFCON,4,NULL,0,NULL,NULL); DeviceIoControl(gpiodriver,GP.GPIOIN,NULL,0,&BUFOUT,4,NULL,NULL); memcpy(&RData,&BUFOUT,4);return RData;VOID CRelay2Dlg:GPIOOUTPUT(DWORD GPIOCON,DWORD GPIOOUT,DWORD BUFCON,DWORD BUFIN ) /the function is used for GPIO OUTPUT DeviceIoControl(gpiodriver,GPIOCON,&BUFCON,4,NULL,0,NULL,NULL); DeviceIoControl(gpiodriver,GPIOOUT,&BUFIN,4,NULL,0,NULL,0);VOID CRelay2Dlg:GPIOOUTPUT1(struct GPIO GP,USHORT NUM,BYTE PINSTATE ) /the function is used for GPIO OUTPUT better if(GP.GPIOIN!=NULL) BUFCON=(BUFCON &(3<<(2*NUM)|(1<<(2*NUM);else BUFCON &=(1<<NUM);if(PINSTATE)BUFIN |=(1<<NUM);elseBUFIN &=(1<<NUM); DeviceIoControl(gpiodriver,GP.GPIOCON,&BUFCON,4,NULL,0,NULL,NULL); DeviceIoControl(gpiodriver,GP.GPIOOUT,&BUFIN,4,NULL,0,NULL,0);void CRelay2Dlg:OnBnClickedButton1()/ TODO: 在此添加控件通知處理程序代碼 GPIOOUTPUT1(GPB,8,1);GPIOINPUT1(GPB,7);GPIOOUTPUT1(GPB,6,0);GPIOOUTPUT1(GPB,5,0); / GPIOOUTPUT1(GPF,3,1); /GPF3 OUTPUT 1 GPIOOUTPUT1(GPF,2,0); /GPIOOUTPUT1(GPG,5,0);/GPIOOUTPUT1(GPG,7,1); void CRelay2Dlg:OnBnClickedButton2()/ TODO: 在此添加控件通知處理程序代碼 DWORD GetData; GetData =GPIOINPUT1(GPF,6); /GPF4 INPUTif(GetData&=(1<<6)MessageBox(_T("1"); elseMessageBox(_T("0");