AT91SAM9263 WINCE 6.0 R2驱动开发-GPIO流驱动的实现以及应用程序的调用

1.实现GPIO的流驱动，源代码如下

#include <windows.h>#include <types.h>#include <ceddk.h>#include <memory.h>#include <nkintr.h>#include <pegdpar.h>#include <ddkreg.h>#include <Winuser.h>#include "AT91SAM9263_oal_intr.h"#include "atmel_spi_ioctl.h"#include "AT91SAM9263EK_ioctl.h"#include"at91sam9263_gpio.h"#define GIO_WRITE0CTL_CODE(FILE_DEVICE_SERIAL_PORT, 2059, METHOD_BUFFERED, FILE_ANY_ACCESS)#define GIO_WRITE1CTL_CODE(FILE_DEVICE_SERIAL_PORT, 2060, METHOD_BUFFERED, FILE_ANY_ACCESS)#define GIO_READCTL_CODE(FILE_DEVICE_SERIAL_PORT, 2061, METHOD_BUFFERED, FILE_ANY_ACCESS)// 0const struct pio_desc hw_pic20out[] = {{"OUT",AT91C_PIN_PC(20), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pic20in[] = {{"OUT",AT91C_PIN_PC(20), 0, PIO_PULLUP, PIO_INPUT},};// 1const struct pio_desc hw_pic21out[] = {{"OUT",AT91C_PIN_PC(21), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pic21in[] = {{"OUT",AT91C_PIN_PC(21), 0, PIO_PULLUP, PIO_INPUT},};// 2const struct pio_desc hw_pic22out[] = {{"OUT",AT91C_PIN_PC(22), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pic22in[] = {{"OUT",AT91C_PIN_PC(22), 0, PIO_PULLUP, PIO_INPUT},};// 3const struct pio_desc hw_pic23out[] = {{"OUT",AT91C_PIN_PC(23), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pic23in[] = {{"OUT",AT91C_PIN_PC(23), 0, PIO_PULLUP, PIO_INPUT},};// 4const struct pio_desc hw_pic24out[] = {{"OUT",AT91C_PIN_PC(24), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pic24in[] = {{"OUT",AT91C_PIN_PC(24), 0, PIO_PULLUP, PIO_INPUT},};// 5const struct pio_desc hw_pie18out[] = {{"OUT",AT91C_PIN_PE(18), 0, PIO_PULLUP, PIO_OUTPUT},};const struct pio_desc hw_pie18in[] = {{"OUT",AT91C_PIN_PE(18), 0, PIO_PULLUP, PIO_INPUT},};BOOL APIENTRY DllMain( HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved ){ switch (ul_reason_for_call){case DLL_PROCESS_ATTACH://RETAILMSG(0,(TEXT("GIO Process Attach/r/n")));break;case DLL_THREAD_ATTACH://RETAILMSG(0,(TEXT("GIO Thread Attach/r/n")));break;case DLL_THREAD_DETACH://RETAILMSG(0,(TEXT("GIO Thread Detach/r/n")));break;case DLL_PROCESS_DETACH://RETAILMSG(0,(TEXT("GIO Process Detach/r/n")));break; } return TRUE;}DWORD GIO_Init(LPCTSTR pContext,LPCVOID lpBusContext) {RETAILMSG(1,(TEXT("+GIO_Init/r/n")));RETAILMSG(1,(TEXT("-GIO_Init/r/n"))); return(TRUE);}BOOL GIO_Deinit(LPCTSTR hDeviceContext){ return TRUE;} DWORD GIO_Open(LPCTSTR hDeviceContext,DWORD AccessCode,DWORD ShareMode){return (DWORD)hDeviceContext;} DWORD GIO_Close(LPCTSTR pOpenContext){return TRUE;} DWORD GIO_Write(LPCTSTR pOpenContext,LPCVOID pBuffer,DWORD Count){return -1;}DWORD GIO_Read(LPCTSTR pOpenContext,LPCVOID pBuffer,DWORD Count){return -1;}BOOL GIO_IOControl(DWORD hOpenContext, DWORD dwCode, PBYTE pBufIn, DWORD dwLenIn, PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut){BOOL bError = FALSE;RETAILMSG(1,(TEXT("+GIO_IOControl/r/n")));switch(dwCode){case GIO_READ:switch(*pBufIn){case 0:pio_setup(hw_pic20in, sizeof(hw_pic20in)/sizeof(struct pio_desc));*(DWORD *)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PC(20)));break;case 1:pio_setup(hw_pic21in, sizeof(hw_pic21in)/sizeof(struct pio_desc));*(DWORD*)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PC(21)));break;case 2:pio_setup(hw_pic22in, sizeof(hw_pic22in)/sizeof(struct pio_desc));*(DWORD *)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PC(22)));break;case 3:pio_setup(hw_pic23in, sizeof(hw_pic23in)/sizeof(struct pio_desc));*(DWORD *)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PC(23)));break;case 4:pio_setup(hw_pic24in, sizeof(hw_pic24in)/sizeof(struct pio_desc));*(DWORD *)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PC(24)));break;case 5:pio_setup(hw_pie18in, sizeof(hw_pie18in)/sizeof(struct pio_desc));*(DWORD *)pBufOut=(DWORD)(pio_get_value(AT91C_PIN_PE(18)));break;default:break;}break;case GIO_WRITE0:switch(*pBufIn){case 0:pio_setup(hw_pic20out, sizeof(hw_pic20out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(20), 0);break;case 1:pio_setup(hw_pic21out, sizeof(hw_pic21out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(21), 0);break;case 2:pio_setup(hw_pic22out, sizeof(hw_pic22out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(22), 0);break;case 3:pio_setup(hw_pic23out, sizeof(hw_pic23out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(23), 0);break;case 4:pio_setup(hw_pic24out, sizeof(hw_pic24out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(24), 0);break;case 5:pio_setup(hw_pie18out, sizeof(hw_pie18out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PE(18), 0);break;}break;case GIO_WRITE1:switch(*pBufIn){case 0:pio_setup(hw_pic20out, sizeof(hw_pic20out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(20), 1);break;case 1:pio_setup(hw_pic21out, sizeof(hw_pic21out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(21), 1);break;case 2:pio_setup(hw_pic22out, sizeof(hw_pic22out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(22), 1);break;case 3:pio_setup(hw_pic23out, sizeof(hw_pic23out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(23), 1);break;case 4:pio_setup(hw_pic24out, sizeof(hw_pic24out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PC(24), 1);break;case 5:pio_setup(hw_pie18out, sizeof(hw_pie18out)/sizeof(struct pio_desc));pio_set_value(AT91C_PIN_PE(18),1);break;}break;}RETAILMSG(1,(TEXT("-GIO_IOControl/r/n")));return bError;}DWORD GIO_Seek(LPCTSTR pOpenContext,LPCVOID pBuffer,DWORD Count){ return -1;}

2.sources文件

!if 0Copyright (c) 2005. Samsung Electronics, co. ltd. All rights reserved.!endif!if 0Use of this source code is subject to the terms of the Microsoft end-userlicense agreement (EULA) under which you licensed this SOFTWARE PRODUCT.If you did not accept the terms of the EULA, you are not authorized to usethis source code. For a copy of the EULA, please see the LICENSE.RTF on yourinstall media.!endifRELEASETYPE=PLATFORMTARGETNAME=IOTARGETTYPE=DYNLINKDLLENTRY=DllMainSOURCES= / IO.cpp /TARGETLIBS= / $(_COMMONSDKROOT)/lib/$(_CPUINDPATH)/coredll.lib /SOURCELIBS= / $(_TARGETPLATROOT)/lib/$(_CPUDEPPATH)/gpio.lib /MSC_WARNING_LEVEL = $(MSC_WARNING_LEVEL) /W3 /WXINCLUDES= $(_TARGETPLATROOT)/SRC/inc;$(_COMMONOAKROOT)/inc;$(INCLUDES)

3.def文件

;; Copyright (c) Microsoft Corporation. All rights reserved.;;; Use of this source code is subject to the terms of the Microsoft end-user; license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.; If you did not accept the terms of the EULA, you are not authorized to use; this source code. For a copy of the EULA, please see the LICENSE.RTF on your; install media.;EXPORTSGIO_InitGIO_DeinitGIO_OpenGIO_CloseGIO_ReadGIO_WriteGIO_SeekGIO_IOControl

4.Reg文件

[HKEY_LOCAL_MACHINE/Drivers/BuiltIn/IO] "Prefix"="GIO" "Index"=dword:1 "Dll"="IO.dll" "Order"=dword:12

5.应用程序调用

// GPIODEMODlg.cpp : implementation file//#include "stdafx.h"#include "GPIODEMO.h"#include "GPIODEMODlg.h"#ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CGPIODEMODlg dialog/************************************************************************///我们在这里手动添加GPIO测试相关的代码//定义相关IO control code，需要用到winioctl.h文件#include <winioctl.h> #define GIO_WRITE0CTL_CODE(FILE_DEVICE_SERIAL_PORT, 2059, METHOD_BUFFERED, FILE_ANY_ACCESS)#define GIO_WRITE1CTL_CODE(FILE_DEVICE_SERIAL_PORT, 2060, METHOD_BUFFERED, FILE_ANY_ACCESS)#define GIO_READCTL_CODE(FILE_DEVICE_SERIAL_PORT, 2061, METHOD_BUFFERED, FILE_ANY_ACCESS)//定义驱动句柄HANDLE m_hFile;//定义IO序号INT i=0;/************************************************************************/CGPIODEMODlg::CGPIODEMODlg(CWnd* pParent /*=NULL*/): CDialog(CGPIODEMODlg::IDD, pParent){//{{AFX_DATA_INIT(CGPIODEMODlg)m_state = _T("");//}}AFX_DATA_INIT// Note that LoadIcon does not require a subsequent DestroyIcon in Win32m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);}void CGPIODEMODlg::DoDataExchange(CDataExchange* pDX){CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CGPIODEMODlg)DDX_Control(pDX, IDC_IONUM, m_ComboIOnum);DDX_Text(pDX, IDC_EDIT1, m_state);//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CGPIODEMODlg, CDialog)//{{AFX_MSG_MAP(CGPIODEMODlg)ON_BN_CLICKED(IDC_BUTTON1, OnButton1)ON_BN_CLICKED(IDC_BUTTON2, OnButton2)ON_BN_CLICKED(IDC_BUTTON3, OnButton3)//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CGPIODEMODlg message handlersBOOL CGPIODEMODlg::OnInitDialog(){CDialog::OnInitDialog();// Set the icon for this dialog. The framework does this automatically// when the application's main window is not a dialogSetIcon(m_hIcon, TRUE);// Set big iconSetIcon(m_hIcon, FALSE);// Set small iconCenterWindow(GetDesktopWindow());// center to the hpc screen// TODO: Add extra initialization here/************************************************************************///我们在这里手动添加GPIO测试相关的代码//在这里我们去打开GPIO的驱动m_hFile = CreateFile(TEXT("GIO1:"), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0);if (m_hFile == INVALID_HANDLE_VALUE){MessageBox(_T("GPIOTEST"),_T("Can not open GPIO1!"),MB_OK);return(FALSE);}elseMessageBox(_T("GPIOTEST"),_T("Open GPIO1 success!"),MB_OK);m_ComboIOnum.SetCurSel(0);/************************************************************************/return TRUE; // return TRUE unless you set the focus to a control}/************************************************************************///我们在这里手动添加GPIO测试相关的代码void CGPIODEMODlg::OnButton1() {// TODO: Add your control notification handler code hereDWORD dwReturn;UpdateData(TRUE);i=m_ComboIOnum.GetCurSel();DeviceIoControl(m_hFile,GIO_WRITE1,&i,1,NULL,0,&dwReturn,NULL);}void CGPIODEMODlg::OnButton2() {// TODO: Add your control notification handler code hereDWORD dwReturn;UpdateData(TRUE);i=m_ComboIOnum.GetCurSel();DeviceIoControl(m_hFile,GIO_WRITE0,&i,1,NULL,0,&dwReturn,NULL);}void CGPIODEMODlg::OnButton3() {// TODO: Add your control notification handler code hereDWORD dwReturn;DWORD result;UpdateData(TRUE);i=m_ComboIOnum.GetCurSel();//SBC9261DeviceIoControl(m_hFile,GIO_READ,&i,1,&result,1,&dwReturn,NULL);if(result==1) m_state=_T("GPIO input high:1");else m_state=_T("GPIO input low :0");//说明 //在sbc6000x已经发布的光盘的IO0-IO5是由TSC2301音频芯片扩展的来的IO,在驱动中读到的result的bit[5-0]对应IO5-IO5,所以在这里我们对//result右移相应的bit位使得result的bit0代表相应IO的状态。即最终的result的bit0=1则相应的IO输入是高电平，bit0=0则相应的IO输入是低电平。/*DeviceIoControl(m_hFile,GIO_READ,&i,1,&result,1,&dwReturn,NULL);if(i<6)result=(result>>i);if(result==1) m_state=_T("GPIO input high:1");else m_state=_T("GPIO input low :0");*/UpdateData(FALSE);}/************************************************************************/

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