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1、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:
2、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*)p
3、BufIn;/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 Funct
4、ional 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
5、*)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 SETbr
6、eak; 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; cas
7、e 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= *
8、(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
9、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
10、_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;
11、 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_G
12、PIO_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->
13、;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 (OUT
14、PUT) 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:
15、 *(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*)pBufI
16、n;/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_D
17、river.h"#ifdef _DEBUG#define new DEBUG_NEW#endif DWORD RData,BUFCON,BUFOUT,BUFIN; struct GPIO DWORD GPIOCON; DWORD GPIOIN;DWORD GPIOOUT; struct GPIO GPA=g
18、pacon,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 , GP
19、J=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)CDia
20、log: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_ME
21、SSAGE_MAP()/ CRelay2Dlg 消息處理程序BOOL CRelay2Dlg:OnInitDialog()CDialog:OnInitDialog();/ 設(shè)置此對話框的圖標(biāo)。當(dāng)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(biāo)SetIcon(m_hIcon, FALSE);/ 設(shè)置小圖標(biāo)/ 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
22、,0,NULL );/gpiodriver initif(!gpiodriver)MessageBox(L"打開GPIO設(shè)備失??!");return TRUE; / 除非將焦點(diǎn)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(A
23、fxGetResourceHandle(), this->m_hWnd, DRA:GetDisplayMode() != DRA:Portrait ? MAKEINTRESOURCE(IDD_RELAY2_DIALOG_WIDE) : MAKEINTRESOURCE(IDD_RELAY2_DIALOG);#endif DWORD CRelay2Dlg:GPIOINPUT(DWORD GPIOCON,DWORD GPIOIN,DWORD BUFCON,DWORD BUFOUT ) /the function is used f
24、or 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 G
25、PIO 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
26、,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,N
27、ULL); 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 B
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