TQ2440 GPIO驱动及测试程序

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_pIOPregs->GPACON= *(DWORD*)pBufIn;//GPACON SET

break;

case IO_CTL_GPIO_A_DAT_OUTPUT:

v_pIOPregs->GPADAT= *(DWORD*)pBufIn; //GPADAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_B_CON:

v_pIOPregs->GPBCON= *(DWORD*)pBufIn;//GPBCON SET

break;

case IO_CTL_GPIO_B_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPBDAT; //GPBDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_B_DAT_OUTPUT:

v_pIOPregs->GPBDAT= *(DWORD*)pBufIn; //GPBDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_B_UP:

v_pIOPregs->GPBUP= *(DWORD*)pBufIn;//GPBUP SET

break;

case IO_CTL_GPIO_C_CON:

v_pIOPregs->GPCCON= *(DWORD*)pBufIn;//GPCCON SET

break;

case IO_CTL_GPIO_C_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPCDAT; //GPCDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_C_DAT_OUTPUT:

v_pIOPregs->GPCDAT= *(DWORD*)pBufIn; //GPCDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_C_UP:

v_pIOPregs->GPCUP= *(DWORD*)pBufIn;//GPCUP SET

break;

case IO_CTL_GPIO_D_CON:

v_pIOPregs->GPDCON= *(DWORD*)pBufIn;//GPDCON SET

break;

case IO_CTL_GPIO_D_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPDDAT; //GPDDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_D_DAT_OUTPUT:

v_pIOPregs->GPDDAT= *(DWORD*)pBufIn; //GPDDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_D_UP:

v_pIOPregs->GPDUP= *(DWORD*)pBufIn;//GPDUP SET

break;

case IO_CTL_GPIO_E_CON:

v_pIOPregs->GPECON= *(DWORD*)pBufIn;//GPECON SET

break;

case IO_CTL_GPIO_E_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPEDAT; //GPEDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_E_DAT_OUTPUT:

v_pIOPregs->GPEDAT= *(DWORD*)pBufIn; //GPEDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_E_UP:

v_pIOPregs->GPEUP= *(DWORD*)pBufIn;//GPEUP SET

break;

case IO_CTL_GPIO_F_CON:

v_pIOPregs->GPFCON= *(DWORD*)pBufIn;//GPFCON SET

break;

case IO_CTL_GPIO_F_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPFDAT; //GPFDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_F_DAT_OUTPUT:

v_pIOPregs->GPFDAT= *(DWORD*)pBufIn; //GPFDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_F_UP:

v_pIOPregs->GPFUP= *(DWORD*)pBufIn;//GPFUP SET

break;

case IO_CTL_GPIO_G_CON:

v_pIOPregs->GPGCON= *(DWORD*)pBufIn;//GPGCON SET

break;

case IO_CTL_GPIO_G_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPGDAT; //GPGDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_G_DAT_OUTPUT:

v_pIOPregs->GPGDAT= *(DWORD*)pBufIn; //GPGDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_G_UP:

v_pIOPregs->GPGUP= *(DWORD*)pBufIn;//GPGUP SET

break;

case IO_CTL_GPIO_H_CON:

v_pIOPregs->GPHCON= *(DWORD*)pBufIn;//GPHCON SET

break;

case IO_CTL_GPIO_H_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPHDAT; //GPHDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_H_DAT_OUTPUT:

v_pIOPregs->GPHDAT= *(DWORD*)pBufIn; //GPHDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_H_UP:

v_pIOPregs->GPHUP= *(DWORD*)pBufIn;//GPHUP SET

break;

case IO_CTL_GPIO_J_CON:

v_pIOPregs->GPJCON= *(DWORD*)pBufIn;//GPJCON SET

break;

case IO_CTL_GPIO_J_DAT_INPUT:

*(DWORD*)pBufOut=v_pIOPregs->GPJDAT; //GPJDAT SET (INPUT) also for Functional Pin

break;

case IO_CTL_GPIO_J_DAT_OUTPUT:

v_pIOPregs->GPJDAT= *(DWORD*)pBufIn; //GPJDAT SET (OUTPUT) also for Functional Pin

break;

case IO_CTL_GPIO_J_UP:

v_pIOPregs->GPJUP= *(DWORD*)pBufIn;//GPJUP SET

break;

default:

break;

}

RETAILMSG(0,(TEXT("GPIO_Control:Ioctl code = 0x%x\r\n"), 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 "stdafx.h"

#include "Relay2.h"

#include "Relay2Dlg.h"

#include "GPIO_Driver.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#endif

DWORD 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 对话框

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_MAP

ON_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::OnInitDialog()

{

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

// 执行此操作

SetIcon(m_hIcon, TRUE);
// 设置大图标

SetIcon(m_hIcon, 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 );//gpiodriver init

if(!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_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));

}

}

#endif

DWORD 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);

else

BUFIN &=~(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: 在此添加控件通知处理程序代码

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: 在此添加控件通知处理程序代码

DWORD GetData;

GetData =GPIOINPUT1(GPF,6); //GPF4 INPUT

if(GetData&=(1<<6))

MessageBox(_T("1"));

else

MessageBox(_T("0"));

}