eppandleddlg.cpp

用verilog实现的epp与sram通信的程序

// EPPandLEDDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "EPPandLED.h"
#include "EPPandLEDDlg.h"
#include "Dlportio.h"
#include ".\eppandleddlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


#pragma comment(lib, "DLPORTIO")//输入输出端口的库
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

#define PORTBASE 0x378   //EPP端口基地址

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

	// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

	// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CEPPandLEDDlg 对话框



CEPPandLEDDlg::CEPPandLEDDlg(CWnd* pParent /*=NULL*/)
: CDialog(CEPPandLEDDlg::IDD, pParent)
, m_byteWrite(0)
, m_byteRead(0)
, m_byteAddrRead(0)
, m_byteAddrWrite(0)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEPPandLEDDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, m_byteWrite);
	DDX_Text(pDX, IDC_EDIT2, m_byteRead);
	DDX_Text(pDX, IDC_EDIT3, m_byteAddrRead);
	DDX_Text(pDX, IDC_EDIT4, m_byteAddrWrite);
	DDX_Control(pDX, ID_OFFLED2, m_buttonAddrRead);
	DDX_Control(pDX, ID_OFFLED3, m_buttonAddrWrite);
}

BEGIN_MESSAGE_MAP(CEPPandLEDDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(ID_ONLED, OnBnClickedOnled)
	ON_BN_CLICKED(ID_OFFLED, OnBnClickedOffled)
	ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
	ON_BN_CLICKED(ID_OFFLED2, OnBnClickedOffled2)
	ON_BN_CLICKED(ID_OFFLED3, OnBnClickedOffled3)
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedButton3)
END_MESSAGE_MAP()


// CEPPandLEDDlg 消息处理程序

BOOL CEPPandLEDDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	m_buttonAddrRead.EnableWindow(true);
	m_buttonAddrWrite.EnableWindow(true);
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CEPPandLEDDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CEPPandLEDDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CEPPandLEDDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CEPPandLEDDlg::OnBnClickedOnled()//写SRAM
{

	UpdateData(true);
	//DlPortWritePortUchar(PORTBASE+2,addmask(PORTBASE+2,0x0F));//idle device//必须加这个，不然FPGA那边没反应，见epp.pdf
	DlPortWritePortUchar(PORTBASE+3,addmask(PORTBASE+3,0x01));//address 表示cmd,第0位为1表示写  写led亮
	//Sleep(1);
	m_buttonAddrRead.EnableWindow(false);
	m_buttonAddrWrite.EnableWindow(true);
	DlPortWritePortUchar(PORTBASE+4,addmask(PORTBASE+4,m_byteWrite));//fpga中，
	m_byteWrite++;
	UpdateData(false);

}

void CEPPandLEDDlg::OnBnClickedOffled()//读SRAM
{
	//DlPortWritePortUchar(PORTBASE+2,addmask(PORTBASE+2,0x0F));//idle device
	DlPortWritePortUchar(PORTBASE+3,addmask(PORTBASE+3,0x00));//address 表示cmd,第0位为1表示写,为0表示读  
	//Sleep(1);
	m_buttonAddrWrite.EnableWindow(false);
	m_buttonAddrRead.EnableWindow(true);
	m_byteRead=DlPortReadPortUchar(PORTBASE+4);
	m_byteRead=addmask(PORTBASE+4,m_byteRead);
	UpdateData(false);

}

unsigned char CEPPandLEDDlg::addmask(UINT port,unsigned char value)
{
	UCHAR mask;
	switch(port) //并口有些IO口的位写入1得时候输出是0，写入0得时候输出是1，可自己测试。。。。
	{
	case PORTBASE:
		mask=value^0x00;
		break;
	case PORTBASE+1:
		mask=value^0x80;
		break;
	case PORTBASE+2:
		mask=value^0x0B;
		break;
	case PORTBASE+3:
		mask=value^0x00;
		break;
	case PORTBASE+4:
		mask=value^0x00;
		break;
	default:
		mask=value;
	}
	return mask;
}

void CEPPandLEDDlg::OnBnClickedButton1()//复位电路
{
	DlPortWritePortUchar(PORTBASE+2,addmask(PORTBASE+2,0x0F));//idle device 必须有这句复位EPP master 端口
	//	DlPortWritePortUchar(PORTBASE+2,addmask(PORTBASE+2,0x0B));//idle device
}

void CEPPandLEDDlg::OnBnClickedOffled2()//获取SRAM读地址
{
	m_byteAddrRead=DlPortReadPortUchar(PORTBASE+3);
	m_byteAddrRead=addmask(PORTBASE+3,m_byteAddrRead);
	UpdateData(false);

}

void CEPPandLEDDlg::OnBnClickedOffled3()//获取SRAM写地址
{
	m_byteAddrWrite=DlPortReadPortUchar(PORTBASE+3);
	m_byteAddrWrite=addmask(PORTBASE+3,m_byteAddrWrite);
	UpdateData(false);
} 

void CEPPandLEDDlg::OnBnClickedButton2()//连续写
{
	DlPortWritePortUchar(PORTBASE+3,addmask(PORTBASE+3,0x01));//address 表示cmd,第0位为1表示写  写led亮
	BYTE write=0;
	for(;write<255;write++)
	{
		DlPortWritePortUchar(PORTBASE+4,addmask(PORTBASE+4,write));//fpga中，
	}
	write=write;
}

void CEPPandLEDDlg::OnBnClickedButton3()//连续读
{
	DlPortWritePortUchar(PORTBASE+3,addmask(PORTBASE+3,0x00));//address 表示cmd,第0位为1表示写  写led亮
	BYTE addr=0;
	BYTE tmp;
	BYTE buf[1024]={0,};
	for(;addr<255;addr++)
	{
		tmp=DlPortReadPortUchar(PORTBASE+4);
		buf[addr]=addmask(PORTBASE+4,tmp);
	}
	tmp=tmp;
}

LRESULT CEPPandLEDDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
	// TODO: Add your specialized code here and/or call the base class

	return CDialog::WindowProc(message, wParam, lParam);
}