piddlg.cpp

PID仿真程序

// PIDDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PID.h"
#include "PIDDlg.h"
#include "erjie_rk4.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPIDDlg dialog

CPIDDlg::CPIDDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPIDDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPIDDlg)
	m_fKp = 0.0f;
	m_fMv = 0.0f;
	m_fPv = 0.0f;
	m_fSv = 0.0f;
	m_fTd = 0.0f;
	m_fTi = 0.0f;
	m_fTs = 0.0f;
	m_nControl = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPIDDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPIDDlg)
	DDX_Text(pDX, IDC_EDIT_KP, m_fKp);
	DDX_Text(pDX, IDC_EDIT_MV, m_fMv);
	DDX_Text(pDX, IDC_EDIT_PV, m_fPv);
	DDX_Text(pDX, IDC_EDIT_SV, m_fSv);
	DDX_Text(pDX, IDC_EDIT_TD, m_fTd);
	DDX_Text(pDX, IDC_EDIT_TI, m_fTi);
	DDX_Text(pDX, IDC_EDIT_TS, m_fTs);
	DDX_Radio(pDX, IDC_RADIO_NEGATIVE, m_nControl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPIDDlg, CDialog)
	//{{AFX_MSG_MAP(CPIDDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_BUTTON_CONTINUE, OnButtonContinue)
	ON_BN_CLICKED(IDC_BUTTON_PAUSE, OnButtonPause)
	ON_BN_CLICKED(IDC_BUTTON_QUIT, OnButtonQuit)
	ON_BN_CLICKED(IDC_BUTTON_START, OnButtonStart)
	ON_BN_CLICKED(IDC_BUTTON_STOP, OnButtonStop)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPIDDlg message handlers

BOOL CPIDDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	InitData();										//初始化
	UpdateData(FALSE);
	GetDlgItem(IDC_BUTTON_START)->EnableWindow(TRUE);
	GetDlgItem(IDC_BUTTON_PAUSE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_CONTINUE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(FALSE);

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CPIDDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		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;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CPIDDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
void CPIDDlg::Draw()
{
	m_Pid.f_Kp=m_fKp;
	m_Pid.f_Sv=m_fSv;
	m_Pid.f_Td=m_fTd;
	m_Pid.f_Ti=m_fTi;
	m_Pid.f_Ts=m_fTs;
	m_Pid.n_Control=m_nControl;
	m_Pid.NormalPID(m_fPv,m_fMv);
	if(m_fMv<-20)
	{
		m_fMv=-20;
		::Beep(40,1000);//报警
	}
	if(m_fMv>20)
		m_fMv=20;
	m_fPv=rk4(m_fTs,m_fMv);
	if(m_fPv<-20)
		m_fPv=-20;
	if(m_fPv>20)
		m_fPv=20;//                      限幅 
	UpdateData(FALSE);
	CClientDC dc(GetDlgItem(IDC_DRAW));
	//dc.BeginPath();
	dc.SetMapMode(MM_ANISOTROPIC);//自定义坐标系
	dc.SetWindowOrg(0,20000);
	dc.SetWindowExt(2000,-40000);
	static CRect rc;
	GetDlgItem(IDC_DRAW)->GetClientRect(&rc);
	dc.SetViewportOrg(0,0);
	dc.SetViewportExt(rc.Width(),rc.Height());
	CPen pen[3];//定义画笔
	pen[0].CreatePen(PS_SOLID,20,RGB(255,0,0));
	pen[1].CreatePen(PS_SOLID,10,RGB(0,255,0));
	pen[2].CreatePen(PS_SOLID,10,RGB(0,0,255));
	CPen *pOldPen;
	TEXTMETRIC tm;
	dc.GetTextMetrics(&tm);
	if(m_nRow<1980) m_nRow+=15;
	else 
	{
		m_nRow=15;
		CBrush brush(dc.GetBkColor());						//清屏
		dc.FillRect(CRect(0,20000,2000,-20000),&brush);
		m_ptSv.x=0;
		m_ptSv.y=int(m_fSv*1000);
		m_ptMv.x=0;
		m_ptMv.y=int(m_fMv*1000);
		m_ptPv.x=0;
		m_ptPv.y=int(m_fPv*1000);
	}
	pOldPen=dc.SelectObject(&pen[0]);//画SV曲线
	dc.TextOut(1300,20000,"SV");
	dc.MoveTo(1400,20000-tm.tmHeight/2);
	dc.LineTo(1450,20000-tm.tmHeight/2);
	dc.MoveTo(m_ptSv);
	dc.LineTo(m_nRow,int(m_fSv*1000));
	m_ptSv.x=m_nRow;
	m_ptSv.y=int(m_fSv*1000);
	dc.SelectObject(&pen[1]);//画MV曲线
	dc.TextOut(1500,20000,"MV");
	dc.MoveTo(1600,20000-tm.tmHeight/2);
	dc.LineTo(1650,20000-tm.tmHeight/2);
	dc.MoveTo(m_ptMv);
	dc.LineTo(m_nRow,int(m_fMv*1000));
	m_ptMv.x=m_nRow;
	m_ptMv.y=int(m_fMv*1000);
	dc.SelectObject(&pen[2]);//画PV曲线
	dc.TextOut(1700,20000,"PV");
	dc.MoveTo(1800,20000-tm.tmHeight/2);
	dc.LineTo(1850,20000-tm.tmHeight/2);
	dc.MoveTo(m_ptPv);
	dc.LineTo(m_nRow,int(m_fPv*1000));
	m_ptPv.x=m_nRow;
	m_ptPv.y=int(m_fPv*1000);
	//dc.EndPath();
	dc.SelectObject(pOldPen);

}

void CPIDDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	Draw();
	CDialog::OnTimer(nIDEvent);
}

void CPIDDlg::OnButtonContinue() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(m_fSv>=-7&&m_fSv<=7)
	{
		GetDlgItem(IDC_BUTTON_START)->EnableWindow(FALSE);
		GetDlgItem(IDC_BUTTON_PAUSE)->EnableWindow(TRUE);
		GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(TRUE);
		GetDlgItem(IDC_BUTTON_CONTINUE)->EnableWindow(FALSE);
		RefreshView();
		SetTimer(1,(int)m_fTs*1000,NULL);
	}
	else
	{
		MessageBox("请确定输入的SV在-7和7之间的数字",NULL,MB_ICONEXCLAMATION | MB_ICONWARNING);
		GetDlgItem(IDC_EDIT_SV)->SetFocus();	
	}
	
}

void CPIDDlg::OnButtonPause() 
{
	// TODO: Add your control notification handler code here
	GetDlgItem(IDC_BUTTON_CONTINUE)->EnableWindow(TRUE);
	GetDlgItem(IDC_BUTTON_START)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(TRUE);
	GetDlgItem(IDC_BUTTON_PAUSE)->EnableWindow(FALSE);
	RefreshView();
	KillTimer(1);
}

void CPIDDlg::OnButtonQuit() 
{
	// TODO: Add your control notification handler code here
	if(MessageBox("是否真的要退出？","确定",MB_ICONINFORMATION|MB_OKCANCEL)==IDOK)
	{
		CDialog::OnOK();
	}
	return;
}

void CPIDDlg::OnButtonStart() 
{
	// TODO: Add your control notification handler code here
	UpdateData();
	if(m_fSv>=-7&&m_fSv<=7)
	{
		GetDlgItem(IDC_BUTTON_CONTINUE)->EnableWindow(FALSE);
		GetDlgItem(IDC_BUTTON_PAUSE)->EnableWindow(TRUE);
		GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(TRUE);
		GetDlgItem(IDC_BUTTON_START)->EnableWindow(FALSE);
		RefreshView();
	    SetTimer(1,(int)m_fTs*1000,NULL);			//设置定时器
	}
	else
	{
		MessageBox("请确定输入的SV在-7和7之间的数字",NULL,MB_ICONEXCLAMATION | MB_ICONWARNING);//控制SV的设定区间
		GetDlgItem(IDC_EDIT_SV)->SetFocus();
	}
	
}

void CPIDDlg::OnButtonStop() 
{
	// TODO: Add your control notification handler code here
	GetDlgItem(IDC_BUTTON_CONTINUE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_PAUSE)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_STOP)->EnableWindow(FALSE);
	GetDlgItem(IDC_BUTTON_START)->EnableWindow(TRUE);
	RefreshView();
	KillTimer(1);
	m_Pid.PidInit();
	InitData();
	UpdateData(FALSE);
	CClientDC dc(GetDlgItem(IDC_DRAW));					//清屏
	CRect rect;												
	GetDlgItem(IDC_DRAW)->GetClientRect(rect);
	CBrush brush(dc.GetBkColor());
	dc.FillRect(rect,&brush);

	
}
void CPIDDlg::RefreshView()					//当按钮按下更新各文本框的状态
{
	if(!GetDlgItem(IDC_BUTTON_START)->IsWindowEnabled()||!GetDlgItem(IDC_BUTTON_CONTINUE)->IsWindowEnabled())
	{
		GetDlgItem(IDC_EDIT_SV)->EnableWindow(FALSE);
		GetDlgItem(IDC_EDIT_KP)->EnableWindow(FALSE);
		GetDlgItem(IDC_EDIT_TD)->EnableWindow(FALSE);
		GetDlgItem(IDC_EDIT_TI)->EnableWindow(FALSE);
		GetDlgItem(IDC_EDIT_TS)->EnableWindow(FALSE);
		GetDlgItem(IDC_RADIO_POSITIVE)->EnableWindow(FALSE);
		GetDlgItem(IDC_RADIO_NEGATIVE)->EnableWindow(FALSE);
	}
	if(!GetDlgItem(IDC_BUTTON_PAUSE)->IsWindowEnabled()||!GetDlgItem(IDC_BUTTON_STOP)->IsWindowEnabled())
	{
		GetDlgItem(IDC_EDIT_SV)->EnableWindow(TRUE);
		GetDlgItem(IDC_EDIT_KP)->EnableWindow(TRUE);
		GetDlgItem(IDC_EDIT_TD)->EnableWindow(TRUE);
		GetDlgItem(IDC_EDIT_TI)->EnableWindow(TRUE);
		GetDlgItem(IDC_EDIT_TS)->EnableWindow(TRUE);
		GetDlgItem(IDC_RADIO_POSITIVE)->EnableWindow(TRUE);
		GetDlgItem(IDC_RADIO_NEGATIVE)->EnableWindow(TRUE);
	}
}



void CPIDDlg::InitData()			//初始化控件中的数值
{
	m_fKp = 1.0f;
	m_fMv = 0.0f;
	m_fPv = 0.0f;
	m_fSv = 5.0f;
	m_fTd = 0.0f;
	m_fTi = 0.2f;
	m_fTs = 0.05f;
	m_nControl = 1;
	m_ptMv=0;
	m_ptPv=0;
	m_ptSv=0;
	m_nRow=0;
	for(int i=0;i<2;i++)
	x[i]=0;

}

void CPIDDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	if(MessageBox("是否真的要退出？","确定",MB_ICONINFORMATION|MB_OKCANCEL)==IDOK)
	{
	CDialog::OnClose();
	}
	return;
}