mainfrm.cpp

CRC校验 CSerialPort串口类C RC校验 CSerialPort串口类

// MainFrm.cpp : CMainFrame 类的实现
//

#include "stdafx.h"
#include "SerialData.h"

#include "MainFrm.h"

#include "SerialDataDoc.h"
#include "SerialDataView.h"
#include ".\mainfrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNAMIC(CMainFrame, CMDIFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CMDIFrameWnd)

    //接受数据消息
	ON_MESSAGE(WM_COMM_RXCHAR, OnCommunication)

	ON_WM_CREATE()
	ON_WM_TIMER()
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // 状态行指示器
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};


// CMainFrame 构造/析构

CMainFrame::CMainFrame()
{
	// TODO: 在此添加成员初始化代码

	i = 0;


}

CMainFrame::~CMainFrame()
{
}


int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("未能创建工具栏\n");
		return -1;      // 未能创建
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("未能创建状态栏\n");
		return -1;      // 未能创建
	}
	// TODO: 如果不需要工具栏可停靠，则删除这三行
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	AfxBeginThread(ConTrolSendL, NULL);//启动线程

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CMDIFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return TRUE;
}


// CMainFrame 诊断

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CMDIFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CMDIFrameWnd::Dump(dc);
}

#endif //_DEBUG


// CMainFrame 消息处理程序

LONG CMainFrame::OnCommunication(WPARAM ch, LPARAM port)
{ 
    CMDIFrameWnd   *pFrame = (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;            
	CMDIChildWnd   *pChild = (CMDIChildWnd *)pFrame->GetActiveFrame();            
	CSerialDataView *pView   =   (CSerialDataView*)pChild->GetActiveView(); 
	if(port == pView->ports)
	{
		
		mybuff[i] = char(ch);
		i++;

		if(i == 1)
		{
		if(0xDB != mybuff[0])
			{
				i = 0;
				
			}
		}
		if(i == 2)
		{
		if(0x90 != mybuff[1])
			{
				i = 0;
				
			}
		}
		if(i == 3)
		{
		if(0xDB != mybuff[2])
			{
				i = 0;
				nGetCtring = "校验错误";
			}
		}
		if(i == 4)
		{
		if(0x90 != mybuff[3])
			{
				i = 0;
				nGetCtring = "校验错误";
			}
		}
		
		if(i == 10)
		{
			unsigned short nGetCrc = CCRC::RunCRC16(mybuff,8,0x1021);
			if(nGetCrc == (mybuff[8]<<8|mybuff[9]))
			{
			
				CStringChang::Bytes2String(mybuff,10,tempBuf);				//字节数据转换为可打印字符串			
				nGetCtring.Format("%s",tempBuf);			
			
				pView->PostMessage(WM_GETSTR_FROMFRM,(WPARAM)&nGetCtring,0);   //发送消息数据
				//清空缓冲区内容   
				i=0;
			}
		}
		if(i == 16)
		{

			unsigned short nGetCr = CCRC::RunCRC16(mybuff,14,0x1021);
			if(nGetCr == (mybuff[14]<<8|mybuff[15]))
			{
				CStringChang::Bytes2String(mybuff,16,tempBuf);				//字节数据转换为可打印字符串			
				nGetCtring.Format("%s",tempBuf);	    
           
				//CMDIFrameWnd   *pFrame = (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;  
				//CMDIChildWnd   *pChild = (CMDIChildWnd *)pFrame->GetActiveFrame(); 
				//CSerialDataView *pView   =   (CSerialDataView*)pChild->GetActiveView();  
				pView->PostMessage(WM_GETSTR_FROMFRM,(WPARAM)&nGetCtring,0);   //发送消息数据			
			}

			i=0;
		} 
	}
	return 0;
}
UINT CMainFrame::ConTrolSendL(LPVOID lPvoid)
{

	CSerialControl nSerialn;
	while(1)
	{
		
		nSerialn.SetCommVal(1);
		
		Sleep(1000);

	}
	return 0;
}