📄 gps_receiverdlg.cpp
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// GPS_receiverDlg.cpp : implementation file
//
#include "stdafx.h"
#include "GPS_receiver.h"
#include "GPS_receiverDlg.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()
/////////////////////////////////////////////////////////////////////////////
inline CString NMEA::ToString()
{
CString c;
//时间(时：分：秒），经度（度d分m秒s），纬度（度d分m秒s），高度
c.Format("%02d:%02d:%02.2f\t%02dd%02dm%02.5fs\t%02dd%02dm%02.5fs\t\t%.4f\n",
time.h, time.m, time.s, lon.h, lon.m, lon.s, lat.h, lat.m, lat.s, hei);
return c;
}
inline CString JPS::ToString()
{
CString c;
//时间(时：分：秒），X坐标，Y坐标，Z坐标
c.Format("%02d:%02d:%02.2f\t%7.4f\t%7.4f\t%7.4f\n",
time.h, time.m, time.s, x, y, z);
return c;
}
// CGPS_receiverDlg dialog
CGPS_receiverDlg::CGPS_receiverDlg(CWnd* pParent /*=NULL*/)
: CDialog(CGPS_receiverDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CGPS_receiverDlg)
m_RX = _T("");
m_format = -1;
m_timespan = _T("");
m_filesize = 0;
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CGPS_receiverDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CGPS_receiverDlg)
DDX_Control(pDX, IDC_STOP, m_stop);
DDX_Control(pDX, IDC_START, m_start);
DDX_Control(pDX, IDC_MSCOMM, m_com);
DDX_Text(pDX, IDC_RX, m_RX);
DDX_Radio(pDX, IDC_NMEA, m_format);
DDX_Text(pDX, IDC_TIMESPAN, m_timespan);
DDX_Text(pDX, IDC_FILESIZE, m_filesize);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CGPS_receiverDlg, CDialog)
//{{AFX_MSG_MAP(CGPS_receiverDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_START, OnStart)
ON_BN_CLICKED(IDC_STOP, OnStop)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CGPS_receiverDlg message handlers
BOOL CGPS_receiverDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 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
m_sync = FALSE;
m_filesize = 0;
m_timespan = "00:00";
//默认使用NMEA/GGA格式
m_format = 1;
UpdateData(FALSE);
//隐藏"Stop"按钮，显示"Start"按钮
m_start.ShowWindow(SW_SHOW);
m_stop.ShowWindow(SW_HIDE);
//串口初始化
m_com.SetCommPort(1);
m_com.SetInputMode(1);//binary mode
m_com.SetInBufferSize(4096);
m_com.SetOutBufferSize(64);
m_com.SetHandshaking(0);//0:none, 2:RTS/CTS(Request To Send/Clear To Send)
m_com.SetSettings("115200,n,8,1");
if(!m_com.GetPortOpen())
m_com.SetPortOpen(TRUE);
m_com.SetOutput(COleVariant("dm,/dev/ser/a\n"));//使接收机停止输出
m_com.SetRThreshold(1);
m_com.SetInputLen(0);
m_com.GetInput();//清空接收区
return TRUE; // return TRUE unless you set the focus to a control
}
void CGPS_receiverDlg::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 CGPS_receiverDlg::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 CGPS_receiverDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
BEGIN_EVENTSINK_MAP(CGPS_receiverDlg, CDialog)
//{{AFX_EVENTSINK_MAP(CGPS_receiverDlg)
ON_EVENT(CGPS_receiverDlg, IDC_MSCOMM, 1 /* OnComm */, OnCom, VTS_NONE)
//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()
void CGPS_receiverDlg::OnCom()
{
// TODO: Add your control notification handler code here
if(m_com.GetCommEvent() == 2) {
COleSafeArray sa;
sa.Attach(m_com.GetInput());
long len = (long)sa.GetOneDimSize();
m_filesize += len;
m_stopTime = CTime::GetCurrentTime() - m_startTime;
m_timespan = m_stopTime.Format("%M:%S");
char c;
m_RX = "";
for (long i = 0; i < len; i++) {
sa.GetElement(&i, &c);
m_RX += c;
}
UpdateData(FALSE);
m_inFile.Write(m_RX, len);
switch (m_format) {
case 0://collect NMEA GGA message
CollectNMEA(); break;
case 1://collect JPS {RT,PO} message
CollectJPS(); break;
}
}
}
void CGPS_receiverDlg::OnStart()
{
// TODO: Add your control notification handler code here
UpdateData(TRUE);//update m_format
m_filesize = 0;//reset log info
m_timespan = "00:00";
UpdateData(FALSE);
switch (m_format) {
case 0://NMEA/GGA
m_com.GetInput();//清空接收缓冲区
m_com.SetRThreshold(84);
m_com.SetInputLen(84);//一条GGA语句约为84字节
m_com.SetOutput(COleVariant("em,/dev/ser/a,nmea/GGA:0.1\n"));
break;
case 1://JPS/{RT,PO}
m_com.GetInput();//清空接收缓冲区
m_com.SetRThreshold(47);//一条RT + 一条PO语句 = 47字节
m_com.SetInputLen(47);
m_com.SetOutput(COleVariant("em,/dev/ser/a,jps/{RT,PO}:0.1\n"));
break;
}
m_startTime = CTime::GetCurrentTime();
m_start.ShowWindow(SW_HIDE);
m_stop.ShowWindow(SW_SHOW);
//将串口读入的数据存储至.in文件，将处理过的数据存储至.out文件
CString c;
switch (m_format) {
case 0: c = "E:\\gps\\tool\\data\\NMEA"; break;
case 1: c = "E:\\gps\\tool\\data\\JPS"; break;
}
CTime t = CTime::GetCurrentTime();
c += t.Format("%m%d_%H%M.in");
m_inFile.Open((LPCTSTR)c, CFile::modeCreate | CFile::modeWrite | CFile::typeBinary);
c.Replace(".in", ".out");
m_outFile.Open((LPCTSTR)c, CFile::modeCreate | CFile::modeWrite);
}
void CGPS_receiverDlg::OnStop()
{
// TODO: Add your control notification handler code here
m_com.SetOutput(COleVariant("dm,/dev/ser/a\n"));
m_start.ShowWindow(SW_SHOW);
m_stop.ShowWindow(SW_HIDE);
m_inFile.Close();
m_outFile.Close();
}
inline void CGPS_receiverDlg::CollectNMEA()
{
if ((m_RX.Left(7) == "$GPGGA,") && (m_RX.Find('M') != -1) && (m_RX.Right(2) == "\xd\xa")) {
ParseNMEA();
m_outFile.WriteString(m_NMEA.ToString());
} else if (m_sync == FALSE) {
m_sync = TRUE;//进入同步调整状态
m_com.SetInputLen(200);//包含至少2帧数据，以计算帧长;
m_com.SetRThreshold(200);
} else {
int tmp = m_RX.Find("$GPGGA,");
tmp = m_RX.Find("\n", tmp) - tmp + 1;
m_com.SetOutput(COleVariant("dm,/dev/ser/a\n"));//暂停输出
for (int i = 0; i < 10000; i++);//等待片刻，使GPS接收机响应“暂停输出”的指令
m_com.SetInputLen(0);
m_com.GetInput();//清空缓冲区
m_com.SetInputLen(tmp);//重新调整帧长
m_com.SetRThreshold(tmp);
m_sync = FALSE;//结束同步调整状态
m_com.SetOutput(COleVariant("em,/dev/ser/a,nmea/GGA:0.1\n"));//重新开始输出
}
}
inline void CGPS_receiverDlg::CollectJPS()
{
if ((m_RX.Left(5) == "~~005") && (m_RX.Mid(11, 5) == "PO01E") && (m_RX.Right(1) == 10)) {
ParseJPS();
m_outFile.WriteString(m_JPS.ToString());
} else if (m_sync == FALSE) {
m_sync = TRUE;//进入同步调整状态
m_com.SetInputLen(100);//包含至少2帧数据，以计算帧长
m_com.SetRThreshold(100);
} else {
int tmp = m_RX.Find(10, '\xa') - m_RX.Find("~~005");//查找一帧“RT”信息后的第一个‘0a'结束符
m_com.SetOutput(COleVariant("dm,/dev/ser/a\n"));//暂停输出
for (int i = 0; i < 10000; i++);//等待片刻，使GPS接收机响应“暂停输出”的指令
m_com.SetInputLen(0);
m_com.GetInput();//清空缓冲区
m_com.SetInputLen(tmp);
m_com.SetRThreshold(tmp);
m_sync = FALSE;//结束同步调整状态
m_com.SetOutput(COleVariant("em,/dev/ser/a,jps/{RT,PO}:0.1\n"));//重新开始输出
}
}
inline void CGPS_receiverDlg::ParseNMEA()
{
int index = 0;
//时间
index = m_RX.Find(',', index);
m_NMEA.time.h = atoi((LPCTSTR)m_RX.Mid(index + 1, 2));
m_NMEA.time.m = atoi((LPCTSTR)m_RX.Mid(index + 3, 2));
m_NMEA.time.s = (float)atof((LPCTSTR)m_RX.Mid(index + 5, 5));
//纬度
index = m_RX.Find(',', index+1);
m_NMEA.lat.h = atoi((LPCTSTR)m_RX.Mid(index + 1, 2));
m_NMEA.lat.m = atoi((LPCTSTR)m_RX.Mid(index + 3, 2));
m_NMEA.lat.s = 60 * (float)atof((LPCTSTR)m_RX.Mid(index + 5, 8));
//经度
for (int i = 0; i < 2; i++)
index = m_RX.Find(',', index+1);
m_NMEA.lon.h = atoi((LPCTSTR)m_RX.Mid(index + 1, 3));
m_NMEA.lon.m = atoi((LPCTSTR)m_RX.Mid(index + 4, 2));
m_NMEA.lon.s = 60 * (float)atof((LPCTSTR)m_RX.Mid(index + 6, 8));
//高度与高程误差
for (int j = 0; j < 5; j++)
index = m_RX.Find(',', index+1);
m_NMEA.hei = atof((LPCTSTR)m_RX.Mid(index + 1, 7));
for (int k = 0; k < 2; k++)
index = m_RX.Find(',', index+1);
m_NMEA.hei += atof((LPCTSTR)m_RX.Mid(index + 1, 7));
}
inline void CGPS_receiverDlg::ParseJPS()
{
//处理“RT”
UINT ui = (*(UINT*)(LPCTSTR)m_RX.Mid(5, 4));
m_JPS.time.h = ui / 3600000;
m_JPS.time.m = (ui % 3600000) / 60000;
m_JPS.time.s = (float)((ui % 60000) / 1000.0);
//处理“PO”
m_JPS.x = *(double*)(LPCTSTR)m_RX.Mid(16, 8);
m_JPS.y = *(double*)(LPCTSTR)m_RX.Mid(24, 8);
m_JPS.z = *(double*)(LPCTSTR)m_RX.Mid(32, 8);
}
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