📄 form1.cs
字号:
break;
case 0x06://启动状态帧
break;
default:
break;
}
_len = _len - framelen - 5;
for(i = 0; i < _len; i++)
{
_data[i] = _data[framelen + 5 + i];
}
if(_len > 0)
{
goto ReProcMsg;
}
return 0;
}
public static void MainShowSpeed(int speed)
{
form1.label1.Text = speed.ToString()+"km/h";
form1.label1.Update();
}
public static int ShowMapFunc(ulong _x, ulong _y, int _speed)
{
int num,tmp = 0;
string fname;
string dir;
ulong tmppointx = 0, tmppointy = 0;
//while(true)
{
tmppointx = _x;
tmppointy = _y;
tmp = num = (int)MainGetMapNum(tmppointx, tmppointy);
if(num == 0xFF)
{
form1.Text = "超出地图范围";
return -1;
}
form1.Text = "车载定位";
MainShowSpeed(_speed);
if(form1.g_currenrMap == num)
{
//move picture
MainMoveMap(tmp - 1);
return 0;
}
form1.g_currenrMap = (byte)num;
switch(g_currentmapplace)
{
case 0: //桂林地图
dir = "\\data\\guiling\\";
break;
case 1: //广西地图
dir = "\\data\\guangxi\\";
break;
case 2: //广东地图
dir = "\\data\\guangdong\\";
break;
case 3://湖南地图
dir = "\\data\\hunan\\";
break;
case 4://永州地图
dir = "\\data\\yongzhou\\";
break;
case 5://武汉地图
dir = "\\data\\wuhan\\";
break;
default:
return -1;
break;
}
if(num >= 10)
{
//mem
num = (int)(num * 100) + num;
fname = num.ToString();
fname += ".jpg";
}
else
{
num = (int)(num* 10) + num;
fname = num.ToString();
fname += ".jpg";
}
dir += fname;
form1.MainLoadMap(dir);
MainMoveMap(tmp - 1);
}
return 0;
}
private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
MainTerminalMsgProc(null, 10);
}
public static void MainMoveMap(int _mapnum)
{
int width,height,left,top;
if((_mapnum > g_mapnum) || (_mapnum < 0))
{
return;
}
width = form1.pictureBox4.Image.Width;
height = form1.pictureBox4.Image.Height;
if(false)//(width > 240) || (height > 249))
{
/* 移动图片 */
left = 1 + (int)((((ulong)currentx - (ulong)MapPointInfo[_mapnum, 0]) * (uint)width)/((ulong)MapPointInfo[_mapnum, 2] - (ulong)MapPointInfo[_mapnum, 0]));
top = 1 + (int)((((ulong)currenty - (ulong)MapPointInfo[_mapnum, 1]) * (uint)height)/((ulong)MapPointInfo[_mapnum, 3] - (ulong)MapPointInfo[_mapnum, 1]));
top = 24 + height - top;
form1.pictureBox2.Left = 112;
form1.pictureBox2.Top = 128;
form1.pictureBox4.Left = 112 - left;
form1.pictureBox4.Top = 128 - top;
}
else
{
left = 1 + (int)((((ulong)currentx - (ulong)MapPointInfo[_mapnum, 0]) * (uint)width)/((ulong)MapPointInfo[_mapnum, 2] - (ulong)MapPointInfo[_mapnum, 0]));
top = 1 + (int)((((ulong)currenty - (ulong)MapPointInfo[_mapnum, 1]) * (uint)height)/((ulong)MapPointInfo[_mapnum, 3] - (ulong)MapPointInfo[_mapnum, 1]));
top = 24 + height - top;
if((left - 5) > 0)
{
left -= 5;
}
else
{
left = 0;
}
if((top - 11) > 0)
{
top -= 11;
}
else
{
top = 0;
}
form1.pictureBox2.Left = left;
form1.pictureBox2.Top = top;
}
}
}
class System_info
{
static byte GsmStatus, GpsStatus,isExit;
public void SysInfoInit()
{
GsmStatus = 0;
GpsStatus = 0;
isExit = 0;
}
public void SysSetGsmStatus(byte _status)
{
GsmStatus = _status;
}
public int SysIsGsmOk()
{
if(GsmStatus == 1)
{
return 0;
}
else
{
return -1;
}
}
public void SysSetGpsStatus(byte _status)
{
GpsStatus = _status;
}
public int SysIsGpsOk()
{
if(GpsStatus == 1)
{
return 0;
}
else
{
return -1;
}
}
public void SysSetPowerStatus(byte _status)
{
isExit = _status;
}
public int SysIsExit()
{
if(isExit == 1)
{
return 0;
}
else
{
return -1;
}
}
}
}
namespace JustinIO
{
class CommPort
{
public string PortNum;
public int BaudRate=4800;
public byte ByteSize=8;
public byte Parity; // 0-4=no,odd,even,mark,space
public byte StopBits=1; // 0,1,2 = 1, 1.5, 2
public int ReadTimeout;
//comm port win32 file handle
private int hComm = -1;
public bool Opened = false;
//win32 api constants
private const uint GENERIC_READ = 0x80000000;
private const uint GENERIC_WRITE = 0x40000000;
private const int OPEN_EXISTING = 3;
private const int INVALID_HANDLE_VALUE = -1;
[StructLayout(LayoutKind.Sequential)]
public struct DCB
{
//taken from c struct in platform sdk
public int DCBlength; // sizeof(DCB)
public int BaudRate; // 指定当前波特率 current baud rate
// these are the c struct bit fields, bit twiddle flag to set
public int fBinary; // 指定是否允许二进制模式,在windows95中必须主TRUE binary mode, no EOF check
public int fParity; // 指定是否允许奇偶校验 enable parity checking
public int fOutxCtsFlow; // 指定CTS是否用于检测发送控制，当为TRUE是CTS为OFF，发送将被挂起。 CTS output flow control
public int fOutxDsrFlow; // 指定CTS是否用于检测发送控制 DSR output flow control
public int fDtrControl; // DTR_CONTROL_DISABLE值将DTR置为OFF, DTR_CONTROL_ENABLE值将DTR置为ON, DTR_CONTROL_HANDSHAKE允许DTR"握手" DTR flow control type
public int fDsrSensitivity; // 当该值为TRUE时DSR为OFF时接收的字节被忽略 DSR sensitivity
public int fTXContinueOnXoff; // 指定当接收缓冲区已满,并且驱动程序已经发送出XoffChar字符时发送是否停止。TRUE时，在接收缓冲区接收到缓冲区已满的字节XoffLim且驱动程序已经发送出XoffChar字符中止接收字节之后，发送继续进行。 FALSE时，在接收缓冲区接收到代表缓冲区已空的字节XonChar且驱动程序已经发送出恢复发送的XonChar之后，发送继续进行。XOFF continues Tx
public int fOutX; // TRUE时，接收到XoffChar之后便停止发送接收到XonChar之后将重新开始 XON/XOFF out flow control
public int fInX; // TRUE时，接收缓冲区接收到代表缓冲区满的XoffLim之后，XoffChar发送出去接收缓冲区接收到代表缓冲区空的XonLim之后，XonChar发送出去 XON/XOFF in flow control
public int fErrorChar; // 该值为TRUE且fParity为TRUE时，用ErrorChar 成员指定的字符代替奇偶校验错误的接收字符 enable error replacement
public int fNull; // eTRUE时，接收时去掉空（0值）字节 enable null stripping
public int fRtsControl; // RTS flow control
/*RTS_CONTROL_DISABLE时,RTS置为OFF
RTS_CONTROL_ENABLE时, RTS置为ON
RTS_CONTROL_HANDSHAKE时,
当接收缓冲区小于半满时RTS为ON
当接收缓冲区超过四分之三满时RTS为OFF
RTS_CONTROL_TOGGLE时,
当接收缓冲区仍有剩余字节时RTS为ON ,否则缺省为OFF*/
public int fAbortOnError; // TRUE时,有错误发生时中止读和写操作 abort on error
public int fDummy2; // 未使用 reserved
public uint flags;
public ushort wReserved; // 未使用,必须为0 not currently used
public ushort XonLim; // 指定在XON字符发送这前接收缓冲区中可允许的最小字节数 transmit XON threshold
public ushort XoffLim; // 指定在XOFF字符发送这前接收缓冲区中可允许的最小字节数 transmit XOFF threshold
public byte ByteSize; // 指定端口当前使用的数据位 number of bits/byte, 4-8
public byte Parity; // 指定端口当前使用的奇偶校验方法,可能为:EVENPARITY,MARKPARITY,NOPARITY,ODDPARITY 0-4=no,odd,even,mark,space
public byte StopBits; // 指定端口当前使用的停止位数,可能为:ONESTOPBIT,ONE5STOPBITS,TWOSTOPBITS 0,1,2 = 1, 1.5, 2
public char XonChar; // 指定用于发送和接收字符XON的值 Tx and Rx XON character
public char XoffChar; // 指定用于发送和接收字符XOFF值 Tx and Rx XOFF character
public char ErrorChar; // 本字符用来代替接收到的奇偶校验发生错误时的值 error replacement character
public char EofChar; // 当没有使用二进制模式时,本字符可用来指示数据的结束 end of input character
public char EvtChar; // 当接收到此字符时,会产生一个事件 received event character
public ushort wReserved1; // 未使用 reserved; do not use
}
[StructLayout(LayoutKind.Sequential)]
private struct COMMTIMEOUTS
{
public int ReadIntervalTimeout;
public int ReadTotalTimeoutMultiplier;
public int ReadTotalTimeoutConstant;
public int WriteTotalTimeoutMultiplier;
public int WriteTotalTimeoutConstant;
}
[StructLayout(LayoutKind.Sequential)]
private struct OVERLAPPED
{
public int Internal;
public int InternalHigh;
public int Offset;
public int OffsetHigh;
public int hEvent;
}
[DllImport("coredll.dll")]
private static extern int CreateFile(
string lpFileName, // 要打开的串口名称
uint dwDesiredAccess, // 指定串口的访问方式，一般设置为可读可写方式
int dwShareMode, // 指定串口的共享模式，串口不能共享，所以设置为0
int lpSecurityAttributes, // 设置串口的安全属性，WIN9X下不支持，应设为NULL
int dwCreationDisposition, // 对于串口通信，创建方式只能为OPEN_EXISTING
int dwFlagsAndAttributes, // 指定串口属性与标志，设置为FILE_FLAG_OVERLAPPED(重叠I/O操作)，指定串口以异步方式通信
int hTemplateFile // 对于串口通信必须设置为NULL
);
[DllImport("coredll.dll")]
private static extern bool GetCommState(
int hFile, //通信设备句柄
ref DCB lpDCB // 设备控制块DCB
);
[DllImport("coredll.dll")]
private static extern bool BuildCommDCB(
string lpDef, // 设备控制字符串
ref DCB lpDCB // 设备控制块
);
[DllImport("coredll.dll")]
private static extern bool SetCommState(
int hFile, // 通信设备句柄
ref DCB lpDCB // 设备控制块
);
[DllImport("coredll.dll")]
private static extern bool GetCommTimeouts(
int hFile, // 通信设备句柄 handle to comm device
ref COMMTIMEOUTS lpCommTimeouts // 超时时间 time-out values
);
[DllImport("coredll.dll")]
private static extern bool SetCommTimeouts(
int hFile, // 通信设备句柄 handle to comm device
ref COMMTIMEOUTS lpCommTimeouts // 超时时间 time-out values
);
[DllImport("coredll.dll")]
private static extern bool ReadFile(
int hFile, // 通信设备句柄 handle to file
byte[] lpBuffer, // 数据缓冲区 data buffer
int nNumberOfBytesToRead, // 多少字节等待读取 number of bytes to read
ref int lpNumberOfBytesRead, // 读取多少字节 number of bytes read
ref OVERLAPPED lpOverlapped // 溢出缓冲区 overlapped buffer
);
[DllImport("coredll.dll")]
private static extern bool WriteFile(
int hFile, // 通信设备句柄 handle to file
byte[] lpBuffer, // 数据缓冲区 data buffer
int nNumberOfBytesToWrite, // 多少字节等待写入 number of bytes to write
ref int lpNumberOfBytesWritten, // 已经写入多少字节 number of bytes written
ref OVERLAPPED lpOverlapped // 溢出缓冲区 overlapped buffer
);
[DllImport("coredll.dll")]
private static extern bool CloseHandle(
int hObject // handle to object
);
[DllImport("coredll.dll")]
private static extern uint GetLastError();
public void Open()
{
DCB dcbCommPort = new DCB();
COMMTIMEOUTS ctoCommPort = new COMMTIMEOUTS();
// 打开串口 OPEN THE COMM PORT.
try
{
PortNum = "COM1:";
hComm = CreateFile(PortNum ,GENERIC_READ | GENERIC_WRITE,0, 0,OPEN_EXISTING,0,0);
}
catch(Exception e)
{
MessageBox.Show("非法操作，不能打开串口！");
return;
}
// 如果串口没有打开，就打开 IF THE PORT CANNOT BE OPENED, BAIL OUT.
if(hComm == INVALID_HANDLE_VALUE)
{
MessageBox.Show("非法操作，不能打开串口！");
}
// 设置通信超时时间 SET THE COMM TIMEOUTS.
GetCommTimeouts(hComm,ref ctoCommPort);
ctoCommPort.ReadTotalTimeoutConstant = ReadTimeout;
ctoCommPort.ReadTotalTimeoutMultiplier = 0;
ctoCommPort.WriteTotalTimeoutMultiplier = 0;
ctoCommPort.WriteTotalTimeoutConstant = 0;
SetCommTimeouts(hComm,ref ctoCommPort);
// 设置串口 SET BAUD RATE, PARITY, WORD SIZE, AND STOP BITS.
GetCommState(hComm, ref dcbCommPort);
dcbCommPort.BaudRate=4800;//BaudRate;
dcbCommPort.flags=0;
//dcb.fBinary=1;
dcbCommPort.flags|=1;
if (Parity>0)
{
//dcb.fParity=1
dcbCommPort.flags|=2;
}
dcbCommPort.Parity=Parity;
dcbCommPort.ByteSize=8;//ByteSize;
dcbCommPort.StopBits=1;//StopBits;
if (!SetCommState(hComm, ref dcbCommPort))
{
//uint ErrorNum=GetLastError();
throw(new ApplicationException("非法操作，不能打开串口！"));
}
//unremark to see if setting took correctly
//DCB dcbCommPort2 = new DCB();
//GetCommState(hComm, ref dcbCommPort2);
Opened = true;
}
public void Close()
{
if (hComm!=INVALID_HANDLE_VALUE)
{
CloseHandle(hComm);
}
}
public int Read(byte[] OutBytes, int _offset, int NumBytes)
{
byte[] BufBytes;
int BytesRead=0;
int i;
BufBytes = new byte[NumBytes];
if (hComm!=INVALID_HANDLE_VALUE)
{
OVERLAPPED ovlCommPort = new OVERLAPPED();
if(ReadFile(hComm,BufBytes,NumBytes,ref BytesRead,ref ovlCommPort) == true)
{
//Array.Copy(BufBytes,0, (byte[])&OutBytes[_offset],0, BytesRead);
for(i = 0; i < BytesRead; i++)
{
OutBytes[_offset + i] = BufBytes[i];
}
}
}
else
{
throw(new ApplicationException("串口未打开！"));
}
return BytesRead;//OutBytes;
}
public void Write(byte[] WriteBytes, int BytesWritten)
{
if (hComm!=INVALID_HANDLE_VALUE)
{
OVERLAPPED ovlCommPort = new OVERLAPPED();
//WriteFile(hComm,WriteBytes,WriteBytes.Length,ref BytesWritten,ref ovlCommPort);
WriteFile(hComm,WriteBytes,BytesWritten,ref BytesWritten,ref ovlCommPort);
}
else
{
throw(new ApplicationException("串口未打开！"));
}
}
}
class HexCon
{
// 把十六进制字符串转换成字节型和把字节型转换成十六进制字符串 converter hex string to byte and byte to hex string
public static string ByteToString(byte[] InBytes)
{
string StringOut="";
foreach (byte InByte in InBytes)
{
StringOut=StringOut + String.Format("{0:X2} ",InByte);
}
return StringOut;
}
public static byte[] StringToByte(string InString)
{
string[] ByteStrings;
ByteStrings = InString.Split(" ".ToCharArray());
byte[] ByteOut;
ByteOut = new byte[ByteStrings.Length-1];
for (int i = 0;i==ByteStrings.Length-1;i++)
{
ByteOut[i] = Convert.ToByte(("0x" + ByteStrings[i]));
}
return ByteOut;
}
}
}
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