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Form1.cs.bak
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace USBCAN
{
public partial class Form1 : Form
{
[StructLayout(LayoutKind.Sequential)]
public struct PVCI_INIT_CONFIG
{
public uint AccCode;
public uint AccMask;
public uint Reserved;
public byte Filter;
public byte kCanBaud;
public byte Timing0;
public byte Timing1;
public byte Mode;
public byte CanRx_IER;
}
[StructLayout(LayoutKind.Sequential)]
public struct PVCI_CAN_OBJ
{
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]//声明数组大小为4
public byte [] ID; //4
public UInt32 TimeStamp;//C++的UINT对应32位
public byte TimeFlag;
public byte SendType;
public byte RemoteFlag; //=0
public byte ExternFlag; //=1
public byte DataLen; //=8
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]//声明数组大小为8
public byte[] Data; //8
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]//声明数组大小为3
public byte[] Reserved;//3
}
[DllImport("VCI_CAN.dll",EntryPoint = "VCI_OpenDevice")]
public static extern int VCI_OpenDevice(uint Devtype, uint Devindex, uint Reserved);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_StartCAN")]
public static extern int VCI_StartCAN(uint Devtype, uint Devindex, uint CANInd);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_CloseDevice")]
public static extern int VCI_CloseDevice(int DeviceType, int DeviceInd);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_SetReference")]
public static extern int VCI_SetReference(uint DeviceType, uint DeviceInd, uint CANInd, uint RefType, ref byte pData);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_InitCAN")]
public static extern int VCI_InitCAN(uint DevType, uint DevIndex, uint CANIndex, ref PVCI_INIT_CONFIG pInitConfig);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_Transmit")]
public static extern int VCI_Transmit(uint DevType, uint DevIndex, uint CANIndex, ref PVCI_CAN_OBJ pSend);
[DllImport("VCI_CAN.dll", EntryPoint = "VCI_Receive")]
public static extern int VCI_Receive(uint DevType, uint DevIndex, uint CANIndex, [Out]/*声明参数为输出*/ PVCI_CAN_OBJ[] pReceive);
uint m_nNum = 0;//发送和接收的总帧数
public Form1()
{
InitializeComponent();
}
private void label1_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void buttonOpen_Click(object sender, EventArgs e)
{
if (VCI_OpenDevice(2, 0, 0) != 1)
{
MessageBox.Show("Open USB_CAN fail");
}
else
{
PVCI_INIT_CONFIG[] config = new PVCI_INIT_CONFIG[1];
config[0].AccCode = 0x80000008;
config[0].AccMask = 0xFFFFFFFF;
config[0].Reserved = 204;
config[0].Filter = 0;
config[0].kCanBaud = 15;
config[0].Timing0 = 0x00;
config[0].Timing1 = 0x14;
config[0].Mode = 1;//1~自发自收模式，0~正常工作模式
if (VCI_InitCAN(2, 0, 0, ref config[0]) != 1)
{
MessageBox.Show("Init USB_CAN fail");
return;
}
if (VCI_StartCAN(2, 0, 0) != 1)
{
MessageBox.Show("Start USB_CAN fail");
return;
}
}
buttonOpen.Enabled = false;
buttonClose.Enabled = true;
buttonSend.Enabled=true;
MessageBox.Show("启动成功");
}
private void buttonClose_Click(object sender, EventArgs e)
{
int count = VCI_CloseDevice(2, 0);
if (count == 1)
{
buttonOpen.Enabled = true;
buttonClose.Enabled = false;
buttonSend.Enabled = false;
MessageBox.Show("close sucessful");
}
else if (count == 0)
{
MessageBox.Show("close fail");
}
else
{
MessageBox.Show("device not open");
}
}
public int HexChar(char c)
{
if ((c >= '0') && (c <= '9'))
return c - 0x30;
else if ((c >= 'A') && (c <= 'F'))
return c - 'A' + 10;
else if ((c >= 'a') && (c <= 'f'))
return c - 'a' + 10;
else
return 0x10;
}
public int Str2Hex(string str)
{
int len = str.Length;
if (len == 2)
{
int a = HexChar(str[0]);
int b = HexChar(str[1]);
if (a == 16 || b == 16)
{
MessageBox.Show("format error！");
return 256;
}
else
{
return a * 16 + b;
}
}
else
{
MessageBox.Show("len must be 2");
return 256;
}
}
private void buttonSend_Click(object sender, EventArgs e)
{
PVCI_CAN_OBJ sendbuf = new PVCI_CAN_OBJ();
sendbuf.ID = new byte[4];
sendbuf.Data = new byte[8];
sendbuf.Reserved = new byte[3];
string[] str5 = new string[32];
byte[] buf = new byte[50];
byte[] SendID = new byte[10];
string strtemp, strtemp1;
string str1;
int len, datanum = 0, IDnum = 0, newflag = 1;
string strSendID =textBoxID.Text.ToString();
char[] m_strSendID = strSendID.ToCharArray();
len = m_strSendID.Length;
for (int i = 0; i < len; i++)
{
strtemp = m_strSendID[i].ToString();
if (strtemp == " ")
newflag = 1;
else if (newflag == 1)
{
newflag = 0;
strtemp = m_strSendID[i].ToString();
if (i == (len - 1))
{
str5[IDnum] = "0" + strtemp;
}
else
{
strtemp1 = m_strSendID[i + 1].ToString();
if (strtemp1 == " ")
str5[IDnum] = "0" + strtemp;
else
str5[IDnum] = strtemp + strtemp1;
}
SendID[IDnum] = (byte)Str2Hex(str5[IDnum]);
IDnum++;
if (IDnum >= 4)
break;
}
}
newflag = 1;
string strSendData = TextBoxSend.Text.ToString();
char[] m_strSendData = strSendData.ToCharArray();
len = m_strSendData.Length;
//m_strSendData.GetLength();
for (int i = 0; i < len; i++)
{
strtemp = m_strSendData[i].ToString();
if (strtemp == " ")
newflag = 1;
else if (newflag == 1)
{
newflag = 0;
strtemp = m_strSendData[i].ToString();
if (i == (len - 1))
{
str5[datanum] = "0" + strtemp;
}
else
{
strtemp1 = m_strSendData[i + 1].ToString();
if (strtemp1 == " ")
{
str5[datanum] = "0" + strtemp;
}
else
str5[datanum] = strtemp + strtemp1;
}
buf[datanum] = (byte)Str2Hex(str5[datanum]);
datanum++;
if (datanum >= 8)
break;
}
}
byte m_nSendFrameType = 0;
byte m_nSendFrameFormat = 0;
byte m_radioIDFormat = 0;
sendbuf.ExternFlag = m_nSendFrameType;//1
sendbuf.DataLen = (byte)datanum;//8
sendbuf.RemoteFlag = m_nSendFrameFormat;//0
if (m_nSendFrameFormat == 1)//if remote frame, data is invalid
for (int i = 0; i < datanum; i++)
buf[i] = 0;
byte[] SendID2 = new byte[4];
if ((sendbuf.ExternFlag) == 1)//Extend ID progress
{
if (m_radioIDFormat != 0)//将直接ID值进行转换到CAN2.0B格式
{
SendID[0] &= 0x1F;
SendID2[0] = (byte)((SendID[0] << 3) | (SendID[1] >> 5));
SendID2[1] = (byte)((SendID[1] << 3) | (SendID[2] >> 5));
SendID2[2] = (byte)((SendID[2] << 3) | (SendID[3] >> 5));
SendID2[3] = (byte)(SendID[3] << 3);
for (int i = 0; i < 4; i++)
sendbuf.ID[i] = SendID2[i];
// sendbuf->ID=(SendID2[0]<<24)+(SendID2[1]<<16)+(SendID2[2]<<8)+SendID2[3];
}
else
{
SendID[3] = (byte)(SendID[3] & 0xF8);//the last 3 bits is invalid,clear to 0
for (int i = 0; i < 4; i++)
sendbuf.ID[i] = SendID[i];
// sendbuf->ID=(SendID[0]<<24)+(SendID[1]<<16)+(SendID[2]<<8)+SendID[3];
}
}
else//Basic CAN
{
if (m_radioIDFormat != 0)//Direct id value to SJA1000 format
{
SendID[2] &= 0x07;
SendID2[0] = (byte)((SendID[2] << 5) | (SendID[3] >> 3));
SendID2[1] = (byte)(SendID[3] << 5);
for (int i = 0; i < 2; i++)
sendbuf.ID[i] = SendID2[i];
//sendbuf->ID=(SendID2[0]<<24)+(SendID2[1]<<16)+(SendID2[2]<<8)+SendID2[3];
}
else
{
SendID[1] = (byte)(SendID[1] & 0xE0);//the last 5 bits is invalid, clear to 0
for (int i = 0; i < 2; i++)
sendbuf.ID[i] = SendID[i];
// sendbuf->ID=(SendID[0]<<24)+(SendID[1]<<16)+(SendID[2]<<8)+SendID[3];
}
}
for (int i = 0; i < datanum; i++)
sendbuf.Data[i] = buf[i];
int flag;
flag = VCI_Transmit(2, 0, 0, ref sendbuf);//CAN DATA SEND
PVCI_CAN_OBJ[] TempBuf = new PVCI_CAN_OBJ[50];
TempBuf[0] = sendbuf;
showCan(0, 0, TempBuf, 1);
if (flag != 1)
{
if (flag == -1)
MessageBox.Show("fail,device not open\n");
else if (flag == 0)
MessageBox.Show("fail\n");
return;
}
string str = "";
for (int i = 0; i < sendbuf.DataLen; i++) //DATA
{
uint data = sendbuf.Data[i];
str1 = Convert.ToString(data, 16);
str += str1 + " ";
}
// listView1.Items.Add(str).SubItems.Add("Send");
}
private void timerRecieve_Tick(object sender, EventArgs e)
{
PVCI_CAN_OBJ[] sendbuf = new PVCI_CAN_OBJ[200];
int NumValue = 0;
NumValue = VCI_Receive(2, 0, 0, sendbuf);
showCan(0, 1, sendbuf, NumValue);
}
private void showCan(byte byCanIndex,byte byOrientation, PVCI_CAN_OBJ []buf,int nLength)
{
DateTime CurrentTime = new DateTime();
for(uint i=0;i<nLength;i++)
{
PVCI_CAN_OBJ temp = buf[i];
ListViewItem Item = new ListViewItem();
string strNum = Convert.ToString(m_nNum);
string strTime = DateTime.Now.ToString();//strHour + ":" + strMinute + "" + strSecond;
int foundS1 = strTime.IndexOf(" ");
strTime= strTime.Remove(0, foundS1);
string strCanIndex = Convert.ToString(byCanIndex);
string strOrientation;
if(byOrientation==0)
strOrientation ="发送";
else
strOrientation="接收";
byte a = temp.ID[0];
string strID0 = Convert.ToString((buf[i]).ID[0]);
string strID1 = Convert.ToString((buf[i]).ID[1]);
string strID2 = Convert.ToString((buf[i]).ID[2]);
string strID3 = Convert.ToString((buf[i]).ID[3]);
string strID=strID0+" "+strID1+" "+strID2+" "+strID3;
string strFrame;
if ((buf[i]).RemoteFlag==1)
strFrame="远程帧";
else
strFrame="数据帧";
string strType;
if(buf[i].ExternFlag==1)
strType="扩展帧";
else
strType="标准帧";
string strDataLen=Convert.ToString(buf[i].DataLen);
string strData=Convert.ToString(buf[i].Data[0]);
for(int j=1;j<8;j++)
{
string strTemp;
strTemp=Convert.ToString(buf[i].Data[j]);
strData=strData+" "+strTemp;
}
Item.SubItems.Clear();
Item.SubItems[0].Text = strNum;
Item.SubItems.Add(strTime);
Item.SubItems.Add(strCanIndex);
Item.SubItems.Add(strOrientation);
Item.SubItems.Add(strID);
Item.SubItems.Add(strFrame);
Item.SubItems.Add(strType);
Item.SubItems.Add(strDataLen);
Item.SubItems.Add(strData);
listViewRecieve.Items.Add(Item);
m_nNum++;
}
}
}
}