private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (m_bOpen == 1)
{
VciNativeMethods.VCI_CloseDevice(m_devtype, m_devind);
}
}
private void button_ResetCAN_Click(object sender, EventArgs e)
{
if (m_bOpen == 0)
{
return;
}
VciNativeMethods.VCI_ResetCAN(m_devtype, m_devind, m_canind);
//button_StartCAN.Enabled = true;
}
private void buttonConnect_Click(object sender, EventArgs e)
{
if (m_bOpen == 1)
{
VciNativeMethods.VCI_CloseDevice(m_devtype, m_devind);
m_bOpen = 0;
}
else
{
m_devtype = (uint)m_arrdevtype[comboBox_devtype.SelectedIndex];
m_devind = (UInt32)comboBox_DevIndex.SelectedIndex;
m_canind = (UInt32)comboBox_CANIndex.SelectedIndex;
var rc = VciNativeMethods.VCI_OpenDevice(m_devtype, m_devind, 0);
if (rc == 0)
{
MessageBox.Show("打开设备失败,请检查设备类型和设备索引号是否正确", "错误",
MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
//rc = VciNativeMethods.VCI_OpenDevice(m_devtype, m_devind, 0);
//var error = new VCI_ERR_INFO();
//VciNativeMethods.VCI_ReadErrInfo(m_devtype, m_devind, 0, ref error);
rc = VciNativeMethods.VCI_ClearBuffer(m_devtype, m_devind, m_canind);
m_bOpen = 1;
var config = new VCI_INIT_CONFIG();
config.AccCode = Convert.ToUInt32("0x" + textBox_AccCode.Text, 16);
config.AccMask = Convert.ToUInt32("0x" + textBox_AccMask.Text, 16);
config.Timing0 = Convert.ToByte("0x" + textBox_Time0.Text, 16);
config.Timing1 = Convert.ToByte("0x" + textBox_Time1.Text, 16);
config.Filter = (FilterType)comboBox_Filter.SelectedIndex;
config.Mode = (WorkMode)comboBox_Mode.SelectedIndex;
VciNativeMethods.VCI_InitCAN(m_devtype, m_devind, m_canind, ref config);
// 读取板卡信息
var boardInf = new VCI_BOARD_INFO();
VciNativeMethods.VCI_ReadBoardInfo(m_devtype, m_devind, ref boardInf);
//var serialNo = Encoding.ASCII.GetString(boardInf.str_Serial_Num, 0, boardInf.str_Serial_Num.Length);
//Console.WriteLine(serialNo);
}
buttonConnect.Text = m_bOpen == 1 ? "断开" : "连接";
timer_rec.Enabled = m_bOpen == 1;
//button_StartCAN.Enabled = m_bOpen == 1;
//button_StopCAN.Enabled = m_bOpen == 1;
}
private void button_StartCAN_Click(object sender, EventArgs e)
{
try
{
if (m_bOpen == 0)
{
return;
}
VciNativeMethods.VCI_StartCAN(m_devtype, m_devind, m_canind);
//button_StartCAN.Enabled = false;
}
catch (System.Exception ex)
{
//button_StartCAN.Enabled = true;
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 接收线程。
/// </summary>
private void timer_rec_Tick(object sender, EventArgs e)
{
var count = VciNativeMethods.VCI_GetReceiveNum(m_devtype, m_devind, m_canind);
if (count == 0)
{
return;
}
var sw = new Stopwatch();
sw.Start();
/////////////////////////////////////
for (int i = 0; i < count; i++)
{
var canObj = new VCI_CAN_OBJ();
//var ptr = GCHandle.ToIntPtr(GCHandle.Alloc(canObj[0]));
var len = VciNativeMethods.VCI_Receive(m_devtype, m_devind, m_canind, ref canObj, 1, 100);
if (len <= 0)
{
//注意：如果没有读到数据则必须调用此函数来读取出当前的错误码，
//千万不能省略这一步（即使你可能不想知道错误码是什么）
//VCI_ReadErrInfo(m_devtype, this.m_devind, this.m_canind, ref errInfo);
}
////////////////////////////////////////////////////////
var sb = new StringBuilder(128);
sb.AppendFormat("接收到数据: 帧ID:0x{0:X2} 帧格式:", canObj.ID);
sb.AppendFormat("", (canObj.RemoteFlag == 0) ? "数据帧 " : "远程帧 ", (canObj.ExternFlag == 0) ? "标准帧 " : "扩展帧 ");
if (canObj.RemoteFlag == 0)
{
sb.AppendFormat("数据: {0}", string.Join(" ", canObj.Data.Take(canObj.DataLen).Select(p => string.Format("{0:X2}", p))));
listBox_Info.Items.Add(sb.ToString());
listBox_Info.SelectedIndex = listBox_Info.Items.Count - 1;
}
}
sw.Stop();
Console.WriteLine("接收耗时 = {0} 秒", sw.Elapsed.TotalSeconds);
}
private void button_Send_Click(object sender, EventArgs e)
{
if (m_bOpen == 0)
{
return;
}
var id = System.Convert.ToUInt32("0x" + textBox_ID.Text, 16);
var sendType = (SendMode)comboBox_SendType.SelectedIndex;
var remoteFlag = comboBox_FrameFormat.SelectedIndex; // 是否为远程帧？
var externFlag = comboBox_FrameType.SelectedIndex; // 是否为扩展帧？
var sendTimers = uint.Parse(textBox1.Text);
var data = HelperTools.SplitHexText(textBox_Data.Text);
var sendobj = new VCI_CAN_OBJ[sendTimers];
for (int j = 0; j < sendTimers; j++)
{
sendobj[j].SendType = sendType;
sendobj[j].RemoteFlag = (byte)remoteFlag;
sendobj[j].ExternFlag = (byte)externFlag;
sendobj[j].ID = id;
sendobj[j].DataLen = System.Convert.ToByte(data.Length % 9);
sendobj[j].Data = data;
}
var sw = new Stopwatch();
sw.Start();
var res = VciNativeMethods.VCI_Transmit(m_devtype, m_devind, m_canind, sendobj, sendTimers);
if (res == 0)
{
MessageBox.Show("发送失败", "错误", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
sw.Stop();
Console.WriteLine("发送耗时 = {0} 秒", sw.Elapsed.TotalSeconds);
}
