/// <summary>
/// 将DataFrame数据转为LitViewItem
/// </summary>
private void DataFrameToListview(DataFrame dat)
{
string str1, str2;
if (dat.IsExternFrame)
str1 = "扩展帧";
else
str1 = "标准帧";
if (dat.IsRemoteFrame)
str2 = "遥控帧";
else
str2 = "数据帧";
ListViewItem lt = new ListViewItem(new string[] {
dat.ReceiveTime.ToString(),str2,str1,
/*Convert.ToString(dat.ID,16)*/
dat.ID.ToString("X8")
/*string.Format("{0,8:X8}",dat.ID)*/,dat.DataLength.ToString(),
BitConverter .ToString(dat.Date).Replace('-',' ')});
listView1.Items.Add(lt);
}
/// <summary>
/// 发送一帧CAN数据
/// </summary>
private void button3_Click(object sender, EventArgs e)
{
uint id = ConvertToID(textBox1.Text);
if (id == 0xFFFFFFFF)
return;
byte[] data = null;
byte len = 0;
//只有数据帧才会用数据
if (!(bool)comboBox5.SelectedValue)
{
data = ConvertToData(textBox2.Text);
if (data == null)
return;
else
len = (byte)data.Length;
}
else //摇控帧无数据只有，请求回应的数据长度
{
try
{
byte i = Convert.ToByte(textBox2.Text);
if (i > 8)
throw new Exception("请求的数据长度不能大于8");
}
catch
{
MessageBox.Show("数据长度应是0-8之间的数", "警告", MessageBoxButtons.OK,
MessageBoxIcon.Stop);
return;
}
}
DataFrame send = new DataFrame(id, data, len, (bool)comboBox5.SelectedValue,
(bool)comboBox6.SelectedValue, (CAN_SendType)comboBox4.SelectedValue);
bool flag = CANChannel.Send(send);
if (!flag)
{
//MessageBox.Show("发送该帧数失败", "提示：",
// MessageBoxButtons.OK, MessageBoxIcon.Warning);
ListViewItem lt = new ListViewItem(new string[]{
"发送->失败",comboBox5.Text,comboBox6.Text,
send.ID.ToString("X8"),send.DataLength.ToString(),BitConverter.ToString(send.Date)});
lt.ForeColor = Color.Red;
listView1.Items.Add(lt);
ErrorCode err = CANChannel.GetErrorCode();
if (err != null)
MessageBox.Show(UsbCanDevice.ErrorCodeDict[err.Code], "提示：",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
ListViewItem lt = new ListViewItem(new string[]{
"发送->成功",comboBox5.Text,comboBox6.Text,
send.ID.ToString("X8"),send.DataLength.ToString(),BitConverter.ToString(send.Date)});
lt.ForeColor = Color.Blue;
listView1.Items.Add(lt);
}
}
/// <summary>
/// 把结构CAN_DataFrame转为DataFrame对象
/// </summary>
private DataFrame Conver2ClassDataFrame(Like.CAN_DataFrame data)
{
bool remote, exter;
if (data.bExternFlag == 1)
exter = true;
else
exter = false;
if (data.bRemoteFlag == 1)
remote = true;
else
remote = false;
uint timeflag = DateTime2Uinx(this.StartTime) + (data.uTimeFlag / 1000000);
byte[] dat = new byte[data.nDataLen];
Array.Copy(data.arryData, 0, dat, 0, data.nDataLen);
DataFrame res = new DataFrame(data.uID, dat, data.nDataLen,
remote, exter, (CAN_SendType)data.nSendType, timeflag);
return res;
}
/// <summary>
/// 把DataFrame对象转为结构本CAN_DataFrame
/// </summary>
private Like.CAN_DataFrame Conver2StructDataFrame(DataFrame data)
{
Like.CAN_DataFrame res = new Like.CAN_DataFrame();
res.arryData = new byte[8];
Array.Copy(data.Date, res.arryData, data.Date.Length);
res.nDataLen = data.DataLength;
res.nSendType = (byte)data.SendType;
res.uID = data.ID;
if (data.IsExternFrame)
res.bExternFlag = 1;
else
res.bExternFlag = 0;
if (data.IsRemoteFrame)
res.bRemoteFlag = 1;
else
res.bRemoteFlag = 0;
res.uTimeFlag = 0;
return res;
}
/// <summary>
/// 同步发送数据
/// </summary>
public bool Send(DataFrame sendData)
{
//if (sendData.ID == 0xFFFFFFFF) return false;
if (this.IsRuning)
{
Like.CAN_DataFrame dat = Conver2StructDataFrame(sendData);
uint res = Like.CAN_ChannelSend(this._handle, this.Channel, ref dat);
if (res == 1)
{
Debug.WriteLine("发送\t一帧数据\t成功", DateTime.Now.ToString());
//触发数据发送事件
if (EventSendHander != null)
{
EventSendHander(this, sendData);
}
return true;
}
else
{
Debug.WriteLine("发送\t一帧数据\t失败");
return false;
}
}
else
{
Debug.WriteLine("对应的CAN通道未打开,无法发送数据");
System.Windows.Forms.MessageBox.Show(string.Format("CAN{0}未开启,发送数据前请先开启CAN通道", this.Channel),
"提示", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Stop);
return false;
}
}