/// <summary>
/// 定时器，用来刷新dataGridView数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timer1_Tick(object sender, EventArgs e)
{
int nCount = mMsg.Count();
while (nCount > 0)
{
if (mMsg.Count == 0)
{
break;
}
TagMsg tmsg = mMsg[0];
mMsg.RemoveAt(0);
TagMsg msg = tmsg;
// mMsg添加数据到mDMsg
if (mDMsg.ContainsKey(msg.TagId))
{
mDMsg[msg.TagId].Tagmsg = msg;
mDMsg[msg.TagId].Count += 1;
}
else
{
mDMsg[msg.TagId] = new Temp(msg);
}
nCount--;
}
this.Invoke((EventHandler)(delegate
{
dt.Rows.Clear();
int COUNT = 0;
// 遍历mDMsg,把数据添加到dataGridView
foreach (var item in mDMsg)
{
Temp temp = item.Value;
TagMsg msg = temp.Tagmsg;
// 过滤标签
if (!String.IsNullOrEmpty(this.textBox1.Text))
{
try
{
this.TagShow.Text = "显示单个标签";
int ntDeviceId = Convert.ToInt32(this.textBox1.Text);
if (ntDeviceId == item.Key)
{
DataRow row = dt.NewRow();
row[0] = msg.DeviceId;
row[1] = msg.ActiveId;
row[2] = msg.TagId;
row[3] = msg.TagRssi;
row[4] = msg.DeviceRssi;
row[5] = msg.State.ToString("X2");
row[6] = msg.ReciveDt.ToString("HH:mm:ss");
row[7] = temp.Count.ToString();
dt.Rows.Add(row);
COUNT++;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
continue;
}
else
{
this.TagShow.Text = "显示所有标签";
DataRow row = dt.NewRow();
row[0] = msg.DeviceId;
row[1] = msg.ActiveId;
row[2] = msg.TagId;
row[3] = msg.TagRssi;
row[4] = msg.DeviceRssi;
row[5] = msg.State.ToString("X2");
row[6] = msg.ReciveDt.ToString("HH:mm:ss");
row[7] = temp.Count.ToString();
dt.Rows.Add(row);
COUNT++;
}
continue;
}
this.COUNT.Text = COUNT.ToString();
this.dataGridView1.DataSource = dt.DefaultView;
}));
}
public Temp(TagMsg msg)
{
this.Tagmsg = msg;
Count = 1;
}
/// <summary>
/// 接收数据事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
int nReadBytes = this.serialPort1.BytesToRead;
if (nReadBytes == 0)
{
return;
}
byte[] bRead = new byte[nReadBytes];
this.serialPort1.Read(bRead, 0, nReadBytes);
// 已经读取完成
List <Byte> mRecv = new List <Byte>();
mRecv.AddRange(bRead);
#region
while (mRecv.Count > 9)
{
if (mRecv[0] == 0x55 && mRecv[1] == 0xAA)
{
int dataLength = (mRecv[3] << 8 | mRecv[2]) + 2;
if (mRecv.Count >= dataLength)
{
byte[] data = new byte[dataLength];
mRecv.CopyTo(0, data, 0, dataLength);
int nDeviceId = data[5] << 8 | data[4];
switch (data[6])
{
case 0x01:
// 接收数据
#region " 0x01 "
DateTime now = DateTime.Now;
int nCount = dataLength / 9 - 1;
for (int i = 0; i < nCount; i++)
{
int nTagId = data[13 + i * 9] << 16 | data[12 + i * 9] << 8 | data[11 + i * 9];
int nDeviceRssi = data[10 + i * 9] << 8 | data[9 + i * 9];
int nActiveId = data[15 + i * 9] << 8 | data[16 + i * 9];
int nTagRssi = data[17 + i * 9];
// set value
TagMsg tagMsg = new TagMsg();
tagMsg.ReciveDt = now;
tagMsg.State = data[14 + i * 9];
tagMsg.DeviceId = nDeviceId;
tagMsg.DeviceRssi = nDeviceRssi;
tagMsg.ActiveId = nActiveId;
tagMsg.TagId = nTagId;
tagMsg.TagRssi = nTagRssi;
if (mMsg.Count >= 200)
{
mMsg.RemoveAt(0);
}
// 过滤为0的数据
if (tagMsg.ActiveId != 0)
{
mMsg.Add(tagMsg);
}
}
#endregion
break;
case 0x02:
// 心跳
break;
case 0x03:
// 配置集中器参数指令
break;
case 0x04:
// 设置控制器参数指令
break;
case 0x05:
// 设置主机出厂指令
break;
case 0x0B:
// 配置基站网关参数指令
break;
case 0x0C:
// 读取基站网关参数指令
break;
default:
break;
}
mRecv.RemoveRange(0, dataLength);
continue;
}
else
{
// 数据长度不一样就跳出
break;
}
}
else
{
mRecv.RemoveAt(0);
}
} // endwhile
#endregion
}