private void tmrData_Tick(object sender, EventArgs e)
{
int i;
uint recLength;
recLength = 25;
// Get the Live data, to show in gauge
txBuf[0] = (byte)CMD.GET_LIVE_DATA;
txBuf[1] = 2;
//USB.SendReceivePacket(txBuf, 2, rxBuf, ref recLength);
string port = cbxPorts.SelectedItem.ToString();
if (port == "")
{
return;
}
System.IO.Ports.SerialPort myPort = new System.IO.Ports.SerialPort(port);
if (myPort.IsOpen == false) //if not open, open the port
{
myPort.Open();
}
//do your work here
if (myPort.IsOpen == false) //if not open, open the port
{
return;
}
String data;
data = myPort.ReadLine();
myPort.Close();
string [] dht = data.Split(',');
//s.dataPtr = rxBuf[18];
//i = 19;
//convertData(ref currData, ref i);
//gTemp.Value = currData.temp;
//gPressure.Value = currData.pressure;
//gHumid.Value = currData.humidity;
if (dht.Length != 3)
{
return;
}
gHumid.Value = float.Parse(dht[0]);
gTemp.Value = float.Parse(dht[1]);
gPressure.Value = int.Parse(dht[2]);
if (stt == 0)
{
//Start Excel and get Application object.
oXL = new Excel.Application();
oXL.Visible = true;
//Get a new workbook.
oWB = (Excel._Workbook)(oXL.Workbooks.Add(Missing.Value));
oSheet = (Excel._Worksheet)oWB.ActiveSheet;
}
//Add table headers going cell by cell.
oSheet.Cells[stt + 1, 1] = gTemp.Value.ToString();
oSheet.Cells[stt + 1, 2] = gPressure.Value.ToString();
oSheet.Cells[stt + 1, 3] = gHumid.Value.ToString();
//oSheet.Cells[1, 4] = "Salary";
DateTime timeNow = DateTime.Now;
w[stt].humidity = gHumid.Value;
w[stt].temp = gTemp.Value;
w[stt].pressure = gPressure.Value;
w[stt++].time = timeNow;
if (stt == 999)
{
stt = 0;
}
Redraw(0);
goLive = false;
if (goLive) // Only load data to w if graph shows live data from PIC
{
recLength = 64;
txBuf[0] = (byte)CMD.GET_FIRST_DATA;
txBuf[1] = 2;
USB.SendReceivePacket(txBuf, 2, rxBuf, ref recLength);
loadData(10);
for (i = 0; i < 5; i++)
{
txBuf[0] = (byte)CMD.GET_NEXT_DATA;
txBuf[1] = 2;
USB.SendReceivePacket(txBuf, 2, rxBuf, ref recLength);
loadData(10);
}
txBuf[0] = (byte)CMD.GET_CURR_DATA;
txBuf[1] = 2;
USB.SendReceivePacket(txBuf, 2, rxBuf, ref recLength);
loadData((int)s.dataPtr);
}
}
