private async void button2_Click(object sender, EventArgs e)
{
//Show the graphs for location
chart1.Visible = false;
chart2.Visible = false;
chart3.Visible = true;
chart3.Series.FindByName("LocationAir").Points.Clear();
chart4.Visible = true;
chart4.Series.FindByName("LocationDust").Points.Clear();
int i = 0;
while (true)
{
i++;
FirebaseResponse airResponse = await client.GetTaskAsync("Air/" + i);
if (airResponse.Body == "null")
{
return;
}
Air airObj = airResponse.ResultAs <Air>();
DateTime airTime = DateTime.ParseExact(airObj.Time, "HH:mm:ss", CultureInfo.InvariantCulture);
chart3.Series.FindByName("LocationAir").Points.AddXY(airTime, airObj.SensorValue);
FirebaseResponse dustResponse = await client.GetTaskAsync("Dust/" + i);
if (dustResponse.Body == "null")
{
return;
}
Dust dustObj = dustResponse.ResultAs <Dust>();
DateTime dustTime = DateTime.ParseExact(dustObj.Time, "HH:mm:ss", CultureInfo.InvariantCulture);
chart4.Series.FindByName("LocationDust").Points.AddXY(dustTime, dustObj.Concentration);
}
}
private async void displayData(string output)
{
//hide all icons from previous tab
chart1.Visible = true;
chart2.Visible = true;
var airObj = new Air {
};
var dustObj = new Dust {
};
//air properties
String airReading = "";
String sensorValue = "";
String airQuality = "";
//dust properties
String LPO = "";
String ratio = "";
String concentration = "";
//hardcode the id from firebase here
++i;
String firebaseId = i + "";
try
{
//skip first reading as it may not be accurate due to device reading the previous data still (not cleaned)
if (counter != 0)
{
output = serialPort1.ReadLine();/// -Same as serialPort1.ReadTo("\n");
//textBox1.AppendText(output + "\n");
int wordCounter = 0;
string[] result = output.Split('/');
foreach (string value in result)
{
if (wordCounter == 0)
{
//air quality
int airPollution = value.IndexOf(',');
String air = value.Substring(0, airPollution);
airReading = air;
if (air.Equals("4"))
{
airQuality = "Fresh air";
}
else if (air.Equals("3"))
{
airQuality = "Low pollution";
}
else if (air.Equals("2"))
{
airQuality = "High pollution";
}
else if (air.Equals("1"))
{
airQuality = "High pollution! Force signal active.";
}
else
{
airQuality = "Unknown";
}
sensorValue = value.Substring(airPollution + 1);
airObj = new Air
{
ID = ++i + "",
AirReading = airReading,
SensorValue = sensorValue,
AirQuality = airQuality,
LocationID = "",
LocationName = "SIS SR 3-2",
Time = DateTime.Now.ToString("HH:mm:ss")
};
}
else
{
//dust quality in terms of loc, ratio, concentration
int slash = value.IndexOf('/');
String dustValue = value.Substring(slash + 1);
int locNo = dustValue.IndexOf(",");
LPO = dustValue.Substring(0, locNo);
int r = dustValue.IndexOf(",", locNo + 1);
ratio = dustValue.Substring(locNo + 1, 3); //currently hardcode to 3
int c = dustValue.LastIndexOf(",");
concentration = dustValue.Substring(c + 1);
dustObj = new Dust
{
ID = ++i + "",
LPO = LPO,
Ratio = ratio,
Concentration = concentration,
LocationID = "",
LocationName = "SIS SR 3-2",
Time = DateTime.Now.ToString("HH:mm:ss")
};
}
wordCounter++;
}
//populate the graphs
chart1.Series.FindByName("Air").Points.AddY(Double.Parse(sensorValue));
chart2.Series.FindByName("Dust").Points.AddY(Double.Parse(concentration));
//send air data
SetResponse airResponse = await client.SetTaskAsync("Air/" + firebaseId, airObj);
//send dust data
SetResponse dustResponse = await client.SetTaskAsync("Dust/" + firebaseId, dustObj);
airQuality = "";
counter++;
}
}
catch
{
MessageBox.Show("There was an error. Please make sure that the correct port was selected, and the device, plugged in.");
}
counter++;
}