protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
int counter = 0;
_logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
while (!stoppingToken.IsCancellationRequested)
{
try
{
if (counter > 0)
{
using (HttpClient client = new HttpClient())
{
var res = client.GetStringAsync(PiHoleURL).Result;
var jsonDoc = JsonDocument.Parse(Encoding.Default.GetBytes(res.ToString()));
DomainBlocked = jsonDoc.RootElement.GetProperty("domains_being_blocked").GetString(); //.Dump("Domains Blocked");
DNSQueryToday = jsonDoc.RootElement.GetProperty("dns_queries_today").GetString(); //.Dump("DNS Queries Today");
AdsBlocked = jsonDoc.RootElement.GetProperty("ads_blocked_today").GetString(); //.Dump("Ads Blocked");
AdsBlockedPercentage = jsonDoc.RootElement.GetProperty("ads_percentage_today").GetString(); //.Dump("Ads Percentage");
}
if (_logger.IsEnabled(LogLevel.Trace))
{
_logger.LogTrace($"Ad Domans: {DomainBlocked,9}");
_logger.LogTrace($"DNS Qry2D: {DNSQueryToday,9}");
_logger.LogTrace($"Ads Blokd: {AdsBlocked,9}");
_logger.LogTrace($"Ads Blok%: {$"{AdsBlockedPercentage}%",9}");
}
_lcd.CursorLine(LiquidCrystal_I2C.LINE1);
_lcd.PrintLine($"Ad Domans: {DomainBlocked,9}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE2);
_lcd.PrintLine($"DNS Qry2D: {DNSQueryToday,9}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE3);
_lcd.PrintLine($"Ads Blokd: {AdsBlocked,9}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE4);
_lcd.PrintLine($"Ads Blok%: {$"{AdsBlockedPercentage}%",9}");
if (counter != 5)
{
counter++;
}
else
{
counter = -1;
}
await Task.Delay(1000, stoppingToken);
}
else
{
LastResult = _dHT.RetrieveSensorData();
//dhtData.Dump("DHData");
if (_logger.IsEnabled(LogLevel.Trace))
{
_logger.LogTrace($"Temp C : { LastResult.Temperature,4:#0.00}°C");
_logger.LogTrace($"Humidity : { LastResult.Humidity,4:P0}%");
_logger.LogTrace($"Temp F : { LastResult.Temperature,4:#0.00}°F");
_logger.LogTrace($"Heat Index : { LastResult.Humidity,4:#0.00}");
}
_lcd.CursorLine(LiquidCrystal_I2C.LINE1);
_lcd.PrintLine($"Temp C : { LastResult.Temperature,6:#0.00}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE2);
_lcd.PrintLine($"Temp F : { LastResult.TemperatureFarenheight,6:#0.00}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE3);
_lcd.PrintLine($"Humidity : { LastResult.Humidity,6:P0}");
_lcd.CursorLine(LiquidCrystal_I2C.LINE4);
_lcd.PrintLine($"Heat Index : { LastResult.HeatIndex,6:#0.00}");
if (counter != -5)
{
counter--;
}
else
{
counter = 1;
}
await Task.Delay(2000, stoppingToken);
}
}
catch (Exception ex)
{
if (ex is TaskCanceledException)
{
_logger.LogInformation("Worker stopping at: {time}", DateTimeOffset.Now);
_ = $"Domains Blocked : {DomainBlocked} | DNS Queries Today : {DNSQueryToday} | Ads Blocked : {AdsBlocked} | Ads Percentage {AdsBlockedPercentage}".Dump("Last Statistics");
_ = $"Temp C : {LastResult.Temperature} | Temp F : {LastResult.TemperatureFarenheight} | Humidity : {LastResult.Humidity:P0} | Heat Index : {LastResult.HeatIndex}".Dump("Last Temp & Humidity");
}
else
{
_logger.LogError("Worker error at: {time}", DateTimeOffset.Now);
_ = $"Domains Blocked : {DomainBlocked} | DNS Queries Today : {DNSQueryToday} | Ads Blocked : {AdsBlocked} | Ads Percentage {AdsBlockedPercentage}".Dump("Last Statistics");
_ = $"Temp C : {LastResult.Temperature} | Temp F : {LastResult.TemperatureFarenheight} | Humidity : {LastResult.Humidity:P0} | Heat Index : {LastResult.HeatIndex}".Dump("Last Temp & Humidity");
ex.Dump();
await Task.Delay(2000, stoppingToken);
}
}
}
}
/// <summary>
/// Retrieves the sensor data.
/// </summary>
/// <returns>The event arguments that will be read from the sensor.</returns>
public DHT11Data RetrieveSensorData()
{
// Prepare buffer to store measure and checksum
var data = new byte[5];
// Start to communicate with sensor
// Inform sensor that must finish last execution and put it's state in idle
_dataPin.PinMode = GpioPinDriveMode.Output;
// Send request to transmission from board to sensor
_dataPin.Write(GpioPinValue.Low);
Pi.Timing.SleepMicroseconds(PullDownMicroseconds);
_dataPin.Write(GpioPinValue.High);
// Wait for sensor response
_dataPin.PinMode = GpioPinDriveMode.Input;
try
{
// Read acknowledgement from sensor
_dataPin.WaitForValue(GpioPinValue.Low, 50);
_dataPin.WaitForValue(GpioPinValue.High, 50);
// Begins data transmission
_dataPin.WaitForValue(GpioPinValue.Low, 50);
// Read 40 bits to acquire:
// 16 bit -> Humidity
// 16 bit -> Temperature
// 8 bit -> Checksum
var stopwatch = new HighResolutionTimer();
for (var i = 0; i < 40; i++)
{
stopwatch.Reset();
_dataPin.WaitForValue(GpioPinValue.High, 50);
stopwatch.Start();
_dataPin.WaitForValue(GpioPinValue.Low, 50);
stopwatch.Stop();
data[i / 8] <<= 1;
// Check if signal is 1 or 0
if (stopwatch.ElapsedMicroseconds > BitPulseMidMicroseconds)
{
data[i / 8] |= 1;
}
}
// End transmission
_dataPin.WaitForValue(GpioPinValue.High, 50);
var _validData = IsDataValid(data)
? new DHT11Data(_humid: ((data[0] + (data[1] * 0.1)) / 100.0), _temp: (data[2] + ((data[3] & 0x0f) * 0.1)))
: new DHT11Data();
if (_validData.IsInitialized)
{
_lastResult = _validData;
}
// Compute the checksum
return(_lastResult);
}
catch
{
return(new DHT11Data()
{
Humidity = 0.0, Temperature = 0.0
});
}
}