protected override async Task RunContinuouslyAsync(IMqttClient client, TimeSpan delay, CancellationToken stoppingToken)
{
var bme280 = new BME280("/dev/i2c-1", 0x76);
var settings = new bme280_settings
{
osr_h = BME280_OVERSAMPLING_1X,
osr_p = BME280_OVERSAMPLING_1X,
osr_t = BME280_OVERSAMPLING_1X,
filter = BME280_FILTER_COEFF_OFF
};
bme280.SetSensorSettings(ref settings, BME280_OSR_HUM_SEL | BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL);
var oldData = new bme280_data();
var nextReportTime = DateTimeOffset.MinValue;
while (!stoppingToken.IsCancellationRequested)
{
bme280.SetSensorMode(BME280_FORCED_MODE);
await Task.Delay(100, stoppingToken).ConfigureAwait(false);
var data = bme280.GetSensorData(BME280_ALL);
var now = DateTimeOffset.UtcNow;
if ((now > nextReportTime) || ShouldReport(ref oldData, ref data))
{
await SendReading(client, data, stoppingToken);
oldData = data;
nextReportTime = now.AddSeconds(60);
}
await Task.Delay(delay, stoppingToken);
}
}
public static async Task Main()
{
Console.WriteLine("Bme280 test");
try
{
CancellationToken ct = default;
var bme280 = new BME280("/dev/i2c-1", 0x76);
var settings = new bme280_settings
{
osr_h = BME280_OVERSAMPLING_1X,
osr_p = BME280_OVERSAMPLING_1X,
osr_t = BME280_OVERSAMPLING_1X,
filter = BME280_FILTER_COEFF_OFF,
};
bme280.SetSensorSettings(ref settings, BME280_OSR_HUM_SEL | BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL);
while (!ct.IsCancellationRequested)
{
bme280.SetSensorMode(BME280_FORCED_MODE);
await Task.Delay(100, ct).ConfigureAwait(false);
var data = bme280.GetSensorData(BME280_ALL);
Console.WriteLine(FormattableString.Invariant($"T: {data.temperature / 100.0} degC, P: {data.pressure / 100.0} Pascal, H: {data.humidity / 1024.0} %rH"));
await Task.Delay(1000, ct).ConfigureAwait(false);
}
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception ex)
#pragma warning restore CA1031 // Do not catch general exception types
{
Console.WriteLine(FormattableString.Invariant($"Error: {ex}"));
}
}
