SensirionSFM3300¶
Properties¶
baseUnit¶
This property holds the base unit for temperature or pressure measurements.
› Type: | BaseUnit |
---|---|
› Signal: | baseUnitChanged() |
› Attributes: | Readonly |
measureContinuously¶
This property holds whether to configure the sensor such that it measures continuously.
› Type: | Boolean |
---|---|
› Default: | true |
› Signal: | measureContinuouslyChanged() |
› Attributes: | Writable |
sensorSerialNumber¶
This property holds the serial number of the attached sensor.
› Type: | UnsignedInteger |
---|---|
› Signal: | sensorSerialNumberChanged() |
› Attributes: | Readonly |
siPrefix¶
This property holds the SI prefix for measurements.
› Type: | Measurement.SiPrefix |
---|---|
› Signal: | siPrefixChanged() |
› Attributes: | Readonly |
timeBase¶
This property holds the time base unit for measurements.
› Type: | Measurement.Unit |
---|---|
› Signal: | timeBaseChanged() |
› Attributes: | Readonly |
Methods¶
Enumerations¶
BaseUnit¶
Name | Value | Description |
---|---|---|
SensirionSFM3300.NoBaseUnit |
0 |
|
SensirionSFM3300.NormLiter |
1 |
|
SensirionSFM3300.StandardLiter |
2 |
|
SensirionSFM3300.Liter |
3 |
|
SensirionSFM3300.Gram |
4 |
|
SensirionSFM3300.Pascal |
5 |
|
SensirionSFM3300.Bar |
6 |
|
SensirionSFM3300.MeterOfWater |
7 |
|
SensirionSFM3300.InchOfWater |
8 |
Example¶
import InCore.Foundation 2.5
import InCore.IO 2.5
Application {
SensirionSFM3300 {
property real volume: 0
portName: "ttyUSB0"
Polling on value { interval: 25 }
onValueChanged: {
// integrate volume flow to get the total exhaled volume
if( value > 0.5 )
{
if(timer.msecsElapsed > 0)
{
volume += value * timer.msecsElapsed / 60000;
}
timer.restart()
}
else if( value < -0.5 && timer.running )
{
console.log("Exhaled volume", volume)
volume = 0
timer.stop()
}
}
}
Timer { id: timer }
}