random-value-generator.js

function generateDummyReadings(){
  return {
    peep: getRandomValue(10),
    peakPressure: getRandomValue(100, 100),
    patientRate: getRandomValue(220),
    vte: getRandomValue(700),
    inspiratoryTime: getRandomValue(3),
    expiratoryTime: getRandomValue(5),
    oxygen: getRandomValue(100),
    flow: getRandomValue(30, 10)
  }
}

function getRandomValue(range, valueToSubtract = 0){
  return (Math.random() * range) - valueToSubtract;
}


// HomeScreen.js
export default function HomeScreen() {

  const [readings, setReadings] =  useState({});

  React.useEffect(() => {
    const interval = setInterval(() => {
      const newReadings = generateDummyReadings();
      setReadings(newReadings);
    }, 2000);
    return () => clearInterval(interval);
  }, [])


  return (
    <View style={styles.container}>
      <View style={styles.peakpressure}>
        <PeepPressure></PeepPressure>
      </View>
      <View
        style={{ flex: 5, height: "100%", backgroundColor: "white" }}
      ></View>
    </View>
  );
}