const tessel = require('tessel');
const BME280 = require('tessel-bme-280');

const port = tessel.port.A; // Use the SCL/SDA pins of Port A

// Single mesure

// slaveAddress is an optional 2nd param, defaults to 0x77
const sensor = new BME280(tessel.port.A); 

/////////////////
// Event handler
/////////////////

// optional event handler
sensor.on('data', (values) => {
    // this method will be called when `measure()` is called,
    // or when every `delay` milliseconds when `every(delay)` is called
    // until `stop()` is called
    console.log('received ("data" event):', values);
});

//////////////////
// SingleMeasure
//////////////////
sensor.measure().then(
    // note that the 'data' event handler, if set, will still be triggered
    values => console.log('received (measure()):', values)
    // outputs: { temperature: 21.5, pressure: ..., altitude: }
    // units are celciusm ?? and meters
);

////////////////////
// multiple measure
////////////////////

// optional 2nd param: a callback function
recurrentSensor.every(delay, (values) => {
    // note that the 'data' event handler, if set, will still be triggered
    console.log('received (`every()` call):',values);
}); 

//... when you are ready to stop
setTimeout(() => {
    recurrentSensor.stop();
}, 4000)