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accelerometer-listener.js
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accelerometer-listener.js
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// subscribes to the accelerometer service and prints out values
var BBCMicrobit = require('../index'); // or require('bbc-microbit')
var period = 160; // ms
console.log('Scanning for microbit');
BBCMicrobit.discover(function(microbit) {
console.log('\tdiscovered microbit: id = %s, address = %s', microbit.id, microbit.address);
microbit.on('disconnect', function() {
console.log('\tmicrobit disconnected!');
process.exit(0);
});
microbit.on('accelerometerChange', function(x, y, z) {
console.log('\ton -> accelerometer change: accelerometer = %d %d %d G', x.toFixed(1), y.toFixed(1), z.toFixed(1));
});
console.log('connecting to microbit');
microbit.connectAndSetUp(function() {
console.log('\tconnected to microbit');
console.log('setting accelerometer period to %d ms', period);
microbit.writeAccelerometerPeriod(period, function() {
console.log('\taccelerometer period set');
console.log('subscribing to accelerometer');
microbit.subscribeAccelerometer(function() {
console.log('\tsubscribed to accelerometer');
});
});
});
});