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@joshfarrant
Created May 8, 2017 08:14
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Puck.js example code
const UUIDS = {
INFO: 0x180A,
TEMPERATURE: 0x1809,
BATTERY: 0x180F,
};
const mainLoopTimeout = 60000;
const buttonPressTimeout = 5000;
const buttonInitialValue = 0;
const buttonValueIncrement = 10;
// Our own copy of currrent advertising data
let currentAdvertising = {};
// Convenience helpers
const getBattery = () => Puck.getBatteryPercentage();
const getTemperature = () => Math.round(E.getTemperature()); // TODO Try removing rounding
// Overwrites advertising data and updates local copy
const setAdvertising = (data) => {
currentAdvertising = data;
NRF.setAdvertising(data);
console.log('Advertising: ', data);
LED2.set();
setTimeout(() => {
LED2.reset();
}, 500);
};
// Updates advertising with passed values
const updateAdvertising = (data) => {
const nextData = {
...currentAdvertising,
...data,
};
setAdvertising(nextData);
};
// Runs initial set up
const setUp = () => {
// Initialize uuids
const initialAdvertisingData = {
[UUIDS.INFO]: [buttonInitialValue],
[UUIDS.BATTERY]: [getBattery()],
[UUIDS.TEMPERATURE]: [getTemperature()],
};
// Advertise data
updateAdvertising(initialAdvertisingData);
};
// Updates battery and temperature
const loop = () => {
const nextData = {
[UUIDS.BATTERY]: [getBattery()],
[UUIDS.TEMPERATURE]: [getTemperature()],
};
updateAdvertising(nextData);
};
// Would prefer this to be undefined, but puck complains if it is
let buttonTimeout = 0;
const buttonPress = () => {
// Get current button value
const buttonValue = Number(currentAdvertising[UUIDS.INFO]);
// Increment button value and update
const nextButtonValue = buttonValue + buttonValueIncrement;
updateAdvertising({
[UUIDS.INFO]: [nextButtonValue],
});
// If there's not a timeout running, then start one
if (!buttonTimeout) {
buttonTimeout = setTimeout(() => {
// Reset button value to 0
updateAdvertising({
[UUIDS.INFO]: [buttonInitialValue],
});
// Clear timeout variable
buttonTimeout = 0;
}, buttonPressTimeout);
}
};
setUp();
setInterval(loop, mainLoopTimeout);
setWatch(
buttonPress,
BTN,
{
edge: 'rising',
debounce: 50,
repeat: true,
},
);
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