Created
May 8, 2017 08:14
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Puck.js example code
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| 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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