Bluetooth Low Energy
for iOS
CocoaHeadsNYC - June 9, 2016
Don Coleman - Chariot Solutions
Lightbulb Service
- Light Switch
- Dimmer Setting
Lightbulb Service - FF10
16 bit UUIDs
0000FF10-0000-1000-8000-00805F9B34FB
0000FF11-0000-1000-8000-00805F9B34FB
0000FF12-0000-1000-8000-00805F9B34FB
Lightbulb Service - FF10
Advertising
Advertising
- 5425B44A-024A-4D39-88D2-D9F016199B29
- Services: [ 0x180A, 0xFF10, 0XFF20, …]
- Manufacturer Data: <00007465 6d70>
- Connectable: True
- TX Power Level: 4
- RSSI: -80
- Name: Smart Lightbulb
After Connecting...
- Get a list of services
- For each service, get a list of characteristics
- For each characteristic, get properties
- Save handle to read or write later
- Subscribe to be notified on changes
Read Value
Write Value
Write Command
Heart Rate Service - 180d
org.bluetooth.service.heart_rate.xmlorg.bluetooth.characteristic.heart_rate_measurement.xml
Notification
Indication
Lightbulb Service - FF10
Core Bluetooth
Central Manager
Central Manager Delegate
Scanning and Discovery
Connecting
Discovered Services
Discovered Characteristics
Read Characteristic
Write Characteristic
Write Without Response
Demo
Thermometer Service - bbb0
Notification
Notification
Callback
iBeacon
- UUID: ad5d9ece-9331-48c2-b597-2845aac4a8f0
- Major: 0x01
- Minor: 0x0A
Core Location
(not Core Bluetooth)
Region
Ranging
Ranging a beacon
- CLLocationManager
- CLLocationManagerDelegate
- CLBeacon
- CLBeaconRegion
NSLocationAlwaysUsageDescription
Demo
Creating a Beacon
- CBPeripheralManager
- CBPeripheralManagerDelegate
Creating Peripherals
Peripheral Manager
Peripheral Manager Delegate
Characteristic & Descriptor
Characteristic & Descriptor
Service
Write Request
Read Request
Demo
makebluetooth.com
Thank You
Don Coleman
Slides http://don.github.io/slides/
Code http://github.com/don/cocoaheadsnyc
Bluetooth Low Energy for iOS by Don Coleman is licensed under a Creative Commons Attribution 4.0 International License.