Introduction to BLE Service Discovery and GATT protocol

Introduction to BLE Generic Attribute (GATT) protocol by real examples, including service discovery, read/write descriptors and so on.

Agenda:

1. BLE protocol stack
1. Generic Attribute (GATT) Profiles
2. Attribute (ATT) protocol operations
2. Protocol examples
1. Discover all primary services
2. Find included services
3. Discover all characteristics of a service
4. Discover all characteristics descriptors
5. Write characteristics descriptor
6. Write without response
7. Notification
8. Read characteristics value

WPC Qi, the wireless power transfer standard

Introduction to WPC Qi (Wireless Power Consortium), the wireless power transfer standard, including the in-band communication protocol and foreign object detection (FOD).

References

• Wikipedia
  
• Wireless power transfer, Inductive charging, Qi (standard)
  
• Wireless Power Consortium
• Qi Speccification v1.3
  
• Qi-Wireless-Charging.net
  
• Wireless Charging in Consumer Applications, ST
  
• Introduction to Wireless Power, TI