August 2017
Intermediate to advanced
278 pages
6h 1m
English
Content preview from IoT Projects with Bluetooth Low Energy
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Host
Lying just the following Application layer is the Host layer, which has the following layers:
- Generic Access Profile (GAP): This defines how Bluetooth Low Energy devices access and communicate with each other. Bluetooth Low Energy devices can connect to each other in one of the following roles:
- Broadcaster: Also referred to generically as peripheral, this is a role where a Bluetooth Low Energy device broadcasts/advertises information packets.
- Observer: Also referred to generically as central, this is a role where a Bluetooth Low Energy device listens for the packets and then decides to initiate a connection, or not, depending on the use case.
- Generic Attribute Profile (GATT): This defines how data or attributes are formatted, packaged, ...
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