|GAP Device Manager (DM)|
|Security Manager Protocol (SMP)|
|Attribute Profile (ATT)|
|Logical Link Control and Adaptation Protocol (L2CAP)|
|Host Controller Interface (HCI)|
|Initialization and Configuration|
|Stack Event Handling|
|Stack Behavioral Diagrams|
The Cordio Stack is complete protocol stack solution for single-mode Bluetooth LE devices.
The software system is built on the WSF, an OS wrapper and porting layer. WSF also provides general-purpose software services such as queues, timers, and buffer management.