Transport Bus Driver for Bluetooth

The following diagram of a sample system, depicts the driver stacks used to support a multifunction controller, using UART as its transport.

Bluetooth Sample Transport Bus Driver

The device stack to support the Bluetooth function consists of two layers:

  1. The Serial Bus Driver Layer that is used to support a multifunction peripheral device (or so-called “combo” chip in the diagram to support Bluetooth and FM).
  2. The Bluetooth Core Driver Layer which is loaded based on a child PDO created by the Serial Bus driver to support the Bluetooth function.

The roles of these two layers in power management are discussed in the following topics:

 

 

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