How the Library Works

The CDC Host Client Driver provides the user application with an easy-to-use interface to the attached CDC device. The USB Host Layer initializes the CDC Host Client Driver when a device is attached. This process does not require application intervention.

The following sections describe the steps and methods required for the user application to interact with the attached devices:

TPL Table Configuration for CDC Devices
Detecting Device Attach
Opening the CDC Host Client Driver
Sending Class-specific Control Transfers
Reading and Writing Data
Event Handling

Topics

Name	Description
TPL Table Configuration for CDC Devices	Provides information on configuring the TPL table for CDC devices.
Detecting Device Attach	Describes how to register an Attach Event Handler.
Opening the CDC Host Client Driver	Describes how an application can open the CDC Host Client Driver.
Sending Class-specific Control Transfers	Describes how the application client can send CDC Class-specific commands to the connected device.
Reading and Writing Data	Describes how to transfer data to the attached CDC device.
Event Handling	Describes how to set event handlers.

USB Libraries Help > USB Host Libraries > USB CDC Host Library > Using the Library > How the Library Works

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