The USB Embedded Host driver provides low-level USB functionality for all host client drivers. This layer is responsible for enumerating devices, managing data transfers, and detecting device detach.
Typically, only host client drivers will interact with this layer. Applications can be configured to receive some events from this layer, such as EVENT_REQUEST_POWER and EVENT_RELEASE_POWER.
See AN1140 USB Embedded Host Stack for more information about this layer. See AN1141 USB Embedded Host Stack Programmer's Guide for more information about creating a client driver that uses this layer.
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MLA - USB Library Help Version : 2.16
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