Atmel AT43DK370, User Manual

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USB Clinic
4-10 AT43DK370 USB Host/Function Dev. Kit User Guide
3423C–USB–1/04
4.8 Port Features
The Port Features functions enable or disable a particular feature on the selected hub
port. The functions are Set Port Feature, and Clear Port Feature.
Figure 4-10. USB Clinic - Port Features
4.8.1 Set Port Feature The Set Port Feature command is used to enable a particular feature on the selected
hub port. The user has to input the hub Device Address, the Port, and the Feature (see
Table 4-4) to be enabled. For more details, please refer to Chapter 11 of the “USB
Specification Rev 2.0”, and to the “AT43USB370 Software Development Guide for Host
Mode”.
4.8.2 Clear Port Feature The Clear Port Feature command is used to disable a particular feature on the selected
hub port. The user has to input the hub Device Address, the Port, and the featUre (see
Table 4-5) to be enabled. For more details, please refer to Chapter 11 of the “USB
Specification Rev 2.0”, and to the “AT43USB370 Software Development Guide for Host
Mode”.
Table 4-5. Feature Selector Values
Feature Selector Value
PORT_CONNECTION 0
PORT_ENABLE 1
PORT_SUSPEND 2
PORT_OVER_CURRENT 3
PORT_RESET 4
PORT_POWER 8
PORT_LOW_SPEED 9
C_PORT_CONNECTION 16
C_PORT_ENABLE 17
C_PORT_SUSPEND 18
C_PORT_OVER_CURRENT 19
C_PORT_RESET 20
PORT_TEST 21
PORT_INDICATOR 22