Device Framework Tests
| 123 of 124
S
u
pe
rS
pe
ed
U
S
B
Ex
pl
o
re
r
2
8
0
3.
Examiner issues a Get Status (Device) request.
Bit D0 (SelfPowered) of the data returned in the Get Status request must
match the actual power implementation employed by the device (self-
powered or bus-powered).
4.
Examiner issues a Get Configuration request.
Bit D6 (SelfPowered) of the bmAttributes field in the Configuration Descriptor
must match Bit D0 (SelfPowered) of the data previously returned in the Get
Status request.
Specification Reference
TBD
9.19
Device Qualifier Test
Test Summary
Examiner verifies that the device qualifier descriptor request is stalled. The test is performed
three times- once each for the default, addressed, and configured states.
Test Steps and Expected Results
1.
Examiner initializes link to U0.
2.
Examiner issues several standard descriptor requests, including a device qualifier request.
The device descriptor must be 18 bytes in length.
The device must stall the device qualifier request.
Specification Reference
TBD