Bcb Length Test; Required Commands Test - Ellisys USB Explorer 280 User Manual

8.18 bCB Length Test

Test Summary
This test verifies that the device under test ignores all bytes in the CBWCB field beyond what is
indicated by bCBWLength.
Examiner sends three Inquiry commands, each padded with different values (0xFF, 0x55, and
0xAA) from Byte 6 through Byte 15 and verifies that the device properly completes these
requests.
Test Steps and Expected Results
1. Examiner initializes link to U0.
2. Examiner issues several standard descriptor requests and places the device into the
configured state.
3. Examiner issues an Inquiry command padded with 0xFF.
The device must complete the request.
4. Examiner issues an Inquiry command padded with 0x55.
The device must complete the request.
5. Examiner issues an Inquiry command padded with 0xAA.
The device must complete the request.
Specification Reference
USB Mass Storage Device Compliance Specification TD1.19.

8.19 Required Commands Test

Test Summary
This test verifies that the device under test properly supports all required commands. Examiner
sends various required mass storage commands and checks that each is completed properly.
Examiner also advises on Bootability support.
106 of 124 | Mass Storage Class Tests