The following steps will take you through the process of creation of a BBT test in RT EXECUTOR test control and development software on example of a simple BBT test environment with iDTV as device under test (DUT), Quantum as signal generator, and RT-AV300 as capture device.
See the test setup and operating principles for a quick introduction.
| 1. Upon logging onto RT-EXECUTOR database, select option Test Case -> Create |  |
| 2. Choose a test folder for your new test. |  |
| 3. Choose test-environment ini file. For more information about bbt environment, see the article about integration of new devices into bbt environment. |  |
| 4. Continue with naming the test, giving it a unique ID number, and a description. |  |
| 5. Turn the TV under test ON. This is achieved by adding a test step to address the RC device and set the variable POWER 1. Set the delay time (in ms), and give the DUT time to respond. |  |
| 6. Perform required initial settings of the TV under test (if required) in the following step. |  |
| 7. Initial DUT settings, continued. |  |
| 8. Select S Video as input source. |  |
| 9. Move previously generated test steps into editor. RT-EXECUTOR GUI builds a *.tst file consisting of the created test steps. When you are done adding/updating and checking the test steps on the go, move them into the editor and save the tst file. |  |
| 10. Set Quantum generator to generate S Video ouput, video standard PAL. This is performed using [S-VIDEO_PAL] macro in BBT environment. |  |
| 11. Select an image pattern on Quantum generator output using [Image_SMPTEBar] macro. |  |
| 12. Move the generator settings' steps to editor and update tst file. |  |
| 13. Configure RT-AV300 grabber device by setting the source (set_input_video variable) to HDMI. Introduce a delay to |  |
| 14. RT-AV300 configuration continued, select a name for the image to be captured. |  |
| 15. Capture TV output. This step is seen as setting grab variable to 1. |  |
| 16. Move the RT-AV300 related test steps to the test editor. |  |
| 17. Set video algorithm parameters - referent image for Picture Block Compare (PBC). |  |
| 18. Set test image for PBC algorithm. |  |
| 19. Perform video analysis, get the result. |  |
| 20. Add PBC related test steps to the tst file. |  |
| 21. Address the compare device. Set the comparison criterion in math form - operation = .GT |  |
| 22. Address the compare device, compare integeres - type = INTEGER |  |
| 23. Get the results of PBC. |  |
| 24. Set the tolerance - acceptable deviation of the captured image, compared to the reference |  |
| 25. Perform comparison of the two. |  |
| 26. Move the compare device related test steps into the editor and save the tst file. |  |
| < Prev | Next > |
|---|