Automated Regression Testing for Embedded Systems in Action

Automated Regression Testing for Embedded Systems in Action by Steve Peterson AAND Tech, Inc

Situation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Inefficiencies ,[object Object],[object Object],[object Object]

Old Way ,[object Object],[object Object]

Let’s Step Back in order to Solve This ,[object Object],[object Object],[object Object],[object Object],[object Object]

Next, Define the Deliverables* ,[object Object],[object Object],[object Object],[object Object],[object Object]

Define Some Characteristics ,[object Object],[object Object],[object Object],[object Object]

Now something we would really like ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Our Plan ,[object Object],[object Object],[object Object],[object Object]

Our Implementation* ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Requirements Tracking Tool ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tri-State Coverage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Automated Testing Framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Embedded Device ,[object Object],[object Object],[object Object],[object Object],Chassis of the DUT (Device Under Test) with the serial port clip used to program the DUT, Issue commands and read status

Build Engine ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Scheduler (Page 1) ,[object Object]

The Scheduler (Page 2) ,[object Object],[object Object],[object Object],Web Interface for monitoring and controlling the testing “jobs”

The Scheduler (Page 3) ,[object Object],[object Object],[object Object],[object Object]

Flash Memory Programmer (The Deployer) ,[object Object]

Peripheral Test Modules (Page 1) ,[object Object],* The term MacGyver Manometer is a tongue in cheek reference to the 80/s TV show, where MacGyver could create anything using a paper clip and rubber band (see photo above). In this case the DUT, which contains a pressure sensor more accurate than most handheld manometers, is outfitted with special firmware that displays the current pressure, and reports the pressure up to 16 samples/second over the serial connector. Programmable Power Supply

Peripheral Test Modules (Page 2) ,[object Object]

A couple more pictures ,[object Object],[object Object]

More Pictures ,[object Object],[object Object]

Benefits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Additional Benefits ,[object Object],[object Object],[object Object]

Challenges ,[object Object],[object Object],[object Object],[object Object]

Contact ,[object Object],[object Object],[object Object],[object Object],[object Object]

Automated Regression Testing for Embedded Systems in Action

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Automated Regression Testing for Embedded Systems in Action