Modern vehicles are equipped with complex infotainment systems that rely on Touch Screens for user interaction and control. Testing the functionality of these HIDs is crucial to ensure a seamless user experience. However, manual testing can be time-consuming, error-prone, and limited in test coverage.

The hardware platform was based on an ESP32 board. The ESP32 boardqueries the existing system through a SPI base command interface, andmakes the data available over JSON-RPC interface. The mobile application runing on iPhone / Android mobile, queries the data periodically over the JSON-RPC interface, and displays it on themobile application …