Virtual ECU with dSPACE VEOS

"""dSPACE VEOS automated test using Python API."""
import veos
import time

def run_speed_controller_test(speed_ref: float,
                               duration_s: float) -> dict:
    """Run one test case in VEOS and return result."""
    # Start VEOS with the compiled vECU package
    player = veos.Player("SpeedController_vECU.veos")
    player.start()

    # Set input signal via VEOS variable access
    player.set_variable("SpeedController/SpeedRef_kmh", speed_ref)

    # Run for specified duration
    player.run(duration_s)

    # Read output signals
    pedal  = player.get_variable("SpeedController/PedalRequest_pct")
    fault  = player.get_variable("SpeedController/FaultActive")
    speed  = player.get_variable("SpeedController/VehicleSpeed_kmh")

    player.stop()

    return {"pedal": pedal, "fault": fault, "speed": speed}

def test_nominal_cruise():
    result = run_speed_controller_test(speed_ref=100.0,
                                       duration_s=10.0)
    assert abs(result["speed"] - 100.0) < 1.0, \
        f"Speed error too large: {result['speed']}"
    assert result["fault"] == 0

if __name__ == "__main__":
    test_nominal_cruise()
    print("VEOS test: PASS")