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packets.md

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Packets

All communication will be done via JSON, with the packet structure as described below.

Tablet's initial communication with server

{
    "MessageType": "GetNextRunNumber",
    "AndroidId": network->macAddress
}

Disconnect from server

Simple quit string message, non-JSON, over websocket

Update from tablet

{
    "AndroidId": network->macAddress,
    "MessageType": "Log",
    "RunNumber": runNum,
    "BatteryVoltage": uiInterface->getBatteryVoltage,
    "GroundSpeed": uiInterface->getGroundSpeed,
    "IntakeTemperature": uiInterface->getManifoldAirTemp,
    "LKillSwitch": 0,
    "Latitude": QJsonValue(currentCoordinate.latitude,
    "LogTime": dateStr,
    "Longitude": QJsonValue(currentCoordinate.longitude,
    "LapNumber": uiInterface->getCurrentLapNumber,
    "MKillSwitch": 0,
    "RKillSwitch": 0,
    "SecondaryBatteryVoltage": 0.0,
    "WheelRpm": uiInterface->getEngineRPM,
    "WindSpeed": uiInterface->getWindSpeed,
    "SystemCurrent": 1.02f,
    "CoolantTemperature": 42.42
}

Update run number on tablet (from server)

{
    "MessageType": "NextRunNumber",
    "AndroidId": network->macAddress,
    "NextRunNumber": 0000
}