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syntax = "proto3"; /**
* <h1>Precise Vehicle Location</h1>
*<p>This set of messages define how to acquire vehicle location, either on demand or by interval and events.</p>
*<h2>Message Orchestration</h2>
*<p><img src="doc/images/mqttLocation.png" alt="HeaderMessage.puml"></p>
*<h2>MQTT Topic Design</h2>
*<table>
* <thead>
* <tr>
* <th>Direction</th>
* <th>Subscribe Topic</th>
* <th>Publish Topic</th>
* </tr>
* </thead>
* <tbody>
* <tr>
* <td>Vehicle to Cloud</td>
* <td>vloc/"*"</td>
* <td>vloc/<device_id></td>
* </tr>
* <tr>
* <td>Cloud to Vehicle</td>
* <td><device_id>/vloc</td>
* <td><device_id>/vloc</td>
* </tr>
* </tbody>
* </table>
*/
package messages;
import "messages/VehicleMessageHeader.proto";
message RequestCurrentVehicleLocationTest
/// Requests vehicle location on demand
{
string vehicle_identity = 1; /// At most this identity should be all that is required to trigger the request for location and should contain a salted hash
}
message ResponseCurrentVehicleLocation
/// Response to vehicle location request
{
VehicleMessageHeading vehicleMessageHeading =1;
VehicleCurrentLocation vehicleCurrentLocation =2;
ResponseStatusEnum responseStatus = 3;
}
enum ResponseStatusEnum {
SUCCESS = 0; /// A good GPS Location response was possible and GPS data is being returned in the payload
FAIL_NO_RESPONSE = 1; /// No GPS information was able to be retrieved
FAIL_DEGRADED_RESPONSE = 2; // GPS location available but degraded accuracy
}
message PublishCurrentVehicleLocation /// This is the event based version, proactively publishing location data without a cloud side request
{
VehicleMessageHeading vehicleMessageHeading =1;
VehicleCurrentLocation vehicleCurrentLocation =2;
}
message VehicleCurrentLocation {
string Timestamp = 1;
double Latitude = 2;
double Longitude = 3;
double Heading = 4;
double HorizontalAccuracy = 5;
double Altitude = 6;
double VerticalAccuracy = 7;
VehicleCurrentLocationGNSSReceiver GNSSReceiver = 8;
}
message VehicleCurrentLocationGNSSReceiver {
string FixType = 1;
VehicleCurrentLocationGNSSReceiverMountingPosition MountingPosition = 2;
}
message VehicleCurrentLocationGNSSReceiverMountingPosition {
int32 X = 1;
int32 Y = 2;
int32 Z = 3;
}
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