// protoc -I=. --cpp_out=. airmap_telemetry.proto

syntax = "proto2";
 
package airmap.telemetry;
 
message Position {
     
    // UNIX time in Milliseconds
    required uint64 timestamp = 1;
 
    // The recorded latitude
    // Decimal place requirement: 7 decimal places.
    required double latitude = 2;
 
    // The recorded longitude
    // Decimal place requirement: 7 decimal places.
    required double longitude = 3;
 
    //Altitude above mean sea level (ie. GPS), meters
    required float altitude_agl = 4;
 
    // Altitude above ground level, meters
    required float altitude_msl = 5;
     
    // Horizontal Dilution of Precision, in meters
    required float horizontal_accuracy = 6;
}
 
message Attitude {
     
    // UNIX time in Milliseconds
    required uint64 timestamp = 1;
 
    // Yaw angle measured from True North, { 0 <= x < 360 } degrees
    required float yaw = 2;
 
    // Pitch angle, { -180 < x <= 180 } degrees
    required float pitch = 3;
 
    // Roll angle, { -180 < x <= 180 } degrees
    required float roll = 4;
}
 
message Speed {
     
    // UNIX time in Milliseconds
    required uint64 timestamp = 1;
 
    // Aircraft Speed in the x direction in meters per second using the North-East-Down (N-E-D) coordinate system
    required float velocity_x = 2;
 
     // Aircraft Speed in the y direction in meters per second using the North-East-Down (N-E-D) coordinate system
    required float velocity_y = 3;
 
     // Aircraft Speed in the z direction in meters per second using the North-East-Down (N-E-D) coordinate system
    required float velocity_z = 4;
}
 
message Barometer {
 
    // UNIX time in Milliseconds
    required uint64 timestamp = 1;
 
    // Barometric pressure in hPa
    required float pressure = 2;
}