// I am not aware of any platforms that don't use 4 bytes for float
// and 8 bytes for double.
-const uint32_t FG_NET_CTRLS_VERSION = 26;
+// !!! IMPORTANT !!!
+/* There is some space reserved in the protocol for future use.
+ * When adding a new type, add it just before the "reserved" definition
+ * and subtract the size of this new type from the RESERVED_SPACE definition
+ * (1 for (u)int32_t or float and 2 for double).
+ *
+ * This way the protocol will be forward and backward compatible until
+ * RESERVED_SPACE becomes zero.
+ */
+
+#define RESERVED_SPACE 25
+const uint32_t FG_NET_CTRLS_VERSION = 27;
// Define a structure containing the control parameters
enum {
FG_MAX_ENGINES = 4,
FG_MAX_WHEELS = 16,
- FG_MAX_TANKS = 6
+ FG_MAX_TANKS = 8
};
uint32_t version; // increment when data values change
double elevator_trim; // -1 ... 1
double rudder_trim; // -1 ... 1
double flaps; // 0 ... 1
+ double spoilers;
+ double speedbrake;
// Aero control faults
uint32_t flaps_power; // true = power available
double condition[FG_MAX_ENGINES]; // 0 ... 1
uint32_t fuel_pump_power[FG_MAX_ENGINES];// true = on
double prop_advance[FG_MAX_ENGINES]; // 0 ... 1
+ uint32_t feed_tank_to[4];
+ uint32_t reverse[4];
+
// Engine faults
uint32_t engine_ok[FG_MAX_ENGINES];
// Fuel management
uint32_t num_tanks; // number of valid tanks
uint32_t fuel_selector[FG_MAX_TANKS]; // false = off, true = on
+ uint32_t xfer_pump[5]; // specifies transfer from array
+ // value tank to tank specified by
+ // int value
uint32_t cross_feed; // false = off, true = on
// Brake controls
// Switches
uint32_t master_avionics;
+
+ // nav and Comm
+ double comm_1;
+ double comm_2;
+ double nav_1;
+ double nav_2;
// wind and turbulance
double wind_speed_kt;
double magvar; // local magnetic variation in degs.
// hazards
- uint32_t icing; // icing status could me much
+ uint32_t icing; // icing status could me much
// more complex but I'm
// starting simple here.
// 0x01=master
// 0x02=position
// 0x04=fuel
+
+ // --- New since FlightGear 0.9.10 (FG_NET_CTRLS_VERSION = 27)
+
+ // --- Add new variables just before this line.
+
+ uint32_t reserved[RESERVED_SPACE]; // 100 bytes reserved for future use.
};