1 // net_gui.hxx -- defines a simple subset I/O interface to the flight
2 // dynamics model variables
4 // Written by Curtis Olson - curt@flightgear.com, started January 2002.
6 // This file is in the Public Domain, and comes with no warranty.
15 // NOTE: this file defines an external interface structure. Due to
16 // variability between platforms and architectures, we only used fixed
17 // length types here. Specifically, integer types can vary in length.
18 // I am not aware of any platforms that don't use 4 bytes for float
19 // and 8 bytes for double.
23 #elif defined( _MSC_VER ) || defined(__MINGW32__) || defined(sun)
24 typedef signed short int16_t;
25 typedef signed int int32_t;
26 typedef unsigned short uint16_t;
27 typedef unsigned int uint32_t;
29 # error "Port me! Platforms that don't have <stdint.h> need to define int8_t, et. al."
32 const uint32_t FG_NET_GUI_VERSION = 7;
35 // Define a structure containing the top level flight dynamics model
48 uint32_t version; // increment when data values change
51 double longitude; // geodetic (radians)
52 double latitude; // geodetic (radians)
53 float altitude; // above sea level (meters)
54 float agl; // above ground level (meters)
55 float phi; // roll (radians)
56 float theta; // pitch (radians)
57 float psi; // yaw or true heading (radians)
61 float climb_rate; // feet per second
64 uint32_t num_tanks; // Max number of fuel tanks
65 float fuel_quantity[FG_MAX_TANKS];
68 uint32_t cur_time; // current unix time
69 // FIXME: make this uint64_t before 2038
70 uint32_t warp; // offset in seconds to unix time
71 float ground_elev; // ground elev (meters)
74 float tuned_freq; // currently tuned frequency
75 float nav_radial; // target nav radial
76 uint32_t in_range; // tuned navaid is in range?
77 float dist_nm; // distance to tuned navaid in nautical miles
78 float course_deviation_deg; // degrees off target course
79 float gs_deviation_deg; // degrees off target glide slope
83 #endif // _NET_GUI_HXX