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Track and report autopilot FMS/MCP separately; also report autopilot altitude source.

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This commit is contained in:
Oliver Jowett 2019-03-19 18:44:09 +00:00
parent 56aa2f7d1e
commit f46640a5c2
4 changed files with 62 additions and 20 deletions
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6
dump1090.h
View file

@ -227,6 +227,10 @@ typedef enum {
EMERGENCY_RESERVED = 7
} emergency_t;
typedef enum {
NAV_ALT_INVALID, NAV_ALT_UNKNOWN, NAV_ALT_AIRCRAFT, NAV_ALT_MCP, NAV_ALT_FMS
} nav_altitude_source_t;
#define MODES_NON_ICAO_ADDRESS (1<<24) // Set on addresses to indicate they are not ICAO addresses
#define MODES_DEBUG_DEMOD (1<<0)
@ -581,7 +585,7 @@ struct modesMessage {
unsigned mcp_altitude; // MCP/FCU selected altitude
float qnh; // altimeter setting (QFE or QNH/QNE), millibars
enum { NAV_ALT_INVALID, NAV_ALT_UNKNOWN, NAV_ALT_AIRCRAFT, NAV_ALT_MCP, NAV_ALT_FMS } altitude_source;
nav_altitude_source_t altitude_source;
nav_modes_t modes;
} nav;

38
net_io.c
View file

@ -1155,8 +1155,10 @@ static char *append_flags(char *p, char *end, struct aircraft *a, datasource_t s
p = safe_snprintf(p, end, "\"emergency\",");
if (a->nav_qnh_valid.source == source)
p = safe_snprintf(p, end, "\"nav_qnh\",");
if (a->nav_altitude_valid.source == source)
p = safe_snprintf(p, end, "\"nav_altitude\",");
if (a->nav_altitude_mcp_valid.source == source)
p = safe_snprintf(p, end, "\"nav_altitude_mcp\",");
if (a->nav_altitude_fms_valid.source == source)
p = safe_snprintf(p, end, "\"nav_altitude_fms\",");
if (a->nav_heading_valid.source == source)
p = safe_snprintf(p, end, "\"nav_heading\",");
if (a->nav_modes_valid.source == source)
@ -1267,6 +1269,18 @@ static const char *sil_type_enum_string(sil_type_t type)
}
}
static const char *nav_altitude_source_enum_string(nav_altitude_source_t src)
{
switch (src) {
case NAV_ALT_INVALID: return "invalid";
case NAV_ALT_UNKNOWN: return "unknown";
case NAV_ALT_AIRCRAFT: return "aircraft";
case NAV_ALT_MCP: return "mcp";
case NAV_ALT_FMS: return "fms";
default: return "invalid";
}
}
char *generateAircraftJson(const char *url_path, int *len) {
uint64_t now = mstime();
struct aircraft *a;
@ -1341,8 +1355,10 @@ char *generateAircraftJson(const char *url_path, int *len) {
p = safe_snprintf(p, end, ",\"category\":\"%02X\"", a->category);
if (trackDataValid(&a->nav_qnh_valid))
p = safe_snprintf(p, end, ",\"nav_qnh\":%.1f", a->nav_qnh);
if (trackDataValid(&a->nav_altitude_valid))
p = safe_snprintf(p, end, ",\"nav_altitude\":%d", a->nav_altitude);
if (trackDataValid(&a->nav_altitude_mcp_valid))
p = safe_snprintf(p, end, ",\"nav_altitude_mcp\":%d", a->nav_altitude_mcp);
if (trackDataValid(&a->nav_altitude_fms_valid))
p = safe_snprintf(p, end, ",\"nav_altitude_fms\":%d", a->nav_altitude_fms);
if (trackDataValid(&a->nav_heading_valid))
p = safe_snprintf(p, end, ",\"nav_heading\":%.1f", a->nav_heading);
if (trackDataValid(&a->nav_modes_valid)) {
@ -2119,7 +2135,9 @@ static void writeFATSV()
(trackDataValid(&a->mach_valid) && fabs(a->mach - a->fatsv_emitted_mach) >= 0.02);
int immediate =
(trackDataValid(&a->nav_altitude_valid) && unsigned_difference(a->nav_altitude, a->fatsv_emitted_nav_altitude) > 50) ||
(trackDataValid(&a->nav_altitude_mcp_valid) && unsigned_difference(a->nav_altitude_mcp, a->fatsv_emitted_nav_altitude_mcp) > 50) ||
(trackDataValid(&a->nav_altitude_fms_valid) && unsigned_difference(a->nav_altitude_fms, a->fatsv_emitted_nav_altitude_fms) > 50) ||
(trackDataValid(&a->nav_altitude_src_valid) && a->nav_altitude_src != a->fatsv_emitted_nav_altitude_src) ||
(trackDataValid(&a->nav_heading_valid) && heading_difference(a->nav_heading, a->fatsv_emitted_nav_heading) > 2) ||
(trackDataValid(&a->nav_modes_valid) && a->nav_modes != a->fatsv_emitted_nav_modes) ||
(trackDataValid(&a->nav_qnh_valid) && fabs(a->nav_qnh - a->fatsv_emitted_nav_qnh) > 0.8) || // 0.8 is the ES message resolution
@ -2220,8 +2238,10 @@ static void writeFATSV()
p = appendFATSVMeta(p, end, "track_rate", a, &a->track_rate_valid, "%.2f", a->track_rate);
p = appendFATSVMeta(p, end, "roll", a, &a->roll_valid, "%.1f", a->roll);
p = appendFATSVMeta(p, end, "heading_magnetic", a, &a->mag_heading_valid, "%.1f", a->mag_heading);
p = appendFATSVMeta(p, end, "heading_true", a, &a->true_heading_valid, "%.1f", a->true_heading);
p = appendFATSVMeta(p, end, "nav_alt", a, &a->nav_altitude_valid, "%u", a->nav_altitude);
p = appendFATSVMeta(p, end, "heading_true", a, &a->true_heading_valid, "%.1f", a->true_heading);
p = appendFATSVMeta(p, end, "nav_alt_mcp", a, &a->nav_altitude_mcp_valid, "%u", a->nav_altitude_mcp);
p = appendFATSVMeta(p, end, "nav_alt_fms", a, &a->nav_altitude_fms_valid, "%u", a->nav_altitude_fms);
p = appendFATSVMeta(p, end, "nav_alt_src", a, &a->nav_altitude_src_valid, "%s", nav_altitude_source_enum_string(a->nav_altitude_src));
p = appendFATSVMeta(p, end, "nav_heading", a, &a->nav_heading_valid, "%.1f", a->nav_heading);
p = appendFATSVMeta(p, end, "nav_modes", a, &a->nav_modes_valid, "{%s}", nav_modes_flags_string(a->nav_modes));
p = appendFATSVMeta(p, end, "nav_qnh", a, &a->nav_qnh_valid, "%.1f", a->nav_qnh);
@ -2255,7 +2275,9 @@ static void writeFATSV()
a->fatsv_emitted_mag_heading = a->mag_heading;
a->fatsv_emitted_true_heading = a->true_heading;
a->fatsv_emitted_airground = a->airground;
a->fatsv_emitted_nav_altitude = a->nav_altitude;
a->fatsv_emitted_nav_altitude_mcp = a->nav_altitude_mcp;
a->fatsv_emitted_nav_altitude_fms = a->nav_altitude_fms;
a->fatsv_emitted_nav_altitude_src = a->nav_altitude_src;
a->fatsv_emitted_nav_heading = a->nav_heading;
a->fatsv_emitted_nav_modes = a->nav_modes;
a->fatsv_emitted_nav_qnh = a->nav_qnh;

24
track.c
View file

@ -116,7 +116,9 @@ struct aircraft *trackCreateAircraft(struct modesMessage *mm) {
F(squawk, 15, 70); // ADS-B or Mode S
F(airground, 15, 70); // ADS-B or Mode S
F(nav_qnh, 60, 70); // Comm-B only
F(nav_altitude, 60, 70); // ADS-B or Comm-B
F(nav_altitude_mcp, 60, 70); // ADS-B or Comm-B
F(nav_altitude_fms, 60, 70); // ADS-B or Comm-B
F(nav_altitude_src, 60, 70); // ADS-B or Comm-B
F(nav_heading, 60, 70); // ADS-B or Comm-B
F(nav_modes, 60, 70); // ADS-B or Comm-B
F(cpr_odd, 60, 70); // ADS-B only
@ -1091,12 +1093,16 @@ struct aircraft *trackUpdateFromMessage(struct modesMessage *mm)
memcpy(a->callsign, mm->callsign, sizeof(a->callsign));
}
// prefer MCP over FMS
// unless the source says otherwise
if (mm->nav.mcp_altitude_valid && mm->nav.altitude_source != NAV_ALT_FMS && accept_data(&a->nav_altitude_valid, mm->source)) {
a->nav_altitude = mm->nav.mcp_altitude;
} else if (mm->nav.fms_altitude_valid && accept_data(&a->nav_altitude_valid, mm->source)) {
a->nav_altitude = mm->nav.fms_altitude;
if (mm->nav.mcp_altitude_valid && accept_data(&a->nav_altitude_mcp_valid, mm->source)) {
a->nav_altitude_mcp = mm->nav.mcp_altitude;
}
if (mm->nav.fms_altitude_valid && accept_data(&a->nav_altitude_fms_valid, mm->source)) {
a->nav_altitude_fms = mm->nav.fms_altitude;
}
if (mm->nav.altitude_source != NAV_ALT_INVALID && accept_data(&a->nav_altitude_src_valid, mm->source)) {
a->nav_altitude_src = mm->nav.altitude_source;
}
if (mm->nav.heading_valid && accept_data(&a->nav_heading_valid, mm->source)) {
@ -1311,7 +1317,9 @@ static void trackRemoveStaleAircraft(uint64_t now)
EXPIRE(squawk);
EXPIRE(airground);
EXPIRE(nav_qnh);
EXPIRE(nav_altitude);
EXPIRE(nav_altitude_mcp);
EXPIRE(nav_altitude_fms);
EXPIRE(nav_altitude_src);
EXPIRE(nav_heading);
EXPIRE(nav_modes);
EXPIRE(cpr_odd);

14
track.h
View file

@ -151,8 +151,14 @@ struct aircraft {
data_validity nav_qnh_valid;
float nav_qnh; // Altimeter setting (QNH/QFE), millibars
data_validity nav_altitude_valid;
unsigned nav_altitude; // FMS or FCU selected altitude
data_validity nav_altitude_mcp_valid;
unsigned nav_altitude_mcp; // FCU/MCP selected altitude
data_validity nav_altitude_fms_valid;
unsigned nav_altitude_fms; // FMS selected altitude
data_validity nav_altitude_src_valid;
nav_altitude_source_t nav_altitude_src; // source of altitude used by automation
data_validity nav_heading_valid;
float nav_heading; // target heading, degrees (0-359)
@ -220,7 +226,9 @@ struct aircraft {
unsigned fatsv_emitted_tas; // -"- TAS
float fatsv_emitted_mach; // -"- Mach number
airground_t fatsv_emitted_airground; // -"- air/ground state
unsigned fatsv_emitted_nav_altitude; // -"- target altitude
unsigned fatsv_emitted_nav_altitude_mcp; // -"- MCP altitude
unsigned fatsv_emitted_nav_altitude_fms; // -"- FMS altitude
unsigned fatsv_emitted_nav_altitude_src; // -"- automation altitude source
float fatsv_emitted_nav_heading; // -"- target heading
nav_modes_t fatsv_emitted_nav_modes; // -"- enabled navigation modes
float fatsv_emitted_nav_qnh; // -"- altimeter setting