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Tweak tracking of AP modes, emit in json & faup1090 output

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This commit is contained in:
Oliver Jowett 2017-06-16 10:39:01 +01:00
parent e3c8c91852
commit 382554a250
6 changed files with 106 additions and 29 deletions
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8
comm_b.c
View file

@ -383,9 +383,11 @@ static int decodeBDS40(struct modesMessage *mm, bool store)
}
if (mode_valid) {
mm->intent.mode_vnav = (mode_raw & 4) ? 1 : 0;
mm->intent.mode_alt_hold = (mode_raw & 2) ? 1 : 0;
mm->intent.mode_approach = (mode_raw & 1) ? 1 : 0;
mm->intent.modes_valid = 1;
mm->intent.modes =
((mode_raw & 4) ? INTENT_MODE_VNAV : 0) |
((mode_raw & 2) ? INTENT_MODE_ALT_HOLD : 0) |
((mode_raw & 1) ? INTENT_MODE_APPROACH : 0);
}
if (source_valid) {

16
dump1090.h
View file

@ -205,6 +205,14 @@ typedef enum {
COMMB_HEADING_SPEED
} commb_format_t;
typedef enum {
INTENT_MODE_AUTOPILOT = 1,
INTENT_MODE_VNAV = 2,
INTENT_MODE_ALT_HOLD = 4,
INTENT_MODE_APPROACH = 8,
INTENT_MODE_LNAV = 16
} intent_modes_t;
#define MODES_NON_ICAO_ADDRESS (1<<24) // Set on addresses to indicate they are not ICAO addresses
#define MODES_DEBUG_DEMOD (1<<0)
@ -526,6 +534,7 @@ struct modesMessage {
unsigned fms_altitude_valid : 1;
unsigned mcp_altitude_valid : 1;
unsigned alt_setting_valid : 1;
unsigned modes_valid : 1;
float heading; // heading, degrees (0-359) (could be magnetic or true heading; magnetic recommended)
unsigned fms_altitude; // FMS selected altitude
@ -534,12 +543,7 @@ struct modesMessage {
enum { INTENT_ALT_INVALID, INTENT_ALT_UNKNOWN, INTENT_ALT_AIRCRAFT, INTENT_ALT_MCP, INTENT_ALT_FMS } altitude_source;
unsigned mode_autopilot : 1; // Autopilot engaged
unsigned mode_vnav : 1; // Vertical Navigation Mode active
unsigned mode_alt_hold : 1; // Altitude Hold Mode active
unsigned mode_approach : 1; // Approach Mode active
unsigned mode_lnav : 1; // Lateral Navigation Mode active
intent_modes_t modes;
} intent;
};

52
mode_s.c
View file

@ -968,13 +968,15 @@ static void decodeESTargetStatus(struct modesMessage *mm, int check_imf)
// 45-46: SIL
if (getbit(me, 47)) {
mm->intent.mode_autopilot = getbit(me, 48);
mm->intent.mode_vnav = getbit(me, 49);
mm->intent.mode_alt_hold = getbit(me, 50);
// 51: IMF
mm->intent.mode_approach = getbit(me, 52);
// 53: TCAS operational
mm->intent.mode_lnav = getbit(me, 54);
mm->intent.modes_valid = 1;
mm->intent.modes =
(getbit(me, 48) ? INTENT_MODE_AUTOPILOT : 0) |
(getbit(me, 49) ? INTENT_MODE_VNAV : 0) |
(getbit(me, 50) ? INTENT_MODE_ALT_HOLD : 0) |
// 51: IMF
(getbit(me, 52) ? INTENT_MODE_APPROACH : 0) |
// 53: TCAS operational
(getbit(me, 54) ? INTENT_MODE_LNAV : 0);
}
// 55-56 reserved
@ -1342,6 +1344,28 @@ static const char *commb_format_to_string(commb_format_t format) {
}
}
static const char *intent_modes_to_string(intent_modes_t flags)
{
static char buf[128];
buf[0] = 0;
if (flags & INTENT_MODE_AUTOPILOT)
strcat(buf, "autopilot ");
if (flags & INTENT_MODE_VNAV)
strcat(buf, "vnav ");
if (flags & INTENT_MODE_ALT_HOLD)
strcat(buf, "althold ");
if (flags & INTENT_MODE_APPROACH)
strcat(buf, "approach ");
if (flags & INTENT_MODE_LNAV)
strcat(buf, "lnav ");
if (buf[0] != 0)
buf[strlen(buf)-1] = 0;
return buf;
}
static void print_hex_bytes(unsigned char *data, size_t len) {
size_t i;
for (i = 0; i < len; ++i) {
@ -1749,18 +1773,8 @@ void displayModesMessage(struct modesMessage *mm) {
}
}
if (mm->intent.mode_autopilot ||
mm->intent.mode_vnav ||
mm->intent.mode_alt_hold ||
mm->intent.mode_approach ||
mm->intent.mode_lnav) {
printf(" Active modes: ");
if (mm->intent.mode_autopilot) printf("autopilot ");
if (mm->intent.mode_vnav) printf("VNAV ");
if (mm->intent.mode_alt_hold) printf("altitude-hold ");
if (mm->intent.mode_approach) printf("approach ");
if (mm->intent.mode_lnav) printf("LNAV ");
printf("\n");
if (mm->intent.modes_valid) {
printf(" Active modes: %s\n", intent_modes_to_string(mm->intent.modes));
}
}

51
net_io.c
View file

@ -1135,6 +1135,37 @@ static char *append_flags(char *p, char *end, struct aircraft *a, datasource_t s
return p;
}
static struct {
intent_modes_t flag;
const char *name;
} intent_modes_names[] = {
{ INTENT_MODE_AUTOPILOT, "autopilot" },
{ INTENT_MODE_VNAV, "vnav" },
{ INTENT_MODE_ALT_HOLD, "althold" },
{ INTENT_MODE_APPROACH, "approach" },
{ INTENT_MODE_LNAV, "lnav" },
{ 0, NULL }
};
static char *append_intent_modes(char *p, char *end, intent_modes_t flags, const char *quote, const char *sep)
{
int first = 1;
for (int i = 0; intent_modes_names[i].name; ++i) {
if (!(flags & intent_modes_names[i].flag)) {
continue;
}
if (!first) {
p += snprintf(p, end-p, "%s", sep);
}
first = 0;
p += snprintf(p, end-p, "%s%s%s", quote, intent_modes_names[i].name, quote);
}
return p;
}
static const char *addrtype_short_string(addrtype_t type) {
switch (type) {
case ADDR_ADSB_ICAO:
@ -1231,6 +1262,11 @@ char *generateAircraftJson(const char *url_path, int *len) {
p += snprintf(p, end-p, ",\"intent_alt\":%d", a->intent_altitude);
if (trackDataValid(&a->intent_heading_valid))
p += snprintf(p, end-p, ",\"intent_heading\":%.1f", a->intent_heading);
if (trackDataValid(&a->intent_modes_valid)) {
p += snprintf(p, end-p, ",\"intent_modes\":[");
p = append_intent_modes(p, end, a->intent_modes, "\"", ",");
p += snprintf(p, end-p, "]");
}
if (trackDataValid(&a->alt_setting_valid))
p += snprintf(p, end-p, ",\"alt_setting\":%.1f", a->alt_setting);
@ -1855,7 +1891,8 @@ typedef enum {
TISB_CATEGORY = 8192,
TISB_INTENT_ALT = 16384,
TISB_INTENT_HEADING = 32768,
TISB_ALT_SETTING = 65536
TISB_ALT_SETTING = 65536,
TISB_INTENT_MODES = 131072
} tisb_flags;
struct {
@ -1879,6 +1916,7 @@ struct {
{ TISB_INTENT_ALT, "intent_alt" },
{ TISB_INTENT_HEADING, "intent_heading" },
{ TISB_ALT_SETTING, "alt_setting" },
{ TISB_INTENT_MODES, "intent_modes" },
{ 0, NULL }
};
@ -1945,6 +1983,7 @@ static void writeFATSV()
int categoryValid = trackDataValidEx(&a->category_valid, now, 15000, SOURCE_MODE_S_CHECKED);
int intentAltValid = trackDataValidEx(&a->intent_altitude_valid, now, 15000, SOURCE_MODE_S); // Comm-B or ES
int intentHeadingValid = trackDataValidEx(&a->intent_heading_valid, now, 15000, SOURCE_MODE_S); // Comm-B or ES
int intentModesValid = trackDataValidEx(&a->intent_modes_valid, now, 15000, SOURCE_MODE_S); // Comm-B or ES
int altSettingValid = trackDataValidEx(&a->alt_setting_valid, now, 15000, SOURCE_MODE_S); // Comm-B or ES
int callsignValid = trackDataValidEx(&a->callsign_valid, now, 15000, SOURCE_MODE_S); // Comm-B or ES
@ -2004,6 +2043,9 @@ static void writeFATSV()
if (intentHeadingValid && heading_difference(a->intent_heading, a->fatsv_emitted_intent_heading) > 2) {
changed = immediate = 1;
}
if (intentModesValid && a->intent_modes != a->fatsv_emitted_intent_modes) {
changed = immediate = 1;
}
if (altSettingValid && fabs(a->alt_setting - a->fatsv_emitted_alt_setting) > 0.8) { // 0.8 is the ES message resolution
changed = immediate = 1;
}
@ -2212,6 +2254,13 @@ static void writeFATSV()
tisb |= (a->category_valid.source == SOURCE_TISB) ? TISB_INTENT_HEADING : 0;
}
if (intentModesValid && a->intent_modes_valid.updated > a->fatsv_last_emitted) {
p += snprintf(p, end-p, "\tintent_modes\t");
p = append_intent_modes(p, end, a->intent_modes, "", " ");
a->fatsv_emitted_intent_modes = a->intent_modes;
tisb |= (a->category_valid.source == SOURCE_TISB) ? TISB_INTENT_MODES : 0;
}
if (altSettingValid && a->alt_setting_valid.updated > a->fatsv_last_emitted) {
p += snprintf(p, bufsize(p,end), "\talt_setting\t%.1f", a->alt_setting);
a->fatsv_emitted_alt_setting = a->alt_setting;

4
track.c
View file

@ -652,6 +652,10 @@ struct aircraft *trackUpdateFromMessage(struct modesMessage *mm)
a->intent_heading = mm->intent.heading;
}
if (mm->intent.modes_valid && accept_data(&a->intent_modes_valid, mm->source, now)) {
a->intent_modes = mm->intent.modes;
}
if (mm->intent.alt_setting_valid && accept_data(&a->alt_setting_valid, mm->source, now)) {
a->alt_setting = mm->intent.alt_setting;
}

4
track.h
View file

@ -145,6 +145,9 @@ struct aircraft {
data_validity intent_heading_valid;
float intent_heading; // intent heading, degrees (0-359)
data_validity intent_modes_valid;
intent_modes_t intent_modes; // enabled modes (autopilot, vnav, etc)
data_validity cpr_odd_valid; // Last seen even CPR message
cpr_type_t cpr_odd_type;
unsigned cpr_odd_lat;
@ -184,6 +187,7 @@ struct aircraft {
airground_t fatsv_emitted_airground; // -"- air/ground state
unsigned fatsv_emitted_intent_altitude; // -"- intent altitude
float fatsv_emitted_intent_heading; // -"- intent heading
intent_modes_t fatsv_emitted_intent_modes; // -"- enabled modes
float fatsv_emitted_alt_setting; // -"- altimeter setting
unsigned char fatsv_emitted_bds_10[7]; // -"- BDS 1,0 message
unsigned char fatsv_emitted_bds_30[7]; // -"- BDS 3,0 message