static void monitor_satlist(WINDOW *win, int y, int x)
/* display as much as we can of a satlist in a specified window */
{
int ymax, xmax;
char scr[128];
int i;
assert(win != NULL);
(void)wmove(win, y, x);
(void)wclrtoeol(win);
scr[0] = '\0';
for (i = 0; i < MAXCHANNELS; i++) {
if (session.gpsdata.skyview[i].used)
str_appendf(scr, sizeof(scr),
"%d ", session.gpsdata.skyview[i].PRN);
}
getmaxyx(win, ymax, xmax);
assert(ymax != 0); /* suppress compiler warning */
(void)mvwaddnstr(win, y, x, scr, xmax - 2 - x);
if (strlen(scr) >= (size_t) (xmax - 2)) {
(void)mvwaddch(win, y, xmax - 2 - x, (chtype) '.');
(void)mvwaddch(win, y, xmax - 3 - x, (chtype) '.');
(void)mvwaddch(win, y, xmax - 4 - x, (chtype) '.');
}
monitor_fixframe(win);
}
static void nmea_update(void)
{
char **fields;
assert(cookedwin != NULL);
assert(nmeawin != NULL);
assert(gpgsawin != NULL);
assert(gpggawin != NULL);
assert(gprmcwin != NULL);
assert(gpgstwin != NULL);
/* can be NULL if packet was overlong */
fields = session.nmea.field;
if (session.lexer.outbuffer[0] == (unsigned char)'$'
&& fields != NULL && fields[0] != NULL) {
int ymax, xmax;
timestamp_t now;
getmaxyx(nmeawin, ymax, xmax);
assert(ymax > 0);
if (strstr(sentences, fields[0]) == NULL) {
char *s_end = sentences + strlen(sentences);
if ((int)(strlen(sentences) + strlen(fields[0])) < xmax - 2) {
*s_end++ = ' ';
(void)strlcpy(s_end, fields[0], NMEA_MAX);
} else {
*--s_end = '.';
*--s_end = '.';
*--s_end = '.';
}
(void)mvwaddstr(nmeawin, SENTENCELINE, 1, sentences);
}
/*
* If the interval between this and last update is
* the longest we've seen yet, boldify the corresponding
* tag.
*/
now = timestamp();
if (now > last_tick && (now - last_tick) > tick_interval) {
char *findme = strstr(sentences, fields[0]);
tick_interval = now - last_tick;
if (findme != NULL) {
(void)mvwchgat(nmeawin, SENTENCELINE, 1, xmax - 13, A_NORMAL, 0,
NULL);
(void)mvwchgat(nmeawin, SENTENCELINE, 1 + (findme - sentences),
(int)strlen(fields[0]), A_BOLD, 0, NULL);
}
}
last_tick = now;
if (strcmp(fields[0], "GPGSV") == 0
|| strcmp(fields[0], "GNGSV") == 0
|| strcmp(fields[0], "GLGSV") == 0) {
int i;
int nsats =
(session.gpsdata.satellites_visible <
MAXSATS) ? session.gpsdata.satellites_visible : MAXSATS;
for (i = 0; i < nsats; i++) {
(void)wmove(satwin, i + 2, 3);
(void)wprintw(satwin, " %3d %3d%3d %3.0f",
session.gpsdata.skyview[i].PRN,
session.gpsdata.skyview[i].azimuth,
session.gpsdata.skyview[i].elevation,
session.gpsdata.skyview[i].ss);
}
/* add overflow mark to the display */
if (nsats <= MAXSATS)
(void)mvwaddch(satwin, MAXSATS + 2, 18, ACS_HLINE);
else
(void)mvwaddch(satwin, MAXSATS + 2, 18, ACS_DARROW);
}
if (strcmp(fields[0], "GPRMC") == 0
|| strcmp(fields[0], "GNRMC") == 0
|| strcmp(fields[0], "GLRMC") == 0) {
/* time, lat, lon, course, speed */
(void)mvwaddstr(gprmcwin, 1, 12, fields[1]);
(void)mvwprintw(gprmcwin, 2, 12, "%12s %s", fields[3], fields[4]);
(void)mvwprintw(gprmcwin, 3, 12, "%12s %s", fields[5], fields[6]);
(void)mvwaddstr(gprmcwin, 4, 12, fields[7]);
(void)mvwaddstr(gprmcwin, 5, 12, fields[8]);
/* the status field, FAA code, and magnetic variation */
(void)mvwaddstr(gprmcwin, 6, 12, fields[2]);
(void)mvwaddstr(gprmcwin, 6, 25, fields[12]);
(void)mvwprintw(gprmcwin, 7, 12, "%-5s%s", fields[10],
fields[11]);
cooked_pvt(); /* cooked version of TPV */
}
if (strcmp(fields[0], "GPGSA") == 0
|| strcmp(fields[0], "GNGSA") == 0
|| strcmp(fields[0], "GLGSA") == 0) {
(void)mvwprintw(gpgsawin, MODE_LINE, 7, "%1s%s", fields[1], fields[2]);
monitor_satlist(gpgsawin, SATS_LINE, SATS_COL+6);
(void)mvwprintw(gpgsawin, DOP_LINE, 8, "%-5s", fields[16]);
(void)mvwprintw(gpgsawin, DOP_LINE, 16, "%-5s", fields[17]);
(void)mvwprintw(gpgsawin, DOP_LINE, 24, "%-5s", fields[15]);
monitor_fixframe(gpgsawin);
}
#ifdef NTP_ENABLE
toff_update(gpgsawin, TOFF_LINE, 7);
#endif /* NTP_ENABLE */
if (strcmp(fields[0], "GPGGA") == 0
|| strcmp(fields[0], "GNGGA") == 0
|| strcmp(fields[0], "GLGGA") == 0) {
(void)mvwprintw(gpggawin, 1, 12, "%-17s", fields[1]);
(void)mvwprintw(gpggawin, 2, 12, "%-17s", fields[2]);
(void)mvwprintw(gpggawin, 3, 12, "%-17s", fields[4]);
(void)mvwprintw(gpggawin, 4, 12, "%-17s", fields[9]);
(void)mvwprintw(gpggawin, 5, 12, "%1.1s", fields[6]);
(void)mvwprintw(gpggawin, 5, 22, "%2.2s", fields[7]);
(void)mvwprintw(gpggawin, 6, 12, "%-5.5s", fields[8]);
(void)mvwprintw(gpggawin, 7, 12, "%-5.5s", fields[11]);
}
if (strcmp(fields[0], "GPGST") == 0) {
(void)mvwprintw(gpgstwin, 1, 6, "%-10s", fields[1]);
(void)mvwprintw(gpgstwin, 1, 21, "%-8s", fields[2]);
(void)mvwprintw(gpgstwin, 2, 6, "%-10s", fields[3]);
(void)mvwprintw(gpgstwin, 2, 21, "%-8s", fields[4]);
(void)mvwprintw(gpgstwin, 3, 6, "%-10s", fields[5]);
(void)mvwprintw(gpgstwin, 3, 21, "%-8s", fields[6]);
(void)mvwprintw(gpgstwin, 4, 6, "%-10s", fields[7]);
(void)mvwprintw(gpgstwin, 4, 21, "%-8s", fields[8]);
}
}
#ifdef PPS_ENABLE
pps_update(gpgsawin, PPS_LINE, 6);
#endif /* PPS_ENABLE */
}
/*@ -globstate -nullpass (splint is confused) */
static void nmea_update(void)
{
char **fields;
#ifdef PPS_ENABLE
struct timedrift_t drift;
#endif /* PPS_ENABLE */
assert(cookedwin != NULL);
assert(nmeawin != NULL);
assert(gpgsawin != NULL);
assert(gpggawin != NULL);
assert(gprmcwin != NULL);
assert(gpgstwin != NULL);
/* can be NULL if packet was overlong */
fields = session.driver.nmea.field;
if (session.packet.outbuffer[0] == (unsigned char)'$'
&& fields != NULL && fields[0] != NULL) {
int ymax, xmax;
timestamp_t now;
getmaxyx(nmeawin, ymax, xmax);
assert(ymax > 0);
if (strstr(sentences, fields[0]) == NULL) {
char *s_end = sentences + strlen(sentences);
if ((int)(strlen(sentences) + strlen(fields[0])) < xmax - 2) {
*s_end++ = ' ';
(void)strlcpy(s_end, fields[0], NMEA_MAX);
} else {
*--s_end = '.';
*--s_end = '.';
*--s_end = '.';
}
(void)mvwaddstr(nmeawin, SENTENCELINE, 1, sentences);
}
/*
* If the interval between this and last update is
* the longest we've seen yet, boldify the corresponding
* tag.
*/
now = timestamp();
if (now > last_tick && (now - last_tick) > tick_interval) {
char *findme = strstr(sentences, fields[0]);
tick_interval = now - last_tick;
if (findme != NULL) {
(void)mvwchgat(nmeawin, SENTENCELINE, 1, xmax - 13, A_NORMAL, 0,
NULL);
(void)mvwchgat(nmeawin, SENTENCELINE, 1 + (findme - sentences),
(int)strlen(fields[0]), A_BOLD, 0, NULL);
}
}
last_tick = now;
if (strcmp(fields[0], "GPGSV") == 0
|| strcmp(fields[0], "GNGSV") == 0
|| strcmp(fields[0], "GLGSV") == 0) {
int i;
int nsats =
(session.gpsdata.satellites_visible <
MAXSATS) ? session.gpsdata.satellites_visible : MAXSATS;
for (i = 0; i < nsats; i++) {
(void)wmove(satwin, i + 2, 3);
(void)wprintw(satwin, " %3d %3d%3d %3.0f",
session.gpsdata.PRN[i],
session.gpsdata.azimuth[i],
session.gpsdata.elevation[i],
session.gpsdata.ss[i]);
}
/* add overflow mark to the display */
if (nsats <= MAXSATS)
(void)mvwaddch(satwin, MAXSATS + 2, 18, ACS_HLINE);
else
(void)mvwaddch(satwin, MAXSATS + 2, 18, ACS_DARROW);
}
if (strcmp(fields[0], "GPRMC") == 0
|| strcmp(fields[0], "GNRMC") == 0
|| strcmp(fields[0], "GLRMC") == 0) {
/* time, lat, lon, course, speed */
(void)mvwaddstr(gprmcwin, 1, 12, fields[1]);
(void)mvwprintw(gprmcwin, 2, 12, "%12s %s", fields[3], fields[4]);
(void)mvwprintw(gprmcwin, 3, 12, "%12s %s", fields[5], fields[6]);
(void)mvwaddstr(gprmcwin, 4, 12, fields[7]);
(void)mvwaddstr(gprmcwin, 5, 12, fields[8]);
/* the status field, FAA code, and magnetic variation */
(void)mvwaddstr(gprmcwin, 6, 12, fields[2]);
(void)mvwaddstr(gprmcwin, 6, 25, fields[12]);
(void)mvwprintw(gprmcwin, 7, 12, "%-5s%s", fields[10],
fields[11]);
cooked_pvt(); /* cooked version of PVT */
}
if (strcmp(fields[0], "GPGSA") == 0
|| strcmp(fields[0], "GNGSA") == 0
|| strcmp(fields[0], "GLGSA") == 0) {
char scr[128];
int i;
(void)mvwprintw(gpgsawin, 1, 7, "%1s %s", fields[1], fields[2]);
(void)wmove(gpgsawin, 2, 7);
(void)wclrtoeol(gpgsawin);
scr[0] = '\0';
for (i = 0; i < session.gpsdata.satellites_used; i++) {
(void)snprintf(scr + strlen(scr), sizeof(scr) - strlen(scr),
"%d ", session.gpsdata.used[i]);
}
getmaxyx(gpgsawin, ymax, xmax);
(void)mvwaddnstr(gpgsawin, 2, 7, scr, xmax - 2 - 7);
if (strlen(scr) >= (size_t) (xmax - 2)) {
(void)mvwaddch(gpgsawin, 2, xmax - 2 - 7, (chtype) '.');
(void)mvwaddch(gpgsawin, 2, xmax - 3 - 7, (chtype) '.');
(void)mvwaddch(gpgsawin, 2, xmax - 4 - 7, (chtype) '.');
}
monitor_fixframe(gpgsawin);
(void)mvwprintw(gpgsawin, 3, 8, "%-5s", fields[16]);
(void)mvwprintw(gpgsawin, 3, 16, "%-5s", fields[17]);
(void)mvwprintw(gpgsawin, 3, 24, "%-5s", fields[15]);
monitor_fixframe(gpgsawin);
}
if (strcmp(fields[0], "GPGGA") == 0
|| strcmp(fields[0], "GNGGA") == 0
|| strcmp(fields[0], "GLGGA") == 0) {
(void)mvwprintw(gpggawin, 1, 12, "%-17s", fields[1]);
(void)mvwprintw(gpggawin, 2, 12, "%-17s", fields[2]);
(void)mvwprintw(gpggawin, 3, 12, "%-17s", fields[4]);
(void)mvwprintw(gpggawin, 4, 12, "%-17s", fields[9]);
(void)mvwprintw(gpggawin, 5, 12, "%1.1s", fields[6]);
(void)mvwprintw(gpggawin, 5, 22, "%2.2s", fields[7]);
(void)mvwprintw(gpggawin, 6, 12, "%-5.5s", fields[8]);
(void)mvwprintw(gpggawin, 7, 12, "%-5.5s", fields[11]);
}
if (strcmp(fields[0], "GPGST") == 0) {
(void)mvwprintw(gpgstwin, 1, 6, "%-10s", fields[1]);
(void)mvwprintw(gpgstwin, 1, 21, "%-8s", fields[2]);
(void)mvwprintw(gpgstwin, 2, 6, "%-10s", fields[3]);
(void)mvwprintw(gpgstwin, 2, 21, "%-8s", fields[4]);
(void)mvwprintw(gpgstwin, 3, 6, "%-10s", fields[5]);
(void)mvwprintw(gpgstwin, 3, 21, "%-8s", fields[6]);
(void)mvwprintw(gpgstwin, 4, 6, "%-10s", fields[7]);
(void)mvwprintw(gpgstwin, 4, 21, "%-8s", fields[8]);
}
}
#ifdef PPS_ENABLE
/*@-compdef@*/
/*@-type@*/ /* splint is confused about struct timespec */
if (pps_thread_lastpps(&session, &drift) > 0) {
double timedelta = timespec_diff_ns(drift.real, drift.clock) * 1e-9;
(void)mvwprintw(gpgsawin, 4, 13, "%.9f", timedelta);
(void)wnoutrefresh(gpgsawin);
}
/*@+type@*/
/*@+compdef@*/
#endif /* PPS_ENABLE */
}