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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
#ifndef S_SPLINT_S
#include <unistd.h>
#endif /* S_SPLINT_S */
#include <stdarg.h>
#include <stdbool.h>
#include <assert.h>
#include "gpsd_config.h"
#ifdef HAVE_NCURSES_H
#include <ncurses.h>
#else
#include <curses.h>
#endif /* HAVE_NCURSES_H */
#include "gpsd.h"
#include "bits.h"
#include "gpsmon.h"
extern const struct gps_type_t nmea;
static WINDOW *nmeawin, *satwin, *gprmcwin, *gpggawin, *gpgsawin;
static double last_tick, tick_interval;
#define SENTENCELINE 1
static bool nmea_initialize(void)
{
int i;
/*@ -onlytrans @*/
nmeawin = derwin(devicewin, 3, 80, 0, 0);
(void)wborder(nmeawin, 0, 0, 0, 0, 0, 0, 0, 0);
(void)syncok(nmeawin, true);
wattrset(nmeawin, A_BOLD);
mvwaddstr(nmeawin, 2, 34, " Sentences ");
wattrset(nmeawin, A_NORMAL);
satwin = derwin(devicewin, 15, 20, 3, 0);
(void)wborder(satwin, 0, 0, 0, 0, 0, 0, 0, 0),
(void)syncok(satwin, true);
(void)wattrset(satwin, A_BOLD);
(void)mvwprintw(satwin, 1, 1, " Ch SV Az El S/N");
for (i = 0; i < SIRF_CHANNELS; i++)
(void)mvwprintw(satwin, (int)(i+2), 1, "%2d",i);
(void)mvwprintw(satwin, 14, 7, " GSV ");
(void)wattrset(satwin, A_NORMAL);
gprmcwin = derwin(devicewin, 8, 30, 3, 20);
(void)wborder(gprmcwin, 0, 0, 0, 0, 0, 0, 0, 0),
(void)syncok(gprmcwin, true);
(void)wattrset(gprmcwin, A_BOLD);
(void)mvwprintw(gprmcwin, 1, 1, "Time: ");
(void)mvwprintw(gprmcwin, 2, 1, "Latitude: ");
(void)mvwprintw(gprmcwin, 3, 1, "Longitude: ");
(void)mvwprintw(gprmcwin, 4, 1, "Speed: ");
(void)mvwprintw(gprmcwin, 5, 1, "Course: ");
(void)mvwprintw(gprmcwin, 6, 1, "Status: FAA: ");
(void)mvwprintw(gprmcwin, 7, 12, " RMC ");
(void)wattrset(gprmcwin, A_NORMAL);
gpgsawin = derwin(devicewin, 7, 30, 11, 20);
(void)wborder(gpgsawin, 0, 0, 0, 0, 0, 0, 0, 0),
(void)syncok(gpgsawin, true);
(void)wattrset(gpgsawin, A_BOLD);
(void)mvwprintw(gpgsawin, 1, 1, "Mode: ");
(void)mvwprintw(gpgsawin, 2, 1, "Sats: ");
(void)mvwprintw(gpgsawin, 3, 1, "HDOP: ");
(void)mvwprintw(gpgsawin, 4, 1, "VDOP: ");
(void)mvwprintw(gpgsawin, 5, 1, "PDOP: ");
(void)mvwprintw(gpgsawin, 6, 12, " GSA ");
(void)wattrset(gpgsawin, A_NORMAL);
gpggawin = derwin(devicewin, 6, 30, 3, 50);
(void)wborder(gpggawin, 0, 0, 0, 0, 0, 0, 0, 0),
(void)syncok(gpggawin, true);
(void)wattrset(gpggawin, A_BOLD);
(void)mvwprintw(gpggawin, 1, 1, "Altitude: ");
(void)mvwprintw(gpggawin, 2, 1, "Quality: Sats: ");
(void)mvwprintw(gpggawin, 3, 1, "HDOP: ");
(void)mvwprintw(gpggawin, 4, 1, "Geoid: ");
(void)mvwprintw(gpggawin, 5, 12, " GGA ");
(void)wattrset(gpggawin, A_NORMAL);
/*@ +onlytrans @*/
last_tick = timestamp();
return (nmeawin != NULL);
}
/*@ -globstate -nullpass (splint is confused) */
static void nmea_update(void)
{
static char sentences[NMEA_MAX];
char **fields;
assert(nmeawin!=NULL);
assert(gpgsawin!=NULL);
assert(gpggawin!=NULL);
assert(gprmcwin!=NULL);
fields = session.driver.nmea.field;
if (session.packet.outbuffer[0] == (unsigned char)'$') {
int ymax, xmax;
double now;
char newid[NMEA_MAX];
getmaxyx(nmeawin, ymax, xmax);
(void)strlcpy(newid, (char *)session.packet.outbuffer+1,
strcspn((char *)session.packet.outbuffer+1, ",")+1);
if (strstr(sentences, newid) == NULL) {
char *s_end = sentences + strlen(sentences);
if ((int)(strlen(sentences) + strlen(newid)) < xmax-2) {
*s_end++ = ' ';
(void)strcpy(s_end, newid);
} else {
*--s_end = '.';
*--s_end = '.';
*--s_end = '.';
}
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, newid);
tick_interval = now - last_tick;
if (findme != NULL) {
mvwchgat(nmeawin, SENTENCELINE, 1, xmax-13, A_NORMAL, 0, NULL);
mvwchgat(nmeawin,
SENTENCELINE, 1+(findme-sentences),
(int)strlen(newid),
A_BOLD, 0, NULL);
}
}
last_tick = now;
if (strcmp(newid, "GPGSV") == 0) {
int i;
for (i = 0; i < session.gpsdata.satellites; i++) {
(void)wmove(satwin, i+2, 3);
(void)wprintw(satwin, " %3d %3d%3d %3d",
session.gpsdata.PRN[i],
session.gpsdata.azimuth[i],
session.gpsdata.elevation[i],
session.gpsdata.ss[i]);
}
}
if (strcmp(newid, "GPRMC") == 0) {
/* Not dumped yet: magnetic variation */
char scr[128];
if (isnan(session.gpsdata.fix.time)==0) {
(void)unix_to_iso8601(session.gpsdata.fix.time, scr, sizeof(scr));
} else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)wmove(gprmcwin, 1, 7);
(void)wclrtoeol(gprmcwin);
(void)waddstr(gprmcwin, scr);
fixframe(gprmcwin);
/* Fill in the latitude. */
if (session.gpsdata.fix.mode >= MODE_2D && isnan(session.gpsdata.fix.latitude)==0) {
(void)snprintf(scr, sizeof(scr), "%s %c",
deg_to_str(deg_ddmmss, fabs(session.gpsdata.fix.latitude)),
(session.gpsdata.fix.latitude < 0) ? 'S' : 'N');
} else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)mvwprintw(gprmcwin, 2, 11, "%-17s", scr);
/* Fill in the longitude. */
if (session.gpsdata.fix.mode >= MODE_2D && isnan(session.gpsdata.fix.longitude)==0) {
(void)snprintf(scr, sizeof(scr), "%s %c",
deg_to_str(deg_ddmmss, fabs(session.gpsdata.fix.longitude)),
(session.gpsdata.fix.longitude < 0) ? 'W' : 'E');
} else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)mvwprintw(gprmcwin, 3, 11, "%-17s", scr);
/* Fill in the speed. */
if (session.gpsdata.fix.mode >= MODE_2D && isnan(session.gpsdata.fix.track)==0)
(void)snprintf(scr, sizeof(scr), "%.1f meters/sec", session.gpsdata.fix.speed);
else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)mvwprintw(gprmcwin, 4, 11, "%-17s", scr);
if (session.gpsdata.fix.mode >= MODE_2D && isnan(session.gpsdata.fix.track)==0)
(void)snprintf(scr, sizeof(scr), "%.1f deg", session.gpsdata.fix.track);
else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)mvwprintw(gprmcwin, 5, 11, "%-17s", scr);
/* the status field and FAA code */
(void)mvwaddstr(gprmcwin, 6, 11, fields[2]);
(void)mvwaddstr(gprmcwin, 6, 23, fields[12]);
}
if (strcmp(newid, "GPGSA") == 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)) {
mvwaddch(gpgsawin, 2, xmax-2-7, (chtype)'.');
mvwaddch(gpgsawin, 2, xmax-3-7, (chtype)'.');
mvwaddch(gpgsawin, 2, xmax-4-7, (chtype)'.');
}
fixframe(gpgsawin);
(void)wmove(gpgsawin, 3, 7);
(void)wprintw(gpgsawin, "%2.2f", session.gpsdata.hdop);
(void)wmove(gpgsawin, 4, 7);
(void)wprintw(gpgsawin, "%2.2f", session.gpsdata.vdop);
(void)wmove(gpgsawin, 5, 7);
(void)wprintw(gpgsawin, "%2.2f", session.gpsdata.pdop);
}
if (strcmp(newid, "GPGGA") == 0) {
char scr[128];
/* Fill in the altitude. */
if (session.gpsdata.fix.mode == MODE_3D && isnan(session.gpsdata.fix.altitude)==0)
(void)snprintf(scr, sizeof(scr), "%.1f meters",session.gpsdata.fix.altitude);
else
(void)snprintf(scr, sizeof(scr), "n/a");
(void)mvwprintw(gpggawin, 1, 11, "%-17s", scr);
(void)mvwprintw(gpggawin, 2, 10, "%1.1s", fields[6]);
(void)mvwprintw(gpggawin, 2, 19, "%2.2s", fields[7]);
(void)mvwprintw(gpggawin, 3, 10, "%-5.5s", fields[8]);
(void)mvwprintw(gpggawin, 4, 10, "%-5.5s", fields[11]);
}
}
}
/*@ +globstate +nullpass */
#undef SENTENCELINE
static void nmea_wrap(void)
{
(void)delwin(nmeawin);
(void)delwin(gpgsawin);
(void)delwin(gpggawin);
(void)delwin(gprmcwin);
}
const struct monitor_object_t nmea_mmt = {
.initialize = nmea_initialize,
.update = nmea_update,
.command = NULL,
.wrap = nmea_wrap,
.min_y = 18, .min_x = 80,
.driver = &nmea,
};
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