X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=ao-view%2Faoview_monitor.c;fp=ao-view%2Faoview_monitor.c;h=9265a1992ac439294dbec034e1b0b2ca0a204b84;hb=7c790fe859dff062692964338091ffbbcdf63257;hp=0000000000000000000000000000000000000000;hpb=a5782398d968e7cb11f7203afada7c216f233b3b;p=fw%2Faltos

diff --git a/ao-view/aoview_monitor.c b/ao-view/aoview_monitor.c
new file mode 100644
index 00000000..9265a199
--- /dev/null
+++ b/ao-view/aoview_monitor.c
@@ -0,0 +1,196 @@
+/*
+ * Copyright © 2009 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "aoview.h"
+
+static struct aoview_serial *monitor_serial;
+
+#define MONITOR_LEN	1024
+
+static char	monitor_line[MONITOR_LEN + 1];
+static int	monitor_pos;
+
+void
+aoview_monitor_disconnect(void)
+{
+	if (monitor_serial) {
+		aoview_serial_close(monitor_serial);
+		monitor_serial = NULL;
+	}
+	aoview_log_new();
+}
+
+static void
+aoview_parse_string(char *target, int len, char *source)
+{
+	strncpy(target, source, len-1);
+	target[len-1] = '\0';
+}
+
+static void
+aoview_parse_int(int *target, char *source)
+{
+	*target = strtol(source, NULL, 0);
+}
+
+static void
+aoview_parse_pos(double *target, char *source)
+{
+	int	deg;
+	double	min;
+	char	dir;
+	double	r;
+
+	if (sscanf(source, "%d°%lf'%c", &deg, &min, &dir) != 3) {
+		*target = 0;
+		return;
+	}
+	r = deg + min / 60.0;
+	if (dir == 'S' || dir == 'W')
+		r = -r;
+	*target = r;
+}
+
+gboolean
+aoview_monitor_parse(const char *input_line)
+{
+	char *saveptr;
+	char *words[64];
+	int nword;
+	char line_buf[8192], *line;
+	struct aodata	data;
+
+	/* avoid smashing our input parameter */
+	strncpy (line_buf, input_line, sizeof (line_buf)-1);
+	line_buf[sizeof(line_buf) - 1] = '\0';
+	line = line_buf;
+	for (nword = 0; nword < 64; nword++) {
+		words[nword] = strtok_r(line, " \t\n", &saveptr);
+		line = NULL;
+		if (words[nword] == NULL)
+			break;
+	}
+	if (nword < 36)
+		return FALSE;
+	if (strcmp(words[0], "CALL") != 0)
+		return FALSE;
+	aoview_parse_string(data.callsign, sizeof (data.callsign), words[1]);
+	aoview_parse_int(&data.serial, words[3]);
+
+	aoview_parse_int(&data.rssi, words[5]);
+	aoview_parse_string(data.state, sizeof (data.state), words[9]);
+	aoview_parse_int(&data.tick, words[10]);
+	aoview_parse_int(&data.accel, words[12]);
+	aoview_parse_int(&data.pres, words[14]);
+	aoview_parse_int(&data.temp, words[16]);
+	aoview_parse_int(&data.batt, words[18]);
+	aoview_parse_int(&data.drogue, words[20]);
+	aoview_parse_int(&data.main, words[22]);
+	aoview_parse_int(&data.flight_accel, words[24]);
+	aoview_parse_int(&data.ground_accel, words[26]);
+	aoview_parse_int(&data.flight_vel, words[28]);
+	aoview_parse_int(&data.flight_pres, words[30]);
+	aoview_parse_int(&data.ground_pres, words[32]);
+	aoview_parse_int(&data.gps.nsat, words[34]);
+	if (strcmp (words[36], "unlocked") == 0) {
+		data.gps.gps_connected = 1;
+		data.gps.gps_locked = 0;
+		data.gps.gps_time.hour = data.gps.gps_time.minute = data.gps.gps_time.second = 0;
+		data.gps.lat = data.gps.lon = 0;
+		data.gps.alt = 0;
+	} else if (nword >= 40) {
+		data.gps.gps_locked = 1;
+		data.gps.gps_connected = 1;
+		sscanf(words[36], "%d:%d:%d", &data.gps.gps_time.hour, &data.gps.gps_time.minute, &data.gps.gps_time.second);
+		aoview_parse_pos(&data.gps.lat, words[37]);
+		aoview_parse_pos(&data.gps.lon, words[38]);
+		sscanf(words[39], "%dm", &data.gps.alt);
+	} else {
+		data.gps.gps_connected = 0;
+		data.gps.gps_locked = 0;
+		data.gps.gps_time.hour = data.gps.gps_time.minute = data.gps.gps_time.second = 0;
+		data.gps.lat = data.gps.lon = 0;
+		data.gps.alt = 0;
+	}
+	if (nword >= 46) {
+		data.gps.gps_extended = 1;
+		sscanf(words[40], "%lfm/s", &data.gps.ground_speed);
+		sscanf(words[41], "%d", &data.gps.course);
+		sscanf(words[42], "%lfm/s", &data.gps.climb_rate);
+		sscanf(words[43], "%lf", &data.gps.hdop);
+		sscanf(words[44], "%d", &data.gps.h_error);
+		sscanf(words[45], "%d", &data.gps.v_error);
+	} else {
+		data.gps.gps_extended = 0;
+		data.gps.ground_speed = 0;
+		data.gps.course = 0;
+		data.gps.climb_rate = 0;
+		data.gps.hdop = 0;
+		data.gps.h_error = 0;
+		data.gps.v_error = 0;
+	}
+	aoview_state_notify(&data);
+	return TRUE;
+}
+
+static void
+aoview_monitor_callback(gpointer user_data,
+			struct aoview_serial *serial,
+			gint revents)
+{
+	int	c;
+
+	if (revents & (G_IO_HUP|G_IO_ERR)) {
+		aoview_monitor_disconnect();
+		return;
+	}
+	if (revents & G_IO_IN) {
+		for (;;) {
+			c = aoview_serial_getc(serial);
+			if (c == -1)
+				break;
+			if (c == '\r')
+				continue;
+			if (c == '\n') {
+				monitor_line[monitor_pos] = '\0';
+				if (monitor_pos) {
+					if (aoview_monitor_parse(monitor_line)) {
+						aoview_log_set_serial(aostate.data.serial);
+						if (aoview_log_get_serial())
+							aoview_log_printf ("%s\n", monitor_line);
+					}
+				}
+				monitor_pos = 0;
+			} else if (monitor_pos < MONITOR_LEN)
+				monitor_line[monitor_pos++] = c;
+		}
+	}
+}
+
+gboolean
+aoview_monitor_connect(char *tty)
+{
+	aoview_monitor_disconnect();
+	monitor_serial = aoview_serial_open(tty);
+	if (!monitor_serial)
+		return FALSE;
+	aoview_table_clear();
+	aoview_state_reset();
+	aoview_serial_set_callback(monitor_serial,
+				   aoview_monitor_callback);
+	return TRUE;
+}