--- /dev/null
+/*
+ * 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_hex(int *target, char *source)
+{
+ *target = strtol(source, NULL, 16);
+}
+
+static void
+aoview_parse_pos(double *target, char *source)
+{
+ int deg;
+ double min;
+ char dir;
+ double r;
+
+ if (sscanf(source, "%d°%lf'%c", °, &min, &dir) != 3) {
+ *target = 0;
+ return;
+ }
+ r = deg + min / 60.0;
+ if (dir == 'S' || dir == 'W')
+ r = -r;
+ *target = r;
+}
+
+#define PARSE_MAX_WORDS 256
+
+gboolean
+aoview_monitor_parse(const char *input_line)
+{
+ char *saveptr;
+ char *words[PARSE_MAX_WORDS];
+ int nword;
+ char line_buf[8192], *line;
+ struct aodata data;
+ int tracking_pos;
+
+ /* 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 < PARSE_MAX_WORDS; 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;
+ tracking_pos = 37;
+ } 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);
+ tracking_pos = 46;
+ } 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;
+ tracking_pos = -1;
+ }
+ 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;
+ }
+ if (tracking_pos >= 0 && nword >= tracking_pos + 2 && strcmp(words[tracking_pos], "SAT") == 0) {
+ int c, n, pos;
+ aoview_parse_int(&n, words[tracking_pos + 1]);
+ pos = tracking_pos + 2;
+ if (nword >= pos + n * 3) {
+ data.gps_tracking.channels = n;
+ for (c = 0; c < n; c++) {
+ aoview_parse_int(&data.gps_tracking.sats[c].svid,
+ words[pos + 0]);
+ aoview_parse_hex(&data.gps_tracking.sats[c].state,
+ words[pos + 1]);
+ aoview_parse_int(&data.gps_tracking.sats[c].c_n0,
+ words[pos + 2]);
+ pos += 3;
+ }
+ } else {
+ data.gps_tracking.channels = 0;
+ }
+ } else {
+ data.gps_tracking.channels = 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;
+}
projects / fw / altos / blobdiff