TeleStern/ao-tools/ao-view/aoview_monitor.c

110 lines
2.6 KiB
C

/*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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();
}
gboolean
aoview_monitor_parse(const char *input_line)
{
struct cc_telem telem;
if (!cc_telem_parse(input_line, &telem))
return FALSE;
aoview_state_notify(&telem);
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);
aoview_log_set_flight(aostate.data.flight);
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;
}
}
}
void
aoview_monitor_set_channel(int channel)
{
if (monitor_serial) {
aoview_serial_printf(monitor_serial, "m 0\n");
aoview_serial_printf(monitor_serial, "c r %d\n", channel);
aoview_serial_printf(monitor_serial, "m 1\n");
}
}
gboolean
aoview_monitor_connect(char *tty)
{
int channel;
aoview_monitor_disconnect();
monitor_serial = aoview_serial_open(tty);
if (!monitor_serial)
return FALSE;
aoview_table_clear();
aoview_state_reset();
channel = aoview_channel_current();
aoview_monitor_set_channel(channel);
aoview_serial_set_callback(monitor_serial,
aoview_monitor_callback);
return TRUE;
}