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/*
* monitor_tnt.c - gpsmon support for True North Revolution devices.
*
* This file is Copyright (c) 2010 by the GPSD project
* BSD terms apply: see the file COPYING in the distribution root for details.
*/
#include <assert.h>
#include "gpsd.h"
#include "gpsmon.h"
#ifdef TNT_ENABLE
extern const struct gps_type_t driver_trueNorth;
static WINDOW *thtmwin;
static bool tnt_initialize(void)
{
/*@-globstate@*/
/*@ -onlytrans @*/
thtmwin = derwin(devicewin, 6, 80, 0, 0);
assert(thtmwin != NULL);
(void)wborder(thtmwin, 0, 0, 0, 0, 0, 0, 0, 0),
(void)syncok(thtmwin, true);
(void)wattrset(thtmwin, A_BOLD);
(void)mvwaddstr(thtmwin, 0, 35, " PTNTHTM ");
(void)mvwaddstr(thtmwin, 1, 1, "Heading: ");
(void)mvwaddstr(thtmwin, 2, 1, "Pitch: ");
(void)mvwaddstr(thtmwin, 3, 1, "Roll: ");
(void)mvwaddstr(thtmwin, 4, 1, "Dip: ");
(void)mvwaddstr(thtmwin, 1, 40, "Magnetometer Status: ");
(void)mvwaddstr(thtmwin, 2, 40, "Pitch Status: ");
(void)mvwaddstr(thtmwin, 3, 40, "Roll Status ");
(void)mvwaddstr(thtmwin, 4, 40, "Horizontal Field: ");
(void)wattrset(thtmwin, A_NORMAL);
/*@ +onlytrans @*/
return true;
/*@+globstate@*/
}
static void tnt_update(void)
{
/*
* We have to do our own field parsing because the way this
* gets called, nmea_parse() is never called on the sentence.
*/
(void)nmea_parse((char *)session.packet.outbuffer, &session);
(void)mvwaddstr(thtmwin, 1, 19, session.nmea.field[1]);
(void)mvwaddstr(thtmwin, 2, 19, session.nmea.field[3]);
(void)mvwaddstr(thtmwin, 3, 19, session.nmea.field[5]);
(void)mvwaddstr(thtmwin, 4, 19, session.nmea.field[7]);
(void)mvwaddstr(thtmwin, 1, 61, session.nmea.field[2]);
(void)mvwaddstr(thtmwin, 2, 61, session.nmea.field[4]);
(void)mvwaddstr(thtmwin, 3, 61, session.nmea.field[6]);
(void)mvwaddstr(thtmwin, 4, 61, session.nmea.field[8]);
}
static int tnt_command(char line[] UNUSED)
{
/*
* Interpret a command line. Whatever characters the user types will
* be echoed in the command buffer at the top right of the display. When
* he/she presses enter the command line will be passed to this function
* for interpretation. Note: packet receipt is suspended while this
* function is executing.
*
* This method is optional. If you set the command method pointer to
* NULL, gpsmon will behave sanely, accepting no device-specific commands.
*
* It is a useful convention to use uppercase letters for
* driver-specific commands and leave lowercase ones for the
* generic gpsmon ones.
*/
/*
* Return COMMAND_UNKNOWN to tell gpsmon you can't interpret the line, and
* it will be passed to the generic command interpreter to be handled there.
* You can alse return COMMAND_MATCH to tell it you handled the command,
* or COMMAND_TERMINATE to tell gpsmon you handled it and gpsmon should
* terminate.
*/
return COMMAND_UNKNOWN;
}
static void tnt_wrap(void)
{
(void)delwin(thtmwin);
}
/*
* Use mmt = monitor method table as a suffix for naming these things
* Yours will need to be added to the monitor_objects table in gpsmon.c,
* then of course you need to link your module into gpsmon.
*/
const struct monitor_object_t tnt_mmt = {
.initialize = tnt_initialize,
.update = tnt_update,
.command = tnt_command,
.wrap = tnt_wrap,
.min_y = 6,.min_x = 80, /* size of the device window */
.driver = &driver_trueNorth,
};
#endif /* TNT_ENABLE */
/*
* Helpers:
*
* bool monitor_control_send(unsigned char *buf, size_t len)
* Ship a packet payload to the device. Calls the driver send_control()
* method to add headers/trailers/checksum; also dumps the sent
* packet to the packet window, if the send_control() is playing
* nice by using session.msgbuf to assemble the message.
*
* void monitor_log(const char *fmt, ...)
* Write a message to the packet window. Safe if the packet window
* is not on screen.
*
* void monitor_complain(const char *fmt, ...)
* Post an error message to the command window, wait till user presses a key.
* You get to make sure the message will fit.
*
* void monitor_fixframe(WINDOW *win)
* Fix the frame of win to the right of the current location by redrawing
* ACS_VLINE there. Useful after doing wclrtoeol() and writing on the
* line.
*
* The libgpsd session object is accessible as the global variable 'session'.
*/
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