Checkpoint first cut an gpsnon support for TNT. Not yet working.

Also, a splint cleanup or two.  All regression tests pass.

1 files changed, 147 insertions, 0 deletions

diff --git a/monitor_tnt.c b/monitor_tnt.c
new file mode 100644
index 00000000..91ae3e7f
--- /dev/null
+++ b/monitor_tnt.c
@@ -0,0 +1,147 @@
+/*
+ * 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 <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"
+
+#ifdef TNT_ENABLE
+extern const struct gps_type_t trueNorth;
+
+static WINDOW *thtmwin;
+
+static bool tnt_initialize(void)
+{
+    /*@ -onlytrans @*/
+    thtmwin  = derwin(devicewin, 3, 40, 0, 0);
+    (void)wborder(thtmwin, 0, 0, 0, 0, 0, 0, 0, 0),
+    (void)syncok(thtmwin, true);
+    (void)wattrset(thtmwin, A_BOLD);
+    (void)mvwprintw(thtmwin, 1,  1, "Heading:          ");
+    (void)mvwprintw(thtmwin, 2,  1, "Pitch:            ");
+    (void)mvwprintw(thtmwin, 3,  1, "Roll:             ");
+    (void)mvwprintw(thtmwin, 4,  1, "Dip:              ");
+    (void)mvwprintw(thtmwin, 5,  1, "Mag Field Len:    ");
+    (void)mvwprintw(thtmwin, 6,  1, "Mag Field X:      ");
+    (void)mvwprintw(thtmwin, 7,  1, "Mag Field Y:      ");
+    (void)mvwprintw(thtmwin, 8,  1, "Mag Field Z:      ");
+    (void)mvwprintw(thtmwin, 9,  1, "Acceleration Len: ");
+    (void)mvwprintw(thtmwin, 10, 1, "Acceleration X:   ");
+    (void)mvwprintw(thtmwin, 11, 1, "Acceleration Y:   ");
+    (void)mvwprintw(thtmwin, 12, 1, "Acceleration Z:   ");
+    (void)mvwprintw(thtmwin, 13, 1, "Depth:         ");
+    (void)mvwprintw(thtmwin, 14, 1, "Temperature:   ");
+    (void)wattrset(thtmwin, A_NORMAL);
+    /*@ +onlytrans @*/
+    return true;
+}
+
+static void tnt_update(void)
+{
+    /*
+     * Called on each packet received.  The packet will be accessible in 
+     * session.packet.outbuffer and the length in session.packet.outbuflen.
+     * If the device is NMEA, session.driver.nmea.fields[] will contain the
+     * array of unconverted field strings, including the tag in slot zero
+     * but not including the checksum or trailing \r\n.
+     *
+     * Use this function to update devicewin.  The packet will be echoed to
+     * packetwin immediately after this function is called; you can use this
+     * function to write a prefix on the line.
+     */
+}
+
+static int tnt_command(char line[])
+{
+    /*
+     * 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 = 16, .min_x = 80,	/* size of the device window */
+    .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'.
+ */