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|
/****************************************************************************/
/* */
/* ./gps/sendgpsinfo.c - Send data to GPS */
/* */
/* This file is part of gpstrans - a program to communicate with garmin gps */
/* Parts are taken from John F. Waers (jfwaers@csn.net) program MacGPS. */
/* */
/* */
/* Copyright (c) 1995 by Carsten Tschach (tschach@zedat.fu-berlin.de) */
/* */
/* Copyright (c) 1998 by Matthias Kattanek (mattes@ugraf.com) */
/* 980802 sscanf modification %d -> %hd */
/* in sendGPSInfo() send one record too much */
/* */
/* */
/* Permission to use, copy, modify, and distribute this software and its */
/* documentation for non-commercial purpose, is hereby granted without fee, */
/* providing that the copyright notice appear in all copies and that both */
/* the copyright notice and this permission notice appear in supporting */
/* documentation. I make no representations about the suitability of this */
/* software for any purpose. It is provides "as is" without express or */
/* implid warranty. */
/* */
/****************************************************************************/
#include "defs.h"
#include "Garmin.h"
#include "Prefs.h"
/* define external variables */
extern BYTE gGarminMessage[MAX_LENGTH];
extern struct PREFS gPrefs;
/* define global variables */
static char fileData[MAX_LINE];
static BYTE newTrack;
static BYTE message[100];
static FILE *FileRefNum;
struct PREFS gFilePrefs;
/* additions for xmap */
/* prototype functions */
static short records(short type);
static short doWaypoint(short type);
static short doTrack(void);
static short doRoute(void);
static short doAlmanac(void);
static short sendRecords(short);
static void copyNumber(BYTE *p, long n);
static char *field(char *a, short n);
static void cpystr(BYTE *p, char *q, short n);
static short getFileData(char *);
static void cleanupDMS(char *s);
/****************************************************************************/
/* Send "commit-suicide-command" to GPS. */
/****************************************************************************/
long sendGPSOff()
{
extern struct PREFS gPrefs;
extern char gMessageStr[];
short err;
/* First check it GPS responds to the "are-you-ready" package */
if (!CheckGPS()) NotResponding();
/* open serial device */
if ((err = serialOpen(GARMIN)) != noErr) {
sprintf(gMessageStr, "The port initialization of %s has failed.",
gPrefs.Device);
Error(gMessageStr);
return 99;
}
/* send command - no respond is send from GPS */
sendGPSMessage(off1, 4);
/* close serial device */
serialClose();
printf("GPS turned off successfully\n");
return 0;
}
/****************************************************************************/
/* Send multiple line packages to GPS (route, waypoint, track) */
/****************************************************************************/
void sendGPSInfo(FILE *refNum, short type)
{
extern char gMessageStr[];
short recs, processed = 0;
short err, result = 1;
char *rType;
BYTE *term;
/* First check it GPS responds to the "are-you-ready" package */
if (!CheckGPS()) NotResponding();
/* open serial device */
if ((err = serialOpen(GARMIN)) != noErr) {
sprintf(gMessageStr, "The port initialization of %s has failed.",
gPrefs.Device);
Error(gMessageStr);
return;
}
FileRefNum = refNum;
recs = records(type);
recs--; // before v034 send on record too much
/* Continue only if GPS responds to the send-request package */
if (sendRecords(recs) > 0) {
/* go to beginning of file and read first line */
rewind(FileRefNum);
GetLine(FileRefNum, &fileData, 1);
if (getFileData(fileData)) {
InitBarGraph();
if ( mayko_xmap_format ) { // manage Mayko Xmap format
printf("f%s\n", fileData);
printf("sendgpsinfo() maykoxmap format\n");
type=99;
}
/* process different requests */
switch (type) {
default:
case ALMANAC:
rType = "almanac";
term = almt;
while (GetLine(FileRefNum, &fileData, 0) &&
processed < recs && result) {
if (fileData[0] == 'A') {
result = doAlmanac();
SetBarGraph((double)(++processed)/(double)recs);
}
}
break;
case ROUTE:
rType = "routes";
term = rtet;
while (GetLine(FileRefNum, &fileData, 0) &&
processed < recs && result) {
if (fileData[0] == 'R') {
result = doRoute();
++processed;
}
if (fileData[0] == 'W') {
result = doWaypoint(ROUTE);
++processed;
}
SetBarGraph((double)(processed)/(double)recs);
}
break;
// case XMAP_ROUTE:
case 99:
rType = "routes";
term = rtet;
while (GetLine(FileRefNum, &fileData, 0) &&
processed < recs && result) {
printf("x%s\n", fileData);
if (fileData[0] == 'R') {
result = doRoute();
++processed;
}
if (fileData[0] == 'W') {
result = doWaypoint(ROUTE);
++processed;
}
SetBarGraph((double)(processed)/(double)recs);
}
break;
case TRACK:
rType = "track";
term = trkt;
newTrack = 1;
while (GetLine(FileRefNum, &fileData, 0) &&
processed < recs && result) {
if (fileData[0] == 'T') {
result = doTrack();
SetBarGraph((double)(++processed)/(double)recs);
}
else
newTrack = 1;
}
break;
case WAYPOINT:
rType = "waypoint";
term = wptt;
while (GetLine(FileRefNum, &fileData, 0) &&
(processed < recs) && result) {
if (fileData[0] == 'W') {
result = doWaypoint(WAYPOINT);
SetBarGraph((double)(++processed)/(double)recs);
}
}
break;
}
/* close BarGraph window */
CloseBarGraph();
/* send terminator message to tell GPS - its over */
if (result) {
sendGPSMessage(term, 4);
/* get final response but ignore it */
getGPSMessage();
/* print number of packages transfered */
sprintf(gMessageStr, "%d %s packets were transfered to the GPS %s",
recs, rType, "receiver.");
Message(gMessageStr);
}
/* close serial device */
serialClose();
}
else
/* error if no correct format header in file */
Error("The file header format is incorrect.");
}
}
/****************************************************************************/
/* Waypoint file format: */
/* */
/* */
/* Format: DDD UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W HOME 123 SNOWMASS 07/28/1994 20:12:54 40.1777471 -105.0892654 */
/* 0 1 2 3 4 5 */
/* TYPE NAME COMMENT DATE LATITUDE LONGITUDE */
/* */
/* */
/* Format: DMM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W HOME 123 SNOWMASS 07/28/1994 20:12:54 40 10.665' -105 05.356' */
/* 0 1 2 3 4 5 */
/* TYPE NAME COMMENT DATE LATITUDE LONGITUDE */
/* */
/* */
/* Format: DMS UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W HOME 123 SNOWMASS 07/28/1994 20:12:54 40 10'39.9" -105 05'21.4" */
/* 0 1 2 3 4 5 */
/* TYPE NAME COMMENT DATE LATITUDE LONGITUDE */
/* */
/* */
/* Format: UTM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W HOME 123 SNOWMASS 07/28/1994 20:12:54 13 T 0492400 4447279 */
/* 0 1 2 3 4 5 6 7 */
/* TYPE NAME COMMENT DATE ZE ZN EASTING NORTHING */
/* */
/* */
/* Format: BNG UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W EXAMPL BRITISH GRD 07/28/1994 20:12:54 SE 12345 67890 */
/* 0 1 2 3 4 5 6 */
/* TYPE NAME COMMENT DATE ZONE EASTING NORTHING */
/* */
/* */
/* Format: ITM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W EXAMPL IRISH GRID 07/28/1994 20:12:54 IN 12345 67890 */
/* 0 1 2 3 4 5 6 */
/* TYPE NAME COMMENT DATE ZONE EASTING NORTHING */
/* */
/* */
/* Format: FIN UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W EXAMPL SWISS GRID 07/28/1994 20:12:54 27E 012345 067890 */
/* 0 1 2 3 4 5 6 */
/* TYPE NAME COMMENT DATE ZE EASTING NORTHING */
/* */
/* */
/* Format: SUI UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* W EXAMPL SWISS GRID 07/28/1994 20:12:54 012345 067890 */
/* 0 1 2 3 5 6 */
/* TYPE NAME COMMENT DATE EASTING NORTHING */
/* */
/****************************************************************************/
/****************************************************************************/
/* Process Waypoint package - return 0 if GPS not respond. */
/****************************************************************************/
static short doWaypoint(short type)
{
double latitude, longitude, x, y;
long lat, lon, dat;
short zone;
char finzone[5]; /* Currently always 27E, i.e. not used */
char bgzone[5];
char date[20], nsZone;
enum {TYPE = 0, NAME, COMMENT, DATE, LAT, LON};
enum {ZE = 4, ZN, EASTING, NORTHING}; /* UTM Grid */
enum {BGZ = 4, BGEAST, BGNORTH}; /* British, Irish Grid */
enum {SEAST = 4, SNORTH}; /* Swiss Grid */
strncpy(date, field(fileData, DATE), 19);
date[19] = 0;
/* handle various grids */
switch(gFilePrefs.format) {
case DMS:
cleanupDMS(fileData);
latitude = DMStoDegrees(field(fileData, LAT));
longitude = DMStoDegrees(field(fileData, LON));
break;
case DMM:
cleanupDMS(fileData);
latitude = DMtoDegrees(field(fileData, LAT));
longitude = DMtoDegrees(field(fileData, LON));
break;
case DDD:
sscanf(field(fileData, LAT), "%lf %lf", &latitude, &longitude);
break;
case UTM: /* UTM Grid */
sscanf(field(fileData, ZE), "%hd", &zone);
sscanf(field(fileData, ZN), "%c", &nsZone);
sscanf(field(fileData, EASTING), "%lf %lf", &x, &y);
UTMtoDeg(zone, nsZone <= 'M', x, y, &latitude, &longitude);
break;
case KKJ: /* KKJ Grid */
sscanf(field(fileData, ZE), "%s", finzone);
sscanf(field(fileData, EASTING), "%lf %lf", &x, &y);
KKJtoDeg(2, 0, x, y, &latitude, &longitude); /* 2 is 27E, not used currently */
break;
case BNG: /* British Grid */
sscanf(field(fileData, BGZ), "%s", bgzone);
sscanf(field(fileData, BGEAST), "%lf %lf", &x, &y);
BNGtoDeg(bgzone, x, y, &latitude, &longitude);
break;
case ITM: /* Irish Grid */
sscanf(field(fileData, BGZ), "%s", bgzone);
sscanf(field(fileData, BGEAST), "%lf %lf", &x, &y);
ITMtoDeg(bgzone, x, y, &latitude, &longitude);
break;
default:
break;
}
/* translate to selected datum */
translate(0, &latitude, &longitude, gFilePrefs.datum);
/* convert numbers to GPS bytes */
lat = deg2int(latitude);
lon = deg2int(longitude);
dat = dt2secs(date, gFilePrefs.offset);
/* create package header */
if (type == WAYPOINT)
message[0] = '\x23';
else /* type == ROUTE */
message[0] = '\x1e';
/* number of message bytes to follow */
message[1] = 58;
/* copy position and time to GPS package */
cpystr(message+2, field(fileData, NAME), 6);
copyNumber(message+8, lat);
copyNumber(message+12, lon);
copyNumber(message+16, dat);
fileData[strlen(fileData)-1] = 0; /* replace newline with null */
cpystr(message+20, field(fileData, COMMENT), 40);
/* send package to GPS */
sendGPSMessage(message, 60);
/* make sure GPS respond */
return getGPSMessage();
}
/****************************************************************************/
/* Track file format: */
/* */
/* */
/* T 08/29/1994 13:32:01 40.146967 -105.125464 13 T 489391 4443614 */
/* 0 1 2 3 4 5 6 7 */
/* TYPE DATE LAT LON ZONE ZN EASTING NORTHING */
/* */
/* */
/* Format: DDD UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 40.1780207 -105.0901666 */
/* 0 1 2 3 */
/* TYPE DATE/TIME LATITUDE LONGITUDE */
/* */
/* */
/* Format: DMM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 40 10.681' -105 05.410' */
/* 0 1 2 3 */
/* TYPE DATE/TIME LATITUDE LONGITUDE */
/* */
/* */
/* Format: DMS UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 40 10'40.9" -105 05'24.6" */
/* 0 1 2 3 */
/* TYPE DATE/TIME LATITUDE LONGITUDE */
/* */
/* */
/* Format: UTM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 13 T 0492323 4447310 */
/* 0 1 2 3 4 5 */
/* TYPE DATE/TIME ZE ZN EASTING NORTHING */
/* */
/* */
/* Format: BNG UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 SE 12345 67890 */
/* 0 1 2 3 4 */
/* TYPE DATE/TIME ZONE EASTING NORTHING */
/* */
/* */
/* Format: ITM UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 IN 12345 67890 */
/* 0 1 2 3 4 */
/* TYPE DATE/TIME ZONE EASTING NORTHING */
/* */
/* */
/* Format: SUI UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* T 09/09/1994 20:03:49 012345 067890 */
/* 0 1 3 4 */
/* TYPE DATE/TIME EASTING NORTHING */
/* */
/* */
/* Note: Even though the date/time is included in the protocol, the GPS 45 */
/* appears to ignore this field. The only track data that is time stamped */
/* is that actually generated by the GPS 45; actual track data uploaded */
/* from the GPS 45 has correct time stamps. */
/* */
/****************************************************************************/
/****************************************************************************/
/* Process Track package - return 0 if GPS not respond. */
/****************************************************************************/
static short doTrack()
{
double latitude, longitude, x, y;
long lat, lon, dat;
short zone;
char date[20], nsZone, bgzone[3], finzone[5];
enum {TYPE, DATE, LAT, LON};
enum {ZE = 2, ZN, EASTING, NORTHING}; /* UTM Grid */
enum {BGZ = 2, BGEAST, BGNORTH}; /* British, Irish Grid */
enum {SEAST = 2, SNORTH}; /* Swiss Grid */
strncpy(date, field(fileData, DATE), 19);
date[19] = 0;
/* handle various grids */
switch(gFilePrefs.format) {
case DMS:
cleanupDMS(fileData);
latitude = DMStoDegrees(field(fileData, LAT));
longitude = DMStoDegrees(field(fileData, LON));
break;
case DMM:
cleanupDMS(fileData);
latitude = DMtoDegrees(field(fileData, LAT));
longitude = DMtoDegrees(field(fileData, LON));
break;
case DDD:
sscanf(field(fileData, LAT), "%lf %lf", &latitude, &longitude);
break;
case UTM: /* UTM Grid */
sscanf(field(fileData, ZE), "%hd", &zone);
sscanf(field(fileData, ZN), "%c", &nsZone);
sscanf(field(fileData, EASTING), "%lf %lf", &x, &y);
UTMtoDeg(zone, nsZone <= 'M', x, y, &latitude, &longitude);
break;
case KKJ: /* KKJ Grid */
sscanf(field(fileData, ZE), "%s", finzone);
sscanf(field(fileData, EASTING), "%lf %lf", &x, &y);
KKJtoDeg(2, 0, x, y, &latitude, &longitude); /* 2 is 27E, not used currently */
break;
case BNG: /* British Grid */
sscanf(field(fileData, BGZ), "%s", bgzone);
sscanf(field(fileData, BGEAST), "%lf %lf", &x, &y);
BNGtoDeg(bgzone, x, y, &latitude, &longitude);
break;
case ITM: /* Irish Grid */
sscanf(field(fileData, BGZ), "%s", bgzone);
sscanf(field(fileData, BGEAST), "%lf %lf", &x, &y);
ITMtoDeg(bgzone, x, y, &latitude, &longitude);
break;
default:
break;
}
/* translate to selected datum */
translate(0, &latitude, &longitude, gFilePrefs.datum);
/* convert numbers to GPS bytes */
lat = deg2int(latitude);
lon = deg2int(longitude);
dat = dt2secs(date, gFilePrefs.offset);
/* create package header */
message[0] = '\x22';
/* number of message bytes to follow */
message[1] = 13;
/* copy position and time to GPS package */
copyNumber(message+2, lat);
copyNumber(message+6, lon);
copyNumber(message+10, dat);
/* set "new track flag" */
message[14] = newTrack;
newTrack = 0;
/* send package to GPS */
sendGPSMessage(message, 15);
/* make sure GPS respond */
return getGPSMessage();
}
/****************************************************************************/
/* Route file format: */
/* */
/* */
/* R 1 BOGUS 1 */
/* 0 1 2 */
/* */
/****************************************************************************/
/****************************************************************************/
/* Process Route package - return 0 if GPS not respond. */
/****************************************************************************/
static short doRoute()
{
short route;
/* create package header */
message[0] = '\x1d';
/* number of message bytes to follow */
message[1] = 21;
/* copy route data to GPS package */
sscanf(field(fileData, 1), "%hd", &route);
// route = (short) strtol(field(fileData, 1), (char **)NULL, 10);
message[2] = route;
cpystr(message+3, field(fileData, 2), 20);
/* send package to GPS */
sendGPSMessage(message, 23);
/* make sure GPS respond */
return getGPSMessage();
}
/****************************************************************************/
/* Process Almanac package - uploading almanac data is no longer supported. */
/****************************************************************************/
#define ALM_BYTES 42
static short doAlmanac()
{
short i;
unsigned short x;
/* Print error message and return */
fprintf(stderr, "Error: Uploading of almanac data is no longer supported.\n");
return (0);
/* create package header */
message[0] = '\x1f';
/* number of message bytes to follow */
message[1] = ALM_BYTES;
/* copy almanac bytes to GPS package */
for (i = 0; i < ALM_BYTES; i++) {
sscanf(fileData+2+3*i, "%02hX", &x);
message[i+2] = (BYTE)x;
}
/* send package to GPS */
sendGPSMessage(message, ALM_BYTES+2);
/* make sure GPS respond */
return getGPSMessage();
}
/****************************************************************************/
/* Return number of records in input-file. */
/****************************************************************************/
static short records(short type)
{
short n = 0;
/* Get line from input file */
GetLine(FileRefNum, fileData, 1);
/* Parse package type until end-of-file */
while (GetLine(FileRefNum, fileData, 0)) {
/* process different types */
switch (type) {
case ALMANAC:
default:
if (fileData[0] == 'A')
++n;
break;
case ROUTE:
if (fileData[0] == 'R' || fileData[0] == 'W')
++n;
break;
case TRACK:
if (fileData[0] == 'T')
++n;
break;
case WAYPOINT:
if (fileData[0] == 'W')
++n;
break;
}
}
/* return number of records */
return n;
}
/****************************************************************************/
/* Send a message containing the number of records to follow. Returns a */
/* result code - zero if GPS did not respond. */
/****************************************************************************/
static short sendRecords(short recs)
{
short result;
/* create package header */
message[0] = '\x1b';
/* number of message bytes to follow */
message[1] = '\x02';
/* convert number of records to GPS bytes */
message[2] = recs % 256; /* LSB of number of records */
message[3] = recs / 256; /* MSB */
/* send package to GPS */
sendGPSMessage(message, 4);
/* make sure GPS respond */
result = getGPSMessage();
return result;
}
/****************************************************************************/
/* Convert long number to bytes. */
/****************************************************************************/
static void copyNumber(BYTE *p, long n)
{
*p++ = n&0xff; n >>= 8; /* LSB first */
*p++ = n&0xff; n >>= 8;
*p++ = n&0xff; n >>= 8;
*p = n&0xff;
}
/****************************************************************************/
/* returns a pointer to the nth field of a tab-delimited record which */
/* starts at address a. */
/****************************************************************************/
static char *field(char *a, short n)
{
short i = 0;
while ((i++) < n)
while (*(++a) != '\t')
;
return (a + 1);
}
/****************************************************************************/
/* Copy a string to GPS bytes. */
/****************************************************************************/
static void cpystr(BYTE *p, char *q, short n)
{
while ((*q != '\t') && (*q != '\n') && (*q != '\r') && (*q != 0)) {
*p++ = *q++;
--n;
}
while (n-- > 0)
*p++ = ' ';
}
/****************************************************************************/
/* */
/* The following function retrieves the file format info from the first */
/* line of the data file. This is highly dependent upon the following */
/* format for the first line in the file -- note that there are not */
/* embedded tabs. See the file "getGPSInfo.c" for further information. */
/* */
/* Format: DDD UTC Offset: -6.00 hrs Datum[061]: NAD27 CONUS */
/* ||| |||||| ||| */
/* 0 1 2 3 4 5 6 */
/* 0123456789012345678901234567890123456789012345678901234567890123456789 */
/* */
/****************************************************************************/
/****************************************************************************/
/* Get data format from the first line of input file. */
/****************************************************************************/
static short getFileData(char *data)
{
extern short nDatums;
char fmt[10];
sscanf(data, "%7s", fmt);
if (strcmp(fmt, "Format:") != 0) return 0;
/* Get position format */
sscanf(data+8, "%3s", fmt);
if (strcmp(fmt, "DMS") == 0)
gFilePrefs.format = DMS;
else if (strcmp(fmt, "DMM") == 0)
gFilePrefs.format = DMM;
else if (strcmp(fmt, "DDD") == 0)
gFilePrefs.format = DDD;
else if (strcmp(fmt, "UTM") == 0)
gFilePrefs.format = UTM;
else if (strcmp(fmt, "BNG") == 0)
gFilePrefs.format = BNG;
else if (strcmp(fmt, "ITM") == 0)
gFilePrefs.format = ITM;
else if (strcmp(fmt, "KKJ") == 0)
gFilePrefs.format = KKJ;
else return 0;
/* Get time offset */
sscanf(data+25, "%lf", &gFilePrefs.offset);
if (gFilePrefs.offset < -24.0 || gFilePrefs.offset > 24.0) return 0;
/* Get datum format */
sscanf(data+43, "%3hd", &gFilePrefs.datum);
if (gFilePrefs.datum < 0 || gFilePrefs.datum > nDatums-1) return 0;
/* Return if everything is okay */
return 1;
}
/****************************************************************************/
/* Change degree, minutes and second symbols to spaces. */
/****************************************************************************/
static void cleanupDMS(char *s)
{
while (*++s)
if (*s == '' || *s == '\260' || *s == '\'' || *s == '\"') *s = ' ';
}
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