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Merge branch 'master' into gps-fixedposboot

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This commit is contained in:
Ben Meadors
2023-01-21 20:34:41 -06:00
committed by GitHub
parent 52e8dc7317 fc5e80a5cc
commit fab663d1b7
318 changed files with 7783 additions and 7862 deletions
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3
src/gps/GPS.cpp
View File

@@ -295,6 +295,7 @@ bool GPS::setup()
notifyDeepSleepObserver.observe(&notifyDeepSleep);
notifyGPSSleepObserver.observe(&notifyGPSSleep);
}
if (config.position.gps_enabled == false && config.position.fixed_position == false) {
setAwake(false);
doGPSpowersave(false);
@@ -489,7 +490,7 @@ int32_t GPS::runOnce()
if (hasValidLocation) {
LOG_DEBUG("hasValidLocation FALLING EDGE (last read: %d)\n", gotLoc);
}
p = Position_init_default;
p = meshtastic_Position_init_default;
hasValidLocation = false;
}

2
src/gps/GPS.h
View File

@@ -54,7 +54,7 @@ class GPS : private concurrency::OSThread
/** If !NULL we will use this serial port to construct our GPS */
static HardwareSerial *_serial_gps;
Position p = Position_init_default;
meshtastic_Position p = meshtastic_Position_init_default;
GPS() : concurrency::OSThread("GPS") {}

285
src/gps/GeoCoord.cpp
View File

@@ -1,21 +1,25 @@
#include "GeoCoord.h"
GeoCoord::GeoCoord() {
GeoCoord::GeoCoord()
{
_dirty = true;
}
GeoCoord::GeoCoord (int32_t lat, int32_t lon, int32_t alt) : _latitude(lat), _longitude(lon), _altitude(alt) {
GeoCoord::GeoCoord(int32_t lat, int32_t lon, int32_t alt) : _latitude(lat), _longitude(lon), _altitude(alt)
{
GeoCoord::setCoords();
}
GeoCoord::GeoCoord (float lat, float lon, int32_t alt) : _altitude(alt) {
GeoCoord::GeoCoord(float lat, float lon, int32_t alt) : _altitude(alt)
{
// Change decimial reprsentation to int32_t. I.e., 12.345 becomes 123450000
_latitude = int32_t(lat * 1e+7);
_longitude = int32_t(lon * 1e+7);
GeoCoord::setCoords();
}
GeoCoord::GeoCoord(double lat, double lon, int32_t alt): _altitude(alt) {
GeoCoord::GeoCoord(double lat, double lon, int32_t alt) : _altitude(alt)
{
// Change decimial reprsentation to int32_t. I.e., 12.345 becomes 123450000
_latitude = int32_t(lat * 1e+7);
_longitude = int32_t(lon * 1e+7);
@@ -23,7 +27,8 @@ GeoCoord::GeoCoord(double lat, double lon, int32_t alt): _altitude(alt) {
}
// Initialize all the coordinate systems
void GeoCoord::setCoords() {
void GeoCoord::setCoords()
{
double lat = _latitude * 1e-7;
double lon = _longitude * 1e-7;
GeoCoord::latLongToDMS(lat, lon, _dms);
@@ -34,9 +39,10 @@ void GeoCoord::setCoords() {
_dirty = false;
}
void GeoCoord::updateCoords(int32_t lat, int32_t lon, int32_t alt) {
void GeoCoord::updateCoords(int32_t lat, int32_t lon, int32_t alt)
{
// If marked dirty or new coordiantes
if(_dirty || _latitude != lat || _longitude != lon || _altitude != alt) {
if (_dirty || _latitude != lat || _longitude != lon || _altitude != alt) {
_dirty = true;
_latitude = lat;
_longitude = lon;
@@ -45,25 +51,26 @@ void GeoCoord::updateCoords(int32_t lat, int32_t lon, int32_t alt) {
}
}
void GeoCoord::updateCoords(const double lat, const double lon, const int32_t alt) {
void GeoCoord::updateCoords(const double lat, const double lon, const int32_t alt)
{
int32_t iLat = lat * 1e+7;
int32_t iLon = lon * 1e+7;
// If marked dirty or new coordiantes
if(_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
if (_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
_dirty = true;
_latitude = iLat;
_longitude = iLon;
_altitude = alt;
setCoords();
}
}
void GeoCoord::updateCoords(const float lat, const float lon, const int32_t alt) {
void GeoCoord::updateCoords(const float lat, const float lon, const int32_t alt)
{
int32_t iLat = lat * 1e+7;
int32_t iLon = lon * 1e+7;
// If marked dirty or new coordiantes
if(_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
if (_dirty || _latitude != iLat || _longitude != iLon || _altitude != alt) {
_dirty = true;
_latitude = iLat;
_longitude = iLon;
@@ -73,12 +80,15 @@ void GeoCoord::updateCoords(const float lat, const float lon, const int32_t alt)
}
/**
* Converts lat long coordinates from decimal degrees to degrees minutes seconds format.
* Converts lat long coordinates from decimal degrees to degrees minutes seconds format.
* DD°MM'SS"C DDD°MM'SS"C
*/
void GeoCoord::latLongToDMS(const double lat, const double lon, DMS &dms) {
if (lat < 0) dms.latCP = 'S';
else dms.latCP = 'N';
void GeoCoord::latLongToDMS(const double lat, const double lon, DMS &dms)
{
if (lat < 0)
dms.latCP = 'S';
else
dms.latCP = 'N';
double latDeg = lat;
@@ -90,8 +100,10 @@ void GeoCoord::latLongToDMS(const double lat, const double lon, DMS &dms) {
dms.latMin = floor(latMin);
dms.latSec = (latMin - dms.latMin) * 60;
if (lon < 0) dms.lonCP = 'W';
else dms.lonCP = 'E';
if (lon < 0)
dms.lonCP = 'W';
else
dms.lonCP = 'E';
double lonDeg = lon;
@@ -108,52 +120,64 @@ void GeoCoord::latLongToDMS(const double lat, const double lon, DMS &dms) {
* Converts lat long coordinates to UTM.
* based on this: https://github.com/walvok/LatLonToUTM/blob/master/latlon_utm.ino
*/
void GeoCoord::latLongToUTM(const double lat, const double lon, UTM &utm) {
void GeoCoord::latLongToUTM(const double lat, const double lon, UTM &utm)
{
const std::string latBands = "CDEFGHJKLMNPQRSTUVWXX";
utm.zone = int((lon + 180)/6 + 1);
utm.band = latBands[int(lat/8 + 10)];
double a = 6378137; // WGS84 - equatorial radius
double k0 = 0.9996; // UTM point scale on the central meridian
double eccSquared = 0.00669438; // eccentricity squared
double lonTemp = (lon + 180) - int((lon + 180)/360) * 360 - 180; //Make sure the longitude is between -180.00 .. 179.9
utm.zone = int((lon + 180) / 6 + 1);
utm.band = latBands[int(lat / 8 + 10)];
double a = 6378137; // WGS84 - equatorial radius
double k0 = 0.9996; // UTM point scale on the central meridian
double eccSquared = 0.00669438; // eccentricity squared
double lonTemp = (lon + 180) - int((lon + 180) / 360) * 360 - 180; // Make sure the longitude is between -180.00 .. 179.9
double latRad = toRadians(lat);
double lonRad = toRadians(lonTemp);
// Special Zones for Norway and Svalbard
if( lat >= 56.0 && lat < 64.0 && lonTemp >= 3.0 && lonTemp < 12.0 ) // Norway
if (lat >= 56.0 && lat < 64.0 && lonTemp >= 3.0 && lonTemp < 12.0) // Norway
utm.zone = 32;
if( lat >= 72.0 && lat < 84.0 ) { // Svalbard
if ( lonTemp >= 0.0 && lonTemp < 9.0 ) utm.zone = 31;
else if( lonTemp >= 9.0 && lonTemp < 21.0 ) utm.zone = 33;
else if( lonTemp >= 21.0 && lonTemp < 33.0 ) utm.zone = 35;
else if( lonTemp >= 33.0 && lonTemp < 42.0 ) utm.zone = 37;
if (lat >= 72.0 && lat < 84.0) { // Svalbard
if (lonTemp >= 0.0 && lonTemp < 9.0)
utm.zone = 31;
else if (lonTemp >= 9.0 && lonTemp < 21.0)
utm.zone = 33;
else if (lonTemp >= 21.0 && lonTemp < 33.0)
utm.zone = 35;
else if (lonTemp >= 33.0 && lonTemp < 42.0)
utm.zone = 37;
}
double lonOrigin = (utm.zone - 1)*6 - 180 + 3; // puts origin in middle of zone
double lonOrigin = (utm.zone - 1) * 6 - 180 + 3; // puts origin in middle of zone
double lonOriginRad = toRadians(lonOrigin);
double eccPrimeSquared = (eccSquared)/(1 - eccSquared);
double N = a/sqrt(1 - eccSquared*sin(latRad)*sin(latRad));
double T = tan(latRad)*tan(latRad);
double C = eccPrimeSquared*cos(latRad)*cos(latRad);
double A = cos(latRad)*(lonRad - lonOriginRad);
double M = a*((1 - eccSquared/4 - 3*eccSquared*eccSquared/64 - 5*eccSquared*eccSquared*eccSquared/256)*latRad
- (3*eccSquared/8 + 3*eccSquared*eccSquared/32 + 45*eccSquared*eccSquared*eccSquared/1024)*sin(2*latRad)
+ (15*eccSquared*eccSquared/256 + 45*eccSquared*eccSquared*eccSquared/1024)*sin(4*latRad)
- (35*eccSquared*eccSquared*eccSquared/3072)*sin(6*latRad));
utm.easting = (double)(k0*N*(A+(1-T+C)*pow(A, 3)/6 + (5-18*T+T*T+72*C-58*eccPrimeSquared)*A*A*A*A*A/120)
+ 500000.0);
utm.northing = (double)(k0*(M+N*tan(latRad)*(A*A/2+(5-T+9*C+4*C*C)*A*A*A*A/24
+ (61-58*T+T*T+600*C-330*eccPrimeSquared)*A*A*A*A*A*A/720)));
if(lat < 0)
utm.northing += 10000000.0; //10000000 meter offset for southern hemisphere
double eccPrimeSquared = (eccSquared) / (1 - eccSquared);
double N = a / sqrt(1 - eccSquared * sin(latRad) * sin(latRad));
double T = tan(latRad) * tan(latRad);
double C = eccPrimeSquared * cos(latRad) * cos(latRad);
double A = cos(latRad) * (lonRad - lonOriginRad);
double M =
a * ((1 - eccSquared / 4 - 3 * eccSquared * eccSquared / 64 - 5 * eccSquared * eccSquared * eccSquared / 256) * latRad -
(3 * eccSquared / 8 + 3 * eccSquared * eccSquared / 32 + 45 * eccSquared * eccSquared * eccSquared / 1024) *
sin(2 * latRad) +
(15 * eccSquared * eccSquared / 256 + 45 * eccSquared * eccSquared * eccSquared / 1024) * sin(4 * latRad) -
(35 * eccSquared * eccSquared * eccSquared / 3072) * sin(6 * latRad));
utm.easting = (double)(k0 * N *
(A + (1 - T + C) * pow(A, 3) / 6 +
(5 - 18 * T + T * T + 72 * C - 58 * eccPrimeSquared) * A * A * A * A * A / 120) +
500000.0);
utm.northing =
(double)(k0 * (M + N * tan(latRad) *
(A * A / 2 + (5 - T + 9 * C + 4 * C * C) * A * A * A * A / 24 +
(61 - 58 * T + T * T + 600 * C - 330 * eccPrimeSquared) * A * A * A * A * A * A / 720)));
if (lat < 0)
utm.northing += 10000000.0; // 10000000 meter offset for southern hemisphere
}
// Converts lat long coordinates to an MGRS.
void GeoCoord::latLongToMGRS(const double lat, const double lon, MGRS &mgrs) {
const std::string e100kLetters[3] = { "ABCDEFGH", "JKLMNPQR", "STUVWXYZ" };
const std::string n100kLetters[2] = { "ABCDEFGHJKLMNPQRSTUV", "FGHJKLMNPQRSTUVABCDE" };
void GeoCoord::latLongToMGRS(const double lat, const double lon, MGRS &mgrs)
{
const std::string e100kLetters[3] = {"ABCDEFGH", "JKLMNPQR", "STUVWXYZ"};
const std::string n100kLetters[2] = {"ABCDEFGHJKLMNPQRSTUV", "FGHJKLMNPQRSTUVABCDE"};
UTM utm;
latLongToUTM(lat, lon, utm);
mgrs.zone = utm.zone;
@@ -161,7 +185,7 @@ void GeoCoord::latLongToMGRS(const double lat, const double lon, MGRS &mgrs) {
double col = floor(utm.easting / 100000);
mgrs.east100k = e100kLetters[(mgrs.zone - 1) % 3][col - 1];
double row = (int32_t)floor(utm.northing / 100000.0) % 20;
mgrs.north100k = n100kLetters[(mgrs.zone-1)%2][row];
mgrs.north100k = n100kLetters[(mgrs.zone - 1) % 2][row];
mgrs.easting = (int32_t)utm.easting % 100000;
mgrs.northing = (int32_t)utm.northing % 100000;
}
@@ -170,52 +194,54 @@ void GeoCoord::latLongToMGRS(const double lat, const double lon, MGRS &mgrs) {
* Converts lat long coordinates to Ordnance Survey Grid Reference (UK National Grid Ref).
* Based on: https://www.movable-type.co.uk/scripts/latlong-os-gridref.html
*/
void GeoCoord::latLongToOSGR(const double lat, const double lon, OSGR &osgr) {
void GeoCoord::latLongToOSGR(const double lat, const double lon, OSGR &osgr)
{
const char letter[] = "ABCDEFGHJKLMNOPQRSTUVWXYZ"; // No 'I' in OSGR
double a = 6377563.396; // Airy 1830 semi-major axis
double b = 6356256.909; // Airy 1830 semi-minor axis
double f0 = 0.9996012717; // National Grid point scale factor on the central meridian
double phi0 = toRadians(49);
double a = 6377563.396; // Airy 1830 semi-major axis
double b = 6356256.909; // Airy 1830 semi-minor axis
double f0 = 0.9996012717; // National Grid point scale factor on the central meridian
double phi0 = toRadians(49);
double lambda0 = toRadians(-2);
double n0 = -100000;
double e0 = 400000;
double e2 = 1 - (b*b)/(a*a); // eccentricity squared
double n = (a - b)/(a + b);
double e2 = 1 - (b * b) / (a * a); // eccentricity squared
double n = (a - b) / (a + b);
double osgb_Latitude;
double osgb_Longitude;
convertWGS84ToOSGB36(lat, lon, osgb_Latitude, osgb_Longitude);
double phi = osgb_Latitude; // already in radians
double phi = osgb_Latitude; // already in radians
double lambda = osgb_Longitude; // already in radians
double v = a * f0 / sqrt(1 - e2 * sin(phi) * sin(phi));
double rho = a * f0 * (1 - e2) / pow(1 - e2 * sin(phi) * sin(phi), 1.5);
double eta2 = v / rho - 1;
double mA = (1 + n + (5/4)*n*n + (5/4)*n*n*n) * (phi - phi0);
double mB = (3*n + 3*n*n + (21/8)*n*n*n) * sin(phi - phi0) * cos(phi + phi0);
double mA = (1 + n + (5 / 4) * n * n + (5 / 4) * n * n * n) * (phi - phi0);
double mB = (3 * n + 3 * n * n + (21 / 8) * n * n * n) * sin(phi - phi0) * cos(phi + phi0);
// loss of precision in mC & mD due to floating point rounding can cause innaccuracy of northing by a few meters
double mC = (15/8*n*n + 15/8*n*n*n) * sin(2*(phi - phi0)) * cos(2*(phi + phi0));
double mD = (35/24)*n*n*n * sin(3*(phi - phi0)) * cos(3*(phi + phi0));
double m = b*f0*(mA - mB + mC - mD);
double mC = (15 / 8 * n * n + 15 / 8 * n * n * n) * sin(2 * (phi - phi0)) * cos(2 * (phi + phi0));
double mD = (35 / 24) * n * n * n * sin(3 * (phi - phi0)) * cos(3 * (phi + phi0));
double m = b * f0 * (mA - mB + mC - mD);
double cos3Phi = cos(phi)*cos(phi)*cos(phi);
double cos5Phi = cos3Phi*cos(phi)*cos(phi);
double tan2Phi = tan(phi)*tan(phi);
double tan4Phi = tan2Phi*tan2Phi;
double cos3Phi = cos(phi) * cos(phi) * cos(phi);
double cos5Phi = cos3Phi * cos(phi) * cos(phi);
double tan2Phi = tan(phi) * tan(phi);
double tan4Phi = tan2Phi * tan2Phi;
double I = m + n0;
double II = (v/2)*sin(phi)*cos(phi);
double III = (v/24)*sin(phi)*cos3Phi*(5 - tan2Phi + 9*eta2);
double IIIA = (v/720)*sin(phi)*cos5Phi*(61 - 58*tan2Phi + tan4Phi);
double IV = v*cos(phi);
double V = (v/6)*cos3Phi*(v/rho - tan2Phi);
double VI = (v/120)*cos5Phi*(5 - 18*tan2Phi + tan4Phi + 14*eta2 - 58*tan2Phi*eta2);
double II = (v / 2) * sin(phi) * cos(phi);
double III = (v / 24) * sin(phi) * cos3Phi * (5 - tan2Phi + 9 * eta2);
double IIIA = (v / 720) * sin(phi) * cos5Phi * (61 - 58 * tan2Phi + tan4Phi);
double IV = v * cos(phi);
double V = (v / 6) * cos3Phi * (v / rho - tan2Phi);
double VI = (v / 120) * cos5Phi * (5 - 18 * tan2Phi + tan4Phi + 14 * eta2 - 58 * tan2Phi * eta2);
double deltaLambda = lambda - lambda0;
double deltaLambda2 = deltaLambda*deltaLambda;
double northing = I + II*deltaLambda2 + III*deltaLambda2*deltaLambda2 + IIIA*deltaLambda2*deltaLambda2*deltaLambda2;
double easting = e0 + IV*deltaLambda + V*deltaLambda2*deltaLambda + VI*deltaLambda2*deltaLambda2*deltaLambda;
double deltaLambda2 = deltaLambda * deltaLambda;
double northing =
I + II * deltaLambda2 + III * deltaLambda2 * deltaLambda2 + IIIA * deltaLambda2 * deltaLambda2 * deltaLambda2;
double easting = e0 + IV * deltaLambda + V * deltaLambda2 * deltaLambda + VI * deltaLambda2 * deltaLambda2 * deltaLambda;
if (easting < 0 || easting > 700000 || northing < 0 || northing > 1300000) // Check if out of boundaries
osgr = { 'I', 'I', 0, 0 };
osgr = {'I', 'I', 0, 0};
else {
uint32_t e100k = floor(easting / 100000);
uint32_t n100k = floor(northing / 100000);
@@ -232,7 +258,8 @@ void GeoCoord::latLongToOSGR(const double lat, const double lon, OSGR &osgr) {
* Converts lat long coordinates to Open Location Code.
* Based on: https://github.com/google/open-location-code/blob/main/c/src/olc.c
*/
void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc) {
void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc)
{
char tempCode[] = "1234567890abc";
const char kAlphabet[] = "23456789CFGHJMPQRVWX";
double latitude;
@@ -258,7 +285,7 @@ void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc) {
lat_val += latitude * 2.5e7;
lng_val += longitude * 8.192e6;
size_t pos = OLC_CODE_LEN;
if (OLC_CODE_LEN > 10) { // Compute grid part of code if needed
for (size_t i = 0; i < 5; i++) {
int lat_digit = lat_val % 5;
@@ -272,9 +299,9 @@ void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc) {
lat_val /= pow(5, 5);
lng_val /= pow(4, 5);
}
pos = 10;
for (size_t i = 0; i < 5; i++) { // Compute pair section of code
int lat_ndx = lat_val % 20;
int lng_ndx = lng_val % 20;
@@ -286,7 +313,7 @@ void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc) {
if (i == 0)
tempCode[pos--] = '+';
}
if (OLC_CODE_LEN < 9) { // Add padding if needed
for (size_t i = OLC_CODE_LEN; i < 9; i++)
tempCode[i] = '0';
@@ -300,50 +327,52 @@ void GeoCoord::latLongToOLC(double lat, double lon, OLC &olc) {
for (size_t i = 0; i < char_count; i++) {
olc.code[i] = tempCode[i];
}
olc.code[char_count] = '\0';
olc.code[char_count] = '\0';
}
// Converts the coordinate in WGS84 datum to the OSGB36 datum.
void GeoCoord::convertWGS84ToOSGB36(const double lat, const double lon, double &osgb_Latitude, double &osgb_Longitude) {
void GeoCoord::convertWGS84ToOSGB36(const double lat, const double lon, double &osgb_Latitude, double &osgb_Longitude)
{
// Convert lat long to cartesian
double phi = toRadians(lat);
double lambda = toRadians(lon);
double h = 0.0; // No OSTN height data used, some loss of accuracy (up to 5m)
double wgsA = 6378137; // WGS84 datum semi major axis
double h = 0.0; // No OSTN height data used, some loss of accuracy (up to 5m)
double wgsA = 6378137; // WGS84 datum semi major axis
double wgsF = 1 / 298.257223563; // WGS84 datum flattening
double ecc = 2*wgsF - wgsF*wgsF;
double ecc = 2 * wgsF - wgsF * wgsF;
double vee = wgsA / sqrt(1 - ecc * pow(sin(phi), 2));
double wgsX = (vee + h) * cos(phi) * cos(lambda);
double wgsY = (vee + h) * cos(phi) * sin(lambda);
double wgsZ = ((1 - ecc) * vee + h) * sin(phi);
// 7-parameter Helmert transform
double tx = -446.448; // x shift in meters
double ty = 125.157; // y shift in meters
double tz = -542.060; // z shift in meters
double s = 20.4894/1e6 + 1; // scale normalized parts per million to (s + 1)
double rx = toRadians(-0.1502/3600); // x rotation normalize arcseconds to radians
double ry = toRadians(-0.2470/3600); // y rotation normalize arcseconds to radians
double rz = toRadians(-0.8421/3600); // z rotation normalize arcseconds to radians
double osgbX = tx + wgsX*s - wgsY*rz + wgsZ*ry;
double osgbY = ty + wgsX*rz + wgsY*s - wgsZ*rx;
double osgbZ = tz - wgsX*ry + wgsY*rx + wgsZ*s;
double tx = -446.448; // x shift in meters
double ty = 125.157; // y shift in meters
double tz = -542.060; // z shift in meters
double s = 20.4894 / 1e6 + 1; // scale normalized parts per million to (s + 1)
double rx = toRadians(-0.1502 / 3600); // x rotation normalize arcseconds to radians
double ry = toRadians(-0.2470 / 3600); // y rotation normalize arcseconds to radians
double rz = toRadians(-0.8421 / 3600); // z rotation normalize arcseconds to radians
double osgbX = tx + wgsX * s - wgsY * rz + wgsZ * ry;
double osgbY = ty + wgsX * rz + wgsY * s - wgsZ * rx;
double osgbZ = tz - wgsX * ry + wgsY * rx + wgsZ * s;
// Convert cartesian to lat long
double airyA = 6377563.396; // Airy1830 datum semi major axis
double airyB = 6356256.909; // Airy1830 datum semi minor axis
double airyF = 1/ 299.3249646; // Airy1830 datum flattening
double airyEcc = 2*airyF - airyF*airyF;
double airyA = 6377563.396; // Airy1830 datum semi major axis
double airyB = 6356256.909; // Airy1830 datum semi minor axis
double airyF = 1 / 299.3249646; // Airy1830 datum flattening
double airyEcc = 2 * airyF - airyF * airyF;
double airyEcc2 = airyEcc / (1 - airyEcc);
double p = sqrt(osgbX*osgbX + osgbY*osgbY);
double R = sqrt(p*p + osgbZ*osgbZ);
double tanBeta = (airyB*osgbZ) / (airyA*p) * (1 + airyEcc2*airyB/R);
double sinBeta = tanBeta / sqrt(1 + tanBeta*tanBeta);
double p = sqrt(osgbX * osgbX + osgbY * osgbY);
double R = sqrt(p * p + osgbZ * osgbZ);
double tanBeta = (airyB * osgbZ) / (airyA * p) * (1 + airyEcc2 * airyB / R);
double sinBeta = tanBeta / sqrt(1 + tanBeta * tanBeta);
double cosBeta = sinBeta / tanBeta;
osgb_Latitude = atan2(osgbZ + airyEcc2*airyB*sinBeta*sinBeta*sinBeta, p - airyEcc*airyA*cosBeta*cosBeta*cosBeta); // leave in radians
osgb_Longitude = atan2(osgbY, osgbX); // leave in radians
//osgb height = p*cos(osgb.latitude) + osgbZ*sin(osgb.latitude) -
//(airyA*airyA/(airyA / sqrt(1 - airyEcc*sin(osgb.latitude)*sin(osgb.latitude)))); // Not used, no OSTN data
osgb_Latitude = atan2(osgbZ + airyEcc2 * airyB * sinBeta * sinBeta * sinBeta,
p - airyEcc * airyA * cosBeta * cosBeta * cosBeta); // leave in radians
osgb_Longitude = atan2(osgbY, osgbX); // leave in radians
// osgb height = p*cos(osgb.latitude) + osgbZ*sin(osgb.latitude) -
//(airyA*airyA/(airyA / sqrt(1 - airyEcc*sin(osgb.latitude)*sin(osgb.latitude)))); // Not used, no OSTN data
}
/// Ported from my old java code, returns distance in meters along the globe
@@ -397,12 +426,13 @@ float GeoCoord::bearing(double lat1, double lon1, double lat2, double lon2)
* @brief Convert from meters to range in radians on a great circle
* @param range_meters
* The range in meters
* @return range in radians on a great circle
* @return range in radians on a great circle
*/
float GeoCoord::rangeMetersToRadians(double range_meters) {
float GeoCoord::rangeMetersToRadians(double range_meters)
{
// 1 nm is 1852 meters
double distance_nm = range_meters * 1852;
return (PI / (180 * 60)) *distance_nm;
return (PI / (180 * 60)) * distance_nm;
}
/**
@@ -410,22 +440,27 @@ float GeoCoord::rangeMetersToRadians(double range_meters) {
* @brief Convert from radians to range in meters on a great circle
* @param range_radians
* The range in radians
* @return Range in meters on a great circle
* @return Range in meters on a great circle
*/
float GeoCoord::rangeRadiansToMeters(double range_radians) {
float GeoCoord::rangeRadiansToMeters(double range_radians)
{
double distance_nm = ((180 * 60) / PI) * range_radians;
// 1 meter is 0.000539957 nm
return distance_nm * 0.000539957;
}
// Find distance from point to passed in point
int32_t GeoCoord::distanceTo(const GeoCoord& pointB) {
return latLongToMeter(this->getLatitude() * 1e-7, this->getLongitude() * 1e-7, pointB.getLatitude() * 1e-7, pointB.getLongitude() * 1e-7);
int32_t GeoCoord::distanceTo(const GeoCoord &pointB)
{
return latLongToMeter(this->getLatitude() * 1e-7, this->getLongitude() * 1e-7, pointB.getLatitude() * 1e-7,
pointB.getLongitude() * 1e-7);
}
// Find bearing from point to passed in point
int32_t GeoCoord::bearingTo(const GeoCoord& pointB) {
return bearing(this->getLatitude() * 1e-7, this->getLongitude() * 1e-7, pointB.getLatitude() * 1e-7, pointB.getLongitude() * 1e-7);
int32_t GeoCoord::bearingTo(const GeoCoord &pointB)
{
return bearing(this->getLatitude() * 1e-7, this->getLongitude() * 1e-7, pointB.getLatitude() * 1e-7,
pointB.getLongitude() * 1e-7);
}
/**
@@ -436,8 +471,9 @@ int32_t GeoCoord::bearingTo(const GeoCoord& pointB) {
* @param range_meters
* range in meters
* @return GeoCoord object of point at bearing and range from initial point
*/
std::shared_ptr<GeoCoord> GeoCoord::pointAtDistance(double bearing, double range_meters) {
*/
std::shared_ptr<GeoCoord> GeoCoord::pointAtDistance(double bearing, double range_meters)
{
double range_radians = rangeMetersToRadians(range_meters);
double lat1 = this->getLatitude() * 1e-7;
double lon1 = this->getLongitude() * 1e-7;
@@ -446,5 +482,4 @@ std::shared_ptr<GeoCoord> GeoCoord::pointAtDistance(double bearing, double range
double lon = fmod(lon1 - dlon + PI, 2 * PI) - PI;
return std::make_shared<GeoCoord>(double(lat), double(lon), this->getAltitude());
}

168
src/gps/GeoCoord.h
View File

@@ -1,26 +1,27 @@
#pragma once
#include <algorithm>
#include <string>
#include <cstring>
#include <cstdint>
#include <cstring>
#include <math.h>
#include <stdint.h>
#include <stdexcept>
#include <memory>
#include <stdexcept>
#include <stdint.h>
#include <string>
#define PI 3.1415926535897932384626433832795
#define OLC_CODE_LEN 11
// Helper functions
// Raises a number to an exponent, handling negative exponents.
static inline double pow_neg(double base, double exponent) {
if (exponent == 0) {
return 1;
} else if (exponent > 0) {
return pow(base, exponent);
}
return 1 / pow(base, -exponent);
static inline double pow_neg(double base, double exponent)
{
if (exponent == 0) {
return 1;
} else if (exponent > 0) {
return pow(base, exponent);
}
return 1 / pow(base, -exponent);
}
static inline double toRadians(double deg)
@@ -35,8 +36,7 @@ static inline double toDegrees(double r)
// GeoCoord structs/classes
// A struct to hold the data for a DMS coordinate.
struct DMS
{
struct DMS {
uint8_t latDeg;
uint8_t latMin;
uint32_t latSec;
@@ -48,8 +48,7 @@ struct DMS
};
// A struct to hold the data for a UTM coordinate, this is also used when creating an MGRS coordinate.
struct UTM
{
struct UTM {
uint8_t zone;
char band;
uint32_t easting;
@@ -57,8 +56,7 @@ struct UTM
};
// A struct to hold the data for a MGRS coordinate.
struct MGRS
{
struct MGRS {
uint8_t zone;
char band;
char east100k;
@@ -80,85 +78,85 @@ struct OLC {
char code[OLC_CODE_LEN + 1]; // +1 for null termination
};
class GeoCoord {
private:
int32_t _latitude = 0;
int32_t _longitude = 0;
int32_t _altitude = 0;
class GeoCoord
{
private:
int32_t _latitude = 0;
int32_t _longitude = 0;
int32_t _altitude = 0;
DMS _dms = {};
UTM _utm = {};
MGRS _mgrs = {};
OSGR _osgr = {};
OLC _olc = {};
DMS _dms = {};
UTM _utm = {};
MGRS _mgrs = {};
OSGR _osgr = {};
OLC _olc = {};
bool _dirty = true;
bool _dirty = true;
void setCoords();
void setCoords();
public:
GeoCoord();
GeoCoord(int32_t lat, int32_t lon, int32_t alt);
GeoCoord(double lat, double lon, int32_t alt);
GeoCoord(float lat, float lon, int32_t alt);
public:
GeoCoord();
GeoCoord(int32_t lat, int32_t lon, int32_t alt);
GeoCoord(double lat, double lon, int32_t alt);
GeoCoord(float lat, float lon, int32_t alt);
void updateCoords(const int32_t lat, const int32_t lon, const int32_t alt);
void updateCoords(const double lat, const double lon, const int32_t alt);
void updateCoords(const float lat, const float lon, const int32_t alt);
void updateCoords(const int32_t lat, const int32_t lon, const int32_t alt);
void updateCoords(const double lat, const double lon, const int32_t alt);
void updateCoords(const float lat, const float lon, const int32_t alt);
// Conversions
static void latLongToDMS(const double lat, const double lon, DMS &dms);
static void latLongToUTM(const double lat, const double lon, UTM &utm);
static void latLongToMGRS(const double lat, const double lon, MGRS &mgrs);
static void latLongToOSGR(const double lat, const double lon, OSGR &osgr);
static void latLongToOLC(const double lat, const double lon, OLC &olc);
static void convertWGS84ToOSGB36(const double lat, const double lon, double &osgb_Latitude, double &osgb_Longitude);
static float latLongToMeter(double lat_a, double lng_a, double lat_b, double lng_b);
static float bearing(double lat1, double lon1, double lat2, double lon2);
static float rangeRadiansToMeters(double range_radians);
static float rangeMetersToRadians(double range_meters);
// Conversions
static void latLongToDMS(const double lat, const double lon, DMS &dms);
static void latLongToUTM(const double lat, const double lon, UTM &utm);
static void latLongToMGRS(const double lat, const double lon, MGRS &mgrs);
static void latLongToOSGR(const double lat, const double lon, OSGR &osgr);
static void latLongToOLC(const double lat, const double lon, OLC &olc);
static void convertWGS84ToOSGB36(const double lat, const double lon, double &osgb_Latitude, double &osgb_Longitude);
static float latLongToMeter(double lat_a, double lng_a, double lat_b, double lng_b);
static float bearing(double lat1, double lon1, double lat2, double lon2);
static float rangeRadiansToMeters(double range_radians);
static float rangeMetersToRadians(double range_meters);
// Point to point conversions
int32_t distanceTo(const GeoCoord& pointB);
int32_t bearingTo(const GeoCoord& pointB);
std::shared_ptr<GeoCoord> pointAtDistance(double bearing, double range);
// Point to point conversions
int32_t distanceTo(const GeoCoord &pointB);
int32_t bearingTo(const GeoCoord &pointB);
std::shared_ptr<GeoCoord> pointAtDistance(double bearing, double range);
// Lat lon alt getters
int32_t getLatitude() const { return _latitude; }
int32_t getLongitude() const { return _longitude; }
int32_t getAltitude() const { return _altitude; }
// Lat lon alt getters
int32_t getLatitude() const { return _latitude; }
int32_t getLongitude() const { return _longitude; }
int32_t getAltitude() const { return _altitude; }
// DMS getters
uint8_t getDMSLatDeg() const { return _dms.latDeg; }
uint8_t getDMSLatMin() const { return _dms.latMin; }
uint32_t getDMSLatSec() const { return _dms.latSec; }
char getDMSLatCP() const { return _dms.latCP; }
uint8_t getDMSLonDeg() const { return _dms.lonDeg; }
uint8_t getDMSLonMin() const { return _dms.lonMin; }
uint32_t getDMSLonSec() const { return _dms.lonSec; }
char getDMSLonCP() const { return _dms.lonCP; }
// DMS getters
uint8_t getDMSLatDeg() const { return _dms.latDeg; }
uint8_t getDMSLatMin() const { return _dms.latMin; }
uint32_t getDMSLatSec() const { return _dms.latSec; }
char getDMSLatCP() const { return _dms.latCP; }
uint8_t getDMSLonDeg() const { return _dms.lonDeg; }
uint8_t getDMSLonMin() const { return _dms.lonMin; }
uint32_t getDMSLonSec() const { return _dms.lonSec; }
char getDMSLonCP() const { return _dms.lonCP; }
// UTM getters
uint8_t getUTMZone() const { return _utm.zone; }
char getUTMBand() const { return _utm.band; }
uint32_t getUTMEasting() const { return _utm.easting; }
uint32_t getUTMNorthing() const { return _utm.northing; }
// UTM getters
uint8_t getUTMZone() const { return _utm.zone; }
char getUTMBand() const { return _utm.band; }
uint32_t getUTMEasting() const { return _utm.easting; }
uint32_t getUTMNorthing() const { return _utm.northing; }
// MGRS getters
uint8_t getMGRSZone() const { return _mgrs.zone; }
char getMGRSBand() const { return _mgrs.band; }
char getMGRSEast100k() const { return _mgrs.east100k; }
char getMGRSNorth100k() const { return _mgrs.north100k; }
uint32_t getMGRSEasting() const { return _mgrs.easting; }
uint32_t getMGRSNorthing() const { return _mgrs.northing; }
// MGRS getters
uint8_t getMGRSZone() const { return _mgrs.zone; }
char getMGRSBand() const { return _mgrs.band; }
char getMGRSEast100k() const { return _mgrs.east100k; }
char getMGRSNorth100k() const { return _mgrs.north100k; }
uint32_t getMGRSEasting() const { return _mgrs.easting; }
uint32_t getMGRSNorthing() const { return _mgrs.northing; }
// OSGR getters
char getOSGRE100k() const { return _osgr.e100k; }
char getOSGRN100k() const { return _osgr.n100k; }
uint32_t getOSGREasting() const { return _osgr.easting; }
uint32_t getOSGRNorthing() const { return _osgr.northing; }
// OSGR getters
char getOSGRE100k() const { return _osgr.e100k; }
char getOSGRN100k() const { return _osgr.n100k; }
uint32_t getOSGREasting() const { return _osgr.easting; }
uint32_t getOSGRNorthing() const { return _osgr.northing; }
// OLC getter
void getOLCCode(char* code) { strncpy(code, _olc.code, OLC_CODE_LEN + 1); } // +1 for null termination
// OLC getter
void getOLCCode(char *code) { strncpy(code, _olc.code, OLC_CODE_LEN + 1); } // +1 for null termination
};

74
src/gps/NMEAGPS.cpp
View File

@@ -1,12 +1,12 @@
#include "configuration.h"
#include "NMEAGPS.h"
#include "RTC.h"
#include "configuration.h"
#include <TinyGPS++.h>
// GPS solutions older than this will be rejected - see TinyGPSDatum::age()
#define GPS_SOL_EXPIRY_MS 5000 // in millis. give 1 second time to combine different sentences. NMEA Frequency isn't higher anyway
#define NMEA_MSG_GXGSA "GNGSA" // GSA message (GPGSA, GNGSA etc)
#define GPS_SOL_EXPIRY_MS 5000 // in millis. give 1 second time to combine different sentences. NMEA Frequency isn't higher anyway
#define NMEA_MSG_GXGSA "GNGSA" // GSA message (GPGSA, GNGSA etc)
static int32_t toDegInt(RawDegrees d)
{
@@ -20,19 +20,18 @@ static int32_t toDegInt(RawDegrees d)
bool NMEAGPS::factoryReset()
{
#ifdef PIN_GPS_REINIT
//The L76K GNSS on the T-Echo requires the RESET pin to be pulled LOW
// The L76K GNSS on the T-Echo requires the RESET pin to be pulled LOW
digitalWrite(PIN_GPS_REINIT, 0);
pinMode(PIN_GPS_REINIT, OUTPUT);
delay(150); //The L76K datasheet calls for at least 100MS delay
delay(150); // The L76K datasheet calls for at least 100MS delay
digitalWrite(PIN_GPS_REINIT, 1);
#endif
#endif
// send the UBLOX Factory Reset Command regardless of detect state, something is very wrong, just assume it's UBLOX.
// Factory Reset
byte _message_reset[] = {0xB5, 0x62, 0x06, 0x09, 0x0D, 0x00, 0xFF,
0xFB, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0x00, 0x00, 0x17, 0x2B, 0x7E};
_serial_gps->write(_message_reset,sizeof(_message_reset));
byte _message_reset[] = {0xB5, 0x62, 0x06, 0x09, 0x0D, 0x00, 0xFF, 0xFB, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x17, 0x2B, 0x7E};
_serial_gps->write(_message_reset, sizeof(_message_reset));
delay(1000);
return true;
}
@@ -40,7 +39,7 @@ bool NMEAGPS::factoryReset()
bool NMEAGPS::setupGPS()
{
GPS::setupGPS();
#ifdef PIN_GPS_PPS
// pulse per second
// FIXME - move into shared GPS code
@@ -84,8 +83,9 @@ The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of s
t.tm_mon = d.month() - 1;
t.tm_year = d.year() - 1900;
t.tm_isdst = false;
if (t.tm_mon > -1){
LOG_DEBUG("NMEA GPS time %02d-%02d-%02d %02d:%02d:%02d\n", d.year(), d.month(), t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
if (t.tm_mon > -1) {
LOG_DEBUG("NMEA GPS time %02d-%02d-%02d %02d:%02d:%02d\n", d.year(), d.month(), t.tm_mday, t.tm_hour, t.tm_min,
t.tm_sec);
perhapsSetRTC(RTCQualityGPS, t);
return true;
} else
@@ -102,47 +102,44 @@ The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of s
*/
bool NMEAGPS::lookForLocation()
{
// By default, TinyGPS++ does not parse GPGSA lines, which give us
// By default, TinyGPS++ does not parse GPGSA lines, which give us
// the 2D/3D fixType (see NMEAGPS.h)
// At a minimum, use the fixQuality indicator in GPGGA (FIXME?)
fixQual = reader.fixQuality();
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
fixType = atoi(gsafixtype.value()); // will set to zero if no data
fixType = atoi(gsafixtype.value()); // will set to zero if no data
// LOG_DEBUG("FIX QUAL=%d, TYPE=%d\n", fixQual, fixType);
#endif
// check if GPS has an acceptable lock
if (! hasLock())
if (!hasLock())
return false;
#ifdef GPS_EXTRAVERBOSE
LOG_DEBUG("AGE: LOC=%d FIX=%d DATE=%d TIME=%d\n",
reader.location.age(),
LOG_DEBUG("AGE: LOC=%d FIX=%d DATE=%d TIME=%d\n", reader.location.age(),
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
gsafixtype.age(),
gsafixtype.age(),
#else
0,
0,
#endif
reader.date.age(), reader.time.age());
#endif // GPS_EXTRAVERBOSE
reader.date.age(), reader.time.age());
#endif // GPS_EXTRAVERBOSE
// check if a complete GPS solution set is available for reading
// tinyGPSDatum::age() also includes isValid() test
// FIXME
if (! ((reader.location.age() < GPS_SOL_EXPIRY_MS) &&
if (!((reader.location.age() < GPS_SOL_EXPIRY_MS) &&
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
(gsafixtype.age() < GPS_SOL_EXPIRY_MS) &&
(gsafixtype.age() < GPS_SOL_EXPIRY_MS) &&
#endif
(reader.time.age() < GPS_SOL_EXPIRY_MS) &&
(reader.date.age() < GPS_SOL_EXPIRY_MS)))
{
(reader.time.age() < GPS_SOL_EXPIRY_MS) && (reader.date.age() < GPS_SOL_EXPIRY_MS))) {
LOG_WARN("SOME data is TOO OLD: LOC %u, TIME %u, DATE %u\n", reader.location.age(), reader.time.age(), reader.date.age());
return false;
}
// Is this a new point or are we re-reading the previous one?
if (! reader.location.isUpdated())
if (!reader.location.isUpdated())
return false;
// We know the solution is fresh and valid, so just read the data
@@ -150,19 +147,19 @@ bool NMEAGPS::lookForLocation()
// Bail out EARLY to avoid overwriting previous good data (like #857)
if (toDegInt(loc.lat) > 900000000) {
#ifdef GPS_EXTRAVERBOSE
LOG_DEBUG("Bail out EARLY on LAT %i\n",toDegInt(loc.lat));
#ifdef GPS_EXTRAVERBOSE
LOG_DEBUG("Bail out EARLY on LAT %i\n", toDegInt(loc.lat));
#endif
return false;
}
if (toDegInt(loc.lng) > 1800000000) {
#ifdef GPS_EXTRAVERBOSE
LOG_DEBUG("Bail out EARLY on LNG %i\n",toDegInt(loc.lng));
#ifdef GPS_EXTRAVERBOSE
LOG_DEBUG("Bail out EARLY on LNG %i\n", toDegInt(loc.lng));
#endif
return false;
}
p.location_source = Position_LocSource_LOC_INTERNAL;
p.location_source = meshtastic_Position_LocSource_LOC_INTERNAL;
// Dilution of precision (an accuracy metric) is reported in 10^2 units, so we need to scale down when we use it
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
@@ -209,11 +206,11 @@ bool NMEAGPS::lookForLocation()
}
if (reader.course.isUpdated() && reader.course.isValid()) {
if (reader.course.value() < 36000) { // sanity check
p.ground_track = reader.course.value() * 1e3; // Scale the heading (in degrees * 10^-2) to match the expected degrees * 10^-5
if (reader.course.value() < 36000) { // sanity check
p.ground_track =
reader.course.value() * 1e3; // Scale the heading (in degrees * 10^-2) to match the expected degrees * 10^-5
} else {
LOG_WARN("BOGUS course.value() REJECTED: %d\n",
reader.course.value());
LOG_WARN("BOGUS course.value() REJECTED: %d\n", reader.course.value());
}
}
@@ -224,14 +221,13 @@ bool NMEAGPS::lookForLocation()
return true;
}
bool NMEAGPS::hasLock()
{
// Using GPGGA fix quality indicator
if (fixQual >= 1 && fixQual <= 5) {
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
// Use GPGSA fix type 2D/3D (better) if available
if (fixType == 3 || fixType == 0) // zero means "no data received"
if (fixType == 3 || fixType == 0) // zero means "no data received"
#endif
return true;
}

12
src/gps/NMEAGPS.h
View File

@@ -12,14 +12,14 @@
class NMEAGPS : public GPS
{
TinyGPSPlus reader;
uint8_t fixQual = 0; // fix quality from GPGGA
uint8_t fixQual = 0; // fix quality from GPGGA
#ifndef TINYGPS_OPTION_NO_CUSTOM_FIELDS
// (20210908) TinyGps++ can only read the GPGSA "FIX TYPE" field
// via optional feature "custom fields", currently disabled (bug #525)
TinyGPSCustom gsafixtype; // custom extract fix type from GPGSA
TinyGPSCustom gsapdop; // custom extract PDOP from GPGSA
uint8_t fixType = 0; // fix type from GPGSA
TinyGPSCustom gsafixtype; // custom extract fix type from GPGSA
TinyGPSCustom gsapdop; // custom extract PDOP from GPGSA
uint8_t fixType = 0; // fix type from GPGSA
#endif
public:
@@ -29,9 +29,9 @@ class NMEAGPS : public GPS
protected:
/** Subclasses should look for serial rx characters here and feed it to their GPS parser
*
*
* Return true if we received a valid message from the GPS
*/
*/
virtual bool whileIdle() override;
/**

52
src/gps/NMEAWPL.cpp
View File

@@ -16,17 +16,13 @@
* -------------------------------------------
*/
uint32_t printWPL(char *buf, size_t bufsz, const Position &pos, const char *name)
uint32_t printWPL(char *buf, size_t bufsz, const meshtastic_Position &pos, const char *name)
{
GeoCoord geoCoord(pos.latitude_i,pos.longitude_i,pos.altitude);
uint32_t len = snprintf(buf, bufsz, "$GNWPL,%02d%07.4f,%c,%03d%07.4f,%c,%s",
geoCoord.getDMSLatDeg(),
(abs(geoCoord.getLatitude()) - geoCoord.getDMSLatDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLatCP(),
geoCoord.getDMSLonDeg(),
(abs(geoCoord.getLongitude()) - geoCoord.getDMSLonDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLonCP(),
name);
GeoCoord geoCoord(pos.latitude_i, pos.longitude_i, pos.altitude);
uint32_t len = snprintf(buf, bufsz, "$GNWPL,%02d%07.4f,%c,%03d%07.4f,%c,%s", geoCoord.getDMSLatDeg(),
(abs(geoCoord.getLatitude()) - geoCoord.getDMSLatDeg() * 1e+7) * 6e-6, geoCoord.getDMSLatCP(),
geoCoord.getDMSLonDeg(), (abs(geoCoord.getLongitude()) - geoCoord.getDMSLonDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLonCP(), name);
uint32_t chk = 0;
for (uint32_t i = 1; i < len; i++) {
chk ^= buf[i];
@@ -51,35 +47,21 @@ uint32_t printWPL(char *buf, size_t bufsz, const Position &pos, const char *name
* 8 Horizontal Dilution of precision (meters)
* 9 Antenna Altitude above/below mean-sea-level (geoid) (in meters)
* 10 Units of antenna altitude, meters
* 11 Geoidal separation, the difference between the WGS-84 earth ellipsoid and mean-sea-level (geoid), "-" means mean-sea-level below ellipsoid
* 12 Units of geoidal separation, meters
* 13 Age of differential GPS data, time in seconds since last SC104 type 1 or 9 update, null field when DGPS is not used
* 14 Differential reference station ID, 0000-1023
* 15 Checksum
* 11 Geoidal separation, the difference between the WGS-84 earth ellipsoid and mean-sea-level (geoid), "-" means mean-sea-level
* below ellipsoid 12 Units of geoidal separation, meters 13 Age of differential GPS data, time in seconds since last SC104 type 1
* or 9 update, null field when DGPS is not used 14 Differential reference station ID, 0000-1023 15 Checksum
* -------------------------------------------
*/
uint32_t printGGA(char *buf, size_t bufsz, const Position &pos)
uint32_t printGGA(char *buf, size_t bufsz, const meshtastic_Position &pos)
{
GeoCoord geoCoord(pos.latitude_i,pos.longitude_i,pos.altitude);
uint32_t len = snprintf(buf, bufsz, "$GNGGA,%06u.%03u,%02d%07.4f,%c,%03d%07.4f,%c,%u,%02u,%04u,%04d,%c,%04d,%c,%d,%04d",
pos.time / 1000,
pos.time % 1000,
geoCoord.getDMSLatDeg(),
(abs(geoCoord.getLatitude()) - geoCoord.getDMSLatDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLatCP(),
geoCoord.getDMSLonDeg(),
(abs(geoCoord.getLongitude()) - geoCoord.getDMSLonDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLonCP(),
pos.fix_type,
pos.sats_in_view,
pos.HDOP,
geoCoord.getAltitude(),
'M',
pos.altitude_geoidal_separation,
'M',
0,
0);
GeoCoord geoCoord(pos.latitude_i, pos.longitude_i, pos.altitude);
uint32_t len =
snprintf(buf, bufsz, "$GNGGA,%06u.%03u,%02d%07.4f,%c,%03d%07.4f,%c,%u,%02u,%04u,%04d,%c,%04d,%c,%d,%04d", pos.time / 1000,
pos.time % 1000, geoCoord.getDMSLatDeg(), (abs(geoCoord.getLatitude()) - geoCoord.getDMSLatDeg() * 1e+7) * 6e-6,
geoCoord.getDMSLatCP(), geoCoord.getDMSLonDeg(),
(abs(geoCoord.getLongitude()) - geoCoord.getDMSLonDeg() * 1e+7) * 6e-6, geoCoord.getDMSLonCP(), pos.fix_type,
pos.sats_in_view, pos.HDOP, geoCoord.getAltitude(), 'M', pos.altitude_geoidal_separation, 'M', 0, 0);
uint32_t chk = 0;
for (uint32_t i = 1; i < len; i++) {

6
src/gps/NMEAWPL.h
View File

@@ -1,7 +1,7 @@
#pragma once
#include <Arduino.h>
#include "main.h"
#include <Arduino.h>
uint32_t printWPL(char *buf, size_t bufsz, const Position &pos, const char *name);
uint32_t printGGA(char *buf, size_t bufsz, const Position &pos);
uint32_t printWPL(char *buf, size_t bufsz, const meshtastic_Position &pos, const char *name);
uint32_t printGGA(char *buf, size_t bufsz, const meshtastic_Position &pos);

27
src/gps/RTC.cpp
View File

@@ -20,7 +20,7 @@ void readFromRTC()
{
struct timeval tv; /* btw settimeofday() is helpfull here too*/
#ifdef RV3028_RTC
if(rtc_found == RV3028_RTC) {
if (rtc_found == RV3028_RTC) {
uint32_t now = millis();
Melopero_RV3028 rtc;
rtc.initI2C();
@@ -41,7 +41,7 @@ void readFromRTC()
}
}
#elif defined(PCF8563_RTC)
if(rtc_found == PCF8563_RTC) {
if (rtc_found == PCF8563_RTC) {
uint32_t now = millis();
PCF8563_Class rtc;
#ifdef RTC_USE_WIRE1
@@ -66,7 +66,7 @@ void readFromRTC()
currentQuality = RTCQualityDevice;
}
}
#else
#else
if (!gettimeofday(&tv, NULL)) {
uint32_t now = millis();
LOG_DEBUG("Read RTC time as %ld\n", tv.tv_sec);
@@ -87,12 +87,11 @@ bool perhapsSetRTC(RTCQuality q, const struct timeval *tv)
currentQuality = q;
shouldSet = true;
LOG_DEBUG("Upgrading time to RTC %ld secs (quality %d)\n", tv->tv_sec, q);
} else if(q == RTCQualityGPS && (now - lastSetMsec) > (12 * 60 * 60 * 1000UL)) {
} else if (q == RTCQualityGPS && (now - lastSetMsec) > (12 * 60 * 60 * 1000UL)) {
// Every 12 hrs we will slam in a new GPS time, to correct for local RTC clock drift
shouldSet = true;
LOG_DEBUG("Reapplying external time to correct clock drift %ld secs\n", tv->tv_sec);
}
else
} else
shouldSet = false;
if (shouldSet) {
@@ -104,24 +103,26 @@ bool perhapsSetRTC(RTCQuality q, const struct timeval *tv)
// If this platform has a setable RTC, set it
#ifdef RV3028_RTC
if(rtc_found == RV3028_RTC) {
if (rtc_found == RV3028_RTC) {
Melopero_RV3028 rtc;
rtc.initI2C();
tm *t = localtime(&tv->tv_sec);
rtc.setTime(t->tm_year + 1900, t->tm_mon + 1, t->tm_wday, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
LOG_DEBUG("RV3028_RTC setTime %02d-%02d-%02d %02d:%02d:%02d %ld\n", t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, tv->tv_sec);
LOG_DEBUG("RV3028_RTC setTime %02d-%02d-%02d %02d:%02d:%02d %ld\n", t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec, tv->tv_sec);
}
#elif defined(PCF8563_RTC)
if(rtc_found == PCF8563_RTC) {
if (rtc_found == PCF8563_RTC) {
PCF8563_Class rtc;
#ifdef RTC_USE_WIRE1
rtc.begin(Wire1);
rtc.begin(Wire1);
#else
rtc.begin();
rtc.begin();
#endif
tm *t = localtime(&tv->tv_sec);
rtc.setDateTime(t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec);
LOG_DEBUG("PCF8563_RTC setDateTime %02d-%02d-%02d %02d:%02d:%02d %ld\n", t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, tv->tv_sec);
LOG_DEBUG("PCF8563_RTC setDateTime %02d-%02d-%02d %02d:%02d:%02d %ld\n", t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec, tv->tv_sec);
}
#elif defined(ARCH_ESP32)
settimeofday(tv, NULL);
@@ -160,7 +161,7 @@ bool perhapsSetRTC(RTCQuality q, struct tm &t)
uint32_t getTime()
{
return (((uint32_t) millis() - timeStartMsec) / 1000) + zeroOffsetSecs;
return (((uint32_t)millis() - timeStartMsec) / 1000) + zeroOffsetSecs;
}
uint32_t getValidTime(RTCQuality minQuality)