Gustavo Ramirez / GPS_G

ESTE PROGRAMA TOMA UNA CADENA DE GPS NEMEA Y CREA LA CADENA QUE EN GOOGLE MAPS SE ABRE EL MAPA INDICANDO LA GEOLOCALIZACION lA LIBRERIA GPS, FUE MODIFICADA EN LA ESTRUCUTURA DE DATOS, PARA RECONOCER LA VARIABLE (LOCK)DEL GPS QUE INDICA SI LOS DATOS SON ACEPTABLES EL PROGRAMA SE PRUEBA CON EL GPS VIRTUAL DE PROTEUS Y SE INYECTAN LOS DATOS A UNA FRDMKL25Z ATRAVES DE UN DONGLE QUE SE VINCULA DE FORMA LOGICA AL COMPIM DEL PROTEUS

Dependents:   GoogleMapa

Fork of GPS_G by joshema 216

/media/uploads/tony63/tareagsm.png

ESTE PROGRAMA TOMA UNA CADENA DE GPS NEMEA Y CREA LA CADENA QUE EN GOOGLE MAPS, SE ABRE EL MAPA INDICANDO LA GEOLOCALIZACION LA LIBRERIA GPS, FUE MODIFICADA EN LA ESTRUCUTURA DE DATOS, PARA RECONOCER LA VARIABLE (LOCK)DEL GPS QUE INDICA SI LOS DATOS SON ACEPTABLES. EL PROGRAMA SE PRUEBA CON EL GPS VIRTUAL DE PROTEUS Y SE INYECTAN LOS DATOS A UNA FRDMKL25Z ATRAVES DE UN DONGLE QUE SE VINCULA DE FORMA LÓGICA AL COMPIM DEL PROTEUS. LAS CONEXIONES LA MUESTRA LA FIGURA DE ARRIBA, SI SE DESEA INCORPORAR A UN RASTREADOR SATELITAL. EL LED VERDE SE ENCIENDE SOLO SI LOS DATOS SON ACEPTABLES, LAMENTABLEMENTE EL GPS DE PROTEUS NO MODIFICA LA CADENA, SI SE CONFIGURAN MENOS DE TRES SATÉLITES EN VISTA.

LA CADENA RESULTANTE AL ESQUEMA ES LA SIGUIENTE. EL CENTRO DEL ESTADIO ATANACIO GIRARDOT, EN LA CIUDAD DE MEDELLÍN - COLOMBIA.

http://maps.google.com/maps?q=6.256791,-75.590302

GPS.cpp@3:7f621626d7e9, 2016-11-18 (annotated)

Committer:
joshema216
Date:
Fri Nov 18 21:25:45 2016 +0000
Revision:
3:7f621626d7e9
Parent:
2:8d7c7165ffe2
Child:
4:f9c94f3ed061
Version 2.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 0:15611c7938a3 1 /* mbed EM-406 GPS Module Library
simon 0:15611c7938a3 2 * Copyright (c) 2008-2010, sford
simon 0:15611c7938a3 3 *
simon 0:15611c7938a3 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 0:15611c7938a3 5 * of this software and associated documentation files (the "Software"), to deal
simon 0:15611c7938a3 6 * in the Software without restriction, including without limitation the rights
simon 0:15611c7938a3 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 0:15611c7938a3 8 * copies of the Software, and to permit persons to whom the Software is
simon 0:15611c7938a3 9 * furnished to do so, subject to the following conditions:
simon 0:15611c7938a3 10 *
simon 0:15611c7938a3 11 * The above copyright notice and this permission notice shall be included in
simon 0:15611c7938a3 12 * all copies or substantial portions of the Software.
simon 0:15611c7938a3 13 *
simon 0:15611c7938a3 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 0:15611c7938a3 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 0:15611c7938a3 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 0:15611c7938a3 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 0:15611c7938a3 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 0:15611c7938a3 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 0:15611c7938a3 20 * THE SOFTWARE.
simon 0:15611c7938a3 21 */
simon 0:15611c7938a3 22
simon 0:15611c7938a3 23 #include "GPS.h"
simon 0:15611c7938a3 24
simon 0:15611c7938a3 25 GPS::GPS(PinName tx, PinName rx) : _gps(tx, rx) {
tony63 1:df8295aa2b2b 26 _gps.baud(9600);
simon 0:15611c7938a3 27 longitude = 0.0;
simon 0:15611c7938a3 28 latitude = 0.0;
simon 0:15611c7938a3 29 }
simon 0:15611c7938a3 30
simon 0:15611c7938a3 31 int GPS::sample() {
simon 0:15611c7938a3 32 float time;
simon 0:15611c7938a3 33 char ns, ew;
simon 0:15611c7938a3 34 int lock;
joshema216 3:7f621626d7e9 35 int degla;
joshema216 3:7f621626d7e9 36 float minla;
joshema216 3:7f621626d7e9 37 int deglo;
joshema216 3:7f621626d7e9 38 float minlo;
joshema216 3:7f621626d7e9 39
simon 0:15611c7938a3 40 while(1) {
simon 0:15611c7938a3 41 getline();
joshema216 3:7f621626d7e9 42 //$GPGGA,123519,4807.038,N,01131.000,E,1,08,0.9,545.4,M,46.9,M,,*47
simon 0:15611c7938a3 43 // Check if it is a GPGGA msg (matches both locked and non-locked msg)
simon 0:15611c7938a3 44 if(sscanf(msg, "GPGGA,%f,%f,%c,%f,%c,%d", &time, &latitude, &ns, &longitude, &ew, &lock) >= 1) {
tony63 2:8d7c7165ffe2 45 if(!lock) { //si lock es 1 hay lecturas ok
simon 0:15611c7938a3 46 longitude = 0.0;
simon 0:15611c7938a3 47 latitude = 0.0;
simon 0:15611c7938a3 48 return 0;
tony63 2:8d7c7165ffe2 49 }
joshema216 3:7f621626d7e9 50 else {
simon 0:15611c7938a3 51 if(ns == 'S') { latitude *= -1.0; }
simon 0:15611c7938a3 52 if(ew == 'W') { longitude *= -1.0; }
tony63 2:8d7c7165ffe2 53 latitude = (latitude / 100.0f);
joshema216 3:7f621626d7e9 54 degla = (int)latitude;
joshema216 3:7f621626d7e9 55 minla = latitude - (degla);
joshema216 3:7f621626d7e9 56 latitude = degla + minla/60.0f*100.0f;
tony63 2:8d7c7165ffe2 57 //float minutes = latitude - (degrees * 100.0f);
tony63 2:8d7c7165ffe2 58 //latitude = degrees + minutes / 60.0f;
tony63 2:8d7c7165ffe2 59 longitude = (longitude / 100.0f);
joshema216 3:7f621626d7e9 60 deglo = (int)longitude;
joshema216 3:7f621626d7e9 61 minlo = longitude - (deglo);
joshema216 3:7f621626d7e9 62 longitude = deglo + minlo/60.0f*100.0f;
tony63 2:8d7c7165ffe2 63 //minutes = longitude - (degrees * 100.0f);
tony63 2:8d7c7165ffe2 64 //longitude = degrees + minutes / 60.0f;
tony63 2:8d7c7165ffe2 65
simon 0:15611c7938a3 66 return 1;
simon 0:15611c7938a3 67 }
simon 0:15611c7938a3 68 }
simon 0:15611c7938a3 69 }
simon 0:15611c7938a3 70 }
simon 0:15611c7938a3 71
tony63 2:8d7c7165ffe2 72 /*
simon 0:15611c7938a3 73 float GPS::trunc(float v) {
simon 0:15611c7938a3 74 if(v < 0.0) {
simon 0:15611c7938a3 75 v*= -1.0;
simon 0:15611c7938a3 76 v = floor(v);
simon 0:15611c7938a3 77 v*=-1.0;
simon 0:15611c7938a3 78 } else {
simon 0:15611c7938a3 79 v = floor(v);
simon 0:15611c7938a3 80 }
simon 0:15611c7938a3 81 return v;
simon 0:15611c7938a3 82 }
tony63 2:8d7c7165ffe2 83 */
simon 0:15611c7938a3 84 void GPS::getline() {
simon 0:15611c7938a3 85 while(_gps.getc() != '$'); // wait for the start of a line
simon 0:15611c7938a3 86 for(int i=0; i<256; i++) {
simon 0:15611c7938a3 87 msg[i] = _gps.getc();
simon 0:15611c7938a3 88 if(msg[i] == '\r') {
simon 0:15611c7938a3 89 msg[i] = 0;
simon 0:15611c7938a3 90 return;
simon 0:15611c7938a3 91 }
simon 0:15611c7938a3 92 }
simon 0:15611c7938a3 93 error("Overflowed message limit");
simon 0:15611c7938a3 94 }