Richard Meadows / GPS_Alt

GPS with Altitude

Dependents:   Vodafone_SEDS

Fork of GPS by Simon Ford

GPS.h@1:586757e9ad1b, 2014-06-09 (annotated)

Committer:
richardemeadows
Date:
Mon Jun 09 16:48:04 2014 +0000
Revision:
1:586757e9ad1b
Parent:
0:15611c7938a3 
Added Altitude Decoding

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 "mbed.h"
simon 0:15611c7938a3 24
simon 0:15611c7938a3 25 #ifndef MBED_GPS_H
simon 0:15611c7938a3 26 #define MBED_GPS_H
simon 0:15611c7938a3 27
simon 0:15611c7938a3 28 /** A GPS interface for reading from a Globalsat EM-406 GPS Module */
simon 0:15611c7938a3 29 class GPS {
simon 0:15611c7938a3 30 public:
simon 0:15611c7938a3 31
simon 0:15611c7938a3 32 /** Create the GPS interface, connected to the specified serial port
simon 0:15611c7938a3 33 */
simon 0:15611c7938a3 34 GPS(PinName tx, PinName rx);
simon 0:15611c7938a3 35
simon 0:15611c7938a3 36 /** Sample the incoming GPS data, returning whether there is a lock
simon 0:15611c7938a3 37 *
simon 0:15611c7938a3 38 * @return 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0
simon 0:15611c7938a3 39 */
simon 0:15611c7938a3 40 int sample();
simon 0:15611c7938a3 41
simon 0:15611c7938a3 42 /** The longitude (call sample() to set) */
simon 0:15611c7938a3 43 float longitude;
simon 0:15611c7938a3 44
simon 0:15611c7938a3 45 /** The latitude (call sample() to set) */
simon 0:15611c7938a3 46 float latitude;
simon 0:15611c7938a3 47
richardemeadows 1:586757e9ad1b 48 /** The number of satellites in use (call sample() to set) */
richardemeadows 1:586757e9ad1b 49 int satellites;
richardemeadows 1:586757e9ad1b 50
richardemeadows 1:586757e9ad1b 51 /** The altitude (call sample() to set) */
richardemeadows 1:586757e9ad1b 52 float altitude;
richardemeadows 1:586757e9ad1b 53
simon 0:15611c7938a3 54 private:
simon 0:15611c7938a3 55 float trunc(float v);
simon 0:15611c7938a3 56 void getline();
simon 0:15611c7938a3 57
simon 0:15611c7938a3 58 Serial _gps;
simon 0:15611c7938a3 59 char msg[256];
simon 0:15611c7938a3 60
simon 0:15611c7938a3 61 };
simon 0:15611c7938a3 62
simon 0:15611c7938a3 63 #endif