Simon Ford / GPS

Library for the EM-406 GPS module

Dependents:   GPS_HelloWorld Lab3 2bk0115_GPS_Test00 campur ... more

GPS.h@0:15611c7938a3, 2010-06-08 (annotated)

Committer:
simon
Date:
Tue Jun 08 14:10:27 2010 +0000
Revision:
0:15611c7938a3

        

        
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/* mbed EM-406 GPS Module Library





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 * Copyright (c) 2008-2010, sford





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 *





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 * Permission is hereby granted, free of charge, to any person obtaining a copy





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 * of this software and associated documentation files (the "Software"), to deal





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 * in the Software without restriction, including without limitation the rights





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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell





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 * copies of the Software, and to permit persons to whom the Software is





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 * furnished to do so, subject to the following conditions:





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 *





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 * The above copyright notice and this permission notice shall be included in





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 * all copies or substantial portions of the Software.





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 *





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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR





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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,





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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE





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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER





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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN





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 * THE SOFTWARE.





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 */





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#include "mbed.h"





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#ifndef MBED_GPS_H





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#define MBED_GPS_H





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/**  A GPS interface for reading from a Globalsat EM-406 GPS Module */





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class GPS {





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public:





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    /** Create the GPS interface, connected to the specified serial port





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     */    





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    GPS(PinName tx, PinName rx);





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    /** Sample the incoming GPS data, returning whether there is a lock





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     * 





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     * @return 1 if there was a lock when the sample was taken (and therefore .longitude and .latitude are valid), else 0





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     */





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    int sample();





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    /** The longitude (call sample() to set) */





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    float longitude;





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    /** The latitude (call sample() to set) */





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    float latitude;





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private:





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    float trunc(float v);





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    void getline();





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    Serial _gps;





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    char msg[256];





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};





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#endif