Udomsak Boonprasert
GPS communication example for LOCOSYS model 1590R-A
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GPS
by 
Udomsak Boonprasert
GPS.h@0:15611c7938a3, 2010-06-08 (annotated)
- Committer:
- simon
- Date:
- Tue Jun 08 14:10:27 2010 +0000
- Revision:
- 0:15611c7938a3
Who changed what in which revision?
| User | Revision | Line number | New 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 | |
| simon | 0:15611c7938a3 | 48 | private: |
| simon | 0:15611c7938a3 | 49 | float trunc(float v); |
| simon | 0:15611c7938a3 | 50 | void getline(); |
| simon | 0:15611c7938a3 | 51 | |
| simon | 0:15611c7938a3 | 52 | Serial _gps; |
| simon | 0:15611c7938a3 | 53 | char msg[256]; |
| simon | 0:15611c7938a3 | 54 | |
| simon | 0:15611c7938a3 | 55 | }; |
| simon | 0:15611c7938a3 | 56 | |
| simon | 0:15611c7938a3 | 57 | #endif |