main.cpp

00001 // ----------------------------------------------------------------------------
00002 // Copyright 2016-2017 ARM Ltd.
00003 //
00004 // SPDX-License-Identifier: Apache-2.0
00005 //
00006 // Licensed under the Apache License, Version 2.0 (the "License");
00007 // you may not use this file except in compliance with the License.
00008 // You may obtain a copy of the License at
00009 //
00010 //     http://www.apache.org/licenses/LICENSE-2.0
00011 //
00012 // Unless required by applicable law or agreed to in writing, software
00013 // distributed under the License is distributed on an "AS IS" BASIS,
00014 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015 // See the License for the specific language governing permissions and
00016 // limitations under the License.
00017 // ----------------------------------------------------------------------------
00018 
00019 #include "mbed.h"
00020 
00021 #include "GroveGPS.h"
00022 
00023 Serial gps_serial(D1, D0, 9600);
00024 
00025 Thread gpsThread;
00026 GroveGPS gps;
00027 
00028 // Runs at 1Hz and updates the GPS location every second
00029 void gps_updater_thread() {
00030     while(true) {
00031         char latBuffer[16], lonBuffer[16];
00032         gps.getLatitude(latBuffer);
00033         gps.getLongitude(lonBuffer);
00034 
00035         // Utilize latitude and longitude values here
00036         printf("Latitude: %f\n, Longitude: %f\n", latBuffer, lonBuffer);
00037         wait(1);
00038     }
00039 }
00040 
00041 int main() {
00042 
00043     // Start a thread to get updated GPS values
00044     gpsThread.start(gps_updater_thread);
00045 
00046     // Read the serial bus to get NMEA GPS details
00047     while (true) {
00048         if (gps_serial.readable()) {
00049             gps.readCharacter(gps_serial.getc());
00050         }
00051     }
00052 
00053     return 0;
00054 }