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 extern int GPS_init();
00024 extern GroveGPS gps;
00025 Thread gpsThread(osPriorityNormal);
00026 
00027 
00028 // Runs at 1Hz and updates the GPS location every second
00029 void gps_updater_thread() {
00030     printf("Thread Initialized\r\n");
00031     while(true) {
00032         char latBuffer[16], lonBuffer[16];
00033         gps.getLatitude(latBuffer);
00034         gps.getLongitude(lonBuffer);
00035 
00036         // Utilize latitude and longitude values here
00037         printf("\r\nLa=%s Lo=%s\r\n", latBuffer, lonBuffer);
00038         wait(1);
00039     }
00040 }
00041 
00042 int main() {
00043     GPS_init();
00044     printf("GPS Initialized\r\n");
00045     // Start a thread to get updated GPS values
00046     gpsThread.start(callback(gps_updater_thread));
00047 
00048     // do nothing while the library does all the work
00049     while (true) {
00050         // Include a long wait to unblock the threads
00051         wait(100000);
00052     }
00053 
00054     return 0;
00055 }