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69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <unistd.h>
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#include <signal.h>
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#include "nmea_gps.h"
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#include "upm_utilities.h"
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bool shouldRun = true;
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const size_t bufferLength = 256;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a NMEA_GPS sensor on uart 0 at 9600 baud with enable
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// pin on D3. If you do not need an enable pin, you can specify -1.
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nmea_gps_context sensor = nmea_gps_init(0, 9600, 3);
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if (!sensor)
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{
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printf("nmea_gps_init() failed.\n");
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return 1;
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}
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char buffer[bufferLength];
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int rv = 0;
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// loop, dumping NMEA data out as fast as it comes in
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while (shouldRun && nmea_gps_data_available(sensor, 5000))
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{
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if ((rv = nmea_gps_read(sensor, buffer, bufferLength)) >= 0)
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{
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int i;
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for (i=0; i<rv; i++)
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printf("%c", buffer[i]);
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}
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}
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if (shouldRun)
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printf("Timed out\n");
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//! [Interesting]
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printf("Exiting\n");
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nmea_gps_close(sensor);
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return 0;
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}
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