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/**************************************************************************
* @licence app begin@
*
* SPDX-License-Identifier: MPL-2.0
*
* \ingroup GNSSService
* \author Marco Residori <marco.residori@xse.de>
*
* \copyright Copyright (C) 2013, XS Embedded GmbH
*
* \license
* This Source Code Form is subject to the terms of the
* Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with
* this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* @licence end@
**************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <stdbool.h>
#include <unistd.h>
#include "gnss-init.h"
#include "gnss.h"
#include "log.h"
DLT_DECLARE_CONTEXT(gCtx);
static void cbTime(const TGNSSTime time[], uint16_t numElements)
{
int i;
if(time == NULL || numElements < 1)
{
LOG_ERROR_MSG(gCtx,"cbTime failed!");
return;
}
for (i = 0; i<numElements; i++)
{
if (time[i].validityBits & GNSS_TIME_DATE_VALID)
{
char month [12] [4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
LOG_INFO(gCtx,"Time Update[%d/%d]: timestamp=%llu UTC: %04d-%s-%02d %02d:%02d:%02d",
i+1,
numElements,
time[i].timestamp,
time[i].year,
month[time[i].month%12],
time[i].day,
time[i].hour,
time[i].minute,
time[i].second);
}
else
{
LOG_INFO(gCtx,"Time Update[%d/%d]: Invalid Date/Time",
i+1,
numElements);
}
}
}
static void cbPosition(const TGNSSPosition position[], uint16_t numElements)
{
int i;
if(position == NULL || numElements < 1)
{
LOG_ERROR_MSG(gCtx,"cbPosition failed!");
return;
}
for (i = 0; i<numElements; i++)
{
LOG_INFO(gCtx,"Position Update[%d/%d]: timestamp=%llu latitude=%.5f longitude=%.5f altitudeMSL=%.1f hSpeed=%.1f heading=%.1f\n hdop=%.1f usedSatellites=%d sigmaHPosition=%.1f sigmaHSpeed=%.1f sigmaHeading=%.1f fixStatus=%d fixTypeBits=0x%08X",
i+1,
numElements,
position[i].timestamp,
position[i].latitude,
position[i].longitude,
position[i].altitudeMSL,
position[i].hSpeed,
position[i].heading,
position[i].hdop,
position[i].usedSatellites,
position[i].sigmaHPosition,
position[i].sigmaHSpeed,
position[i].sigmaHeading,
position[i].fixStatus,
position[i].fixTypeBits);
}
}
static void cbSatelliteDetail(const TGNSSSatelliteDetail satelliteDetail[], uint16_t numElements)
{
int i;
if(satelliteDetail == NULL || numElements < 1)
{
LOG_ERROR_MSG(gCtx,"cbSatelliteDetail failed!");
return;
}
for (i = 0; i<numElements; i++)
{
LOG_INFO(gCtx,"SatelliteDetail Update[%d/%d]: satelliteId=%d azimuth=%d elevation=%d SNR=%d",
i+1,
numElements,
satelliteDetail[i].satelliteId,
satelliteDetail[i].azimuth,
satelliteDetail[i].elevation,
satelliteDetail[i].SNR);
}
}
bool checkMajorVersion(int expectedMajor)
{
int major = -1;
gnssGetVersion(&major, 0, 0);
if(major != expectedMajor)
{
LOG_ERROR(gCtx,"Wrong API version: gnssGetVersion returned unexpected value %d != %d",
major,
expectedMajor);
return false;
}
return true;
}
void init()
{
if(!checkMajorVersion(3))
{
exit(EXIT_FAILURE);
}
if(!gnssInit())
{
exit(EXIT_FAILURE);
}
}
int main()
{
init();
DLT_REGISTER_APP("GNSS", "GNSS-SERVICE-CLIENT");
DLT_REGISTER_CONTEXT(gCtx,"GCLT", "Global Context");
LOG_INFO_MSG(gCtx,"Starting gnss-service-client...");
// register for GNSS
gnssRegisterTimeCallback(&cbTime);
gnssRegisterSatelliteDetailCallback(&cbSatelliteDetail);
gnssRegisterPositionCallback(&cbPosition);
// enter endless loop
while(1)
{
sleep(1);
}
// deregister
gnssDeregisterTimeCallback(&cbTime);
gnssDeregisterSatelliteDetailCallback(&cbSatelliteDetail);
gnssDeregisterPositionCallback(&cbPosition);
gnssDestroy();
return EXIT_SUCCESS;
}
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