Sample code for GNSS constellation selection

//--------------------------------------------------------------------------------------------------
/**
 * Test: GNSS Position request.
 *
 */
//--------------------------------------------------------------------------------------------------
static void TestLeGnssStart
(
    void
)
{
    uint32_t rate = 0;
    le_gnss_ConstellationBitMask_t constellationMask;
    le_gnss_NmeaBitMask_t nmeaMask;
    uint32_t ttff = 0;
    le_result_t result = LE_FAULT;
 
 
    LE_INFO("Start Test Testle_gnss_StartTest");
 
    LE_ASSERT((le_gnss_GetAcquisitionRate(&rate)) == LE_OK);
    LE_INFO("Acquisition rate %d ms", rate);
    LE_ASSERT((le_gnss_SetAcquisitionRate(rate)) == LE_OK);
 
    LE_ASSERT(le_gnss_GetConstellation(&constellationMask) == LE_OK);
    LE_INFO("Constellation 0x%X", constellationMask);
    LE_ASSERT(le_gnss_SetConstellation(constellationMask) == LE_OK);
 
    LE_ASSERT((le_gnss_GetNmeaSentences(&nmeaMask)) == LE_OK);
    LE_INFO("Enabled NMEA sentences 0x%08X", nmeaMask);
    LE_ASSERT((le_gnss_SetNmeaSentences(nmeaMask)) == LE_OK);
 
    LE_INFO("Start GNSS");
    LE_ASSERT((le_gnss_Start()) == LE_OK);
 
    /* Wait for a position fix */
    LE_INFO("Wait 120 seconds for a 3D fix");
    sleep(120);
 
    // Get TTFF
    result = le_gnss_GetTtff(&ttff);
    LE_ASSERT((result == LE_OK) || (result == LE_BUSY));
    if(result == LE_OK)
    {
        LE_INFO("TTFF start = %d msec", ttff);
    }
    else
    {
        LE_INFO("TTFF start not available");
    }
 
    LE_INFO("Stop GNSS");
    LE_ASSERT((le_gnss_Stop()) == LE_OK);
    EpochTime=0;
    TimeAccuracy=0;
 
}