Sample code for Enable/Disable GNSS device

//--------------------------------------------------------------------------------------------------
/**
 * Test: Legato GNSS functions.
 *
 */
//--------------------------------------------------------------------------------------------------
static void TestLeGnssDevice
(
    void
)
{
    uint32_t ttffValue;
    uint32_t acqRate;
    uint8_t  minElevation;
    le_result_t result;
 
    le_gnss_ConstellationBitMask_t constellationMask;
    le_gnss_NmeaBitMask_t nmeaMask = 0;
    le_gnss_ConstellationArea_t constellationArea;
 
    LE_INFO("Start Test Testle_gnss_DeviceTest");
    // GNSS device enabled by default
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_READY);
    LE_ASSERT((le_gnss_Enable()) == LE_DUPLICATE);
    // Disable GNSS device (DISABLED state)
    LE_ASSERT((le_gnss_Disable()) == LE_OK);
    LE_ASSERT((le_gnss_Disable()) == LE_DUPLICATE);
    // Check Disabled state
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_DISABLED);
    LE_ASSERT((le_gnss_Start()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceHotRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceWarmRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceColdRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceFactoryRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetTtff(&ttffValue)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_Stop()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_SetConstellation(LE_GNSS_CONSTELLATION_GPS)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetConstellation(&constellationMask)) == LE_NOT_PERMITTED);
 
    LE_ASSERT(LE_NOT_PERMITTED == (le_gnss_SetConstellationArea(LE_GNSS_SV_CONSTELLATION_GPS,
                                                                LE_GNSS_WORLDWIDE_AREA)));
    LE_ASSERT(LE_NOT_PERMITTED == (le_gnss_GetConstellationArea(LE_GNSS_SV_CONSTELLATION_GPS,
                                                                &constellationArea)));
 
    LE_ASSERT(LE_NOT_PERMITTED == (le_gnss_SetConstellationArea(LE_GNSS_SV_CONSTELLATION_GLONASS,
                                                                LE_GNSS_WORLDWIDE_AREA)));
    LE_ASSERT(LE_NOT_PERMITTED == (le_gnss_GetConstellationArea(LE_GNSS_SV_CONSTELLATION_GLONASS,
                                                                &constellationArea)));
 
    LE_ASSERT((le_gnss_GetAcquisitionRate(&acqRate)) == LE_NOT_PERMITTED);
    result = le_gnss_SetAcquisitionRate(acqRate);
    LE_ASSERT((result == LE_NOT_PERMITTED) || (result == LE_OUT_OF_RANGE));
    LE_ASSERT((le_gnss_SetNmeaSentences(nmeaMask)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetNmeaSentences(&nmeaMask)) == LE_NOT_PERMITTED);
 
    // test le_gnss_Get/SetMinElevation when GNSS device is disabled and the engine is not started.
    minElevation = 40;
    LE_ASSERT((le_gnss_SetMinElevation(minElevation)) == LE_OK);
    LE_ASSERT((le_gnss_GetMinElevation(&minElevation)) == LE_OK);
    LE_INFO("GNSS min elevation obtained: %d",minElevation);
    LE_ASSERT(minElevation == 40);
 
    // Enable GNSS device (READY state)
    LE_ASSERT((le_gnss_Enable()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_READY);
    LE_ASSERT((le_gnss_Disable()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_DISABLED);
    LE_ASSERT((le_gnss_Enable()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_READY);
    LE_ASSERT_OK(le_gnss_SetConstellation(LE_GNSS_CONSTELLATION_GPS));
    LE_ASSERT_OK(le_gnss_GetConstellation(&constellationMask));
    LE_ASSERT(constellationMask == LE_GNSS_CONSTELLATION_GPS);
 
    LE_ASSERT(LE_BAD_PARAMETER == (le_gnss_SetConstellationArea(LE_GNSS_SV_CONSTELLATION_GALILEO,
                                                                LE_GNSS_UNSET_AREA)));
 
    LE_ASSERT_OK(le_gnss_SetConstellationArea(LE_GNSS_SV_CONSTELLATION_GALILEO,
                                              LE_GNSS_OUTSIDE_US_AREA));
    LE_ASSERT_OK(le_gnss_GetConstellationArea(LE_GNSS_SV_CONSTELLATION_GALILEO,
                                              &constellationArea));
    LE_ASSERT(LE_GNSS_OUTSIDE_US_AREA == constellationArea);
 
    LE_ASSERT_OK(le_gnss_SetConstellationArea(LE_GNSS_SV_CONSTELLATION_GALILEO,
                                              LE_GNSS_WORLDWIDE_AREA));
    LE_ASSERT_OK(le_gnss_GetConstellationArea(LE_GNSS_SV_CONSTELLATION_GALILEO,
                                              &constellationArea));
    LE_ASSERT(LE_GNSS_WORLDWIDE_AREA == constellationArea);
 
    LE_ASSERT((le_gnss_Stop()) == LE_DUPLICATE);
    LE_ASSERT((le_gnss_ForceHotRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceWarmRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceColdRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceFactoryRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetAcquisitionRate(&acqRate)) == LE_OK);
    acqRate = 0;
    LE_ASSERT((le_gnss_SetAcquisitionRate(acqRate)) == LE_OUT_OF_RANGE);
    acqRate = 1100;
    LE_ASSERT((le_gnss_SetAcquisitionRate(acqRate)) == LE_OK);
    LE_ASSERT((le_gnss_GetNmeaSentences(&nmeaMask)) == LE_OK);
    LE_INFO("NMEA mask: %x",nmeaMask);
    LE_ASSERT((le_gnss_SetNmeaSentences(nmeaMask)) == LE_OK);
 
    // test le_gnss_Get/SetMinElevation when GNSS device is enabled and the engine is not started.
    minElevation = 0;
    LE_ASSERT((le_gnss_SetMinElevation(minElevation)) == LE_OK);
    LE_ASSERT((le_gnss_GetMinElevation(&minElevation)) == LE_OK);
    LE_INFO("GNSS min elevation obtained: %d",minElevation);
    LE_ASSERT(minElevation == 0);
 
    // Start GNSS device (ACTIVE state)
    LE_ASSERT((le_gnss_Start()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_ACTIVE);
    LE_ASSERT((le_gnss_Start()) == LE_DUPLICATE);
    LE_ASSERT((le_gnss_Enable()) == LE_DUPLICATE);
    LE_ASSERT((le_gnss_Disable()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_SetConstellation(LE_GNSS_CONSTELLATION_GPS)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetConstellation(&constellationMask)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetAcquisitionRate(&acqRate)) == LE_NOT_PERMITTED);
    result = le_gnss_SetAcquisitionRate(acqRate);
    LE_ASSERT((result == LE_NOT_PERMITTED) || (result == LE_OUT_OF_RANGE));
    LE_ASSERT((le_gnss_SetNmeaSentences(nmeaMask)) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetNmeaSentences(&nmeaMask)) == LE_NOT_PERMITTED);
 
    // test le_gnss_Get/SetMinElevation when le_gnss_ENABLE ON and le_gnss_Start ON
    minElevation = LE_GNSS_MIN_ELEVATION_MAX_DEGREE;
    LE_ASSERT((le_gnss_SetMinElevation(minElevation)) == LE_OK);
    LE_ASSERT((le_gnss_GetMinElevation(&minElevation)) == LE_OK);
    LE_INFO("GNSS min elevation obtained: %d",minElevation);
    LE_ASSERT(minElevation == LE_GNSS_MIN_ELEVATION_MAX_DEGREE);
 
    // test le_gnss_SetMinElevation wrong value (when le_gnss_ENABLE ON and le_gnss_Start ON)
    minElevation = LE_GNSS_MIN_ELEVATION_MAX_DEGREE+1;
    LE_ASSERT((le_gnss_SetMinElevation(minElevation)) == LE_OUT_OF_RANGE);
 
    // Stop GNSS device (READY state)
    LE_ASSERT((le_gnss_Stop()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_READY);
    LE_ASSERT((le_gnss_Enable()) == LE_DUPLICATE);
    LE_ASSERT((le_gnss_Disable()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_DISABLED);
    LE_ASSERT((le_gnss_Enable()) == LE_OK);
    LE_ASSERT((le_gnss_GetState()) == LE_GNSS_STATE_READY);
    LE_ASSERT((le_gnss_SetConstellation(LE_GNSS_CONSTELLATION_GPS)) == LE_OK);
    LE_ASSERT((le_gnss_GetConstellation(&constellationMask)) == LE_OK);
    LE_ASSERT(constellationMask == LE_GNSS_CONSTELLATION_GPS);
    LE_ASSERT((le_gnss_Stop()) == LE_DUPLICATE);
    LE_ASSERT((le_gnss_ForceHotRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceWarmRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceColdRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_ForceFactoryRestart()) == LE_NOT_PERMITTED);
    LE_ASSERT((le_gnss_GetAcquisitionRate(&acqRate)) == LE_OK);
    LE_ASSERT((le_gnss_SetAcquisitionRate(acqRate)) == LE_OK);
    LE_ASSERT((le_gnss_GetNmeaSentences(&nmeaMask)) == LE_OK);
    LE_ASSERT((le_gnss_SetNmeaSentences(nmeaMask)) == LE_OK);
}