/**
* Used internally within {@link LocationManager} to copy GPS status data from the Location
* Manager Service to its cached GpsStatus instance. Is synchronized to ensure that GPS status
* updates are atomic.
*/
synchronized void setStatus(
int svCount,
int[] prns,
float[] snrs,
float[] elevations,
float[] azimuths,
int ephemerisMask,
int almanacMask,
int usedInFixMask) {
int i;
for (i = 0; i < mSatellites.length; i++) {
mSatellites[i].mValid = false;
}
for (i = 0; i < svCount; i++) {
int prn = prns[i] - 1;
int prnShift = (1 << prn);
GpsSatellite satellite = mSatellites[prn];
satellite.mValid = true;
satellite.mSnr = snrs[i];
satellite.mElevation = elevations[i];
satellite.mAzimuth = azimuths[i];
satellite.mHasEphemeris = ((ephemerisMask & prnShift) != 0);
satellite.mHasAlmanac = ((almanacMask & prnShift) != 0);
satellite.mUsedInFix = ((usedInFixMask & prnShift) != 0);
}
}
/**
* Used internally within {@link LocationManager} to copy GPS status data from the Location
* Manager Service to its cached GpsStatus instance. Is synchronized to ensure that GPS status
* updates are atomic.
*/
synchronized void setStatus(
int svCount,
int[] prns,
float[] snrs,
float[] elevations,
float[] azimuths,
int ephemerisMask,
int almanacMask,
int usedInFixMask) {
clearSatellites();
for (int i = 0; i < svCount; i++) {
int prn = prns[i];
int prnShift = (1 << (prn - 1));
if (prn > 0 && prn <= NUM_SATELLITES) {
GpsSatellite satellite = mSatellites.get(prn);
if (satellite == null) {
satellite = new GpsSatellite(prn);
mSatellites.put(prn, satellite);
}
satellite.mValid = true;
satellite.mSnr = snrs[i];
satellite.mElevation = elevations[i];
satellite.mAzimuth = azimuths[i];
satellite.mHasEphemeris = ((ephemerisMask & prnShift) != 0);
satellite.mHasAlmanac = ((almanacMask & prnShift) != 0);
satellite.mUsedInFix = ((usedInFixMask & prnShift) != 0);
}
}
}
