diff options
Diffstat (limited to 'telephony/java/android/telephony/SignalStrength.java')
| -rw-r--r-- | telephony/java/android/telephony/SignalStrength.java | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/telephony/java/android/telephony/SignalStrength.java b/telephony/java/android/telephony/SignalStrength.java index 3363ca6..17db3fb 100644 --- a/telephony/java/android/telephony/SignalStrength.java +++ b/telephony/java/android/telephony/SignalStrength.java @@ -20,6 +20,7 @@ import android.os.Bundle; import android.os.Parcel; import android.os.Parcelable; import android.telephony.Rlog; +import android.content.res.Resources; /** * Contains phone signal strength related information. @@ -50,6 +51,11 @@ public class SignalStrength implements Parcelable { //Use int max, as -1 is a valid value in signal strength public static final int INVALID = 0x7FFFFFFF; + private static final int RSRP_THRESH_TYPE_STRICT = 0; + private static final int[] RSRP_THRESH_STRICT = new int[] {-140, -115, -105, -95, -85, -44}; + private static final int[] RSRP_THRESH_LENIENT = new int[] {-140, -128, -118, -108, -98, -44}; + + private int mGsmSignalStrength; // Valid values are (0-31, 99) as defined in TS 27.007 8.5 private int mGsmBitErrorRate; // bit error rate (0-7, 99) as defined in TS 27.007 8.5 private int mCdmaDbm; // This value is the RSSI value @@ -745,12 +751,21 @@ public class SignalStrength implements Parcelable { */ int rssiIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN, rsrpIconLevel = -1, snrIconLevel = -1; - if (mLteRsrp > -44) rsrpIconLevel = -1; - else if (mLteRsrp >= -85) rsrpIconLevel = SIGNAL_STRENGTH_GREAT; - else if (mLteRsrp >= -95) rsrpIconLevel = SIGNAL_STRENGTH_GOOD; - else if (mLteRsrp >= -105) rsrpIconLevel = SIGNAL_STRENGTH_MODERATE; - else if (mLteRsrp >= -115) rsrpIconLevel = SIGNAL_STRENGTH_POOR; - else if (mLteRsrp >= -140) rsrpIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN; + int rsrpThreshType = Resources.getSystem().getInteger(com.android.internal.R.integer. + config_LTE_RSRP_threshold_type); + int[] threshRsrp; + if (rsrpThreshType == RSRP_THRESH_TYPE_STRICT) { + threshRsrp = RSRP_THRESH_STRICT; + } else { + threshRsrp = RSRP_THRESH_LENIENT; + } + + if (mLteRsrp > threshRsrp[5]) rsrpIconLevel = -1; + else if (mLteRsrp >= threshRsrp[4]) rsrpIconLevel = SIGNAL_STRENGTH_GREAT; + else if (mLteRsrp >= threshRsrp[3]) rsrpIconLevel = SIGNAL_STRENGTH_GOOD; + else if (mLteRsrp >= threshRsrp[2]) rsrpIconLevel = SIGNAL_STRENGTH_MODERATE; + else if (mLteRsrp >= threshRsrp[1]) rsrpIconLevel = SIGNAL_STRENGTH_POOR; + else if (mLteRsrp >= threshRsrp[0]) rsrpIconLevel = SIGNAL_STRENGTH_NONE_OR_UNKNOWN; /* * Values are -200 dB to +300 (SNR*10dB) RS_SNR >= 13.0 dB =>4 bars 4.5 @@ -789,6 +804,7 @@ public class SignalStrength implements Parcelable { else if (mLteSignalStrength >= 8) rssiIconLevel = SIGNAL_STRENGTH_GOOD; else if (mLteSignalStrength >= 5) rssiIconLevel = SIGNAL_STRENGTH_MODERATE; else if (mLteSignalStrength >= 0) rssiIconLevel = SIGNAL_STRENGTH_POOR; + if (DBG) log("getLTELevel - rssi:" + mLteSignalStrength + " rssiIconLevel:" + rssiIconLevel); return rssiIconLevel; |