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Code Issues Releases Activity

AndroidGCS: Use a timer when computing the update time for GCSTelemetryStats

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This commit is contained in:
James Cotton 2012-08-05 22:07:40 -05:00
parent 6748981090
commit 8be488b92f
1 changed files with 9 additions and 3 deletions
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12
androidgcs/src/org/openpilot/uavtalk/TelemetryMonitor.java
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@ -210,6 +210,7 @@ public class TelemetryMonitor extends Observable{
}
}
private long lastStatsTime;
/**
* Called periodically to update the statistics and connection status.
* @throws IOException
@ -219,13 +220,16 @@ public class TelemetryMonitor extends Observable{
// Get telemetry stats
if (DEBUG) Log.d(TAG, "processStatsUpdates()");
Telemetry.TelemetryStats telStats = tel.getStats();
tel.resetStats();
if (DEBUG) Log.d(TAG, "processStatsUpdates() - stats reset");
// Need to compute time because this update is not regular enough
float dT = (float) (System.currentTimeMillis() - lastStatsTime) / 1000.0f;
lastStatsTime = System.currentTimeMillis();
// Update stats object
gcsStatsObj.getField("RxDataRate").setDouble( (float)telStats.rxBytes / ((float)currentPeriod/1000.0) );
gcsStatsObj.getField("TxDataRate").setDouble( (float)telStats.txBytes / ((float)currentPeriod/1000.0) );
gcsStatsObj.getField("RxDataRate").setDouble( (float)telStats.rxBytes / dT );
gcsStatsObj.getField("TxDataRate").setDouble( (float)telStats.txBytes / dT );
UAVObjectField field = gcsStatsObj.getField("RxFailures");
field.setDouble(field.getDouble() + telStats.rxErrors);
field = gcsStatsObj.getField("TxFailures");
@ -233,6 +237,8 @@ public class TelemetryMonitor extends Observable{
field = gcsStatsObj.getField("TxRetries");
field.setDouble(field.getDouble() + telStats.txRetries);
tel.resetStats();
if (DEBUG) Log.d(TAG, "processStatsUpdates() - stats updated");
// Check for a connection timeout