forked from upstream-mirrors/OpenTracks
member functions moved around
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+51
-51
@@ -44,25 +44,6 @@ public class SensorDataProcessor {
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}
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}
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/**
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* Removes old data from the history.
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*
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* @param now the current system time
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* @return true if the remaining history is not empty
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*/
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protected boolean removeOldHistory(long now) {
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HistoryElement h;
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while ((h = history.peek()) != null) {
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// if the first element of the list is in our desired time range then return
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if (now - h.systemTime <= HISTORY_LENGTH_MILLIS && history.size() < HISTORY_MAX_LENGTH) {
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return true;
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}
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// otherwise remove the too old element, and look at the next (newer) one
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history.removeFirst();
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}
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return false;
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}
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/**
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* The latest counter value reported by the sensor
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*/
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@@ -92,38 +73,6 @@ public class SensorDataProcessor {
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history = new LinkedList<HistoryElement>();
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}
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/**
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* Calculates the instantaneous sensor value to be displayed
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* using the history when the sensor only resends the old data
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*/
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private int getValueFromHistory(long now) {
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if (!removeOldHistory(now)) {
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// there is nothing in the history, return 0
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return eventsPerMinute = 0;
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}
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HistoryElement f = history.getFirst();
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HistoryElement l = history.getLast();
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int sensorTimeChange = (l.sensorTime - f.sensorTime) & 0xFFFF;
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int counterChange = (counter - f.counter) & 0xFFFF;
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// difference between now and systemTime of the oldest history entry
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// for better precision sensor timestamps are considered between
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// the first and the last history entry (could be overkill)
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int systemTimeChange = (int) (now - l.systemTime
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+ (sensorTimeChange * ONE_SECOND_MILLIS) / SENSOR_TIME_RESOLUTION);
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// eventsPerMinute is not overwritten by this calculated value
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// because it is still needed when a new sensor event arrives
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int v = (counterChange * ONE_MINUTE_MILLIS) / systemTimeChange;
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Log.d(TAG, "getEventsPerMinute returns (2):" + v);
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// do not return larger number than eventsPerMinute, because the reason
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// this function got called is that more time has passed after the last
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// sensor counter value change than the current eventsPerMinute
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// would be valid
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return v < eventsPerMinute ? v : eventsPerMinute;
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}
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/**
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* Calculates the instantaneous sensor value to be displayed
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*
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@@ -178,4 +127,55 @@ public class SensorDataProcessor {
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Log.d(TAG, "getEventsPerMinute returns:" + eventsPerMinute);
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return eventsPerMinute;
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}
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/**
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* Calculates the instantaneous sensor value to be displayed
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* using the history when the sensor only resends the old data
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*/
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private int getValueFromHistory(long now) {
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if (!removeOldHistory(now)) {
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// there is nothing in the history, return 0
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return eventsPerMinute = 0;
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}
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HistoryElement f = history.getFirst();
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HistoryElement l = history.getLast();
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int sensorTimeChange = (l.sensorTime - f.sensorTime) & 0xFFFF;
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int counterChange = (counter - f.counter) & 0xFFFF;
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// difference between now and systemTime of the oldest history entry
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// for better precision sensor timestamps are considered between
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// the first and the last history entry (could be overkill)
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int systemTimeChange = (int) (now - l.systemTime
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+ (sensorTimeChange * ONE_SECOND_MILLIS) / SENSOR_TIME_RESOLUTION);
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// eventsPerMinute is not overwritten by this calculated value
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// because it is still needed when a new sensor event arrives
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int v = (counterChange * ONE_MINUTE_MILLIS) / systemTimeChange;
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Log.d(TAG, "getEventsPerMinute returns (2):" + v);
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// do not return larger number than eventsPerMinute, because the reason
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// this function got called is that more time has passed after the last
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// sensor counter value change than the current eventsPerMinute
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// would be valid
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return v < eventsPerMinute ? v : eventsPerMinute;
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}
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/**
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* Removes old data from the history.
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*
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* @param now the current system time
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* @return true if the remaining history is not empty
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*/
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private boolean removeOldHistory(long now) {
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HistoryElement h;
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while ((h = history.peek()) != null) {
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// if the first element of the list is in our desired time range then return
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if (now - h.systemTime <= HISTORY_LENGTH_MILLIS && history.size() < HISTORY_MAX_LENGTH) {
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return true;
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}
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// otherwise remove the too old element, and look at the next (newer) one
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history.removeFirst();
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}
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return false;
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}
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}
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