altoslib: MegaMetrum eeprom never loses GPS date

TeleMetrum had a firmware bug that would fail to record the GPS date
and time correctly, that was hacked around in altosui, but isn't
needed for MegaMetrum. Remove those hacks from the MM path.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 0 insertions, 76 deletions

diff --git a/altoslib/AltosEepromMegaIterable.java b/altoslib/AltosEepromMegaIterable.java
index 1ab2fcc8..003bff44 100644
--- a/altoslib/AltosEepromMegaIterable.java
+++ b/altoslib/AltosEepromMegaIterable.java
@@ -348,40 +348,6 @@ public class AltosEepromMegaIterable extends AltosRecordIterable {
 	}
 
 	/*
-	 * Given an AO_LOG_GPS_TIME record with correct time, and one
-	 * missing time, rewrite the missing time values with the good
-	 * ones, assuming that the difference between them is 'diff' seconds
-	 */
-	void update_time(AltosOrderedMegaRecord good, AltosOrderedMegaRecord bad) {
-
-		int diff = (bad.tick - good.tick + 50) / 100;
-
-		int hour = (good.a & 0xff);
-		int minute = (good.a >> 8);
-		int second = (good.b & 0xff);
-		int flags = (good.b >> 8);
-		int seconds = hour * 3600 + minute * 60 + second;
-
-		/* Make sure this looks like a good GPS value */
-		if ((flags & AltosLib.AO_GPS_NUM_SAT_MASK) >> AltosLib.AO_GPS_NUM_SAT_SHIFT < 4)
-			flags = (flags & ~AltosLib.AO_GPS_NUM_SAT_MASK) | (4 << AltosLib.AO_GPS_NUM_SAT_SHIFT);
-		flags |= AltosLib.AO_GPS_RUNNING;
-		flags |= AltosLib.AO_GPS_VALID;
-
-		int new_seconds = seconds + diff;
-		if (new_seconds < 0)
-			new_seconds += 24 * 3600;
-		int new_second = (new_seconds % 60);
-		int new_minutes = (new_seconds / 60);
-		int new_minute = (new_minutes % 60);
-		int new_hours = (new_minutes / 60);
-		int new_hour = (new_hours % 24);
-
-		bad.a = new_hour + (new_minute << 8);
-		bad.b = new_second + (flags << 8);
-	}
-
-	/*
 	 * Read the whole file, dumping records into a RB tree so
 	 * we can enumerate them in time order -- the eeprom data
 	 * are sometimes out of order with GPS data getting timestamps
@@ -416,48 +382,6 @@ public class AltosEepromMegaIterable extends AltosRecordIterable {
 					continue;
 				}
 
-				/* Two firmware bugs caused the loss of some GPS data.
-				 * The flight date would never be recorded, and often
-				 * the flight time would get overwritten by another
-				 * record. Detect the loss of the GPS date and fix up the
-				 * missing time records
-				 */
-				if (record.cmd == AltosLib.AO_LOG_GPS_DATE) {
-					gps_date_record = record;
-					continue;
-				}
-
-				/* go back and fix up any missing time values */
-				if (record.cmd == AltosLib.AO_LOG_GPS_TIME) {
-					last_gps_time = record;
-					if (missing_time) {
-						Iterator<AltosOrderedMegaRecord> iterator = records.iterator();
-						while (iterator.hasNext()) {
-							AltosOrderedMegaRecord old = iterator.next();
-							if (old.cmd == AltosLib.AO_LOG_GPS_TIME &&
-							    old.a == -1 && old.b == -1)
-							{
-								update_time(record, old);
-							}
-						}
-						missing_time = false;
-					}
-				}
-
-				if (record.cmd == AltosLib.AO_LOG_GPS_LAT) {
-					if (last_gps_time == null || last_gps_time.tick != record.tick) {
-						AltosOrderedMegaRecord add_gps_time = new AltosOrderedMegaRecord(AltosLib.AO_LOG_GPS_TIME,
-													 record.tick,
-													 -1, -1, index-1);
-						if (last_gps_time != null)
-							update_time(last_gps_time, add_gps_time);
-						else
-							missing_time = true;
-
-						records.add(add_gps_time);
-						record.index = index++;
-					}
-				}
 				records.add(record);
 
 				/* Bail after reading the 'landed' record; we're all done */