altoslib: MegaMetrum eeprom never loses GPS date

[fw/altos] / altoslib / AltosEepromMegaIterable.java

diff --git a/altoslib/AltosEepromMegaIterable.java b/altoslib/AltosEepromMegaIterable.java
index 1ab2fcc8b473aee35e45a4306c5f32d481e19d89..003bff44a8f9128bcf2724632aef4ffe01af3ebb 100644 (file)
--- a/altoslib/AltosEepromMegaIterable.java
+++ b/altoslib/AltosEepromMegaIterable.java
@@ -347,40 +347,6 @@ 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
@@ -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 */