altoslib: Handle eeprom tick wrapping

Need to deal with eeprom files with tick values that cross the 16-bit
barrier.
Use 'wide_tick' to order eeprom record.
Remeber 'prev_tick' to order cal data time sequence.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/altoslib/AltosCalData.java b/altoslib/AltosCalData.java
index 960de30a..54b75817 100644
--- a/altoslib/AltosCalData.java
+++ b/altoslib/AltosCalData.java
@@ -172,6 +172,7 @@ public class AltosCalData {
 					tick += 65536;
 				}
 			}
+			prev_tick = tick;
 			this.tick = tick;
 		}
 	}