most functionality to splashdwon, find neutral and start mission. short timeouts still in code for testing, will adjust to go directly to sit_idle after splashdown

Dependencies:   mbed MODSERIAL FATFileSystem

Revision:
85:dd8176285b6e
Parent:
74:d281aaef9766
--- a/notes.txt	Tue Feb 19 20:11:43 2019 +0000
+++ b/notes.txt	Mon Feb 25 21:26:34 2019 +0000
@@ -5,4 +5,17 @@
 
 TEST POSITION DIVE AND RISE
 
-//change the limit switch from the tiny button on the BMM/battery to something larger
\ No newline at end of file
+//change the limit switch from the tiny button on the BMM/battery to something larger
+
+change depth from ft to meters
+
+get altimeter input and filter it
+
+have new state that sends heartbeat messages (once per 5 seconds?) for maybe 60 seconds
+before exiting via FB_EXIT
+
+change baud back to 115200 if you go back to xbee rather than serial - USB at default rates.
+
+change power on xbee back to high power when out of lab.
+
+verify that heading loop deals properly with 0/360 issues  is there data on this?
\ No newline at end of file