update with altimeter, swimfile.txt endleg.txt, etc see changes_13sep.txt also reset_PI()

Dependencies:   mbed MODSERIAL FATFileSystem

Revision:
102:0f430de62447
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/altim.txt	Fri Sep 13 16:51:48 2019 +0000
@@ -0,0 +1,4 @@
+# Linear regression parameters for altimeter 
+
+slope=0.0371
+intercept=-9.7413
\ No newline at end of file