added code for ToF and inserted e_button thread

Dependencies:   wheelchaircontrol1

Revision:
0:7e6b349182bc
diff -r 000000000000 -r 7e6b349182bc .gitignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.gitignore	Thu Aug 09 16:37:08 2018 +0000
@@ -0,0 +1,4 @@
+.build
+.mbed
+projectfiles
+*.py*