This program counts the frequency of a single output encoder on pin D2 it can be changed to suit your encoder by changing the defines at the top and playing with the sample time.

Dependencies:   mbed

Revision:
0:fb3e19364d48
diff -r 000000000000 -r fb3e19364d48 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Jan 26 12:54:37 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/6f327212ef96
\ No newline at end of file