Simple frequency counter, run without modification on Nucleo board, Input pin PA0, PA1, PB3. Only for STM32F4 series (Tested on Nucleo-F401RE,-F411RE and F446RE)

Dependencies:   freq_counter_STM32F4xx

see /users/kenjiArai/notebook/frequency-counters/

Revision:
7:0c09d29c4cf3
Parent:
6:44c2bcbdd77b
--- a/freq_counter.lib	Tue Oct 21 12:37:05 2014 +0000
+++ b/freq_counter.lib	Wed Oct 22 00:41:14 2014 +0000
@@ -1,1 +1,1 @@
-http://developer.mbed.org/users/kenjiArai/code/freq_counter/#54c05b0a117a
+http://developer.mbed.org/users/kenjiArai/code/freq_counter/#61bea8bfe404