use additional counter with ticker for WDR

Dependencies:   libmDot mbed-rtos mbed

Fork of CardRead_20170613 by wireless sensor

Revision:
0:09250cd371d2
Child:
4:36e214ebfa56
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Wed Jun 24 22:22:07 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#ef0a22cdf839