Frequency counter using GPS 1PPS signal and temperature controlled 50MHz Base clock. Ported from F411 Frequency Counter.

Dependencies:   QEI DRV8830 PID ADT7410 TextLCD Frq_cuntr_Nucleo-F746ZG RingBuffer

Fork of Frequency_Counter_w_GPS_1PPS by Kenji Arai

Please refer following.
/users/kenjiArai/notebook/frequency-counters/

Revision:
14:ba6ea409ab05
Child:
15:ae0413277bc6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Tue Dec 17 11:41:18 2019 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#cf4f12a123c05fcae83fc56d76442015cb8a39e9