investigating UART crash

Dependencies:   mbed LoRaWAN-lib_publishing_testing_UART_bug SingleFrequencyLora

Fork of simple-demo-76_revised_20171113 by Christopher De Bank

Revision:
9:ee9dcbb9708d
Parent:
7:3173f0508a98
--- a/system/timer.h	Tue Apr 04 13:43:31 2017 +0000
+++ b/system/timer.h	Mon Apr 24 13:38:31 2017 +0000
@@ -22,7 +22,7 @@
  */
 typedef struct TimerEvent_s
 {
-    uint64_t value;
+    uint32_t value;
     void ( *Callback )( void );
     Ticker Timer;
 }TimerEvent_t;
@@ -31,7 +31,7 @@
  * \brief Timer time variable definition
  */
 #ifndef TimerTime_t
-typedef uint64_t TimerTime_t;
+typedef uint32_t TimerTime_t;
 #endif
 
 /*!