code crashes accessing randomization code

Dependencies:   LoRaWAN-SX1272-Application-24-31-9sec X_NUCLEO_IKS01A1 driver_mbed_TH02 LoRaWAN-lib-v1_0_1 SX1272Lib mbed

Fork of LoRaWAN-SX1272-Application-24-31-9sec by Oleh Zvonarov

Revision:
1:428dbf097fe6
Parent:
0:6cc76d70e2a1
Child:
2:19dd7bfcacf7
diff -r 6cc76d70e2a1 -r 428dbf097fe6 board/board.cpp
--- a/board/board.cpp	Thu Apr 06 21:59:50 2017 +0000
+++ b/board/board.cpp	Sat Apr 29 07:41:12 2017 +0000
@@ -23,6 +23,8 @@
 
 DigitalIn UsrButton( PC_13 );
 
+DigitalOut Led( PB_10 );
+
 #ifdef USE_IKS01A1_SENSOR
 X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance();
 MotionSensor *accelerometer = mems_expansion_board->GetAccelerometer();