check more error codes

src/concurrency/BinarySemaphoreFreeRTOS.cpp

@@ -1,5 +1,6 @@
 #include "concurrency/BinarySemaphoreFreeRTOS.h"
 #include "configuration.h"
+#include <assert.h>
 
 #ifdef HAS_FREE_RTOS
 
@@ -9,6 +10,7 @@ namespace concurrency
 BinarySemaphoreFreeRTOS::BinarySemaphoreFreeRTOS()
 {
     semaphore = xSemaphoreCreateBinary();
+    assert(semaphore);
 }
 
 BinarySemaphoreFreeRTOS::~BinarySemaphoreFreeRTOS()