Basic xdot code to check how many memory is available for user APP after initializing libxdot lorawan stack

Revision:
24:d80afce304c6
Parent:
21:09d05faf0e13
Child:
25:56f7775c702f
--- a/examples/src/dot_util.cpp	Fri Jun 30 15:28:36 2017 -0500
+++ b/examples/src/dot_util.cpp	Tue Jul 11 10:46:17 2017 -0500
@@ -702,7 +702,7 @@
 }
 
 void send_data(std::vector<uint8_t> data) {
-    uint32_t ret;
+    int32_t ret;
 
     ret = dot->send(data);
     if (ret != mDot::MDOT_OK) {
@@ -711,3 +711,4 @@
         logInfo("successfully sent data to %s", dot->getJoinMode() == mDot::PEER_TO_PEER ? "peer" : "gateway");
     }
 }
+