CodeZoo co., ltd / Mbed OS mbed-os-example-cellular-LGUPlus

This is an example based on mbed-os cellular APIs that demonstrates a TCP or UDP echo transaction with a public echo server.

Diff: main.cpp

Revision:
36:6294a71c9e9e
Parent:
34:6f85d44597ac
Child:
40:c46ee5b71843
--- a/main.cpp	Tue Feb 26 07:02:26 2019 +0000
+++ b/main.cpp	Thu Apr 11 10:02:01 2019 +0100
@@ -209,7 +209,7 @@
     print_function("\n\nmbed-os-example-cellular\n");
     print_function("\n\nBuilt: %s, %s\n", __DATE__, __TIME__);
 #ifdef MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN
-    print_function("\n\n[MAIN], plmn: %s\n", MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN);
+    print_function("\n\n[MAIN], plmn: %s\n", (MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN ? MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN : "NULL"));
 #endif
 
     print_function("Establishing connection\n");