net/asymcute : Add 'CONFIG_ASYMCUTE_DEFAULT_PORT'

examples/asymcute : Update macro definition
Update macro definition for UDP port.

Kconfig/asymcute : Add 'ASYMCUTE_DEFAULT_PORT'

examples/asymcute_mqttsn/main.c

@@ -257,7 +257,7 @@ static int _cmd_connect(int argc, char **argv)
         return 1;
     }
     if (ep.port == 0) {
-        ep.port = MQTTSN_DEFAULT_PORT;
+        ep.port = CONFIG_ASYMCUTE_DEFAULT_PORT;
     }
 
     /* get request context */

sys/include/net/asymcute.h

@@ -63,6 +63,13 @@ extern "C" {
  * @ingroup config
  * @{
  */
+/**
+ * @brief   Default UDP port to listen on
+ */
+#ifndef CONFIG_ASYMCUTE_DEFAULT_PORT
+#define CONFIG_ASYMCUTE_DEFAULT_PORT    (1883U)
+#endif
+
 /**
  * @brief   Default buffer size for Asymcute client (as exponent of 2^n)
  *

sys/net/application_layer/asymcute/Kconfig

@@ -16,6 +16,14 @@ menuconfig KCONFIG_USEMODULE_ASYMCUTE
 
 if KCONFIG_USEMODULE_ASYMCUTE
 
+config ASYMCUTE_DEFAULT_PORT
+    int "Default UDP port to listen on"
+    default 1883
+    help
+        Default UDP port to listen on (also used as SRC port). This will write
+        to macro 'CONFIG_ASYMCUTE_DEFAULT_PORT'. Usage can be found in
+        examples/asymcute_mqttsn
+
 config ASYMCUTE_BUFSIZE_EXP
     int "Exponent for the buffer size (resulting in the buffer size 2^n)"
     default 7