rpl: decrease default numbers

sys/include/net/gnrc/rpl/dodag.h

@@ -36,14 +36,14 @@ extern "C" {
  * @brief   Number of RPL instances
  */
 #ifndef GNRC_RPL_INSTANCES_NUMOF
-#define GNRC_RPL_INSTANCES_NUMOF (2)
+#define GNRC_RPL_INSTANCES_NUMOF (1)
 #endif
 
 /**
  * @brief   Number of RPL parents
  */
 #ifndef GNRC_RPL_PARENTS_NUMOF
-#define GNRC_RPL_PARENTS_NUMOF (6)
+#define GNRC_RPL_PARENTS_NUMOF (3)
 #endif
 
 /**

sys/shell/commands/sc_gnrc_rpl.c

@@ -159,14 +159,11 @@ int _gnrc_rpl_dodag_show(void)
         else {
             printf("[X]");
         }
-        if (i < (GNRC_RPL_INSTANCES_NUMOF - 1)) {
-            printf("\t");
-        }
-        else {
-            printf("\n");
-        }
+        putchar('\t');
     }
 
+    putchar('\n');
+
     printf("parent table:\t");
     for (uint8_t i = 0; i < GNRC_RPL_PARENTS_NUMOF; ++i) {
         if (gnrc_rpl_parents[i].state == 0) {
@@ -175,9 +172,7 @@ int _gnrc_rpl_dodag_show(void)
         else {
             printf("[X]");
         }
-        if (i < (GNRC_RPL_PARENTS_NUMOF - 1)) {
-            putchar('\t');
-        }
+        putchar('\t');
     }
     putchar('\n');
     putchar('\n');