From 75202417e13105c379fc7f586f18fbe5ff3317f4 Mon Sep 17 00:00:00 2001
From: Hauke Petersen <hauke.petersen@fu-berlin.de>
Date: Thu, 15 Apr 2021 13:17:33 +0200
Subject: [PATCH] examples/gnrc_net: use ztimer_msec if available

---
 examples/gnrc_networking/udp.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/examples/gnrc_networking/udp.c b/examples/gnrc_networking/udp.c
index c89f621da1..f7ae44df6d 100644
--- a/examples/gnrc_networking/udp.c
+++ b/examples/gnrc_networking/udp.c
@@ -30,7 +30,11 @@
 #include "net/gnrc/pktdump.h"
 #include "timex.h"
 #include "utlist.h"
+#if IS_USED(MODULE_ZTIMER_MSEC)
+#include "ztimer.h"
+#else
 #include "xtimer.h"
+#endif
 
 static gnrc_netreg_entry_t server =
                         GNRC_NETREG_ENTRY_INIT_PID(GNRC_NETREG_DEMUX_CTX_ALL,
@@ -108,7 +112,11 @@ static void send(char *addr_str, char *port_str, char *data, unsigned int num,
          * => use temporary variable for output */
         printf("Success: sent %u byte(s) to [%s]:%u\n", payload_size, addr_str,
                port);
+#if IS_USED(MODULE_ZTIMER_MSEC)
+        ztimer_sleep(ZTIMER_MSEC, delay);
+#else
         xtimer_usleep(delay);
+#endif
     }
 }
 
@@ -159,8 +167,13 @@ int udp_cmd(int argc, char **argv)
         uint32_t num = 1;
         uint32_t delay = 1000000;
         if (argc < 5) {
+#if IS_USED(MODULE_ZTIMER_MSEC)
+            printf("usage: %s send "
+                   "<addr> <port> <data> [<num> [<delay in ms>]]\n", argv[0]);
+#else
             printf("usage: %s send "
                    "<addr> <port> <data> [<num> [<delay in us>]]\n", argv[0]);
+#endif
             return 1;
         }
         if (argc > 5) {