From 039618302a6ee584ad86aced5591bca8f768a0aa Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Thu, 6 Apr 2023 12:09:43 +0100
Subject: [PATCH] Add a short delay before retrying for a MAC address in
 get_device_id.

---
 common.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common.c b/common.c
index 2fb5003a..3630ea36 100644
--- a/common.c
+++ b/common.c
@@ -1989,6 +1989,10 @@ int get_device_id(uint8_t *id, int int_length) {
       }
       freeifaddrs(ifaddr);
     }
+    // wait a little time if we haven't got a response
+    if (response != 0) {
+      usleep(100000);
+    }
     time_to_wait = wait_until - get_absolute_time_in_ns();
   } while ((response != 0) && (time_to_wait > 0));
   if (response != 0)