From 5ba4cfc677a578fad595d09e79e541a5d08af0e5 Mon Sep 17 00:00:00 2001
From: Peter Harper <77111776+peterharperuk@users.noreply.github.com>
Date: Thu, 8 Jun 2023 16:02:25 +0100
Subject: [PATCH] ping example app throws lwip assert (#394)

Now LWIP_PLATFORM_ASSERT has been fixed we're seeing an assert for the
ping example app.
It sets the SO_RCVTIMEO socket option which is not enabled.

Fixes #308
---
 pico_w/wifi/freertos/ping/lwipopts.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pico_w/wifi/freertos/ping/lwipopts.h b/pico_w/wifi/freertos/ping/lwipopts.h
index b8983d7..051c08a 100644
--- a/pico_w/wifi/freertos/ping/lwipopts.h
+++ b/pico_w/wifi/freertos/ping/lwipopts.h
@@ -16,6 +16,10 @@
 
 // not necessary, can be done either way
 #define LWIP_TCPIP_CORE_LOCKING_INPUT 1
+
+// ping_thread sets socket receive timeout, so enable this feature
+#define LWIP_SO_RCVTIMEO 1
 #endif
 
+
 #endif