From 4958690d9e41253352a1fe5b2031fc0fc5c8f1e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kuba=20Szczodrzy=C5=84ski?= <kuba@szczodrzynski.pl>
Date: Wed, 31 Aug 2022 22:38:07 +0200
Subject: [PATCH] [core] Make lwIP debugging configurable

---
 arduino/libretuya/core/LibreTuyaConfig.h |  8 ++++
 platform/common/config/lwipopts.h        | 57 ++++++++++++++++++++++++
 2 files changed, 65 insertions(+)

diff --git a/arduino/libretuya/core/LibreTuyaConfig.h b/arduino/libretuya/core/LibreTuyaConfig.h
index 9c0f4ef..a8fa9eb 100644
--- a/arduino/libretuya/core/LibreTuyaConfig.h
+++ b/arduino/libretuya/core/LibreTuyaConfig.h
@@ -107,3 +107,11 @@
 #ifndef LT_DEBUG_MDNS
 #define LT_DEBUG_MDNS 0
 #endif
+
+#ifndef LT_DEBUG_LWIP
+#define LT_DEBUG_LWIP 0
+#endif
+
+#ifndef LT_DEBUG_LWIP_ASSERT
+#define LT_DEBUG_LWIP_ASSERT 0
+#endif
diff --git a/platform/common/config/lwipopts.h b/platform/common/config/lwipopts.h
index 76f79b3..b787bae 100644
--- a/platform/common/config/lwipopts.h
+++ b/platform/common/config/lwipopts.h
@@ -1,5 +1,7 @@
 /* Copyright (c) Kuba Szczodrzyński 2022-08-26. */
 
+#include <LibreTuyaConfig.h>
+
 #define LWIP_TIMEVAL_PRIVATE 0
 #define LWIP_NETIF_HOSTNAME	 1 // to support hostname changing
 #define LWIP_SO_RCVBUF		 1 // for ioctl(FIONREAD)
@@ -8,3 +10,58 @@
 #define MDNS_MAX_SERVICES	10
 
 #include_next "lwipopts.h"
+
+// set lwIP debugging options according to LT config
+#if LT_DEBUG_LWIP
+#undef LWIP_DEBUG
+#define LWIP_DEBUG 1
+// make lwIP use printf() library
+#include <stdio.h>
+#undef LWIP_PLATFORM_DIAG
+// clang-format off
+#define LWIP_PLATFORM_DIAG(x) do { printf x; } while (0)
+// clang-format on
+#endif
+
+#if LT_DEBUG_LWIP_ASSERT
+#undef LWIP_NOASSERT
+#undef LWIP_PLATFORM_ASSERT
+// clang-format off
+#define LWIP_PLATFORM_ASSERT(x) do { printf("ASSERT \"%s\" - %s:%d\n", x, __FILE__, __LINE__); while (1) {}; } while (0)
+// clang-format on
+#endif
+
+// remove family-defined debugging options (use lwIP defaults, or user-defined)
+#undef ETHARP_DEBUG
+#undef NETIF_DEBUG
+#undef PBUF_DEBUG
+#undef API_LIB_DEBUG
+#undef API_MSG_DEBUG
+#undef SOCKETS_DEBUG
+#undef ICMP_DEBUG
+#undef IGMP_DEBUG
+#undef INET_DEBUG
+#undef IP_DEBUG
+#undef IP_REASS_DEBUG
+#undef RAW_DEBUG
+#undef MEM_DEBUG
+#undef MEMP_DEBUG
+#undef SYS_DEBUG
+#undef TIMERS_DEBUG
+#undef TCP_DEBUG
+#undef TCP_INPUT_DEBUG
+#undef TCP_FR_DEBUG
+#undef TCP_RTO_DEBUG
+#undef TCP_CWND_DEBUG
+#undef TCP_WND_DEBUG
+#undef TCP_OUTPUT_DEBUG
+#undef TCP_RST_DEBUG
+#undef TCP_QLEN_DEBUG
+#undef UDP_DEBUG
+#undef TCPIP_DEBUG
+#undef SLIP_DEBUG
+#undef DHCP_DEBUG
+#undef AUTOIP_DEBUG
+#undef DNS_DEBUG
+#undef IP6_DEBUG
+#undef MDNS_DEBUG