Ethernet for Nucleo and Disco board STM32F746 works with gcc and arm. IAC is untested

Fork of F7_Ethernet by Dieter Graef

Revision:
2:11660e6c9d7a
Parent:
0:d26c1b55cfca
diff -r 28ba13dd96f7 -r 11660e6c9d7a lwip/api/sockets.c
--- a/lwip/api/sockets.c	Thu Jun 23 09:04:23 2016 +0000
+++ b/lwip/api/sockets.c	Sun Aug 20 17:01:43 2017 +0000
@@ -160,7 +160,7 @@
 
 #ifdef ERRNO
 #if defined(TOOLCHAIN_ARM_STD)
-static int errno;
+static int errno=0;
 #endif
 #ifndef set_errno
 #define set_errno(err) errno = (err)