Update IDF to 3.2-3276a13 and esptool.py to 2.5.0 (#1878)

* TX Flow Control and Code cleanup

* Use semaphore instead of delay

TX functionality is done.

* Use single buffer and empty queue on exit

* Fix compile issues because of LwIP code relocation

* Add temporary header to fix Azure not compiling

* Fix AsyncUDP early init

* AsyncUDP Multicast fixes

* Add source mac address and rework multicast

* Allow redefinition of default pins for Serials 1 and 2

* Update IDF to 3276a13

* Update esptool.py to 2.5.0

* Fix sketches

* Fix log level in BluetoothSetial

tools/sdk/include/lwip/cc.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2001, Swedish Institute of Computer Science.
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+#ifndef __ARCH_CC_H__
+#define __ARCH_CC_H__
+
+#include <stdint.h>
+#include <errno.h>
+#include <assert.h>
+#include <stdio.h>
+
+#include "arch/sys_arch.h"
+
+#define BYTE_ORDER LITTLE_ENDIAN
+
+typedef uint8_t  u8_t;
+typedef int8_t   s8_t;
+typedef uint16_t u16_t;
+typedef int16_t  s16_t;
+typedef uint32_t u32_t;
+typedef int32_t  s32_t;
+
+typedef unsigned long   mem_ptr_t;
+typedef int sys_prot_t;
+
+#define S16_F "d"
+#define U16_F "d"
+#define X16_F "x"
+
+#define S32_F "d"
+#define U32_F "d"
+#define X32_F "x"
+
+#define PACK_STRUCT_FIELD(x) x
+#define PACK_STRUCT_STRUCT __attribute__((packed))
+#define PACK_STRUCT_BEGIN
+#define PACK_STRUCT_END
+
+#include <stdio.h>
+
+#define LWIP_PLATFORM_DIAG(x)   do {printf x;} while(0)
+// __assert_func is the assertion failure handler from newlib, defined in assert.h
+#define LWIP_PLATFORM_ASSERT(message) __assert_func(__FILE__, __LINE__, __ASSERT_FUNC, message)
+
+#ifdef NDEBUG
+#define LWIP_NOASSERT
+#else // Assertions enabled
+
+// If assertions are on, the default LWIP_ERROR handler behaviour is to
+// abort w/ an assertion failure. Don't do this, instead just print the error (if LWIP_DEBUG is set)
+// and run the handler (same as the LWIP_ERROR behaviour if LWIP_NOASSERT is set).
+#ifdef LWIP_DEBUG
+#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
+  puts(message); handler;}} while(0)
+#else
+// If LWIP_DEBUG is not set, return the error silently (default LWIP behaviour, also.)
+#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
+  handler;}} while(0)
+#endif // LWIP_DEBUG
+
+#endif /* NDEBUG */
+
+
+#endif /* __ARCH_CC_H__ */