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/expat/expat_external.h

@@ -1,5 +1,33 @@
-/* Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd
-   See the file COPYING for copying permission.
+/*
+                            __  __            _
+                         ___\ \/ /_ __   __ _| |_
+                        / _ \\  /| '_ \ / _` | __|
+                       |  __//  \| |_) | (_| | |_
+                        \___/_/\_\ .__/ \__,_|\__|
+                                 |_| XML parser
+
+   Copyright (c) 1997-2000 Thai Open Source Software Center Ltd
+   Copyright (c) 2000-2017 Expat development team
+   Licensed under the MIT license:
+
+   Permission is  hereby granted,  free of charge,  to any  person obtaining
+   a  copy  of  this  software   and  associated  documentation  files  (the
+   "Software"),  to  deal in  the  Software  without restriction,  including
+   without  limitation the  rights  to use,  copy,  modify, merge,  publish,
+   distribute, sublicense, and/or sell copies of the Software, and to permit
+   persons  to whom  the Software  is  furnished to  do so,  subject to  the
+   following conditions:
+
+   The above copyright  notice and this permission notice  shall be included
+   in all copies or substantial portions of the Software.
+
+   THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
+   EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+   NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+   DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
+   OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+   USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
 #ifndef Expat_External_INCLUDED
@@ -8,7 +36,7 @@
 /* External API definitions */
 
 #if defined(_MSC_EXTENSIONS) && !defined(__BEOS__) && !defined(__CYGWIN__)
-#define XML_USE_MSC_EXTENSIONS 1
+# define XML_USE_MSC_EXTENSIONS 1
 #endif
 
 /* Expat tries very hard to make the API boundary very specifically
@@ -34,11 +62,11 @@
    system headers may assume the cdecl convention.
 */
 #ifndef XMLCALL
-#if defined(_MSC_VER)
-#define XMLCALL __cdecl
-#elif defined(__GNUC__) && defined(__i386) && !defined(__INTEL_COMPILER)
-#define XMLCALL __attribute__((cdecl))
-#else
+# if defined(_MSC_VER)
+#  define XMLCALL __cdecl
+# elif defined(__GNUC__) && defined(__i386) && !defined(__INTEL_COMPILER)
+#  define XMLCALL __attribute__((cdecl))
+# else
 /* For any platform which uses this definition and supports more than
    one calling convention, we need to extend this definition to
    declare the convention used on that platform, if it's possible to
@@ -49,41 +77,41 @@
    pre-processor and how to specify the same calling convention as the
    platform's malloc() implementation.
 */
-#define XMLCALL
-#endif
+#  define XMLCALL
+# endif
 #endif  /* not defined XMLCALL */
 
 
 #if !defined(XML_STATIC) && !defined(XMLIMPORT)
-#ifndef XML_BUILDING_EXPAT
+# ifndef XML_BUILDING_EXPAT
 /* using Expat from an application */
 
-#ifdef XML_USE_MSC_EXTENSIONS
-#define XMLIMPORT __declspec(dllimport)
-#endif
+#  ifdef XML_USE_MSC_EXTENSIONS
+#   define XMLIMPORT __declspec(dllimport)
+#  endif
 
-#endif
+# endif
 #endif  /* not defined XML_STATIC */
 
 #if !defined(XMLIMPORT) && defined(__GNUC__) && (__GNUC__ >= 4)
-#define XMLIMPORT __attribute__ ((visibility ("default")))
+# define XMLIMPORT __attribute__ ((visibility ("default")))
 #endif
 
 /* If we didn't define it above, define it away: */
 #ifndef XMLIMPORT
-#define XMLIMPORT
+# define XMLIMPORT
 #endif
 
 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96))
-#define XML_ATTR_MALLOC __attribute__((__malloc__))
+# define XML_ATTR_MALLOC __attribute__((__malloc__))
 #else
-#define XML_ATTR_MALLOC
+# define XML_ATTR_MALLOC
 #endif
 
 #if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
-#define XML_ATTR_ALLOC_SIZE(x)  __attribute__((__alloc_size__(x)))
+# define XML_ATTR_ALLOC_SIZE(x)  __attribute__((__alloc_size__(x)))
 #else
-#define XML_ATTR_ALLOC_SIZE(x)
+# define XML_ATTR_ALLOC_SIZE(x)
 #endif
 
 #define XMLPARSEAPI(type) XMLIMPORT type XMLCALL
@@ -93,30 +121,35 @@ extern "C" {
 #endif
 
 #ifdef XML_UNICODE_WCHAR_T
-#define XML_UNICODE
+# ifndef XML_UNICODE
+#  define XML_UNICODE
+# endif
+# if defined(__SIZEOF_WCHAR_T__) && (__SIZEOF_WCHAR_T__ != 2)
+#  error "sizeof(wchar_t) != 2; Need -fshort-wchar for both Expat and libc"
+# endif
 #endif
 
 #ifdef XML_UNICODE     /* Information is UTF-16 encoded. */
-#ifdef XML_UNICODE_WCHAR_T
+# ifdef XML_UNICODE_WCHAR_T
 typedef wchar_t XML_Char;
 typedef wchar_t XML_LChar;
-#else
+# else
 typedef unsigned short XML_Char;
 typedef char XML_LChar;
-#endif /* XML_UNICODE_WCHAR_T */
+# endif /* XML_UNICODE_WCHAR_T */
 #else                  /* Information is UTF-8 encoded. */
 typedef char XML_Char;
 typedef char XML_LChar;
 #endif /* XML_UNICODE */
 
 #ifdef XML_LARGE_SIZE  /* Use large integers for file/stream positions. */
-#if defined(XML_USE_MSC_EXTENSIONS) && _MSC_VER < 1400
+# if defined(XML_USE_MSC_EXTENSIONS) && _MSC_VER < 1400
 typedef __int64 XML_Index; 
 typedef unsigned __int64 XML_Size;
-#else
+# else
 typedef long long XML_Index;
 typedef unsigned long long XML_Size;
-#endif
+# endif
 #else
 typedef long XML_Index;
 typedef unsigned long XML_Size;