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/bluedroid/osi/allocator.h

@@ -24,18 +24,6 @@
 #include "esp_heap_caps.h"
 #include "sdkconfig.h"
 
-typedef void *(*alloc_fn)(size_t size);
-typedef void (*free_fn)(void *ptr);
-
-typedef struct {
-    alloc_fn alloc;
-    free_fn  free;
-} allocator_t;
-
-// allocator_t abstractions for the osi_*alloc and osi_free functions
-extern const allocator_t allocator_malloc;
-extern const allocator_t allocator_calloc;
-
 char *osi_strdup(const char *str);
 
 void *osi_malloc_func(size_t size);

tools/sdk/include/bluedroid/osi/fixed_queue.h

@@ -22,6 +22,10 @@
 #include <stdbool.h>
 #include "osi/list.h"
 
+#ifndef QUEUE_SIZE_MAX
+#define QUEUE_SIZE_MAX                    254
+#endif
+
 struct fixed_queue_t;
 
 typedef struct fixed_queue_t fixed_queue_t;

tools/sdk/include/bluedroid/osi/thread.h

@@ -69,7 +69,7 @@ typedef enum {
 #define HCI_H4_TASK_STACK_SIZE          (2048 + BT_TASK_EXTRA_STACK_SIZE)
 #define HCI_H4_TASK_PRIO                (configMAX_PRIORITIES - 4)
 #define HCI_H4_TASK_NAME                "hciH4T"
-#define HCI_H4_QUEUE_LEN                60
+#define HCI_H4_QUEUE_LEN                1
 
 #define BTU_TASK_PINNED_TO_CORE         (TASK_PINNED_TO_CORE)
 #define BTU_TASK_STACK_SIZE             (4096 + BT_TASK_EXTRA_STACK_SIZE)