Update IDF to 9274814 (#767)

* Update IDF to 9274814

* Fix error in i2c and Arduino

tools/sdk/include/heap/esp_heap_caps.h

@@ -276,3 +276,33 @@ void *heap_caps_realloc_prefer( void *ptr, size_t size, size_t num, ... );
  * @return A pointer to the memory allocated on success, NULL on failure
  */
 void *heap_caps_calloc_prefer( size_t n, size_t size, size_t num, ... );
+
+/**
+ * @brief Dump the full structure of all heaps with matching capabilities.
+ *
+ * Prints a large amount of output to serial (because of locking limitations,
+ * the output bypasses stdout/stderr). For each (variable sized) block
+ * in each matching heap, the following output is printed on a single line:
+ *
+ * - Block address (the data buffer returned by malloc is 4 bytes after this
+ *   if heap debugging is set to Basic, or 8 bytes otherwise).
+ * - Data size (the data size may be larger than the size requested by malloc,
+ *   either due to heap fragmentation or because of heap debugging level).
+ * - Address of next block in the heap.
+ * - If the block is free, the address of the next free block is also printed.
+ *
+ * @param caps        Bitwise OR of MALLOC_CAP_* flags indicating the type
+ *                    of memory
+ */
+void heap_caps_dump(uint32_t caps);
+
+/**
+ * @brief Dump the full structure of all heaps.
+ *
+ * Covers all registered heaps. Prints a large amount of output to serial.
+ *
+ * Output is the same as for heap_caps_dump.
+ *
+ */
+void heap_caps_dump_all();
+

tools/sdk/include/heap/multi_heap.h

@@ -91,6 +91,8 @@ multi_heap_handle_t multi_heap_register(void *start, size_t size);
  *
  * The lock argument is supplied to the MULTI_HEAP_LOCK() and MULTI_HEAP_UNLOCK() macros, defined in multi_heap_platform.h.
  *
+ * The lock in question must be recursive.
+ *
  * When the heap is first registered, the associated lock is NULL.
  *
  * @param heap Handle to a registered heap.