add HIMEM debugging tools (check free size, and memory test) (#1852)

* Update defines.h

* Update esp_sys.h

* Update esp_sys.cpp

* Add files via upload

* Update perfmon.c

* Update main.cpp

* Update main.cpp

* Delete himem_memory_check.c

* Add files via upload

* Update defines.h

* Update himem_memory_check.cpp

* Update main.cpp

* Update himem_memory_check.cpp

* Update himem_memory_check.h

* Update main.cpp

code/components/jomjol_helper/himem_memory_check.h

@@ -0,0 +1,41 @@
+
+// need [env:esp32cam-dev-himem]
+//CONFIG_SPIRAM_BANKSWITCH_ENABLE=y
+//CONFIG_SPIRAM_BANKSWITCH_RESERVE=4
+
+#pragma once
+
+#include "../../include/defines.h"
+
+#ifdef DEBUG_HIMEM_MEMORY_CHECK
+
+#ifndef HIMEM_MEMORY_CHECK_H
+#define HIMEM_MEMORY_CHECK_H
+
+
+
+//source : //source : https://github.com/espressif/esp-idf/blob/master/examples/system/himem/main/himem_example_main.c
+
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/queue.h"
+#include "esp_system.h"
+#include "esp_heap_caps.h"
+#include "esp32/himem.h"
+
+#include <string>
+#include "esp32/himem.h"
+
+
+std::string himem_memory_check();
+
+#endif //HIMEM_MEMORY_CHECK_H
+
+#endif // DEBUG_HIMEM_MEMORY_CHECK