参考代码

sal/esp32s3/kernel/os_heap.c

@@ -0,0 +1,46 @@
+#include "os/os.h"
+#include "os_util.h"
+#include "portable.h"
+#include <string.h>
+
+void *os_malloc(size_t size)
+{
+    return pvPortMalloc(size);
+}
+
+void *os_calloc(size_t size)
+{
+    void *ret = os_malloc(size);
+    if (ret)
+    {
+        memset(ret, 0, size);
+    }
+    return ret;
+}
+
+void *os_realloc(void *p, size_t size)
+{
+#if (configSTACK_ALLOCATION_FROM_SEPARATE_HEAP == 1)
+    return realloc(p, size);
+#else
+    OS_DBG("%s() fail @ %d function not support!\r\n", __func__, __LINE__);
+    return NULL;
+#endif
+}
+
+void os_free(void *p)
+{
+    vPortFree(p);
+}
+
+void os_heap_info(size_t *used_size, size_t *free_size, size_t *max_block_size)
+{
+    if (max_block_size)
+    {
+        *max_block_size = 0;
+    }
+    if (used_size)
+        *used_size = 0;
+    if (free_size)
+        *free_size = xPortGetFreeHeapSize();
+}