OVMS3/OVMS.V3/main/ovms_malloc.c

107 lines
2.8 KiB
C

/*
; Project: Open Vehicle Monitor System
; Date: 14th March 2017
;
; Changes:
; 1.0 Initial release
;
; (C) 2011 Michael Stegen / Stegen Electronics
; (C) 2011-2017 Mark Webb-Johnson
; (C) 2011 Sonny Chen @ EPRO/DX
;
; 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.
*/
#include <strings.h>
#include "ovms_malloc.h"
#include "esp_heap_caps.h"
void* ExternalRamMalloc(size_t sz)
{
void* ret = heap_caps_malloc(sz, MALLOC_CAP_SPIRAM);
if (ret)
return ret;
else
return malloc(sz);
}
void* ExternalRamCalloc(size_t count, size_t size)
{
void* ret = heap_caps_malloc(count*size, MALLOC_CAP_SPIRAM);
if (ret)
{
bzero(ret, count*size);
return ret;
}
else
return calloc(count, size);
}
void* ExternalRamRealloc(void *ptr, size_t size)
{
if (!ptr)
return ExternalRamMalloc(size);
if (size == 0)
{
heap_caps_free(ptr);
return NULL;
}
void* ret = heap_caps_realloc(ptr, size, MALLOC_CAP_SPIRAM);
if (ret)
return ret;
else
return realloc(ptr, size);
}
void* InternalRamMalloc(size_t sz)
{
void* ret = heap_caps_malloc(sz, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (ret)
return ret;
else
return malloc(sz);
}
void* InternalRamCalloc(size_t count, size_t size)
{
void* ret = heap_caps_malloc(count*size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (ret)
{
bzero(ret, count*size);
return ret;
}
else
return calloc(count, size);
}
void* InternalRamRealloc(void *ptr, size_t size)
{
if (!ptr)
return InternalRamMalloc(size);
if (size == 0)
{
heap_caps_free(ptr);
return NULL;
}
void* ret = heap_caps_realloc(ptr, size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
if (ret)
return ret;
else
return realloc(ptr, size);
}