zephyr/modules/lvgl/lvgl_mem.c

63 lines
1.3 KiB
C

/*
* Copyright (c) 2018 Jan Van Winkel <jan.van_winkel@dxplore.eu>
* Copyright (c) 2020 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "lvgl_mem.h"
#include <zephyr/kernel.h>
#include <zephyr/init.h>
#include <zephyr/sys/sys_heap.h>
static char lvgl_heap_mem[CONFIG_LV_Z_MEM_POOL_SIZE] __aligned(8);
static struct sys_heap lvgl_heap;
static struct k_spinlock lvgl_heap_lock;
void *lvgl_malloc(size_t size)
{
k_spinlock_key_t key;
void *ret;
key = k_spin_lock(&lvgl_heap_lock);
ret = sys_heap_alloc(&lvgl_heap, size);
k_spin_unlock(&lvgl_heap_lock, key);
return ret;
}
void *lvgl_realloc(void *ptr, size_t size)
{
k_spinlock_key_t key;
void *ret;
key = k_spin_lock(&lvgl_heap_lock);
ret = sys_heap_realloc(&lvgl_heap, ptr, size);
k_spin_unlock(&lvgl_heap_lock, key);
return ret;
}
void lvgl_free(void *ptr)
{
k_spinlock_key_t key;
key = k_spin_lock(&lvgl_heap_lock);
sys_heap_free(&lvgl_heap, ptr);
k_spin_unlock(&lvgl_heap_lock, key);
}
void lvgl_print_heap_info(bool dump_chunks)
{
k_spinlock_key_t key;
key = k_spin_lock(&lvgl_heap_lock);
sys_heap_print_info(&lvgl_heap, dump_chunks);
k_spin_unlock(&lvgl_heap_lock, key);
}
void lvgl_heap_init(void)
{
sys_heap_init(&lvgl_heap, &lvgl_heap_mem[0], CONFIG_LV_Z_MEM_POOL_SIZE);
}