rt-thread/bsp/fh8620/drivers/dma_mem.h

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/*
* This file is part of FH8620 BSP for RT-Thread distribution.
*
* Copyright (c) 2016 Shanghai Fullhan Microelectronics Co., Ltd.
* All rights reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Visit http://www.fullhan.com to get contact with Fullhan.
*
* Change Logs:
* Date Author Notes
*/
#ifndef DMA_MEM_H_
#define DMA_MEM_H_
#ifndef RT_USING_MEMHEAP
#define RT_USING_MEMHEAP
#endif
#include <rtthread.h>
/****************************************************************************
* #include section
* add #include here if any
***************************************************************************/
/****************************************************************************
* #define section
* add constant #define here if any
***************************************************************************/
/****************************************************************************
* ADT section
* add Abstract Data Type definition here
***************************************************************************/
/****************************************************************************
* extern variable declaration section
***************************************************************************/
/****************************************************************************
* section
* add function prototype here if any
***************************************************************************/
#ifdef RT_USING_DMA_MEM
rt_err_t fh_dma_mem_init(rt_uint32_t *mem_start,rt_uint32_t size);
void *fh_dma_mem_malloc(rt_uint32_t size);
void fh_dma_mem_free(void *ptr);
/********************************End Of File********************************/
#endif
#endif