rt-thread-official/bsp/at32/at32f407-start/board/board.h

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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-01-15 shelton first version
*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <at32f4xx.h>
#include "at32_msp.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Internal SRAM memory size[Kbytes] <96>, Default: 96*/
#define AT32_SRAM_SIZE 96
#define AT32_SRAM_END (0x20000000 + AT32_SRAM_SIZE * 1024)
#if defined(__CC_ARM) || defined(__CLANG_ARM)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="CSTACK"
#define HEAP_BEGIN (__segment_end("CSTACK"))
#else
extern int __bss_end;
#define HEAP_BEGIN ((void *)&__bss_end)
#endif
#define HEAP_END AT32_SRAM_END
#ifdef __cplusplus
}
#endif
#endif /* __BOARD_H__ */