42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* File : board.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-09-22 Bernard add board.h to this bsp
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*/
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#ifndef __BOARD_H__
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#define __BOARD_H__
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#include "stm32f7xx_hal.h"
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/* whether use board external SDRAM memory */
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#define EXT_SDRAM_BEGIN (0xC0000000)
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#define EXT_SDRAM_SIZE (0x800000)
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#define EXT_SDRAM_END (EXT_SDRAM_BEGIN + EXT_SDRAM_SIZE)
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#ifdef __CC_ARM
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#define HEAP_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
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#elif __ICCARM__
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#pragma section="HEAP"
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#define HEAP_BEGIN (__segment_end("HEAP"))
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#else
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extern int __bss_end;
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#define HEAP_BEGIN (&__bss_end)
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#endif
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#define STM32_SRAM_SIZE (512)
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#define HEAP_END (0x20000000 + STM32_SRAM_SIZE * 1024)
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#define HEAP_SIZE (HEAP_END - (rt_uint32_t)HEAP_BEGIN)
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extern void rt_hw_board_init(void);
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#endif
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