rt-thread/bsp/stm32l476-nucleo/drivers/board.h

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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
* Change Logs:
* Date Author Notes
* 2018-05-14 ZYH add board.h to this bsp
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*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <stm32l4xx_hal.h>
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#ifdef __ICCARM__
// Use *.icf ram symbal, to avoid hardcode.
extern char __ICFEDIT_region_RAM_end__;
#define STM32_SRAM_END &__ICFEDIT_region_RAM_end__
#else
#define STM32_SRAM_SIZE 96
#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
#endif
#if defined(__CC_ARM) || defined(__CLANG_ARM)
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extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define HEAP_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define HEAP_BEGIN (&__bss_end)
#endif
#define HEAP_END STM32_SRAM_END
extern void rt_hw_board_init(void);
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#endif