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

/*
 * Copyright (c) 2006-2018, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2018-05-14     ZYH          add board.h to this bsp
 */

#ifndef __BOARD_H__
#define __BOARD_H__

#include <stm32l4xx_hal.h>

#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)
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);

#endif