rt-thread-official/bsp/nrf5x/nrf52840/board/board.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2020-06-19     supperthomas first version
 *
 */
#ifndef _BOARD_H_
#define _BOARD_H_

#include <rtthread.h>
#include <rthw.h>
#include "nrf.h"

#define MCU_FLASH_SIZE MCU_FLASH_SIZE_KB*1024
#define MCU_FLASH_END_ADDRESS        ((uint32_t)(MCU_FLASH_START_ADDRESS + MCU_FLASH_SIZE))
#define MCU_SRAM_SIZE MCU_SRAM_SIZE_KB*1024
#define MCU_SRAM_END_ADDRESS        (MCU_SRAM_START_ADDRESS + MCU_SRAM_SIZE)

#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       (MCU_SRAM_END_ADDRESS)

void rt_hw_board_init(void);

#endif