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

#ifndef _BOARD_H_
#define _BOARD_H_

#include <rtthread.h>

#include "nrf.h"

#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       (0x20000000 + 64*1024)

void rt_hw_board_init(void);

#endif