rt-thread-official/bsp/yichip/yc3121-pos/drivers/board.h

45 lines
1.1 KiB
C

/*
* Copyright (c) 2006-2021, YICHIP Technology Co.,Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-09-09 WSY first version
*/
#ifndef BOARD_H__
#define BOARD_H__
#include <rtthread.h>
#include <yc3121.h>
#include "yc_gpio.h"
#include "yc_uart.h"
#include "yc_systick.h"
#include "misc.h"
#define SRAM_BASE 0x20000
#define SRAM_SIZE 0x10000
#ifdef BSP_USING_EXT_SRAM
#define EXT_SRAM_BASE SRAMM_BASE
#define EXT_SRAM_SIZE BSP_EXT_SRAM_SIZE
#define EXT_SRAM_BEGIN EXT_SRAM_BASE
#define EXT_SRAM_END (EXT_SRAM_BASE + EXT_SRAM_SIZE)
#endif
#define SRAM_END (SRAM_BASE + SRAM_SIZE)
#if defined(__ARMCC_VERSION)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section = "HEAP"
#define HEAP_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define HEAP_BEGIN ((void *)&__bss_end)
#endif
#define HEAP_END SRAM_END
#define HEAP_SIZE (HEAP_END - (rt_uint32_t)HEAP_BEGIN)
extern void rt_hw_board_init(void);
#endif