rt-thread-official/bsp/stm32/stm32l452-st-nucleo/board/board.h

50 lines
1.2 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-11-5 SummerGift first version
* 2019-04-24 yangjie Use the end of ZI as HEAP_BEGIN
*/
#ifndef __BOARD_H__
#define __BOARD_H__
#include <stm32l4xx.h>
#ifdef __cplusplus
extern "C" {
#endif
#define STM32_FLASH_START_ADRESS ((uint32_t)0x08000000)
#define STM32_FLASH_SIZE (512 * 1024)
#define STM32_FLASH_END_ADDRESS ((uint32_t)(STM32_FLASH_START_ADRESS + STM32_FLASH_SIZE))
#define STM32_SRAM1_SIZE (128)
#define STM32_SRAM1_START (0x20000000)
#define STM32_SRAM1_END (STM32_SRAM1_START + STM32_SRAM1_SIZE * 1024)
#if defined(__ARMCC_VERSION)
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 STM32_SRAM1_END
void SystemClock_Config(void);
#ifdef __cplusplus
}
#endif
#endif