rt-thread/bsp/stm32f40x/drivers/board.h

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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
* Change Logs:
* Date Author Notes
* 2009-09-22 Bernard add board.h to this bsp
*/
// <<< Use Configuration Wizard in Context Menu >>>
#ifndef __BOARD_H__
#define __BOARD_H__
#include <stm32f4xx.h>
/* board configuration */
// <o> SDCard Driver <1=>SDIO sdcard <0=>SPI MMC card
// <i>Default: 1
#define STM32_USE_SDIO 0
/* whether use board external SRAM memory */
// <e>Use external SRAM memory on the board
// <i>Enable External SRAM memory
#define STM32_EXT_SRAM 0
// <o>Begin Address of External SRAM
// <i>Default: 0x68000000
#define STM32_EXT_SRAM_BEGIN 0x68000000 /* the begining address of external SRAM */
// <o>End Address of External SRAM
// <i>Default: 0x68080000
#define STM32_EXT_SRAM_END 0x68080000 /* the end address of external SRAM */
// </e>
// <o> Internal SRAM memory size[Kbytes] <8-64>
// <i>Default: 64
#ifdef __ICCARM__
// Use *.icf ram symbal, to avoid hardcode.
extern char __ICFEDIT_region_RAM_end__;
#define STM32_SRAM_END &__ICFEDIT_region_RAM_end__
#else
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#define STM32_SRAM_SIZE 128
#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
#endif
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#if defined(__CC_ARM) || defined(__CLANG_ARM)
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define STM32_SRAM_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
#elif __ICCARM__
#pragma section="HEAP"
#define STM32_SRAM_BEGIN (__segment_end("HEAP"))
#else
extern int __bss_end;
#define STM32_SRAM_BEGIN (&__bss_end)
#endif
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void rt_hw_board_init(void);
#endif
// <<< Use Configuration Wizard in Context Menu >>>