1 /*
2  * Copyright (c) 2006-2021, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2018-11-5      SummerGift   first version
9  * 2019-04-24     yangjie      Use the end of ZI as HEAP_BEGIN
10  */
11 
12 #ifndef __BOARD_H__
13 #define __BOARD_H__
14 
15 #include <stm32f4xx.h>
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 #define STM32_FLASH_START_ADRESS       ((uint32_t)0x08000000)
22 #define STM32_FLASH_SIZE               (2048 * 1024)
23 #define STM32_FLASH_END_ADDRESS        ((uint32_t)(STM32_FLASH_START_ADRESS + STM32_FLASH_SIZE))
24 
25 #define STM32_SRAM1_SIZE               (192)
26 #define STM32_SRAM1_START              (0x20000000)
27 #define STM32_SRAM1_END                (STM32_SRAM1_START + STM32_SRAM1_SIZE * 1024)
28 
29 #if defined(__ARMCC_VERSION)
30 extern int Image$$RW_IRAM1$$ZI$$Limit;
31 #define HEAP_BEGIN      ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
32 #elif __ICCARM__
33 #pragma section="CSTACK"
34 #define HEAP_BEGIN      (__segment_end("CSTACK"))
35 #else
36 extern int __bss_end;
37 #define HEAP_BEGIN      ((void *)&__bss_end)
38 #endif
39 
40 #define HEAP_END                       STM32_SRAM1_END
41 
42 void SystemClock_Config(void);
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 
48 #endif
49 
50