1 /*
2  * Copyright (c) 2006-2024, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2021-12-18     BruceOu      first implementation
9  * 2024-03-19     Evlers       remove the include of drv_usart.h
10  */
11 #ifndef __BOARD_H__
12 #define __BOARD_H__
13 
14 #include "gd32f10x.h"
15 #include "drv_gpio.h"
16 
17 #include "gd32f10x_exti.h"
18 
19 #define EXT_SDRAM_BEGIN    (0xC0000000U) /* the begining address of external SDRAM */
20 #define EXT_SDRAM_END      (EXT_SDRAM_BEGIN + (32U * 1024 * 1024)) /* the end address of external SDRAM */
21 
22 // <o> Internal SRAM memory size[Kbytes] <8-48>
23 //  <i>Default: 48
24 #ifdef __ICCARM__
25 // Use *.icf ram symbal, to avoid hardcode.
26 extern char __ICFEDIT_region_RAM_end__;
27 #define GD32_SRAM_END          &__ICFEDIT_region_RAM_end__
28 #else
29 #define GD32_SRAM_SIZE         48
30 #define GD32_SRAM_END          (0x20000000 + GD32_SRAM_SIZE * 1024)
31 #endif
32 
33 #ifdef __ARMCC_VERSION
34 extern int Image$$RW_IRAM1$$ZI$$Limit;
35 #define HEAP_BEGIN    (&Image$$RW_IRAM1$$ZI$$Limit)
36 #elif __ICCARM__
37 #pragma section="HEAP"
38 #define HEAP_BEGIN    (__segment_end("HEAP"))
39 #else
40 extern int __bss_end;
41 #define HEAP_BEGIN    (&__bss_end)
42 #endif
43 
44 #define HEAP_END          GD32_SRAM_END
45 
46 #endif
47 
48