1 /*
2  * Copyright (C) 2021, Huada Semiconductor Co., Ltd.
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2021-08-19     pjq          first version
9  */
10 
11 #ifndef __BOARD_H__
12 #define __BOARD_H__
13 
14 #include <rtthread.h>
15 #include "ddl.h"
16 #include "gpio.h"
17 #include "drv_gpio.h"
18 
19 /* board configuration */
20 #define SRAM_BASE 0x20000000
21 #define SRAM_SIZE 0x2000
22 #define SRAM_END (SRAM_BASE + SRAM_SIZE)
23 
24 /* High speed sram. */
25 #ifdef __CC_ARM
26 extern int Image$$RW_IRAM1$$ZI$$Limit;
27 #define HEAP_BEGIN              (&Image$$RW_IRAM1$$ZI$$Limit)
28 #elif __ICCARM__
29 #pragma section="CSTACK"
30 #define HEAP_BEGIN              (__segment_end("CSTACK"))
31 #else
32 extern int __bss_end;
33 #define HEAP_BEGIN              (&__bss_end)
34 #endif
35 
36 #ifdef __ICCARM__
37 #define HEAP_END                SRAM_END
38 #else
39 #define HEAP_END                SRAM_END
40 #endif
41 
42 void rt_hw_board_init(void);
43 void rt_hw_us_delay(rt_uint32_t us);
44 
45 #endif
46 
47 // <<< Use Configuration Wizard in Context Menu >>>
48