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  * 2009-01-05     Bernard      first implementation
9  * 2010-03-04     Magicoe      for LPC17xx
10  */
11 
12 #include <rthw.h>
13 #include <rtthread.h>
14 
15 /**
16  * @addtogroup LPC176x
17  */
18 
19 /*@{*/
20 #include <board.h>
21 extern int rt_application_init(void);
22 
23 #ifdef __CC_ARM
24 extern int Image$$RW_IRAM1$$ZI$$Limit;
25 #elif __ICCARM__
26 #pragma section="HEAP"
27 #else
28 extern int __bss_end;
29 #endif
30 
31 /**
32  * This function will startup RT-Thread RTOS.
33  */
rtthread_startup(void)34 void rtthread_startup(void)
35 {
36     /* initialize board */
37     rt_hw_board_init();
38 
39     /* show version */
40     rt_show_version();
41 
42 #ifdef RT_USING_HEAP
43     /* initialize memory system */
44     #ifdef __CC_ARM
45         rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x10008000);
46     #elif __ICCARM__
47         rt_system_heap_init(__segment_end("HEAP"), (void*)0x10008000);
48     #else
49         rt_system_heap_init((void*)&__bss_end, (void*)0x10008000);
50     #endif
51 #endif
52 
53     /* initialize scheduler system */
54     rt_system_scheduler_init();
55 
56     /* initialize application */
57     rt_application_init();
58 
59     /* initialize timer */
60     rt_system_timer_init();
61 
62     /* initialize timer thread */
63     rt_system_timer_thread_init();
64 
65     /* initialize idle thread */
66     rt_thread_idle_init();
67 
68     /* start scheduler */
69     rt_system_scheduler_start();
70 
71     /* never reach here */
72     return ;
73 }
74 
main(void)75 int main(void)
76 {
77     /* disable interrupt first */
78     rt_hw_interrupt_disable();
79 
80     /* startup RT-Thread RTOS */
81     rtthread_startup();
82 
83     return 0;
84 }
85 
86 /*@}*/
87