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  * 2014-07-13     xiaonong      for LPC43xx
10  */
11 
12 #include <rthw.h>
13 #include <rtthread.h>
14 
15 #include "board.h"
16 
17 extern int rt_application_init(void);
18 
19 /**
20  * This function will startup RT-Thread RTOS.
21  */
rtthread_startup(void)22 void rtthread_startup(void)
23 {
24     /* initialize board */
25     rt_hw_board_init();
26 
27     /* show version */
28     rt_show_version();
29 
30 #ifdef RT_USING_HEAP
31 #if LPC_EXT_SDRAM
32     rt_system_heap_init((void *)LPC_EXT_SDRAM_BEGIN, (void *)LPC_EXT_SDRAM_END);
33     sram_init();
34 #else
35     rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
36 #endif
37 #endif
38 
39     /* initialize scheduler system */
40     rt_system_scheduler_init();
41 
42     /* initialize system timer*/
43     rt_system_timer_init();
44 
45     /* initialize application */
46     rt_application_init();
47 
48     /* initialize timer thread */
49     rt_system_timer_thread_init();
50 
51     /* initialize idle thread */
52     rt_thread_idle_init();
53 
54     /* start scheduler */
55     rt_system_scheduler_start();
56 
57     /* never reach here */
58     return ;
59 }
60 
main(void)61 int main(void)
62 {
63     /* disable interrupt first */
64     rt_hw_interrupt_disable();
65 
66     /* startup RT-Thread RTOS */
67     rtthread_startup();
68 
69     return 0;
70 }
71