1 /*
2  * Copyright (c) 2006-2022, Synwit Technology Co.,Ltd.
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2018-05-31     ZYH          first version
9  * 2018-12-10     Zohar_Lee    format file
10  */
11 
12 #include "board.h"
13 
bsp_clock_config(void)14 static void bsp_clock_config(void)
15 {
16     SystemInit();
17     SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
18     SysTick->CTRL |= 0x00000004UL;
19 }
20 
SysTick_Handler(void)21 void SysTick_Handler(void)
22 {
23     /* enter interrupt */
24     rt_interrupt_enter();
25 
26     rt_tick_increase();
27 
28     /* leave interrupt */
29     rt_interrupt_leave();
30 }
31 
rt_hw_board_init()32 void rt_hw_board_init()
33 {
34     bsp_clock_config();
35     /* Heap initialization */
36 #ifdef RT_USING_HEAP
37     rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
38 #endif
39     /* Pin driver initialization is open by default */
40 #ifdef RT_USING_PIN
41     swm_pin_init();
42 #endif
43     /* USART driver initialization is open by default */
44 #ifdef RT_USING_SERIAL
45     swm_uart_init();
46 #endif
47     /* Set the shell console output device */
48 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
49     rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
50 #endif
51     /* Board underlying hardware initialization */
52 #ifdef RT_USING_COMPONENTS_INIT
53     rt_components_board_init();
54 #endif
55 
56 }
57