1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first implementation
* 2013-07-12 aozima update for auto initial.
*/
#include <rthw.h>
#include <rtthread.h>
#include "nds32.h"
#include "bsp_hal.h"
#include "ae210p.h"
#include "debug.h"
//#include "uart/uart.h"
#include "uart_dev.h"
#include "board.h"
#include "rtconfig.h"
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* clean timer device pending*/
hal_timer_irq_clear(1);
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/***********************************************************
* Set timer 1 as system tick by default
***********************************************************/
void BSP_Tmr_TickInit(uint32_t tmrId, uint32_t period, uint32_t vecId, void *isr)
{
/* set tick period */
hal_timer_set_period(tmrId, period);
/* enable timer1 interrupt */
hal_timer_irq_control(tmrId, 1);
/******************************
* tick ISR init
******************************/
/* init trigger mode */
/* Set edge trigger, falling edge */
hal_intc_irq_config(vecId, 1, 0);
/* clean pending */
hal_intc_irq_clean(vecId);
/* enable timer interrupt */
hal_intc_irq_enable(vecId);
if (isr)
OS_CPU_Vector_Table[vecId] = isr;
else
DEBUG(1, 1, "Invalid tick handler!!\r\n");
/* start timer */
hal_timer_start(tmrId);
}
/*
* Setup system tick for OS required.
*/
void bsp_init(void)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
// drv_uart_init();
rt_hw_usart_init();
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
/* System tick init */
BSP_Tmr_TickInit(0x1, (MB_PCLK / RT_TICK_PER_SECOND), IRQ_SYS_TICK_VECTOR, SysTick_Handler);
}
/*@}*/
|
