blob: 956ec5c03f4c3ca93e2a74850890cf75401ba0d1 (
plain)
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
|
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2008-12-11 xuxinming first version
*/
#include <rtthread.h>
#include <rthw.h>
#include <LPC24xx.h>
#include "board.h"
#define DATA_COUNT 14400000/RT_TICK_PER_SECOND /* T0MR0 = delayInMs * (Fpclk / 1000); */
extern void rt_hw_serial_init(void);
/**
* @addtogroup LPC2478
*/
/*@{*/
void rt_timer_handler(int vector, void* param)
{
T0IR |= 0x01; /* clear interrupt flag */
rt_tick_increase();
VICVectAddr = 0; /* Acknowledge Interrupt */
}
/**
* This function will init LPC2478 board
*/
void rt_hw_board_init(void)
{
#if defined(RT_USING_DEVICE) && defined(RT_USING_UART1)
rt_hw_serial_init();
rt_console_set_device("uart1");
#endif
T0IR = 0xff;
T0TC = 0;
T0MCR = 0x03;
T0MR0 = (DATA_COUNT);
rt_hw_interrupt_install(TIMER0_INT, rt_timer_handler, RT_NULL, "tick");
rt_hw_interrupt_umask(TIMER0_INT);
T0TCR = 0x01; //enable timer0 counter
}
/*@}*/
|
