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