/* * File : board.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2006, 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://openlab.rt-thread.com/license/LICENSE * * Change Logs: * Date Author Notes * 2008-12-11 xuxinming first version */ #include #include #include #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 } /*@}*/