rt-thread/bsp/lpc1766/board.c

73 lines
1.5 KiB
C

/*
* 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
* 2010-02-04 Magicoe ported to LPC17xx
*/
#include <rthw.h>
#include <rtthread.h>
#include "uart.h"
#include "board.h"
#include "CMSIS/LPC17xx.h"
/**
* @addtogroup LPC17xx
*/
/*@{*/
/**
* This is the timer interrupt service routine.
*
*/
void rt_hw_timer_handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**
* This function will initial LPC17xx board.
*/
void rt_hw_board_init()
{
/* NVIC Configuration */
#define NVIC_VTOR_MASK 0x3FFFFF80
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x10000000 */
SCB->VTOR = (0x10000000 & NVIC_VTOR_MASK);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x00000000 */
SCB->VTOR = (0x00000000 & NVIC_VTOR_MASK);
#endif
/* init systick */
SysTick_Config(SystemFrequency/RT_TICK_PER_SECOND - 1);
/* set pend exception priority */
NVIC_SetPriority(PendSV_IRQn, (1<<__NVIC_PRIO_BITS) - 1);
#ifdef RT_USING_UART0
rt_hw_uart_init();
rt_console_set_device("uart0");
#endif
rt_kprintf("\r\n\r\nSystemInit......\r\n");
}
/*@}*/