73 lines
1.5 KiB
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");
|
|
}
|
|
|
|
/*@}*/
|