target.c

lm3s下lwip的udp

/****************************************Copyright (c)****************************************************
**                               Guangzhou ZHIYUAN electronics Co.,LTD.
**                                     
**                                 http://www.embedtools.com
**
**--------------File Info---------------------------------------------------------------------------------
** File Name:               Target.c
** Last modified Date:      2008.8.25
** Last Version:            v1.0
** Description:             Initialization of the target board 目标板初始化
** 
**--------------------------------------------------------------------------------------------------------
** Created By:              任海波
** Created date:            2008.8.25
** Version:                 v1.0
** Descriptions:            The original version 初始版本
**                     
*********************************************************************************************************/

#include <includes.h>


/*********************************************************************************************************
** Function name:           SysTickIntHandler	   
** Descriptions:            系统时钟的中断服务程序	
** input parameters:        无
** output parameters:       无      
** Returned value:          0	 
** Created by:		    任海波
** Created Date:	    2008.8.28
**--------------------------------------------------------------------------------------------------------
** Modified by:         
** Modified date:         
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void SysTickIntHandler(void)
{
    lwIPTimer(SYSTICKMS);   /* 调用LWIP定时器事件处理*/
}

/*********************************************************************************************************
** Function name:       targetInit
** Descriptions:        Initialize the target board 初始化目标板
** Input parameters:    None 无
** Output parameters:   None 无
** Returned value:      None 无        
** Created by:	       任海波
** Created Date:       2008.7.16
**--------------------------------------------------------------------------------------------------------
** Modified by:             
** Modified date:           
**--------------------------------------------------------------------------------------------------------
*********************************************************************************************************/
void  targetInit(void)
{
    #if PLL_EN == 0                                                     /*  Not use PLL  不使用PLL      */ 
        SysCtlClockSet(CCLK_DIV | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | EXT_CLK); 
                                                                        /*  System clock=               */
                                                                        /*  EXT_CLK/CCLK_DIV            */
                                                                        /*  系统时钟=EXT_CLK/CCLK_DIV   */ 

    #else                                                               /*  Use PLL  使用PLL            */  
        SysCtlClockSet(CCLK_DIV | SYSCTL_USE_PLL | SYSCTL_OSC_MAIN | EXT_CLK); 
                                                                        /*  System clock=200MHz/CCLK_DIV*/
                                                                        /*  系统时钟=200MHz/CCLK_DIV    */ 
    #endif
        
    SysTickPeriodSet(SysCtlClockGet() / SYSTICKHZ);
    SysTickEnable();
    SysTickIntEnable();
 
    /*
     *  Add you initialization code here.
     *  在这里加入你的初始化代码。
     */    
}


/*********************************************************************************************************
  END FILE 
*********************************************************************************************************/