/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			target.c
** Last modified Date:	2004-09-17
** Last Version:			1.0
** Descriptions:			header file of the specific codes for LPC2100 target boards
**					Every project should include a copy of this file, user may modify it as needed
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-02-02
** Version:			1.0
** Descriptions:			The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			Chenmingji
** Modified date:		2004-09-17
** Version:			1.01
** Descriptions:			Renewed the template, added more compiler supports 
**
**------------------------------------------------------------------------------------------------------
** Modified by: 
** Modified date:
** Version:	
** Descriptions: 
**
********************************************************************************************************/

#define IN_TARGET
#include "config.h"

/*********************************************************************************************************
** Function name:		IRQ_Exception
**
** Descriptions:			interrupt exceptional handler , change it as needed
**
** input parameters:		None
** Returned value:		None
**         
** Used global variables:	None
** Calling modules:		None
**
** Created by:			Chenmingji
** Created Date:		2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
__irq __arm void  IRQ_Exception(void)
{
    while (1);                  				//  change it to your code 这一句替换为自己的代码
}

/*********************************************************************************************************
** Function name:		FIQ_Exception
**
** Descriptions:			Fast interrupt exceptional handler , change it as needed
**
** input parameters:		None
** Returned value:		None
**         
** Used global variables:	None
** Calling modules:		None
**
** Created by:			Chenmingji
** Created Date:		2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void FIQ_Exception(void)
{
    while (1);                  				// change it to your code  这一句替换为自己的代码
}

/*********************************************************************************************************
** Function name:		TargetInit
**
** Descriptions:			Initialize the target board; it is called in a necessary place, change it as 
**					needed
**
** input parameters:		None
** Returned value:		None
**         
** Used global variables:	None
** Calling modules:		None
**
** Created by:			Chenmingji
** Created Date:		2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void TargetInit(void)
{
    /* 添加自己的代码 */
    /* Add your codes here */
}

/*********************************************************************************************************
** Function name:		TargetResetInit
**
** Descriptions:			Initialize the target board before running the main() function; User may
**					change it as needed, but may not deleted it.
**
** input parameters:		None
** Returned value:		None
**         
** Used global variables:	None
** Calling modules:		None
**
** Created by:			Chenmingji
** Created Date:		2004/02/02
**-------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
**------------------------------------------------------------------------------------------------------
********************************************************************************************************/
void TargetResetInit(void)
{
#ifdef __DEBUG_RAM
    MEMMAP = 0x2;                   //remap
#endif

#ifdef __DEBUG_FLASH
    MEMMAP = 0x1;                   //remap
#endif

#ifdef __IN_CHIP
    MEMMAP = 0x1;                   //remap
#endif

    /* 设置系统各部分时钟 */
    /* Set system timers for each component */
    PLLCON = 1;
#if (Fpclk / (Fcclk / 4)) == 1
    VPBDIV = 0;
#endif
#if (Fpclk / (Fcclk / 4)) == 2
    VPBDIV = 2;
#endif
#if (Fpclk / (Fcclk / 4)) == 4
    VPBDIV = 1;
#endif

#if (Fcco / Fcclk) == 2
    PLLCFG = ((Fcclk / Fosc) - 1) | (0 << 5);
#endif
#if (Fcco / Fcclk) == 4
    PLLCFG = ((Fcclk / Fosc) - 1) | (1 << 5);
#endif
#if (Fcco / Fcclk) == 8
    PLLCFG = ((Fcclk / Fosc) - 1) | (2 << 5);
#endif
#if (Fcco / Fcclk) == 16
    PLLCFG = ((Fcclk / Fosc) - 1) | (3 << 5);
#endif
    PLLFEED = 0xaa;
    PLLFEED = 0x55;
    while ((PLLSTAT & (1 << 10)) == 0);
    PLLCON = 3;
    PLLFEED = 0xaa;
    PLLFEED = 0x55;

    /* 设置存储器加速模块 */
    /* Set memory accelerater module*/
    MAMCR = 0;
#if Fcclk < 20000000
    MAMTIM = 1;
#else
#if Fcclk < 40000000
    MAMTIM = 2;
#else
    MAMTIM = 3;
#endif
#endif
    MAMCR = 2;

    /* 初始化VIC */
    /* initialize VIC*/
    VICIntEnClr = 0xffffffff;
    VICVectAddr = 0;
    VICIntSelect = 0;

    /* 添加自己的代码 */
    /* Add your codes here */

}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/