/*************************************************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	: yuanguiyou
** Modified date	: 2008-5-6
** Version		: 1.01
** Descriptions	: change ADS 1.2 project to GNU ARM project.change some keyword eg.__irq,__swi
**
**************************************************************************************************************************/

#define IN_TARGET
#include "config.h"

void  IRQ_Exception(void) __attribute__((naked));  									/* GCC中断处理函数声明                       */
void  FIQ_Exception(void) __attribute__((naked));  									/*GCC中断处理函数声明                        */

/************************************************************************************************************************
** 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	:
**-----------------------------------------------------------------------------------------------------------------------------------------------------------------------
**************************************************************************************************************************/
void  IRQ_Exception(void)
{
   ISR_ENTRY();
   while(1);                                        										  /*  change it to your code 这一句替换为自己的代码*/
   ISR_EXIT(); 
}

/************************************************************************************************************************
** 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)
{
   ISR_ENTRY();
   while(1);                                         										 /* change it to your code  这一句替换为自己的代码*/
   ISR_EXIT(); 
}

/************************************************************************************************************************
** 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		: Chenxibing
** Modified date	: 2004-12-09
** Notice			: Add IntDisable() and IntEnable() Functions 
**----------------------------------------------------------------------------------------------------------------------------------------------------------------------
**************************************************************************************************************************/
void TargetInit(void)
{
   /* 添加自己的代码                                      */
   /* Add your codes here                                  */
}

#define __DEBUG_FLASH

/************************************************************************************************************************
** 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		: Chenxibing
** Modified date	: 2004-12-09
** Notice			: Add IntDisable() and IntEnable() Functions 
**----------------------------------------------------------------------------------------------------------------------------------------------------------------------
**************************************************************************************************************************/
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
********************************************************************************************************/