www.pudn.com > lpc213X_C_application.rar > target.c, change:2004-10-22,size:9032b


/****************************************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: 
**------------------------------------------------------------------------------------------------------ 
********************************************************************************************************/ 
        void __irq 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 */ 
 
} 
 
/********************************************************************************************************* 
**                  以下为一些与系统相关的库函数的实现 
**                  具体作用请ads的参考编译器与库函数手册 
**                  用户可以根据自己的要求修改         
********************************************************************************************************/ 
/********************************************************************************************************* 
**                  The implementations for some library functions 
**                  For more details, please refer to the ADS compiler handbook and The library  
**					function manual 
**                  User could change it as needed        
********************************************************************************************************/ 
#include "rt_sys.h" 
#include "stdio.h" 
 
#pragma import(__use_no_semihosting_swi) 
 
        int __rt_div0(int a) 
{ 
    a = a; 
    return 0; 
} 
 
        int fputc(int ch,FILE *f) 
{ 
    ch = ch; 
    f = f; 
    return 0; 
} 
 
    int fgetc(FILE *f) 
{ 
    f = f; 
    return 0; 
} 
 
 
        int _sys_close(FILEHANDLE fh) 
{ 
    fh = fh; 
    return 0; 
} 
 
        int _sys_write(FILEHANDLE fh, const unsigned char * buf, 
                      unsigned len, int mode) 
{ 
    fh = fh; 
    buf = buf; 
    len =len; 
    mode = mode; 
    return 0; 
} 
        int _sys_read(FILEHANDLE fh, unsigned char * buf, 
                     unsigned len, int mode) 
{ 
    fh = fh; 
    buf = buf; 
    len =len; 
    mode = mode; 
     
    return 0; 
} 
 
       void _ttywrch(int ch) 
{ 
    ch = ch; 
} 
 
        int _sys_istty(FILEHANDLE fh) 
{ 
    fh = fh; 
    return 0; 
} 
        int _sys_seek(FILEHANDLE fh, long pos) 
{ 
    fh = fh; 
    return 0; 
} 
        int _sys_ensure(FILEHANDLE fh) 
{ 
    fh = fh; 
    return 0; 
} 
 
        long _sys_flen(FILEHANDLE fh) 
{ 
    fh = fh; 
    return 0; 
} 
       int _sys_tmpnam(char * name, int sig, unsigned maxlen) 
{ 
    name = name; 
    sig = sig; 
    maxlen = maxlen; 
    return 0; 
} 
 
        void _sys_exit(int returncode) 
{ 
    returncode = returncode; 
} 
 
        char *_sys_command_string(char * cmd, int len) 
{ 
    cmd = cmd; 
    len = len; 
    return 0; 
} 
 
 
/********************************************************************************************************* 
**                            End Of File 
********************************************************************************************************/