?? target.c
字號:
/****************************************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_Exception(void)
{
while(1); // change it to your code 這一句替換為自己的代碼
}
/*********************************************************************************************************
** 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 這一句替換為自己的代碼
}
/*********************************************************************************************************
** Function name: Timer0_Exception
**
** Descriptions: Timer0 interrupt service function
**
** 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 Timer0_Exception(void)
{
T0IR = 0x01;
VICVectAddr = 0; //interrupt close 通知中斷控制器中斷結(jié)束
WDFEED = 0xAA;
WDFEED = 0x55;
OSTimeTick();
}
/*********************************************************************************************************
** Function name: Timer0Init
**
** Descriptions: Initialize the Time0
**
** 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 Timer0Init(void)
{
T0IR = 0xffffffff;
T0TC = 0;
T0TCR = 0x01;
T0MCR = 0x03;
T0MR0 = (Fpclk / OS_TICKS_PER_SEC);
}
/*********************************************************************************************************
** Function name: VICInit
**
** Descriptions: Initialize the Interrupt Vevtor Controller
**
** 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 VICInit(void)
{
extern void IRQ_Handler(void);
extern void Timer0_Handler(void);
VICIntEnClr = 0xffffffff;
VICDefVectAddr = (uint32)IRQ_Handler;
VICVectAddr0 = (uint32)Timer0_Handler;
VICVectCntl0 = (0x20 | INT_TIMER0);
VICIntEnable = 1 << INT_TIMER0;
}
void EINTInit(void)
{
EXTMODE = 0x00 // 0:電平觸發(fā) 1:邊沿觸發(fā)
|(1<<0) // EINT0 使用邊沿觸發(fā)
|(1<<1) // EINT1 使用邊沿觸發(fā)
|(1<<2) // EINT2 使用邊沿觸發(fā)
|(1<<3) // EINT3 使用邊沿觸發(fā)
;
EXTPOLAR = 0x00 // 0:低電平或下降沿 1:高電平或上升沿
;
EXTINT = 0x0F; // EINT0-3清除中斷標(biāo)志
}
/*********************************************************************************************************
** 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)
{
OS_ENTER_CRITICAL();
VICInit();
Timer0Init();
OS_EXIT_CRITICAL();
}
/*********************************************************************************************************
** Function name: TargetResetInit
**
** Descriptions: Initialize the target
**
** 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
PINSEL0 = (PINSEL0 & 0xFFFF0000) | 0x05 | 0x50;
/* 設(shè)置系統(tǒng)各部分時(shí)鐘 */
/* 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;
/* 設(shè)置存儲器加速模塊 */
/* Set memory accelerater module*/
MAMCR = 0;
#if Fcclk < 20000000
MAMTIM = 1;
#else
#if Fcclk < 40000000
MAMTIM = 2;
#else
MAMTIM = 3;
#endif
#endif
MAMCR = 2;
/* 設(shè)置外設(shè) */
PCONP = 0
|(1<<PCONP_TIMER0)
|(1<<PCONP_UART0)
|(1<<PCONP_UART1)
|(1<<PCONP_I2C0)
|(1<<PCONP_CAN1)
//|(1<<PCONP_CAN2)
|(1<<PCONP_AD0);
/* P1.16--25配置成GPIO */
PINSEL2&=~(1<<3);
/* initialize VIC*/
VICIntEnClr = 0xffffffff;
VICVectAddr = 0;
VICIntSelect = 0;
T0IR = 0xffffffff;
T0TCR = 0X02;
}
/*********************************************************************************************************
** 以下為一些與系統(tǒng)相關(guān)的庫函數(shù)的實(shí)現(xiàn)
** 具體作用請ads的參考編譯器與庫函數(shù)手冊
** 用戶可以根據(jù)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
********************************************************************************************************/
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -