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📄 target.bak

📁 基于ARM7处理器的中断与串口在ucos下切换的演示程序
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/****************************************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"

extern char RcvSendBuf[];

/*********************************************************************************************************
** 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  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:			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 通知中断控制器中断结束
    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);
 }

*/

void Eint0_Exception(void)
{
	uint32 i;
	uint8  tempchar;
	 #define 	BEEP  	1 << 7			/* P0.7控制蜂鸣器 */
	
	i = IO0SET;						/* 读取当前BEEP的控制值		*/
	if ((i & BEEP) == 0)
		IO0SET = BEEP;
	else
		IO0CLR = BEEP;


	EXTINT = 0x01;
	tempchar = ((IO0PIN & 0x00600000) >> 21)|  //P0.22 P0.21
              ((IO1PIN & 0x00040000) >> 16)|  //P1.18
              ((IO0PIN & 0x0E000000) >> 22)|  //P0.27 P0.26 P0.25
              ((IO1PIN & 0x00020000) >> 11)|  //P1.17
              ((IO0PIN & 0x10000000) >> 21);   //P0.28

	QueueWrite((void *)RcvSendBuf, tempchar);
	
	VICVectAddr = 0; 
	
	/* 	等待外部中断信号恢复为高电平
	 	若信号保持为低电平,中断标志会一直置位。*/
	//while ((EXTINT & 0x01) != 0)
	//{
		EXTINT = 0x01;				/* 清除EINT0中断标志		*/
	//}
	
	VICVectAddr = 0;				/* 向量中断结束				*/
}

void EInt0Init(void)
{
    PINSEL1 = (PINSEL1 & 0xFFFFFFFC)|0x00000001; //P0.16 Eint0
    EXTMODE = (EXTMODE & 0xFFFFFFFE)|0x01;
	EXTPOLAR = (EXTPOLAR & 0xFFFFFFFE) | 0x01;
}
/*********************************************************************************************************
** 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);
    extern void Eint0_Handler(void);
	extern void Uart0_Handler(void);
	extern void Uart1_Handler(void);

    VICIntEnClr = 0xffffffff;
    VICDefVectAddr = (uint32)IRQ_Handler;

    VICVectAddr0 = (uint32)Timer0_Handler;
    VICVectCntl0 = (0x20 | 0x04);
    VICIntEnable = 1 << 4;
    
	/* 打开EINT0中断(使用向量中断) */
	VICIntSelect   = 0x00000000;	/* 设置所有中断分配为IRQ中断			*/
	VICVectCntl2   = 0x20 | 0x0e;	/* 分配外部中断0到向量中断0				*/
	VICVectAddr2   = (uint32)Eint0_Handler;/* 设置中断服务程序地址					*/
	EXTINT         = 0x01;			/* 清除EINT0中断标志					*/
	VICIntEnable   = 1 << 0x0e;		/* 使能EINT0中断						*/

    /* Slot 1分配给Uart0 */
    VICVectAddr1= (uint32)Uart0_Handler;
    VICVectCntl1= (0x20 | 0x06);
    VICIntEnable = 1 << 6;

	    /* Slot 12分配给Uart1 */
    VICVectAddr12 = (uint32)Uart1_Handler;
    VICVectCntl12 = (0x20 | 0x07);
    VICIntEnable = 1 << 7;

    
 }

/*********************************************************************************************************
** 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)
{
    UARTMODE  uart0_set,uart1_set;

	uart0_set.baudrate = 57600;//Dtu_config.baudrate;//57600;//conf_get_bps();      // 串口0的波特率
    uart0_set.datab    = 8;//conf_get_data();     // 8位数据位
    uart0_set.stopb    = 1;//conf_get_stop();     // 1位停止位
    uart0_set.parity   = 0;//conf_get_crc();      // 无奇偶校验

	uart1_set.baudrate = 38400;  // 串口1的波特率
    uart1_set.datab    = 8;       // 8位数据位
    uart1_set.stopb    = 1;       // 1位停止位
    uart1_set.parity   = 0;       // 无奇偶校验
	

	
    OS_ENTER_CRITICAL();
    VICInit();
	EInt0Init();
    Timer0Init();
	/* 设置串行口 */
    /* initialize UART*/
	UART1_Ini((UARTMODE *)&uart1_set); // 初始化串口模式
	UART0_Ini((UARTMODE *)&uart0_set); // 初始化串口模式
    
    OS_EXIT_CRITICAL();

	PINSEL2 = 0;
	IO1DIR  |= 0x01000000;  //P1.24 MODEM RESET
	IO1CLR  |= 0x01000000;

	//IO1DIR  |= 0x00040000 ;  //wdi

	
}
 
/*********************************************************************************************************
** 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;

/* 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;



/* 设置实时时钟 */
/* initialize RTC*/
    /*CCR = 1;
    PREINT = Fpclk / 32768 - 1;
    PREFRAC = Fpclk - (Fpclk / 32768) * 32768;
    YEAR = 2003;
    MONTH = 6;
    DOM = 2;
    
/* initialize VIC*/
    /*VICIntEnClr = 0xffffffff;
    VICVectAddr = 0;
    VICIntSelect = 0;
    T0IR = 0xffffffff;
    T0TCR = 0X02;
	*/
}

/*********************************************************************************************************
**                  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
********************************************************************************************************/

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