c6711_intr.c.bak

该代码实现了 两次下载法在dspC6713平台上 烧写flash的操作过程

/*****************************************************************************
* File name :     C6711_INTERRUPT.c
* Description:
******************************************************************************/
#ifndef MASTER_FILE
#define C6711_GLOBALS
//#include "includes.h"
#endif
#include "edma.h"
#include "INTR.H"
extern unsigned int framecnt;
extern unsigned char flage,flag8,flag9,flag6;

/*******************************************************************************
*                     Function     prototypes
*******************************************************************************/


/******************************************************************************
* function    : intr_init()
* description : Interrupt initialization
******************************************************************************/
void intr_init(void)
{
 INTR_MAP_RESET(); /* Set Interrupt Mapping*/
// CSR=0x101;
// IER=0x4010;       /* Enable INT4 *///4112
// ICR=0xffff;       /* clear all pending interrupts  */
 //(*(unsigned int *)(0xA00004F4))=0x80008;
 
  CSR=0x100;                           /* Disable all interrupts              */
  IER=1;                               /* Disable all interrupts except NMI   */
  ICR=0xffff;                          /* Clear all pending interrupts        */
}

/******************************************************************************
* function    : External_Interrupt4
* description : INT_04#,PCI interrupt service program.
******************************************************************************/
interrupt void External_Interrupt4(void)
{
		unsigned int dst_addr,temp;
		unsigned int buffer_addr1=0xB000FFC0;//相机寄存器设置
	//	unsigned int src_addr =0xb000F800;
		
		temp=IFR;
		ICR=temp;       /* clear all pending interrupts  */
		IER=0x4103; 
		*(unsigned int *)(buffer_addr1+20) = 0x00000001;//jin zhi zhong duan xin hao 	
	 //	*(volatile unsigned int *) CIPR = 0xffff;
	 	*(volatile unsigned int *) CIPR = 0x0010;
		
	 	dst_addr=0x80500000+0x800*framecnt;
	 /*	for(i=0;i<0x7D4;i+=4)
	 		{
	 		 temp=*(volatile unsigned int *)(src_addr+i);
	 		 *(volatile unsigned int *)(dst_addr+i)=temp;
	 		 
	 		 }*/
	 	EDMA4_channel(dst_addr);
	 	EDMA_Set(4);  //会不会这个还没有传递完就启动8号通道了 
	//	flage=1;

}

/******************************************************************************
* function    : External_Interrupt5
* description : INT_05#
******************************************************************************/
interrupt void External_Interrupt5(void)
{
  // (*(unsigned int *)(0xA00004F4))=0x80008;
//   unsigned int temp;
//   IER=0x4113;
//   temp=IFR;
//   ICR=temp; 
} 

/******************************************************************************
* function    : External_Interrupt6
* description : INT_06#
******************************************************************************/
interrupt void External_Interrupt6(void)
{
   
} 

/******************************************************************************
* function    : External_Interrupt7
* description : INT_07#
******************************************************************************/
interrupt void External_Interrupt7(void)
{
   
} 

/******************************************************************************
* function    : EDMA_Interrupt	(void ) 
* description : INT_08#,EDMA controller interrupt's handlers
*               Acts on an interrupt when the EDMA channel issues an interrupt
******************************************************************************/
interrupt void EDMA_Interrupt(void)            
{
unsigned int temp;//temp_addr,i,oldtemp,dst_addr
*(volatile unsigned int *) ECR = 0xffff;
temp=*(volatile unsigned int *) CIPR;
*(volatile unsigned int *) CIPR = temp;//0xffff;  //清除EDMA事件悬挂reg 必要步骤
										//不可以用0xffff全部清除 否则屏蔽掉 8 9了 
if(temp&0x0010)
	{
		flage=1;
	//	temp=IFR;
		ICR=0xffff;       /* clear all pending interrupts  */
	//	IER=0x4113;
	}
	
else if(temp&0x0040)
	
	 flag6=1; 
	 
else if(temp&0x0100)
	
	 flag8=1; 
	 
	 
	
else if(temp&0x0200)
	flag9=1; 
	
}
/******************************************************************************
* function    : McBsp_Receive0_Interrupt   
* description : INT_9#
******************************************************************************/
interrupt void McBsp_Receive0_Interrupt( void)    
{
   
}  

/******************************************************************************
* function    : EMIF_SDRAM_Timer_Interrupt(void )      
* description : INT_10#
******************************************************************************/
interrupt void EMIF_SDRAM_Timer_Interrupt(void )
{
  
}	

/******************************************************************************
* function    : McBsp_Receive1_Interrupt   
* description : INT_11#
******************************************************************************/
interrupt void McBsp_Receive1_Interrupt(void)   
{
   
}   

/******************************************************************************
* function    : Illegal_Interrupt (void)
* description : INT_12#
*               Called whenever an interrupt occures that is not set ok or an error situation                                                             
*               has occured. This interrupt handler should never execute.                                                             
*               But is here for debugging purposes
******************************************************************************/
interrupt void Illegal_Interrupt(void)
{
   /* Illegal interrupts shall never be called */

}	

/******************************************************************************
* function    : HostPortInterrupt(void )      DSPINT
* description : INT_13#,HostPortInterrupt interrupt handler
*               Acts on an interrupt when the Host issues an interrupt
******************************************************************************/
interrupt void HostPortInterrupt(void)          
{
  
}	


/**********************************************************************************************************
* FUNCTION NAME: TimerZero                                           
* Description  : INT_14#
**********************************************************************************************************/

void interrupt TimerZero(void)      /* Interrupt 14 */
{
 
    
}

/******************************************************************************
* function    : TimerOne(void ) 
* description : INT_15#                                                          
******************************************************************************/

interrupt void TimerOne(void)   /* Interrupt 15*/
{
//printf("PCI memory 0x%x data is\n");
}	


/* END OF FILE */