该代码实现了 两次下载法在dspC6713平台上 烧写flash的操作过程
源代码在线查看： c6711_intr.c.bak
/*****************************************************************************
* 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 {
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 */
