test1.c

DSP6000开发板QuickStartpdf文档

#include <stdio.h>
#include <stdlib.h>
 
#include <c6x.h>

#define EMIF_GCR 		0x1800000	/* Address of EMIF global control		*/
#define EMIF_CE0		0x1800008	/* Address of EMIF CE0 control			*/
#define EMIF_CE1		0x1800004	/* Address of EMIF CE1 control			*/
#define EMIF_CE2		0x1800010	/* Address of EMIF CE2 control			*/
#define EMIF_CE3		0x1800014	/* Address of EMIF CE3 control			*/
#define EMIF_SDCTRL		0x1800018	/* Address of EMIF SDRAM control		*/
#define EMIF_SDRP		0x180001c	/* Address of EMIF SDRM refresh period	*/
#define EMIF_SDEXT		0x1800020	/* Address of EMIF SDRAM extension		*/
#define ADADDR		    0x3380000   /* Address of AD                        */
/*
 *  ======== main ========
 */
void main()
{   
    int i;
    int b0,b1,b2;
    b0=0;
    b1=0; 
    b2=0x0fffff000;
    puts("Initializing the DSP! Please waiting ....\n");
    /* DSP initialization                                                      */
     CSR=0x100;                           /* Disable all interrupts              */
     IER=1;                               /* Disable all interrupts except NMI   */
     ICR=0xffff;                          /* Clear all pending interrupts        */

    *(unsigned volatile int *)EMIF_GCR = 0x33E9;    /* EMIF global control      */
    *(unsigned volatile int *)EMIF_CE0 = 0x40;    /* EMIF CE0 control, 32bit  */
    *(unsigned volatile int *)EMIF_CE1 = 0x0B300A21;    /* EMIF CE1 control, 32bit  */
    *(unsigned volatile int *)EMIF_CE2 = 0x30;    /* EMIF CE2 control, 32bit  */
    *(unsigned volatile int *)EMIF_CE3 = 0x0B300A21;    /* EMIF CE3 control, 32bit  */
    *(unsigned volatile int *)EMIF_SDCTRL = 0x07238000; /* EMIF SDRAM control   */ 
    *(unsigned volatile int *)EMIF_SDRP = 0x410;    /* EMIF SDRM refresh period */
    

    *(unsigned volatile int *)ADADDR  = 0x1F;  /* ad start */   
    puts("A/D begin to start! Please waiting ....\n");
    for(i=0;i<100;i++)
    {      
    }
    *(unsigned volatile int *)ADADDR  = 0x0;   /* ad stop */
    /* write a string to stdout */
    puts("A/D  is stopped!  Processing data please waiting ...\n");
                
    while (b0<0x1000)
    {       
    
    /*(unsigned volatile int *)(0x404000+b0)=*(unsigned volatile int *)(0x1400000+B0)>>16 & 0xFFF;*/
    *(unsigned volatile int *)(0x400000+b0)=*(unsigned volatile int *)(0x1400000+b0) & 0xFFF;   
    
   /*    *(unsigned volatile int *)(0x400000+b0)-=0x170;*/                       
    b1=*(unsigned volatile int *)(0x400000+b0)& 0x800; 
    if(b1)          
    *(unsigned volatile int *)(0x400000+b0)|=b2; 
  /*(int *)(0x404000+B0)=*(int *)(0x1400000+B0)>>16 & 0xFFF;*/
    b0=b0+4;   
    }                                  
    puts("Processing data is finished!\n");
    
}