北邮DSP应用及设计期末论文

.DXP仿真DSP最小系统版附录二根本I/O电路测试实验主程序：#include"DspRegDefine.h"//VC5402存放器定义#include"stdio.h"#include"e300_codec.h"//定义指示灯存放器地址和存放器类型#defineLBDS(*((unsignedint*)0xaaaa))//子程序接口voidDelay(unsignedintnDelay); //延时子程序voidmain(){ unsignedintuLED[9]={0,1,2,3,4,5,6,7,8}; //控制字，逐位置1 inti; cpu_init(); //初始化DSP运行时钟 while(1) { for(;;) { for(i=0;i<8;i++) { LBDS=uLED[i]; //正向顺序送控制字 Delay(256); //延时 } for(i=8;i>=0;i--) { LBDS=uLED[i]; //反向顺序送控制字 Delay(256); //延时 } } }}voidDelay(unsignedintnDelay) //延时子程序{ unsignedinti,j; for(i=0;i<4000;i++) for(j=0;j<nDelay;j++); }CPU初始化程序：#include"DspRegDefine.h"//VC5402存放器定义#include"e300_codec.h"voidcpu_init(void){ asm("nop"); asm("nop"); asm("nop"); *(unsignedint*)CLKMD=0x0;//switchtoDIVmodeclkout=1/2clkinwhile(((*(unsignedint*)CLKMD)&01)!=0);*(unsignedint*)CLKMD=0x07ff;//switchtoPLLX1mode *(unsignedint*)PMST=0x3FFA; *(unsignedint*)SWWSR=0x7fff; *(unsignedint*)SWCR=0x0001;*(unsignedint*)BSCR=0xf800; asm("ssbxintm");//Disableallmaskinterrupts *(unsignedint*)IMR=0x0; *(unsignedint*)IFR=0xffff;asm("nop"); asm("nop"); asm("nop");}附录三CCS环境下通用I/O电路测试实验#include<math.h>#definepi3.1415926#defineN500voidmain(){inti,j;int*p;intx[500];for(i=0;i<N;i++)x[i]=0;for(i=0;i<N;i++){x[i]=(int)1000*sin(2*pi*i/125);}p=(int*)0x1000;for(i=0;i<N;i++){*p=x[i];p++;}for(;;){asm("rsbxxf");for(i=0;i<30000;i++)for(j=0;j<10;j++){asm("nop");asm("nop");}asm("ssbxxf");for(i=0;i<30000;i++)for(j=0;j<10;j++){asm("nop");asm("nop");}}}致经过几个月的学习，课程顺利完成。在本报告完成之际，我要感我的教师焦继超教师。他讲课轻松的风格和考察简约的方式，都帮我们减轻了本学期十分繁重的课业压力。我从他的身上不仅学到了应该掌握的专业技能，更重要的是学到了解决问题的方法。他渊博的知识