北邮DSP应用与设计期末论文

第DXP仿真DSP最小系统版附录二基本I/O电路测试实验主程序：#include"DspRegDefine.h"//VC5402寄存器定义#include"stdio.h"#include"e300_codec.h"//定义指示灯寄存器地址和寄存器类型#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寄存器定义#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");致谢经过几个月的学习，课程顺利完成。在本报告完成之际，我要感谢我的老师焦继超老师。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、严谨的治学