dsp试验程序Word下载.docx

1、 .bss x,6 .bss y,1 .global start .data TABLE .WORD 1,1,1,1,1,1 .WORD 1,2,3,4,5,6 .text AMOV #（stack+stack_size）, XSP MOV #（sysstack+stack_size）, SSP AMOV #h,AR1 AMOV #TABLE,AR2 RPT #11 MOV *AR2+,*AR1+ CALL SUMHERE: B HERESUM: MOV #0000h,AC1 AMOV #h,AR3 AMOV #x,AR4 RPT #5 MACM *AR3+,*AR4+,AC1 MOV HI（

2、AC1 RET Shiyan3 .mmregs .global _asmfunc _asmfunc: ADD *AR0,T0,T0 RET .END #include stdio.h extern int asmfunc（int,int*）; int gvar; void main（） int i=8; gvar=200; i=asmfunc（i,&gvar）; while（1）; volume.c#include csl.hcsl_pll.hcsl_chip.hcsl_irq.hcsl_gpt.h/* Define and initialize the GPT module configur

3、ation structure */GPT_Config MyGptConfig = 0, /Emulation management register0, /GPIO interrupt control register0, /GPIO enable register0, /GPIO direction register0, /GPIO data register0xB9EF, /Timer period register 1 （主频为1525MHZ）0x05F5, /Timer period register 20, /Timer period register 30,0x0088,0x0

4、003, /Timer period register 4/*GPT_GPTCTL1_RMK（ /Timer control register 1 GPT_GPTCTL1_TIEN_NOT_GATED,/Timer没选通 GPT_GPTCTL1_CLKSRC_VBUS, /外部时钟源驱动TINP引脚 GPT_GPTCTL1_ENAMODE_CONTINUOUS,/定时器不断激活模式 GPT_GPTCTL1_PWID_INACTIVE_1CYCLE,/在定时器到达周期后TSTAT停止计数时钟 GPT_GPTCTL1_CP_CLOCK_MODE, /时钟模式 GPT_GPTCTL1_INVIN_D

5、ONT_INVERT_OUTPUT,/不反相TINP驱动定时器 GPT_GPTCTL1_INVOUT_DONT_INVERT_OUTPUT/不反相的TSTAT驱动TOUT ）, GPT_GPTCTL2_RMK（ /Timer control register 2 GPT_GPTCTL2_TIEN_NOT_GATED, GPT_GPTCTL2_CLKSRC_VBUS, GPT_GPTCTL2_ENAMODE_CONTINUOUS, GPT_GPTCTL2_PWID_INACTIVE_1CYCLE, GPT_GPTCTL2_CP_CLOCK_MODE, GPT_GPTCTL2_INVIN_DONT

6、_INVERT_OUTPUT, GPT_GPTCTL2_INVOUT_DONT_INVERT_OUTPUTGPT_GPTGCTL1_RMK（ /Global timer control register GPT_GPTGCTL1_PSC34_DEFAULT, GPT_GPTGCTL1_TIMMODE_DEFAULT,/64bit普通模式 GPT_GPTGCTL1_TIM34RS_NOT_IN_RESET, GPT_GPTGCTL1_TIM12RS_NOT_IN_RESET ）*/ ;/* Function/ISR prototypes */interrupt void Timer0Isr（vo

7、id）;/* Reference start of interrupt vector table */* This symbol is defined in file, vectors.s55 */extern void VECSTART（void）;/* Create a TIMER_Handle object for use with TIMER_open */GPT_Handle hGpt;/* Define the power-off time length of LED */#define TIMECONST 60000Uint16 EventId0; / 定时器0所对应的事件ID号

8、Uint16 LEDMARK = 0; / 设置指示灯的开关标志Uint16 i = 0;Uint16 j = 0;/* 通过定义宏来控制两个外围存储器映射的寄存器，从而实现对GPIO口的控制 */#define GPIODIR （*（volatile ioport Uint16*）（0x3400）#define GPIODATA （*（volatile ioport Uint16*）（0x3401）void main（void） /* Initialize CSL library - This is REQUIRED ! */ CSL_init（）; /* PLL configuration

9、 structure used to set up PLL interface */ / 主频为300Mhz PLL_setFreq（1, 0xF, 0, 1, 3, 3, 0）; /* Set IVPH/IVPD to start of interrupt vector table */ IRQ_setVecs（Uint32）（&VECSTART）; /* Temporarily disable all maskable interrupts */ IRQ_globalDisable（）; /* Open Timer 0, set registers to power on defaults

10、 */ /* And return handle of Timer 0 */ hGpt = GPT_open（GPT_DEV0, GPT_OPEN_RESET）; /* Get Event Id associated with Timer 0, for use with */ /* CSL interrupt enable functions. */ EventId0 = GPT_getEventId（hGpt）; /* Clear any pending Timer interrupts */ IRQ_clear（EventId0）; /* Place interrupt service r

11、outine address at */ /* associated vector location */ IRQ_plug（EventId0,&Timer0Isr）; /* Write configuration structure values to Timer control regs */ GPT_config（hGpt, &MyGptConfig）; /* Enable Timer interrupt */ IRQ_enable（EventId0）; /* Enable all maskable interrupts */ IRQ_globalEnable（）; /* Start T

12、imer */ GPT_start（hGpt）; /* Config GPIO7 in order to ignite led D5*/ GPIODIR = 0x80; / config the GPIO7 as output pin for（;） /* Enter system loop and waiting for interrupt */ /*定时器0的中断程序*/interrupt void Timer0Isr（void） if（LEDMARK=0） GPIODATA = 0x00; /* 关闭指示灯D5 */ LEDMARK = 1; /*在此行设置短点*/ else GPIODA

13、TA = 0x80; /* 打开指示灯D5 */ LEDMARK = 0; /*在此行设置短点*/ for（i=0;iTIMECONST;i+） for（j=0;j=0;m-）/截取65点 *output1+ = *input2+ * ain;（size-m）0;m+）/65点以后清零 output1m=0; return（TRUE）;/* step1 对输入的output1 buffer波形进行截取m点，再以零点的Y轴为对 */*称轴进行翻转，把生成的波形上的值存入以output2指针开始的 */*一段地址空间中 */static int step1（int *output1,int *ou

14、tput2）/怎么反转的？ int m=sk-1;m-） *output2+ = *output1+ * ain;/* step2 对输出的output2 buffer波形进行作n点移位,然后把生成的波形 */* 上的值存入以output3指针开始的一段地址空间中 */static int step2（int *output2, int *output3） int n=zhy; /n=0 size=BUFSIZE;（size-n）n+） *output3+ = output2n;/* step3 对输入的output2 buffer波形和输入的input1 buffer作卷积运算*/* 然后把

15、生成的波形上的各点的值存入以output4指针开始的一段 */* 地址空间中 */static int step3（int *input1,int *output2,int *output4）/计算卷积 int y=zhy;/y=0 int z,x,w,i,f,g;（m-y） i=y; x=0; z=0; f=y;ii-） g=input1z*output2f; x=x+g; z+; f-; *output4+ = x; y+; m=sk; y=sk-1; w=m-zhy-1; y-; i=y; z=sk-1; f=sk-y;i-,z-,f+） g=input1z*output2f; out4

16、_bufferw=x; w+; dataIO */读输入信号，写处理输出信号。static void dataIO1（） /* do data I/O */ return;static void dataIO2（）Hfir2math.htms320.hdsplib.h/#include #define PI 3.1415926#define NX 300#define NH 80short xNX ;#pragma DATA_SECTION（h,.coeffsDATA hNH= -7,46,146,-144,-1283,6456,-894,-337,49,48, -18,20,204,162,

17、-1222,5618,-297,-371,-43,33,-24,-24,187,476,-562,4142,261,-268,-97,11,-22,-73,81,661,697,2373,603,-91,-104,-9,-9,-104,-91,603,2373,697,661,81,-73,-22,11,-97,-268,261,4142,-562,476,187,-24,-24,33,-43,-371,-297,5618,-1222,162,204,20,-18,48,49,-337,-894,6456,-1283,-144,146,46,-7#pragma DATA_SECTION（db,

18、.dbufferDATA dbNH+2 ;DATA rNX;DATA *dbptr = &db0; int i; short xNX; for （i=0;NX;i+） xi=0; xi=（short）（63*sin（PI*300*i/15000）+63*sin（PI*8000*i/15000） ; / clear i i+） ri = 0; / clear output buffer （optional）NH+2; i+） dbi = 0; / clear delay buffer （a must） / compute fir2（x, h, r, dbptr, NX, NH）;/双MAC运算，

19、速度快/ fir（x, h, r, dbptr, NX, NH）;/单MAC运算，速度相对双MAC要慢一些Fir2test.hshort i;short eflag1= PASS;short eflag2= PASS;aafir217,22,17,2,-17,-34,-37,-22,12,52,77,67,16,-61,-129,-148,-91,32,173,260,232,72,-168,-381,-447,-293,55,466,740,696,268,-437,-1139,-1470,-1110,71,1933,4078,5957,7054,7054,5957,4078,1933,71,-1110,-1470,-1139,-437,268,696,740,466,55,-293,-447,-381,-168,72,232,260,173,32,-91,-148,-129,-61,16,67,77,52,12,-22,-37,-34,-17,2,17,22,17