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DSP 整套系统源代码.doc
2．main()
{
int i;
unsigned int * px;
unsigned int * py;
unsigned int * pz;
px=(unsigned int *)0x4080;
py=(unsigned int *)0x4100;
for ( i=0,pz=px;i<16;i++,pz++ )
(*pz)=i;
// 字地址，字节地址为 8100H
// 字地址，字节地址为 8200H
for ( i=0,pz=py;i<16;i++,pz++ )
// 在此加软件断点
(*pz)=0x1234;
for ( i=0;i<16;i++,px++,py++ )
// 在此加软件断点
(*py)=(*px);
while(1)
{
}
// 在此加软件断点
}
3．#include "myapp.h"
// 定义指示灯寄存器地址和寄存器类型
#define LBDS (*((unsigned int *)0x400001))
void INTR_init( void );
void TIMER_init(void);
int nCount;
main()
{
nCount=0;
PLL_Init(40);
SDRAM_init();
LBDS=0;
INTR_init();
TIMER_init();
while ( 1 )
{
}
}
void interrupt Timer()
{
nCount++; nCount%=16;
if ( nCount==0 )
LBDS^=1;
}
void INTR_init( void )
{
IVPD=0xd0;
IVPH=0xd0;
IER0=0x10;
DBIER0 =0x10;
IFR0=0xffff;
asm(" BCLR INTM");
}
void TIMER_init(void)
{
ioport unsigned int *tim0;
ioport unsigned int *prd0;
ioport unsigned int *tcr0;
ioport unsigned int *prsc0;
tim0 = (unsigned int *)0x1000;
prd0 = (unsigned int *)0x1001;
tcr0 = (unsigned int *)0x1002;
prsc0 = (unsigned int *)0x1003;
*tcr0 = 0x04f0;
*tim0 = 0;
*prd0 = 0x0ffff;
*prsc0 = 2;
*tcr0 = 0x00e0;
}
4．#include "myapp.h"
#include "ICETEK-VC5509-EDU.h"
#include "scancode.h"
void InitADC();
void wait( unsigned int cycles );
void EnableAPLL( );
unsigned int nADC0[256],nADC1[256];
main()
{
int i;
unsigned int uWork;
EnableAPLL();
SDRAM_init();
InitADC();
PLL_Init(132);
while ( 1 )
{
for ( i=0;i<256;i++ )
{
ADCCTL=0x8000; // 启动 AD 转换，通道 0
do
{
uWork=ADCDATA;
} while ( uWork&0x8000 );
nADC0[i]=uWork&0x0fff;
}
for ( i=0;i<256;i++ )
{
ADCCTL=0x9000; // 启动 AD 转换，通道 1
do
{
uWork=ADCDATA;
} while ( uWork&0x8000 );
nADC1[i]=uWork&0x0fff;
}
asm( " nop");
// break point
}
}
void InitADC()
{
ADCCLKCTL=0x23; // 4MHz ADCLK
ADCCLKDIV=0x4f00;
}
void wait( unsigned int cycles )
{
int i;
for ( i = 0 ; i < cycles ; i++ ){ }
}
void EnableAPLL( )
{
/* Enusre DPLL is running */
*( ioport volatile unsigned short* )0x1f00 = 4;
wait( 25 );
*( ioport volatile unsigned short* )0x1f00 = 0;
// MULITPLY
*( ioport volatile unsigned short* )0x1f00 = 0x3000;
// COUNT
*( ioport volatile unsigned short* )0x1f00 |= 0x4F8;
wait( 25 );
//*( ioport volatile unsigned short* )0x1f00 |= 0x800
// MODE
*( ioport volatile unsigned short* )0x1f00 |= 2;
wait( 30000 );
// APLL Select
*( ioport volatile unsigned short* )0x1e80 = 1;
// DELAY
wait( 60000 );
}
5．#include "myapp.h"
#include "ICETEK-VC5509-EDU.h"
#include "scancode.h"
#define CTRSTATUS (*(unsigned int *)0x600800) //port8000
#define CTRLED (*(unsigned int *)0x600802) // port8004
void InitMcBSP();
main()
{
PLL_Init(12);
SDRAM_init();
InitCTR();
InitMcBSP();
CTRSTATUS=0x80;
CTRSTATUS=0;
CTRSTATUS=0x80;
CTRSTATUS=0;
CTRLED=0xff;
// 使能 IO
CTRGR=2;
while ( 1 )
{
PCR1^=8;
Delay(256);
}
}
void InitMcBSP()
{
// IOPin: McBSP1.FSX S15
//SPCR2.XRST_=0,PCR.XIOEN=1,PCR.FSXM=1,PCR.FSXP=0/1
SPCR2_1&=0x0fffe;
PCR1|=0x2800;
}
6．#include
#include "volume.h"
/* processing data buffers */
/* Global declarations */
int inp1_buffer[BUFSIZE];
int inp2_buffer[BUFSIZE];
int out1_buffer[BUFSIZE];
int out2_buffer[BUFSIZE];
int out3_buffer[BUFSIZE];
int out4_buffer[BUFSIZE*2];
int size = BUFSIZE;
int ain = MINGAIN;
int zhy=0;
int sk=64;
点,sine11.dat,
/*sk 代 表 所 开 的 bufsize 的 大 小, 需 修 改 它 . 输 入 文 件 sine.dat 为 32
sin22.dat,sin33.dat,sin44.dat 为 64 点的输入波形.*/
/* volume control variable */
//unsigned int processingLoad = 1;
/* processing routine load value */
/* Functions */
extern void load(unsigned int loadValue);
static int processing1(int *output1, int *output2);
static int processing2(int *output2, int *output3);
static int processing3(int *input1,int *output2,int *output4);
static int processing4(int *input2, int *output1);
static void dataIO1(void);
static void dataIO2(void);
/*
* ======== main ========
*/
void main()
{
int *input1 = &inp1_buffer[0];
int *input2 = &inp2_buffer[0];
int *output1 = &out1_buffer[0];
int *output2 = &out2_buffer[0];
int *output3 = &out3_buffer[0];
int *output4 = &out4_buffer[0];
puts("volume example started\n");
/* loop forever */
while(TRUE)
{
/*
* Read input data using a probe-point connected to a host file.
* Write output data to a graph connected through a probe-point.
*/
// break point
// break point
dataIO1();
dataIO2();
/* apply gain */
processing4(input2,output1);
processing1(output1, output2);
processing2(output2, output3);
processing3(input1,output2,output4) ;
}
}
/*
* ======== processing ========
*
* FUNCTION: apply signal processing transform to input signal.
*
* PARAMETERS: address of input and output buffers.
*
* RETURN VALUE: TRUE.
*/
static int processing4(int *input2,int *output1)
{
int m=sk;
for(;m>=0;m--)
{
*output1++ = *input2++ * ain;
}
for(;(size-m)>0;m++)
{output1[m]=0;
}
//
load(processingLoad);
return(TRUE);
}
static int processing1(int *output1,int *output2)
{
int m=sk-1;
for(;m>0;m--)
{
*output2++ = *output1++ * ain;
}
//
/* additional processing load */
load(processingLoad);
return(TRUE);
}
static int processing2(int *output2, int *output3)
{
int n=zhy;
size=BUFSIZE;
for(;(size-n)>0;n++)
{ *output3++ = output2[n];
}
/* for (;n>0;n--)
{ *output3++ = 0;
}
*/
//
load(processingLoad);
return(TRUE);
}
static int processing3(int *input1,int *output2,int *output4)
{
int m=sk;
int y=zhy;
int z,x,w,i,f,g;
for(;(m-y)>0;)
{i=y;
x=0;
z=0;
f=y;
for(;i>=0;i--)
{g=input1[z]*output2[f];
x=x+g;
z++;
f--;
}
*output4++ = x;
y++;
}
m=sk;
y=sk-1;
w=m-zhy-1;
for(;m>0;m--)
{
y--;
i=y;
z=sk-1;
x=0;
f=sk-y;
for(;i>0;i--,z--,f++)
{g=input1[z]*output2[f];
x=x+g;
}
out4_buffer[w]=x;
w++;
}
//
load(processingLoad);
return(TRUE);
}
/*
* ======== dataIO ========
*
* FUNCTION: read input signal and write processed output signal.
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