dm642main.c
来自「上传源码文件为配合SeedVPM642板视频开发」· C语言 代码 · 共 531 行
C
531 行
/********************************************************************/
/* Copyright 2004 by SEED Incorporated. */
/* All rights reserved. Property of SEED Incorporated. */
/* Restricted rights to use, duplicate or disclose this code are */
/* granted through contract. */
/* */
/********************************************************************/
#include <csl.h>
#include <csl_emifa.h>
#include <csl_i2c.h>
#include <csl_gpio.h>
#include <csl_irq.h>
#include <csl_chip.h>
#include <csl_dat.h>
#include "iic.h"
#include "vportcap.h"
#include "vportdis.h"
#include "sa7121h.h"
#include "TVP51xx.h"
#include "seeddm642.h"
#include "seeddm642_aic23.h"
#include "math.h"
/*SEEDDM642的emifa的设置结构*/
EMIFA_Config Seeddm642ConfigA ={
0x00052078,/*gblctl EMIFA(B)global control register value */
/*将CLK6、4、1使能；将MRMODE置1；使能EK2EN,EK2RATE*/
0xffffffd3,/*cectl0 CE0 space control register value*/
/*将CE0空间设为SDRAM*/
0x73a28e01,/*cectl1 CE1 space control register value*/
/*Read hold: 1 clock;
MTYPE : 0000,选择8位的异步接口
Read strobe ：001110；14个clock宽度
TA：2 clock; Read setup 2 clock;
Write hold :2 clock; Write strobe: 14 clock
Write setup :7 clock
-- ---------------
\ 14c /1c
\----------------/ */
0x22a28a22, /*cectl2 CE2 space control register value*/
0x22a28a42, /*cectl3 CE3 space control register value*/
0x57115000, /*sdctl SDRAM control register value*/
0x0000081b, /*sdtim SDRAM timing register value*/
0x001faf4d, /*sdext SDRAM extension register value*/
0x00000002, /*cesec0 CE0 space secondary control register value*/
0x00000002, /*cesec1 CE1 space secondary control register value*/
0x00000002, /*cesec2 CE2 space secondary control register value*/
0x00000073 /*cesec3 CE3 space secondary control register value*/
};
/*SEEDDM642的IIC的设置结构*/
I2C_Config SEEDDM642IIC_Config = {
0, /* master mode, i2coar;采用主模式 */
0, /* no interrupt, i2cimr;只写，不读，采用无中断方式*/
(20-5), /* scl low time, i2cclkl; */
(20-5), /* scl high time,i2cclkh; */
1, /* configure later, i2ccnt;*/
0, /* configure later, i2csar;*/
0x4ea0, /* master tx mode, */
/* i2c runs free, */
/* 8-bit data + NACK */
/* no repeat mode */
(75-1), /* 4MHz clock, i2cpsc */
};
CHIP_Config SEEDDM642percfg = {
CHIP_VP2+\
CHIP_VP1+\
CHIP_VP0+\
CHIP_I2C+\
CHIP_MCASP0
};
I2C_Handle hSeeddm642i2c;
int portNumber;
extern SA7121H_ConfParams sa7121hPAL[45];
extern SA7121H_ConfParams sa7121hNTSC[45];
Uint8 vFromat = 0;
Uint8 misc_ctrl = 0x6D;
Uint8 output_format = 0x47;
// 地址为0 for cvbs port1,选择复合信号做为输入
Uint8 input_sel = 0x00;
/*地址为0xf，将Pin27设置成为CAPEN功能*/
Uint8 pin_cfg = 0x02;
/*地址为1B*/
Uint8 chro_ctrl_2 = 0x14;
/*图像句柄的声明*/
VP_Handle vpHchannel0;
VP_Handle vpHchannel1;
VP_Handle vpHchannel2;
/*确定图像的参数*/
int numPixels = 720;//每行720个像素
int numLines = 576;//每帧576行（PAL）
/******************MY CODES***********/
/*寻找亮度范围的函数及其参数声明*/
void FindPosition();
Uint8 intThreshold = 0xd5;
/*确定处理的范围*/
/*A */
/* */
/* D*/
int intAPixels =350;
int intALines = 1;
int intDPixels = 370;
int intDLines = 288;
int min,max,test,blocklength;
/*图象替换的函数及其参数声明*/
int nBlocks=25;
int nBlocksLines=12;
/*基于角度图象替换的函数及其参数声明*/
void VideoCut(int k);
/*基于亮度带图象替换的函数及其参数声明*/
void VideoCutL(int max1,int min1);
/******************************/
/*采集与显示缓冲区的首址*/
Uint32 capYbuffer = 0x80000000;
Uint32 capCbbuffer = 0x800675c0;
Uint32 capCrbuffer = 0x8009b0a0;
Uint32 disYbuffer = 0x80100000;
Uint32 disCbbuffer = 0x801675c0;
Uint32 disCrbuffer = 0x8019b0a0;
Uint32 tempYbuffer = 0x80200000; //临时
/*图像格式标志*/
Uint8 NTSCorPAL = 0;
extern far void vectors();
extern volatile Uint32 capNewFrame;
extern volatile Uint32 disNewFrame;
/*设置需打开的音频的句柄*/
SEEDDM642_AIC23_Handle dm642aic23handle0,dm642aic23handle1;
SEEDDM642_AIC23_Config codecstate = SEEDDM642_AIC23_DEFAULTCONFIG;
MCASP_Handle SEEDdm642codec;
Uint32 codecdata[2];
static Uint32 knumber=0;
static int kk=0;
double sinvale;
static int *temp;
/*此程序可将四个采集口的数据经过Video Port0送出*/
void main()
{
Uint8 addrI2C;
int i;
int k=0,kCount=1;
/*产生数据点*/
int aa,bb;
temp=(int *)0x80300000;
for(aa=0;aa<4000;aa++)
{
sinvale=((double)(0x7fff))*sin(3.1415926536898*(aa+2000)/4000.0);
bb=sinvale;
*(temp+aa)=bb;
}
for(aa=4000;aa<8000;aa++)
{
*(temp+aa)=-*(temp+aa-4000);
}
/*-------------------------------------------------------*/
/* perform all initializations */
/*-------------------------------------------------------*/
/*Initialise CSL，初始化CSL库*/
CSL_init();
CHIP_config(&SEEDDM642percfg);
/*----------------------------------------------------------*/
/*EMIFA的初始化，将CE0设为SDRAM空间，CE1设为异步空间
注，DM642支持的是EMIFA，而非EMIF*/
EMIFA_config(&Seeddm642ConfigA);
/*----------------------------------------------------------*/
/*中断向量表的初始化*/
//Point to the IRQ vector table
IRQ_setVecs(vectors);
IRQ_nmiEnable();
IRQ_globalEnable();
IRQ_map(IRQ_EVT_AXINT0, 10);
IRQ_map(IRQ_EVT_VINT2, 11);
IRQ_map(IRQ_EVT_VINT0, 12);
IRQ_reset(IRQ_EVT_VINT0);
IRQ_reset(IRQ_EVT_VINT2);
IRQ_reset(IRQ_EVT_AXINT0);
/*打开一个数据拷贝的数据通路*/
DAT_open(DAT_CHAANY, DAT_PRI_LOW, DAT_OPEN_2D);
/*----------------------------------------------------------*/
/*进行IIC的初始化*/
hSeeddm642i2c = I2C_open(I2C_PORT0,I2C_OPEN_RESET);
I2C_config(hSeeddm642i2c,&SEEDDM642IIC_Config);
/*----------------------------------------------------------*/
/*进行TVP5150pbs的初始化*/
/*选择TVP5150，设置第三通路*/
GPIO_RSET(GPGC,0x0);/*将GPIO0不做为GPINT使用*/
GPIO_RSET(GPDIR,0x1);/*将GPIO0做为输出*/
GPIO_RSET(GPVAL,0x1);/*GPIO0输出为高，选择IIC1总线，配置
第二路，即为U22*/
EVMDM642_waitusec(100);
addrI2C = 0xB8 >>1;
_IIC_write(hSeeddm642i2c, addrI2C,0x00, input_sel);
_IIC_write(hSeeddm642i2c, addrI2C,0x03, misc_ctrl);
_IIC_write(hSeeddm642i2c, addrI2C,0x0D, output_format);
_IIC_write(hSeeddm642i2c, addrI2C,0x0F, pin_cfg);
_IIC_write(hSeeddm642i2c, addrI2C,0x1B, chro_ctrl_2);
/*回读当前摄像设备的格式*/
_IIC_read(hSeeddm642i2c, addrI2C,0x8c, &vFromat);
vFromat = vFromat & 0xff;
switch (vFromat)
{
case TVP51XX_NTSCM:
case TVP51XX_NTSC443:
NTSCorPAL = 1;/*系统为NTSC的模式*/
break;
case TVP51XX_PALBGHIN:
case TVP51XX_PALM:
NTSCorPAL = 0;/*系统为PAL的模式*/
break;
default:
NTSCorPAL = 2;/*系统为不支持的模式*/
break;
}
if(NTSCorPAL ==2)
{
/*系统不支持的模式，重新配置*/
for(;;)
{}
}
/*----------------------------------------------------------*/
/*进行SAA7121H的初始化*/
GPIO_RSET(GPVAL,0x0);/*GPIO0输出为低，选择IIC1总线，配置图像输出*/
addrI2C = 0xB8 >>1; /*选择第0路的I2C的地址*/
EVMDM642_waitusec(100);
/*将第0路的视频输入口的数据口设为高阻状态，
使能SCLK，将第27脚设为输入*/
_IIC_write(hSeeddm642i2c, addrI2C,0x03, 0x1);
/*配置SAA7121H*/
GPIO_RSET(GPVAL,0x1);/*GPIO0输出为低，选择IIC1总线，配置图像输出*/
/*初始化Video Port0*/
/*将Vedio Port1设为encoder输出*/
portNumber = 0;
vpHchannel0 = bt656_8bit_ncfd(portNumber);
addrI2C = 0x88 >>1;
for(i =0; i<43; i++)
{
if(NTSCorPAL == 1)
{
_IIC_write(hSeeddm642i2c,
addrI2C,
(sa7121hNTSC[i].regsubaddr),
(sa7121hNTSC[i].regvule));
}
else
{
_IIC_write(hSeeddm642i2c,
addrI2C,
(sa7121hPAL[i].regsubaddr),
(sa7121hPAL[i].regvule));
}
}
/*----------------------------------------------------------*/
/*AIC23B的初始化*/
/*配置第一路音频输入*/
dm642aic23handle0 = EVMDM642_AIC23_open(hSeeddm642i2c,0,&codecstate);
/*配置第二路音频输入*/
codecstate.regs[SEEDDM642_AIC23_DIGIF] = 0x13;
codecstate.regs[SEEDDM642_AIC23_SAMPLERATE] = 0x0e;
dm642aic23handle1 = EVMDM642_AIC23_open(hSeeddm642i2c,1,&codecstate);
/*----------------------------------------------------------*/
/*MCASP的初始化*/
SEEDdm642codec = SEEDDM642_AIC23_openCodec();
//IRQ_enable(IRQ_EVT_AXINT0);
/*----------------------------------------------------------*/
/*----------------------------------------------------------*/
/*初始化Video Port1*/
/*将Vedio Port2设为采集输入*/
portNumber = 2;
vpHchannel1 = bt656_8bit_ncfc(portNumber);
bt656_capture_start(vpHchannel1);
/*等待第一帧数据采集完成*/
while(capNewFrame == 0){}
/*将数据存入显示缓冲区，并清采集完成的标志*/
capNewFrame =0;
for(i=0;i<numLines;i++)
{
/*传送临时Y缓冲区*/
DAT_copy((void *)(capYbuffer + i * numPixels),
(void *)(tempYbuffer + i * numPixels),
numPixels);
}
for(i=0;i<0x33ae0;i++)
{
*((Uint8 *)(disCrbuffer +i)) =0x80;
*((Uint8 *)(disCbbuffer +i)) =0x80;
}
for(i=0;i<numLines;i++)
{
/*传送Y缓冲区*/
DAT_copy((void *)(tempYbuffer + i * numPixels),
(void *)(disYbuffer + i * numPixels),
numPixels);
}
// for(i=0;i<numLines;i++)
// {
/*传送Y缓冲区*/
// DAT_copy((void *)(capYbuffer + i * numPixels),
// (void *)(disYbuffer + i * numPixels),
// numPixels);
/*传送Cb缓冲区*/
// DAT_copy((void *)(capCbbuffer + i * (numPixels >> 1)),
// (void *)(disCbbuffer + i * (numPixels >> 1)),
// numPixels>>1);
/*传送Cr缓冲区*/
// DAT_copy((void *)(capCrbuffer + i * (numPixels >> 1)),
// (void *)(disCrbuffer + i * (numPixels >> 1)),
// numPixels>>1);
// }
/*启动显示模块*/
bt656_display_start(vpHchannel0);
/*建立显示的实时循环*/
for(;;)
{
/*当采集区的数据已经采集好，而显示缓冲区的数据已空*/
if((capNewFrame == 1)&&(disNewFrame == 1))
{
/*将数据装入显示缓冲区，并清采集完成的标志*/
capNewFrame =0;
disNewFrame =0;
k=knumber/160;
FindPosition();
blocklength=max-min;
kCount++;
if(kCount==2)
{
kCount=0;
}
VideoCutL(max,min);
for(i=0;i<numLines;i++)
{
/*传送Y缓冲区*/
DAT_copy((void *)(tempYbuffer + i * numPixels),
(void *)(disYbuffer + i * numPixels),
numPixels);
/*传送Y缓冲区*/
// DAT_copy((void *)(capYbuffer + i * numPixels),
// (void *)(disYbuffer + i * numPixels),
// numPixels);
/*传送Cb缓冲区*/
// DAT_copy((void *)(capCbbuffer + i * (numPixels >> 1)),
// (void *)(disCbbuffer + i * (numPixels >> 1)),
// numPixels>>1);
/*传送Cr缓冲区*/
// DAT_copy((void *)(capCrbuffer + i * (numPixels >> 1)),
// (void *)(disCrbuffer + i * (numPixels >> 1)),
// numPixels>>1);
}
}
}
// for(;;)
// {}
/*----------------------------------------------------------*/
/*采集与回放*/
}
interrupt void McaspTrIsr(void)
{
IRQ_disable(IRQ_EVT_AXINT0);
codecdata[0] = MCASP_RGETH(SEEDdm642codec,RBUF1);
MCASP_RSETH(SEEDdm642codec,XBUF0,codecdata[0]);
codecdata[1] = MCASP_RGETH(SEEDdm642codec,RBUF3);
MCASP_RSETH(SEEDdm642codec,XBUF2,*(temp+knumber));
kk++;
if(kk==12)
{
knumber++;
kk=0;
}
if(knumber==8000)
{
knumber=0;
}
IRQ_enable(IRQ_EVT_AXINT0);
}
/*图象分割*/
/*
void VideoCut(int k)
{
int i=0;
int m=0;
if(k<nBlocks)
//区域奇数行//
{
for(i=0;i<nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+k*nBlocksLines*numPixels + i * numPixels),
(void *)(tempYbuffer +k*nBlocksLines*numPixels+i * numPixels),
numPixels);
}
//区域偶数行//
for(i=numLines/2;i<numLines/2+nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+k*nBlocksLines*numPixels+i * numPixels),
(void *)(tempYbuffer+k*nBlocksLines*numPixels+i * numPixels),
numPixels);
}
//k++;
}
if(k>=nBlocks)
//区域奇数行//
{
m=2*nBlocks-k-1;
for(i=0;i<nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+m*nBlocksLines*numPixels + i * numPixels),
(void *)(tempYbuffer +m*nBlocksLines*numPixels+i * numPixels),
numPixels);
}
//区域偶数行//
for(i=numLines/2;i<numLines/2+nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+m*nBlocksLines*numPixels+i * numPixels),
(void *)(tempYbuffer+m*nBlocksLines*numPixels+i * numPixels),
numPixels);
}
}
}
*/
/*****进行阈值分割处理*********/
void FindPosition()
{
int i,j;
max=0;
min=0;
test=0;
//方框内奇数行
for(i=intALines;i<intDLines;i++)
{
for(j=intAPixels;j<intDPixels;j++)
{
*(Uint8 *)(capYbuffer + i*numPixels + j) = *(Uint8 *)(capYbuffer + i*numPixels + j)<intThreshold?0x00:0xFF;
/*找出亮度最大的区间*/
if(*(Uint8 *)(capYbuffer + i*numPixels + j) == 0xFF)
{
test=i;
if(min==0)
{min=test;}
max=max>test?max:test;
}
}
}
}
void VideoCutL(int max1,int min1 )
{
int BlockStartLine,i;
BlockStartLine=(max1+min1)/2-6;
for(i=0;i<nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+BlockStartLine*numPixels + i * numPixels),
(void *)(tempYbuffer +BlockStartLine*numPixels+i * numPixels),
numPixels);
}
for(i=numLines/2;i<numLines/2+nBlocksLines;i++)
{
DAT_copy((void *)(capYbuffer+BlockStartLine*numPixels+i * numPixels),
(void *)(tempYbuffer+BlockStartLine*numPixels+i * numPixels),
numPixels);
}
}
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