关于合众达DM642灰度均衡化的例程-lbn321的回答

关于合众达DM642灰度均衡化的例程

2019-07-28 18:11发布

我用合众达DM642灰度均衡化的例程跑出来的图像全部花掉了。
但是我把图像均衡化的函数注释掉的话，是可以正常显示的。
以下是该例程的代码，有用过合众达的朋友帮帮忙。谢谢啦~！

/********************************************************************/
/*  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.       */
/*          */
/********************************************************************/

/********************************************************************/
/*                         »Ò¶È¾ùºâ                               */
/********************************************************************/

#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"

/*SEEDDM642µÄemifaµÄÉèÖÃ½á¹¹*/
EMIFA_Config Seeddm642ConfigA ={
   0x00052078,/*gblctl EMIFA(B)global control register value */
      /*½«CLK6¡¢4¡¢1Ê¹ÄÜ£»½«MRMODEÖÃ1£»Ê¹ÄÜEK2EN,EK2RATE*/
   0xffffffd3,/*cectl0 CE0 space control register value*/
      /*½«CE0¿Õ¼äÉèÎªSDRAM*/
   0x73a28e01,/*cectl1 CE1 space control register value*/
      /*Read hold: 1 clock;
         MTYPE : 0000,Ñ¡Ôñ8Î»µÄÒì²½½Ó¿Ú
         Read strobe £º001110£»14¸öclock¿í¶È
         TA£º2 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*/
};

/*SEEDDM642µÄIICµÄÉèÖÃ½á¹¹*/
I2C_Config SEEDDM642IIC_Config = {
0,  /* master mode,  i2coar;²ÉÓÃÖ÷Ä£Ê½ */
0,  /* no interrupt, i2cimr;Ö»Ð´£¬²»¶Á£¬²ÉÓÃÎÞÖÐ¶Ï·½Ê½*/
(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
};

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;
// µØÖ·Îª0 for cvbs port1,Ñ¡Ôñ¸´ºÏÐÅºÅ×öÎªÊäÈë
Uint8 input_sel = 0x00;
/*µØÖ·Îª0xf£¬½«Pin27ÉèÖÃ³ÉÎªCAPEN¹¦ÄÜ*/
Uint8 pin_cfg = 0x02;
/*µØÖ·Îª1B*/
Uint8 chro_ctrl_2 = 0x14;
/*Í¼Ïñ¾ä±úµÄÉùÃ÷*/
VP_Handle vpHchannel0;
VP_Handle vpHchannel1;
VP_Handle vpHchannel2;

/*È·¶¨Í¼ÏñµÄ²ÎÊý*/
int numPixels = 720;//Ã¿ÐÐ720¸öÏñËØ
int numLines  = 576;//Ã¿Ö¡576ÐÐ£¨PAL£©

/*È·¶¨´¦ÀíµÄ·¶Î§*/
/*A          */
/*             */
/*          D*/
int intAPixels = 190;
int intALines = 59;
int intDPixels = 530;
int intDLines = 229;

/******************************/
/*****»¾ØÐÎ±ß¿òº¯ÊýµÄÉùÃ÷*****/
void drawRectangle();
/*****½øÐÐ»Ò¶È¾ùºâ´¦Àí*********/
void inteEqualize();

/*²É¼¯ÓëÏÔÊ¾»º³åÇøµÄÊ×Ö·*/
Uint32 capYbuffer  = 0x80000000;
Uint32 capCbbuffer = 0x800675c0;
Uint32 capCrbuffer = 0x8009b0a0;

Uint32 disYbuffer  = 0x80100000;
Uint32 disCbbuffer = 0x801675c0;
Uint32 disCrbuffer = 0x8019b0a0;

Uint32 tempYbuffer = 0x80200000; //ÁÙÊ±

/*Í¼Ïñ¸ñÊ½±êÖ¾*/
Uint8 NTSCorPAL = 0;
extern far void vectors();
extern volatile Uint32 capNewFrame;
extern volatile Uint32 disNewFrame;

/*´Ë³ÌÐò¿É½«ËÄ¸ö²É¼¯¿ÚµÄÊý¾Ý¾¹ýVideo Port0ËÍ³ö*/
void main()
{
Uint8 addrI2C;
int i;

/*-------------------------------------------------------*/
/* perform all initializations                         */
/*-------------------------------------------------------*/
/*Initialise CSL£¬³õÊ¼»¯CSL¿â*/
CSL_init();
CHIP_config(&SEEDDM642percfg);
/*----------------------------------------------------------*/
/*EMIFAµÄ³õÊ¼»¯£¬½«CE0ÉèÎªSDRAM¿Õ¼ä£¬CE1ÉèÎªÒì²½¿Õ¼ä
   ×¢£¬DM642Ö§³ÖµÄÊÇEMIFA£¬¶ø·ÇEMIF*/
EMIFA_config(&Seeddm642ConfigA);
/*----------------------------------------------------------*/
/*ÖÐ¶ÏÏòÁ¿±íµÄ³õÊ¼»¯*/
//Point to the IRQ vector table
IRQ_setVecs(vectors);
IRQ_nmiEnable();
IRQ_globalEnable();
IRQ_map(IRQ_EVT_VINT1, 11);
IRQ_map(IRQ_EVT_VINT0, 12);
IRQ_reset(IRQ_EVT_VINT1);
IRQ_reset(IRQ_EVT_VINT1);
/*´ò¿ªÒ»¸öÊý¾Ý¿½±´µÄÊý¾ÝÍ¨Â·*/
DAT_open(DAT_CHAANY, DAT_PRI_LOW, DAT_OPEN_2D);
/*----------------------------------------------------------*/
/*½øÐÐIICµÄ³õÊ¼»¯*/
hSeeddm642i2c = I2C_open(I2C_PORT0,I2C_OPEN_RESET);
I2C_config(hSeeddm642i2c,&SEEDDM642IIC_Config);
/*----------------------------------------------------------*/
/*½øÐÐTVP5150pbsµÄ³õÊ¼»¯*/
/*Ñ¡ÔñTVP5150£¬ÉèÖÃµÚÈýÍ¨Â·*/
GPIO_RSET(GPGC,0x0);/*½«GPIO0²»×öÎªGPINTÊ¹ÓÃ*/
GPIO_RSET(GPDIR,0x1);/*½«GPIO0×öÎªÊä³ö*/
GPIO_RSET(GPVAL,0x0);/*GPIO0Êä³öÎª¸ß£¬Ñ¡ÔñIIC1×ÜÏß£¬ÅäÖÃ
   µÚ¶þÂ·£¬¼´ÎªU21*/
addrI2C = 0xBA >>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);
/*»Ø¶Áµ±Ç°ÉãÏñÉè±¸µÄ¸ñÊ½*/
_IIC_read(hSeeddm642i2c, addrI2C,0x8c, &vFromat);
vFromat = vFromat & 0xff;
switch (vFromat)
{
case TVP51XX_NTSCM:
case TVP51XX_NTSC443:
NTSCorPAL = 1;/*ÏµÍ³ÎªNTSCµÄÄ£Ê½*/
break;
case TVP51XX_PALBGHIN:
case TVP51XX_PALM:
NTSCorPAL = 0;/*ÏµÍ³ÎªPALµÄÄ£Ê½*/
break;
default:
NTSCorPAL = 2;/*ÏµÍ³Îª²»Ö§³ÖµÄÄ£Ê½*/
break;
}
if(NTSCorPAL ==2)
{
/*ÏµÍ³²»Ö§³ÖµÄÄ£Ê½£¬ÖØÐÂÅäÖÃ*/
for(;;)
{}
}
/*----------------------------------------------------------*/
/*½øÐÐSAA7121HµÄ³õÊ¼»¯*/
GPIO_RSET(GPVAL,0x0);/*GPIO0Êä³öÎªµÍ£¬Ñ¡ÔñIIC1×ÜÏß£¬ÅäÖÃÍ¼ÏñÊä³ö*/
addrI2C = 0xB8 >>1; /*Ñ¡ÔñµÚ0Â·µÄI2CµÄµØÖ·*/
/*½«µÚ0Â·µÄÊÓÆµÊäÈë¿ÚµÄÊý¾Ý¿ÚÉèÎª¸ß×è×´Ì¬£¬
   Ê¹ÄÜSCLK£¬½«µÚ27½ÅÉèÎªÊäÈë*/
_IIC_write(hSeeddm642i2c, addrI2C,0x03, 0x1);
/*ÅäÖÃSAA7121H*/
GPIO_RSET(GPVAL,0x1);/*GPIO0Êä³öÎªµÍ£¬Ñ¡ÔñIIC1×ÜÏß£¬ÅäÖÃÍ¼ÏñÊä³ö*/
/*³õÊ¼»¯Video Port0*/
/*½«Vedio Port1ÉèÎªencoderÊä³ö*/
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));
}
}

/*----------------------------------------------------------*/

/*³õÊ¼»¯Video Port1*/
/*½«Vedio Port1ÉèÎª²É¼¯ÊäÈë*/
portNumber = 1;
vpHchannel1 = bt656_8bit_ncfc(portNumber);
bt656_capture_start(vpHchannel1);
/*µÈ´ýµÚÒ»Ö¡Êý¾Ý²É¼¯Íê³É*/
while(capNewFrame == 0){}
/*½«Êý¾Ý´æÈëÏÔÊ¾»º³åÇø£¬²¢Çå²É¼¯Íê³ÉµÄ±êÖ¾*/
capNewFrame =0;
for(i=0;i<numLines;i++)
{
/*´«ËÍÁÙÊ±Y»º³åÇø*/
DAT_copy((void *)(capYbuffer + i * numPixels),
               (void *)(tempYbuffer + i * numPixels),
               numPixels);
   }

/*»±ß¿ò*/
drawRectangle();

/*½øÐÐ»Ò¶È¾ùºâ´¦Àí*/
inteEqualize();
// inteEqualizeLai();

for(i=0;i<0x33ae0;i++)
{
      *((Uint8 *)(disCrbuffer +i)) =0x80;
      *((Uint8 *)(disCbbuffer +i)) =0x80;

}

for(i=0;i<numLines;i++)
{
/*´«ËÍY»º³åÇø*/
DAT_copy((void *)(tempYbuffer + i * numPixels),
            (void *)(disYbuffer + i * numPixels),
               numPixels);
   }


/*Æô¶¯ÏÔÊ¾Ä£¿é*/
bt656_display_start(vpHchannel0);
/*½¨Á¢ÏÔÊ¾µÄÊµÊ±Ñ»·*/
for(;;)
{
/*µ±²É¼¯ÇøµÄÊý¾ÝÒÑ¾²É¼¯ºÃ£¬¶øÏÔÊ¾»º³åÇøµÄÊý¾ÝÒÑ¿Õ*/
if((capNewFrame == 1)&&(disNewFrame == 1))
{
/*½«Êý¾Ý×°ÈëÏÔÊ¾»º³åÇø£¬²¢Çå²É¼¯Íê³ÉµÄ±êÖ¾*/
capNewFrame =0;
disNewFrame =0;
for(i=0;i<numLines;i++)
{
/*´«ËÍÁÙÊ±Y»º³åÇø*/
DAT_copy((void *)(capYbuffer + i * numPixels),
               (void *)(tempYbuffer + i * numPixels),
               numPixels);
   }

      /*»±ß¿ò*/
      drawRectangle();

/*½øÐÐ»Ò¶È¾ùºâ´¦Àí*/
inteEqualize();
// inteEqualizeLai();

         for(i=0;i<numLines;i++)
{
/*´«ËÍY»º³åÇø*/
      DAT_copy((void *)(tempYbuffer + i * numPixels),
               (void *)(disYbuffer + i * numPixels),
               numPixels);
   }

}

}

for(;;)
{}
  /*----------------------------------------------------------*/
/*²É¼¯Óë»Ø·Å*/

}

/*»¾ØÐÎ±ß¿òº¯ÊýµÄ¶¨Òå*/
void drawRectangle()
{
int i,j;
/*»ÉÏ±ß*/
//ÆæÊýÐÐ
for(i=intALines-4;i<intALines;i++)
{
      for(j=intAPixels-6;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

//Å¼ÊýÐÐ
for(i=numLines/2+intALines-4;i<numLines/2+intALines;i++)
{
      for(j=intAPixels-6;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

/*»ÏÂ±ß*/
//ÆæÊýÐÐ
for(i=intDLines;i<intDLines+4;i++)
{
      for(j=intAPixels-6;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

//Å¼ÊýÐÐ
for(i=numLines/2+intDLines;i<numLines/2+intDLines+4;i++)
{
      for(j=intAPixels-6;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

/*»×ó±ß*/
//ÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intAPixels-6;j<intAPixels;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

//Å¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intAPixels-6;j<intAPixels;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

/*»ÓÒ±ß*/
//ÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intDPixels;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}

//Å¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intDPixels;j<intDPixels+6;j++)
      {
           *(Uint8 *)(tempYbuffer + i*numPixels + j) = 0x00;
      }
}
}

/*½øÐÐ»Ò¶È¾ùºâ´¦Àí*/
void inteEqualize()
{
int i,j,intTemp;
int intArea = (intDPixels-intAPixels)*(intDLines-intALines)*2;  //Ãæ»ý£¨×ÜµÄÏñËØ£©

Uint8 grayMap[256];  //»Ò¶ÈÓ³Éä±í
int intCount[256]; //µÚi¼¶»Ò¶È¼ÆÊý

/*ÖØÖÃ¼ÆÊýÎª0*/
for(i=0;i<256;i++)
{
//ÇåÁã
intCount[i]=0;
}

/*¼ÆËã¸÷¸ö»Ò¶ÈÖµµÃ¼ÆÊý*/
//·½¿òÄÚÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
         intTemp = *(Uint8 *)(tempYbuffer + i*numPixels + j);
      //¼ÆÊý¼Ó1
      intCount[intTemp]++;
}
}

//·½¿òÄÚÅ¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
         intTemp = *(Uint8 *)(tempYbuffer + i*numPixels + j);
      //¼ÆÊý¼Ó1
      intCount[intTemp]++;
}
}

/*¼ÆËã»Ò¶ÈÓ³Éä±í*/
for(i=0;i<256;i++)
{
//³õÊ¼»¯Îª0
intTemp = 0;
for(j=0;j<=i;j++)
{
intTemp+=intCount[j];
}
//¼ÆËã¶ÔÓ¦µÄÐÂ»Ò¶ÈÖµ
grayMap[i] = (Uint8)(intTemp*255/intArea);
}

/*½øÐÐ»Ò¶È¾ùºâ£¬ÖØÐÂ¸³Öµ*/
//·½¿òÄÚÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
         intTemp = *(Uint8 *)(tempYbuffer + i*numPixels + j);
      //¸³ÐÂµÄ»Ò¶ÈÖµ
      *(Uint8 *)(tempYbuffer + i*numPixels + j) = grayMap[intTemp];
}
}

//·½¿òÄÚÅ¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
         intTemp = *(Uint8 *)(tempYbuffer + i*numPixels + j);
      //¸³ÐÂµÄ»Ò¶ÈÖµ
      *(Uint8 *)(tempYbuffer + i*numPixels + j) = grayMap[intTemp];
}
}

}

inteEqualizeLai()
{
int i,j,intTemp;
long pixelNum = (intDPixels-intAPixels)*(intDLines-intALines)*2;  //Ãæ»ý£¨×ÜµÄÏñËØ£©

long hist[256];
long nNum = 0;

double pr;

//Uint8 grayMap[256];  //»Ò¶ÈÓ³Éä±í
//int intCount[256]; //µÚi¼¶»Ò¶È¼ÆÊý

/*ÖØÖÃ¼ÆÊýÎª0*/
for(i=0;i<256;i++)
{
//ÇåÁã
hist[i]=0;
}

//¼ÆËãÍ¼ÏñÖ±·½Í¼
/*¼ÆËã¸÷¸ö»Ò¶ÈÖµµÃ¼ÆÊý*/
//·½¿òÄÚÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
      //¼ÆÊý¼Ó1
      hist[*(Uint8 *)(tempYbuffer + i*numPixels + j)]++;
}
}

//·½¿òÄÚÅ¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
      //¼ÆÊý¼Ó1
      hist[*(Uint8 *)(tempYbuffer + i*numPixels + j)]++;
}
}

/*¼ÆËã±ä»»ºóµÄ»Ò¶ÈÖµ*/
for(i=0;i<256;i++)
{
nNum += hist[i];
pr = (double)nNum/pixelNum;
hist[i] = (Uint8)255*pr;
}

/*½øÐÐ»Ò¶È¾ùºâ£¬ÖØÐÂ¸³Öµ*/
//·½¿òÄÚÆæÊýÐÐ
for(i=intALines;i<intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
      //¸³ÐÂµÄ»Ò¶ÈÖµ
      *(Uint8 *)(tempYbuffer + i*numPixels + j) = hist[*(Uint8 *)(tempYbuffer + i*numPixels + j)];
}
}

//·½¿òÄÚÅ¼ÊýÐÐ
for(i=numLines/2+intALines;i<numLines/2+intDLines;i++)
{
      for(j=intAPixels;j<intDPixels;j++)
      {
      //¸³ÐÂµÄ»Ò¶ÈÖµ
      *(Uint8 *)(tempYbuffer + i*numPixels + j) = hist[*(Uint8 *)(tempYbuffer + i*numPixels + j)];
}
}
}

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4条回答

lbn321

2019-07-29 13:58

难道没人也用过吗

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