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    發布日期: 2023-10-21
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資源簡介

該文件為利用FPGA驅動攝像頭模塊OV7670,里面有詳細的代碼。親測可用

資源截圖

代碼片段和文件信息

/*
?*?vga_ctrl.c
?*
?*??Created?on:?2010-11-27
?*??????Author:?Administrator
?*/

#include?“system.h“?????????????????????????//包含基本的硬件描述信息
#include?“unistd.h“
#include?“alt_types.h“
#include?“vga_ctrl.h“

#define Write_CLK { MCU_CLK?=?0;MCU_CLK?=?1; }
/*****************VGA?初始化************************/
void?VGA_Init(void)
{
MCU_Flag?=?0; //寫標志拉低,可讀SRAM
MCU_CLK?=?0;
MCU_CMD?=?0;
MCU_Data?=?0;
}

/*****************VGA?坐標設定************************/
void?Write_Addr(alt_u16?Xposalt_u16?Ypos)
{
MCU_Flag?=?0;

MCU_CMD?=?0; //寫X坐標
MCU_Data?=?Xpos;
Write_CLK;

MCU_CMD?=?1; //寫Y坐標
MCU_Data?=?Ypos;
Write_CLK;

MCU_CMD?=?2; //定位
Write_CLK;
}

/***************寫數據準備***********************/
void?Write_DataPrep(void)
{
MCU_Flag?=?1;
MCU_CMD?=?3;
}

/************寫數據MCU_Flag=1********************/
void?Write_Data(alt_u16?Data)
{
MCU_Data?=?Data;
Write_CLK;
}

/************打開VGA顯示********************/
void?Display_VGA(void)
{
MCU_Flag?=?0;
}

/**************ColorTest****************/
void?ColorTest(void)
{
//定義各塊色度
#define RGB_x00 0x0000
#define RGB_x01 0x000f
#define RGB_x10 0x03e0
#define RGB_x11 0x03ef
#define RGB_0x0 0x0000
#define RGB_0x1 0x000f
#define RGB_1x0 0x7800
#define RGB_1x1 0x780f
#define RGB_00x 0x0000
#define RGB_01x 0x03e0
#define RGB_10x 0x7800
#define RGB_11x 0x7be0

????#define RGB_X00 0x0000
#define RGB_X01 0x001f
#define RGB_X10 0x07e0
#define RGB_X11 0x07ff
#define RGB_0X0 0x0000
#define RGB_0X1 0x001f
#define RGB_1X0 0xf800
#define RGB_1X1 0xf81f
#define RGB_00X 0x0000
#define RGB_01X 0x07e0
#define RGB_10X 0xf800
#define RGB_11X 0xffe0
alt_u16?ij;
/***************ColorTest***************
?*? 第一列 第二列 第三列 第四列
?*? 第一行 x00 x01 x10 x11
?*? 第二行 X00 X01 X10 X11
?*? 第三行 0x0 0x1 1x0 1x1
?*? 第四行 0X0 0X1 1X0 1X1
?*? 第五行 00x 01x 10x 11x
?*? 第六行 00X 01X 10X 11X
?*?***************0~~MAX變化*************/

Write_Addr(00);
Write_DataPrep();
for(i=0;i<128;i++) //第一行ColorTest測試 16Bit
{
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_x00);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_x01);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_x10);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_x11);
}
for(i=0;i<128;i++) //第二行ColorTest測試 16Bit
{
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_X00);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_X01);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_X10);
for(j=0;j<256;j++) Write_Data((j&0xf8)<<8|RGB_X11);
}


for(i=0;i<128;i++) //第三行ColorTest測試 16Bit
{
for(j=0;j<256;j++) Write_Data((j&0xfc)<<3|RGB_0x0);
for(j=0;j<256;j++) Write_Data((j&0xfc)<<3|RGB_0x1);
for(j=0;j<256;j++) Write_Data((j&0xfc)<<3|RGB_1x0);
for(j=0;j<256;j++) Write_Data((j&0xfc)<<3|RGB_1x1);
}
for(i=0;i<128;i++) //第四行ColorTest測試 16Bit
{
for(j=0;j<256;j++) Write_Data((j&0xfc)<<3|RGB_0X0);
for(j=0;j<256;j++) Write_Data((j&0x

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3161??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom.bsf

?????文件????????280??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom.qip

?????文件???????6545??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom.v

?????文件???????6555??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom.v.bak

?????文件??????92543??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom_wave0.jpg

?????文件????????957??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\osd_rom_waveforms.html

?????文件???????4374??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\sdram_pll.bsf

?????文件????????367??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\core\sdram_pll.qip

?????文件??????18225??2013-03-19?21:23??ov7670驅動\06_sdram_ov7670_rgb_640480\core\sdram_pll.v

?????文件???????3158??2013-03-19?21:23??ov7670驅動\06_sdram_ov7670_rgb_640480\core\vip_rom.bsf

?????文件????????280??2013-03-19?21:23??ov7670驅動\06_sdram_ov7670_rgb_640480\core\vip_rom.qip

?????文件???????6544??2013-03-19?21:23??ov7670驅動\06_sdram_ov7670_rgb_640480\core\vip_rom.v

?????文件????????152??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\db\sdram_ov7670_vga.db_info

?????文件????????176??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\db\sdram_ov7670_vga.eco.cdb

?????文件????????215??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\db\sdram_ov7670_vga.sld_design_entry.sci

?????文件????????653??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\incremental_db\README

?????文件????????130??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\output_file.map

?????文件?????524517??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_rgb.jic

?????文件????????130??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_rgb.map

?????文件????????130??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_rgb565.map

?????文件???????9979??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.asm.rpt

?????文件????????444??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.cdf

?????文件?????????26??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.done

?????文件????????239??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.dpf

?????文件?????237084??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.fit.rpt

?????文件????????513??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.fit.smsg

?????文件????????640??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.fit.summary

?????文件???????9147??2013-03-19?21:21??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.flow.rpt

?????文件?????289023??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.map.rpt

?????文件????????157??2013-03-19?21:22??ov7670驅動\06_sdram_ov7670_rgb_640480\dev\sdram_ov7670_vga.map.smsg

............此處省略110個文件信息

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