STM32直接驱动OV7670,数据经串口发送给上位机看图软件显示---图像模糊
http://cache.amobbs.com/bbs_upload782111/files_39/ourdev_638572RPSAMX.jpg(原文件名:12.jpg)
我是用STM32直接驱动OV7670摄像头,摄像头每次采集完一次完整的数据后,我用串口将数据发给上位机看图软件。如上图所示。
上位机看图软件显示灰度图像,可是图像比较淡,有点模糊。拜求高手指点!不胜感激。问题解决后,我会将源码及原理图贴上,资源共享。
寄存器配置如下:
{0x3a, 0x00},//行缓冲测试选项
{0x40, 0xd0},//普通控制14
{0x12, 0x11},//通用控制7COM7
{0x32, 0x80},//HREF控制
{0x17, 0x16}, //HSTART
{0x18, 0x04},//HSTOP
{0x19, 0x02},//VSTART
{0x1a, 0x7b},//VSTOP,0x7a,
{0x03, 0x06},//VREF,0x0a,
{0x0c, 0x00},//COM3 10 //default setting //10
{0x3e, 0x00},//COM14 //default setting
{0x70, 0x00},//SCALING_XSC
{0x71, 0x01},//SCALING_YSC
{0x72, 0x11},//SCALING_DCWCTR //default setting
{0x73, 0x00},//SCALING_PC //default setting
{0xa2, 0x02},//SCALING_PCLK_DELAY//default setting
{0x11, 0x82},//{0x11, 0x81},//CLKRC,2分频
{0x7a, 0x20},//SLOP
{0x7b, 0x1c},//GAM1
{0x7c, 0x28},//GAM2 //20
{0x7d, 0x3c},//GAM3
{0x7e, 0x55},//GAM4
{0x7f, 0x68},//GAM5
{0x80, 0x76},//GAM6
{0x81, 0x80},//GAM7
{0x82, 0x88},//GAM8
{0x83, 0x8f},//GAM9
{0x84, 0x96},//GAM10
{0x85, 0xa3},//GAM11
{0x86, 0xaf},//GAM12 // 30
{0x87, 0xc4},//GAM13
{0x88, 0xd7},//GAM14
{0x89, 0xe8},//GAM15
{0x13, 0xe0},//COM8
{0x00, 0x0f},//AGC
{0x10, 0x00},//AECH 40 ??
{0x0d, 0x00},//COM4//default setting
{0x14, 0x38},//0x38, limit the max gain
{0xa5, 0x05},//BD50MAX
{0xab, 0x07},//BD60MAX //40
{0x24, 0x75}, //AEW
{0x25, 0x63}, //AEB
{0x26, 0xA5}, //VPT
{0x9f, 0xff}, //HAECC1
{0xa0, 0xff}, //HAECC2
{0xa1, 0x03}, //RSVD,0x0b,
{0xa6, 0xff}, //HAECC3,0xd8,
{0xa7, 0xff}, //HAECC4,0xd8,
{0xa8, 0xff}, //HAECC5
{0xa9, 0xff}, //HAECC6 //50
{0xaa, 0x94}, //HAECC7
{0x13, 0xe5}, //COM8
{0x0e, 0x61}, //COM5
{0x0f, 0x4b}, //COM6
{0x16, 0x02}, //RSVD
{0x1e, 0x07}, //MVFP,0x07,
{0x21, 0x02}, //ADCCTR1
{0x22, 0x91}, //ADCCTR2
{0x23, 0x00}, //ADCCTR2
{0x29, 0x07}, //RSVD //60
{0x33, 0x0b}, //CHLF
{0x35, 0x0b}, //RSVD
{0x37, 0x1d}, //ADC
{0x38, 0x71}, //ACOM
{0x39, 0x2a}, //OFON
{0x3c, 0x78}, //COM12 65
{0x4d, 0x40}, //RSVD
{0x4e, 0x20}, //RSVD
{0x69, 0x5d}, //GFIX
{0x6b, 0x60}, //DBLV,PLL=inX4 //70
{0x74, 0x19}, //REG4
{0x8d, 0x4f}, //RSVD
{0x8e, 0x00}, //RSVD
{0x8f, 0x00}, //RSVD
{0x90, 0x00}, //RSVD
{0x91, 0x00}, //RSVD
{0x92, 0x00}, //DW_LNL,0x19,//0x66
{0x96, 0x00}, //RSVD
{0x9a, 0x80}, //RSVD
{0xb0, 0x84}, //RSVD //80
{0xb1, 0x0c}, //ABLC1
{0xb2, 0x0e}, //RSVD
{0xb3, 0x82}, //THL_DLT
{0xb8, 0x0a}, //RSVD //84
{0x43, 0x14}, //AWBC1
{0x44, 0xf0}, //AWBC2
{0x45, 0x34}, //AWBC3
{0x46, 0x58}, //AWBC4
{0x47, 0x28}, //AWBC5
{0x48, 0x3a}, //AWBC6
{0x59, 0x88}, //RSVD
{0x5a, 0x88}, //RSVD
{0x5b, 0x44}, //RSVD
{0x5c, 0x67}, //RSVD
{0x5d, 0x49}, //RSVD
{0x5e, 0x0e}, //RSVD
{0x64, 0x04}, //LCC3
{0x65, 0x20}, //LCC4
{0x66, 0x05}, //LCC5
{0x94, 0x04}, //LCC6
{0x95, 0x08}, //LCC7 100
{0x6c, 0x0a}, //AWBCTR3
{0x6d, 0x55}, //AWBCTR2
{0x6e, 0x11}, //AWBCTR1
{0x6f, 0x9f}, //AWBCTR0,0x9e for advance AWB
{0x6a, 0x40}, //GGAIN
{0x01, 0x40}, //BLUE
{0x02, 0x40}, //RED
{0x13, 0xe7}, //COM8
{0x15, 0x00}, //COM10
{0x2d, 0x00},
/* Color Matrix */
{0x4f, 0x80}, //MTX1
{0x50, 0x80}, //MTX2
{0x51, 0x00}, //MTX3
{0x52, 0x22}, //MTX4
{0x53, 0x5e}, //MTX5
{0x54, 0x80}, //MTX6
{0x55, 0x00}, //亮度//default setting
{0x56, 0x52}, //对比度
{0x58, 0x9e}, //MTXS
{0x41, 0x08}, //COM16
{0x3f, 0x05}, //边缘增强调整
{0x75, 0x05}, //REG75
{0x76, 0xe1}, //REG76
{0x4c, 0x0F}, //噪声抑制强度
{0x77, 0x0a}, //REG77
{0x3d, 0xc2}, //0xc0,
{0x4b, 0x09}, //REG4B
{0xc9, 0x60}, //SATCTR
{0x41, 0x38}, //COM16
{0x56, 0x40}, //0x40,change according to Jim's request
{0x34, 0x11}, //ARBLM
{0x3b, 0x02}, //COM11,0x00,//0x02,
{0xa4, 0x89}, //0x88,
{0x96, 0x00}, //RSVD
{0x97, 0x30}, //RSVD
{0x98, 0x20}, //RSVD 135
{0x99, 0x30}, //RSVD
{0x9a, 0x84}, //RSVD
{0x9b, 0x29}, //RSVD
{0x9c, 0x03}, //RSVD
{0x9d, 0x4c}, //BD50ST
{0x9e, 0x3f}, //BD60ST
{0x78, 0x04}, //RSVD
{0x79, 0x01}, //RSVD
{0xc8, 0xf0}, //RSVD
{0x79, 0x0f}, //RSVD
{0xc8, 0x00}, //RSVD
{0x79, 0x10}, //RSVD
{0xc8, 0x7e}, //RSVD
{0x79, 0x0a}, //RSVD
{0xc8, 0x80}, //RSVD
{0x79, 0x0b}, //RSVD
{0xc8, 0x01}, //RSVD
{0x79, 0x0c}, //RSVD
{0xc8, 0x0f}, //RSVD
{0x79, 0x0d}, //RSVD
{0xc8, 0x20}, //RSVD
{0x79, 0x09}, //RSVD
{0xc8, 0x80}, //RSVD
{0x79, 0x02}, //RSVD
{0xc8, 0xc0}, //RSVD
{0x79, 0x03}, //RSVD
{0xc8, 0x40}, //RSVD
{0x79, 0x05}, //RSVD
{0xc8, 0x30}, //RSVD
{0x79, 0x26}, //RSVD
{0x09, 0x02}, //COM2
{0x3b, 0x42}, //COM11,x82,//0xc0,//0xc2, //night mode 167 自己先顶一下,希望各位能指点下我。不胜感激了哦。 问题补充:我的摄像头,在白天拍照的效果比较差,如下图所示:貌似产生了干扰。请教高手该 怎样解决?知道的请吱一声哦,谢谢!
(本人QQ:892650480)
图像如下:http://cache.amobbs.com/bbs_upload782111/files_39/ourdev_638623FAGVQG.jpg
(原文件名:21.jpg) lz,请问一下,为什么数据大了,就一直接收数据呀?例如,下位机发送640*480个字节,上位机却一直在接收,自己不能停下来,显示图像的区域一直闪烁 谁有上位机软件?发给我一个呗!!非常感谢 邮箱1101628989@qq.com 软件已上传至论坛,自己下载吧。 {:smile:}手下咯谢咯 厉害!能不能把源码给我看看啊! 顶起。。。。。 顶起 。。。。 顶,可以共享下源码么~万分感谢~最近也在弄这个 能不能把源码给我参考下,多谢!769039981@qq.com 楼主说自己用STM32直接驱动ov7670的,等一帧图像接收完成后再通过串口传给上位机,那你这一帧图像这么大的数据是存储在什么地方的? 楼主的诺言呢?源码和原理图呢? 学习了! 求楼主的原码
楼主能不能共享一下原码?
不错啊,看看... 你这样直接驱动STM32F1速度不够,你要带FIFO
如果是F2 F4系列 有直接的接口~ 看来我也要学学了。{:smile:} 楼主您好,我是一名学生,因为跨专业读研,原先我电路和软件水平都很一般,现在做的一个项目,和您这个有类似地方,但是我做得非常吃力,天天熬夜也出不来,,,现在好久没进展了,想借鉴下您这个,不知您能发我一份原理图看看吗,可以的话真的不胜感激!我的邮箱是wei19871027@126.com 我正需要这个呢,不过还需要加一个识别模块。 不知道你的问题解决了没有? 是个思路 手下上位机了,顶一个 本帖最后由 mikeliujia 于 2014-10-15 21:01 编辑
mikeliujia 发表于 2014-1-10 19:21
楼主您好,我是一名学生,因为跨专业读研,原先我电路和软件水平都很一般,现在做的一个项目,和您这个有类 ...
5月份已经驱动成功,效果还行,回头又看到帖子,不胜感慨,此记。我是机械专业学生,嵌入式零基础,做的很辛苦,原谅项目还没有结题,不便公开代码。
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