有人用过ov7670吗

pangfumin · 发表于 2014-2-16 21:31:07

各位，有人用过7670吗，
其默认是rgb565格式的图像
如何将其设置成yuv格式的呢

徐晋鸿！ · 发表于 2014-2-16 23:15:54

你想用来做啥

majorfog · 发表于 2014-2-17 13:27:20

用SCCB可以设置吧

pangfumin · 发表于 2014-2-17 16:33:02

徐晋鸿！发表于 2014-2-16 23:15
你想用来做啥

做车，降成本

pangfumin · 发表于 2014-2-17 16:33:22

majorfog 发表于 2014-2-17 13:27
用SCCB可以设置吧

嗯哪，但是好多寄存器

majorfog · 发表于 2014-2-17 18:50:40

pangfumin 发表于 2014-2-17 16:33
嗯哪，但是好多寄存器

我还真没设置过，不过我记得好像火哥和黛墨都出过sccb的例程

pangfumin · 发表于 2014-2-19 10:42:44

成功了，自己回复一下好了

/***************************************************************************
名称：void set_Cmos7670reg(void)
功能：CMOS寄存器配置
入口参数：无
出口参数：无
说明：
调用方法：set_Cmos7670reg();
***************************************************************************/
void set_Cmos7670reg(void)
{

WrCmos7670(0x3a, 0x04);
WrCmos7670(0x40, 0xd0);
WrCmos7670(0x12, 0x14);
WrCmos7670(0x32, 0x80);
WrCmos7670(0x17, 0x16);
WrCmos7670(0x18, 0x04);
WrCmos7670(0x19, 0x02);
WrCmos7670(0x1a, 0x7b);
WrCmos7670(0x03, 0x06);
WrCmos7670(0x0c, 0x00);
WrCmos7670(0x3e, 0x00);
WrCmos7670(0x70, 0x3a);
WrCmos7670(0x71, 0x35);
WrCmos7670(0x72, 0x11);
WrCmos7670(0x73, 0x00);
WrCmos7670(0xa2, 0x02);
WrCmos7670(0x11, 0x81);

WrCmos7670(0x7a, 0x20);
WrCmos7670(0x7b, 0x1c);
WrCmos7670(0x7c, 0x28);
WrCmos7670(0x7d, 0x3c);
WrCmos7670(0x7e, 0x55);
WrCmos7670(0x7f, 0x68);
WrCmos7670(0x80, 0x76);
WrCmos7670(0x81, 0x80);
WrCmos7670(0x82, 0x88);
WrCmos7670(0x83, 0x8f);
WrCmos7670(0x84, 0x96);
WrCmos7670(0x85, 0xa3);
WrCmos7670(0x86, 0xaf);
WrCmos7670(0x87, 0xc4);
WrCmos7670(0x88, 0xd7);
WrCmos7670(0x89, 0xe8);

WrCmos7670(0x13, 0xe0);
WrCmos7670(0x00, 0x00);

WrCmos7670(0x10, 0x00);
WrCmos7670(0x0d, 0x00);
WrCmos7670(0x14, 0x28);
WrCmos7670(0xa5, 0x05);
WrCmos7670(0xab, 0x07);
WrCmos7670(0x24, 0x75);
WrCmos7670(0x25, 0x63);
WrCmos7670(0x26, 0xA5);
WrCmos7670(0x9f, 0x78);
WrCmos7670(0xa0, 0x68);
WrCmos7670(0xa1, 0x03);
WrCmos7670(0xa6, 0xdf);
WrCmos7670(0xa7, 0xdf);
WrCmos7670(0xa8, 0xf0);
WrCmos7670(0xa9, 0x90);
WrCmos7670(0xaa, 0x94);
WrCmos7670(0x13, 0xe5);

WrCmos7670(0x0e, 0x61);
WrCmos7670(0x0f, 0x4b);
WrCmos7670(0x16, 0x02);
WrCmos7670(0x1e, 0x37);
WrCmos7670(0x21, 0x02);
WrCmos7670(0x22, 0x91);
WrCmos7670(0x29, 0x07);
WrCmos7670(0x33, 0x0b);
WrCmos7670(0x35, 0x0b);
WrCmos7670(0x37, 0x1d);
WrCmos7670(0x38, 0x71);
WrCmos7670(0x39, 0x2a);
WrCmos7670(0x3c, 0x78);
WrCmos7670(0x4d, 0x40);
WrCmos7670(0x4e, 0x20);
WrCmos7670(0x69, 0x00);
WrCmos7670(0x6b, 0x60);
WrCmos7670(0x74, 0x19);
WrCmos7670(0x8d, 0x4f);
WrCmos7670(0x8e, 0x00);
WrCmos7670(0x8f, 0x00);
WrCmos7670(0x90, 0x00);
WrCmos7670(0x91, 0x00);
WrCmos7670(0x92, 0x00);
WrCmos7670(0x96, 0x00);
WrCmos7670(0x9a, 0x80);
WrCmos7670(0xb0, 0x84);
WrCmos7670(0xb1, 0x0c);
WrCmos7670(0xb2, 0x0e);
WrCmos7670(0xb3, 0x82);
WrCmos7670(0xb8, 0x0a);

WrCmos7670(0x43, 0x14);
WrCmos7670(0x44, 0xf0);
WrCmos7670(0x45, 0x34);
WrCmos7670(0x46, 0x58);
WrCmos7670(0x47, 0x28);
WrCmos7670(0x48, 0x3a);
WrCmos7670(0x59, 0x88);
WrCmos7670(0x5a, 0x88);
WrCmos7670(0x5b, 0x44);
WrCmos7670(0x5c, 0x67);
WrCmos7670(0x5d, 0x49);
WrCmos7670(0x5e, 0x0e);
WrCmos7670(0x64, 0x04);
WrCmos7670(0x65, 0x20);
WrCmos7670(0x66, 0x05);
WrCmos7670(0x94, 0x04);
WrCmos7670(0x95, 0x08);
WrCmos7670(0x6c, 0x0a);
WrCmos7670(0x6d, 0x55);
WrCmos7670(0x6e, 0x11);
WrCmos7670(0x6f, 0x9f);
WrCmos7670(0x6a, 0x40);
WrCmos7670(0x01, 0x40);
WrCmos7670(0x02, 0x40);
WrCmos7670(0x13, 0xe7);
WrCmos7670(0x15, 0x00);

WrCmos7670(0x4f, 0x80);
WrCmos7670(0x50, 0x80);
WrCmos7670(0x51, 0x00);
WrCmos7670(0x52, 0x22);
WrCmos7670(0x53, 0x5e);
WrCmos7670(0x54, 0x80);
WrCmos7670(0x58, 0x9e);

WrCmos7670(0x41, 0x08);
WrCmos7670(0x3f, 0x00);
WrCmos7670(0x75, 0x05);
WrCmos7670(0x76, 0xe1);
WrCmos7670(0x4c, 0x00);
WrCmos7670(0x77, 0x01);
WrCmos7670(0x3d, 0xc2);
WrCmos7670(0x4b, 0x09);
WrCmos7670(0xc9, 0x60);
WrCmos7670(0x41, 0x38);
WrCmos7670(0x56, 0x40);

WrCmos7670(0x34, 0x11);
WrCmos7670(0x3b, 0x02);

WrCmos7670(0xa4, 0x89);
WrCmos7670(0x96, 0x00);
WrCmos7670(0x97, 0x30);
WrCmos7670(0x98, 0x20);
WrCmos7670(0x99, 0x30);
WrCmos7670(0x9a, 0x84);
WrCmos7670(0x9b, 0x29);
WrCmos7670(0x9c, 0x03);
WrCmos7670(0x9d, 0x4c);
WrCmos7670(0x9e, 0x3f);
WrCmos7670(0x78, 0x04);

WrCmos7670(0x79, 0x01);
WrCmos7670(0xc8, 0xf0);
WrCmos7670(0x79, 0x0f);
WrCmos7670(0xc8, 0x00);
WrCmos7670(0x79, 0x10);
WrCmos7670(0xc8, 0x7e);
WrCmos7670(0x79, 0x0a);
WrCmos7670(0xc8, 0x80);
WrCmos7670(0x79, 0x0b);
WrCmos7670(0xc8, 0x01);
WrCmos7670(0x79, 0x0c);
WrCmos7670(0xc8, 0x0f);
WrCmos7670(0x79, 0x0d);
WrCmos7670(0xc8, 0x20);
WrCmos7670(0x79, 0x09);
WrCmos7670(0xc8, 0x80);
WrCmos7670(0x79, 0x02);
WrCmos7670(0xc8, 0xc0);
WrCmos7670(0x79, 0x03);
WrCmos7670(0xc8, 0x40);
WrCmos7670(0x79, 0x05);
WrCmos7670(0xc8, 0x30);
WrCmos7670(0x79, 0x26);
WrCmos7670(0x09, 0x00);

/*

//       {0x3a, 0x04},//RGB
      {0x12, 0x10},//QVGA  YUV
      {0x3a, 0x14},//使用固定UV输出
      {0x3d, 0x80},//使用固定UV输出
                                                      //0       0    :    Y U Y V （3a:14 3d:80）
                                                      //0       1    :    Y V Y U  (3a:14 3d:81)
                                                      //1       0    :    U Y V Y (3a:18 3d:80)
                                                      //1       1    :    V Y U Y (3a:18 3d:81)
      {0x67, 0x11},//固定U值，0x11，方便测试
      {0x68, 0xFF},//固定V值，0xFF，方便测试
//       {0x40, 0x10},//RGB565
      {0x40, 0xC0},//初始配置，YUV模式，这个寄存器必须设置，否则不好使
//       {0x12, 0x14},//QVGA  RGB，

   WrCmos7670(0x12, 0x10);
   WrCmos7670 (0x3a, 0x14);
   WrCmos7670 (0x3d, 0x80);
   WrCmos7670(0x67, 0x11);
   WrCmos7670(0x68, 0xFF);
   WrCmos7670(0x40, 0xC0);


*/
   WrCmos7670(0x12, 0x10);
   WrCmos7670 (0x3a, 0x14);
   WrCmos7670 (0x3d, 0x80);
   WrCmos7670(0x67, 0x11);
   WrCmos7670(0x68, 0xFF);
   WrCmos7670(0x40, 0xC0);

}

静待烟花美 · 发表于 2014-7-21 20:01:43

在吗？
想请问下楼主输出的是分辨率是多少*多少的呢就像我调的QQVGA是160*120的

战神117 · 发表于 2014-7-26 10:25:19

楼主，你用的什么芯片

rootx · 发表于 2014-12-12 15:23:26

来看看啊

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有人用过ov7670吗

RE: 有人用过ov7670吗