ov2640 输出480x320的设置请教？

hpdell · 发表于 2014-12-12 21:28:39

请教下，ov2640 图像输出分辨率的设置，

我目前需要设置为480x320,

目前480x272的分辨率是可以显示出来的，不过显示后图像会不停的移动。

正点原子 · 发表于 2014-12-12 21:28:40

用我们的代码很容易设置。请参考我们代码。

hpdell · 发表于 2014-12-13 13:02:11

回复【2楼】正点原子:
---------------------------------
你好，已经解决了啊

/* Initialisation sequence for 480x320 resolution */
const unsigned char OV2640_480x320[][2]=
{

{0xff, 0x00}, // Device control register list Table 12
{0x2c, 0xff}, // Reserved
{0x2e, 0xdf}, // Reserved
{0xff, 0x01}, // Device control register list Table 13
{0x3c, 0x32}, // Reserved
{0x11, 0x00}, // Clock Rate Control
{0x09, 0x02}, // Common control 2
{0x04, 0xD8}, //水平镜像,垂直翻转 {0x04, 0xA8},
{0x13, 0xe5}, // Common control 8
{0x14, 0x48}, // Common control 9
{0x2c, 0x0c}, // Reserved
{0x33, 0x78}, // Reserved
{0x3a, 0x33}, // Reserved
{0x3b, 0xfB}, // Reserved
{0x3e, 0x00}, // Reserved
{0x43, 0x11}, // Reserved
{0x16, 0x10}, // Reserved
{0x4a, 0x81}, // Reserved
{0x21, 0x99}, // Reserved
{0x24, 0x40}, // Luminance signal High range
{0x25, 0x38}, // Luminance signal low range
{0x26, 0x82}, //
{0x5c, 0x00}, // Reserved
{0x63, 0x00}, // Reserved
{0x46, 0x3f}, // Frame length adjustment
{0x0c, 0x3c}, // Common control 3
{0x61, 0x70}, // Histogram algo low level
{0x62, 0x80}, // Histogram algo high level
{0x7c, 0x05}, // Reserved
{0x20, 0x80}, // Reserved
{0x28, 0x30}, // Reserved
{0x6c, 0x00}, // Reserved
{0x6d, 0x80}, // Reserved
{0x6e, 0x00}, // Reserved
{0x70, 0x02}, // Reserved
{0x71, 0x94}, // Reserved
{0x73, 0xc1}, // Reserved
{0x3d, 0x34}, // Reserved
{0x5a, 0x57}, // Reserved
{0x12, 0x00}, // Common control 7
{0x11, 0x00}, // Clock Rate Control 2
{0x17, 0x11}, // Horiz window start MSB 8bits
{0x18, 0x75}, // Horiz window end MSB 8bits
{0x19, 0x01}, // Vert window line start MSB 8bits
{0x1a, 0x97}, // Vert window line end MSB 8bits
{0x32, 0x36},
{0x03, 0x0f},
{0x37, 0x40},
{0x4f, 0xbb},
{0x50, 0x9c},
{0x5a, 0x57},
{0x6d, 0x80},
{0x6d, 0x38},
{0x39, 0x02},
{0x35, 0x88},
{0x22, 0x0a},
{0x37, 0x40},
{0x23, 0x00},
{0x34, 0xa0},
{0x36, 0x1a},
{0x06, 0x02},
{0x07, 0xc0},
{0x0d, 0xb7},
{0x0e, 0x01},
{0x4c, 0x00},
{0xff, 0x00},
{0xe5, 0x7f},
{0xf9, 0xc0},
{0x41, 0x24},
{0xe0, 0x14},
{0x76, 0xff},
{0x33, 0xa0},
{0x42, 0x20},
{0x43, 0x18},
{0x4c, 0x00},
{0x87, 0xd0},
{0x88, 0x3f},
{0xd7, 0x03},
{0xd9, 0x10},
{0xd3, 0x82},
{0xc8, 0x08},
{0xc9, 0x80},
{0x7d, 0x00},
{0x7c, 0x03},
{0x7d, 0x48},
{0x7c, 0x08},
{0x7d, 0x20},
{0x7d, 0x10},
{0x7d, 0x0e},
{0x90, 0x00},
{0x91, 0x0e},
{0x91, 0x1a},
{0x91, 0x31},
{0x91, 0x5a},
{0x91, 0x69},
{0x91, 0x75},
{0x91, 0x7e},
{0x91, 0x88},
{0x91, 0x8f},
{0x91, 0x96},
{0x91, 0xa3},
{0x91, 0xaf},
{0x91, 0xc4},
{0x91, 0xd7},
{0x91, 0xe8},
{0x91, 0x20},
{0x92, 0x00},
{0x93, 0x06},
{0x93, 0xe3},
{0x93, 0x02},
{0x93, 0x02},
{0x93, 0x00},
{0x93, 0x04},
{0x93, 0x00},
{0x93, 0x03},
{0x93, 0x00},
{0x93, 0x00},
{0x93, 0x00},
{0x93, 0x00},
{0x93, 0x00},
{0x93, 0x00},
{0x93, 0x00},
{0x96, 0x00},
{0x97, 0x08},
{0x97, 0x19},
{0x97, 0x02},
{0x97, 0x0c},
{0x97, 0x24},
{0x97, 0x30},
{0x97, 0x28},
{0x97, 0x26},
{0x97, 0x02},
{0x97, 0x98},
{0x97, 0x80},
{0x97, 0x00},
{0x97, 0x00},
{0xc3, 0xef},
{0xff, 0x00},
{0xba, 0xdc},
{0xbb, 0x08},
{0xb6, 0x24},
{0xb8, 0x33},
{0xb7, 0x20},
{0xb9, 0x30},
{0xb3, 0xb4},
{0xb4, 0xca},
{0xb5, 0x43},
{0xb0, 0x5c},
{0xb1, 0x4f},
{0xb2, 0x06},
{0xc7, 0x00},
{0xc6, 0x51},
{0xc5, 0x11},
{0xc4, 0x9c},
{0xbf, 0x00},
{0xbc, 0x64},
{0xa6, 0x00},
{0xa7, 0x1e},
{0xa7, 0x6b},
{0xa7, 0x47},
{0xa7, 0x33},
{0xa7, 0x00},
{0xa7, 0x23},
{0xa7, 0x2e},
{0xa7, 0x85},
{0xa7, 0x42},
{0xa7, 0x33},
{0xa7, 0x00},
{0xa7, 0x23},
{0xa7, 0x1b},
{0xa7, 0x74},
{0xa7, 0x42},
{0xa7, 0x33},
{0xa7, 0x00},
{0xa7, 0x23},
{0xc0, 0xc8},
{0xc1, 0x96},
{0x8c, 0x00},
{0x86, 0x3d},
{0x50, 0x92},
{0x51, 0x90},
{0x52, 0x2c},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x88},
{0x5a, 0x50},
{0x5b, 0x3c},
{0x5c, 0x00},
{0xd3, 0x04},
{0x7f, 0x00},
{0xda, 0x00},
{0xe5, 0x1f},
{0xe1, 0x67},
{0xe0, 0x00},
{0xdd, 0x7f},
{0x05, 0x00},
{0xff, 0x00},
{0xe0, 0x04},
{0xc0, 0xc8},
{0xc1, 0x96},
{0x86, 0x3d},
{0x50, 0x92},
{0x51, 0x90},
{0x52, 0x2c},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x88},
{0x57, 0x00},
{0x5a, 0x50},
{0x5b, 0x3c},
{0x5c, 0x00},
{0xd3, 0x04},
{0xe0, 0x00},
{0xFF, 0x00},
{0x05, 0x00},
{0xDA, 0x08},
{0xda, 0x09},
{0x98, 0x00},
{0x99, 0x00},
{0x00, 0x00},
{0xff, 0x00},
{0xe0, 0x04},
{0xc0, 0xc8},
{0xc1, 0x96},

{0x86, 0x35},
{0x50, 0x80},

{0x51, 0x90},
{0x52, 0x2c},
{0x53, 0x00},
{0x54, 0x00},
{0x55, 0x88},
{0x57, 0x00},

{0x5a, 0x78}, //outw[7:0](real/4) 输出摄像头宽度值，如果宽度是480/4=120（120转换为16进制是0x78）
{0x5b, 0x50}, //outh[7:0](real/4) 输出摄像头高度值，如果宽度是320/4=80 （80 转换为16进制是0x50）

{0x5c, 0x00},
{0xd3, 0x04},
{0xe0, 0x00},

};

登云钓月 · 发表于 2014-12-15 10:04:29

如果保存大图的时候，会不会图片只显示一半呢？

hpdell · 发表于 2014-12-15 11:28:04

回复【4楼】登云钓月:
---------------------------------
估计保存大图时，如果内存比较小会有数据丢失等情况发生了吧，这个东东又不能一遍接收摄像头的数据，一边进行保存，

要是能够一边接收一边保存就好了，到时就不会占用较大的内存了啊

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ov2640 输出480x320的设置请教？

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ov2640 输出480x320的设置 请教？

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ov2640 输出480x320的设置请教？