关于oc7670调试问题
时间:10-02
整理:3721RD
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我用的ov7670摄像头头调试时出现一个问题 如下图,我七彩色测试是如下图,但是到了非测试模式就出现异常,是不是寄存器配置有问题,应该修改哪些寄存器呢
#include "sensor.h"
const char OV7670_reg[OV7670_REG_NUM][2]=
{
/*以下为OV7670 QVGA RGB565参数 */
{0x3a, 0x04},//
{0x40, 0x10},
{0x12, 0x14},
{0x32, 0x80},
{0x17, 0x16},
{0x18, 0x04},//5
{0x19, 0x02},
{0x1a, 0x7b},//0x7a,
{0x03, 0x06},//0x0a,
{0x0c, 0x0c},
{0x15, 0x02},
{0x3e, 0x00},//10
{0x70, 0x00},
{0x71, 0x00},//调试七彩条
{0x72, 0x11},
{0x73, 0x09},//
{0xa2, 0x02},//15
{0x11, 0x00},
{0x7a, 0x20},
{0x7b, 0x1c},
{0x7c, 0x28},
{0x7d, 0x3c},//20
{0x7e, 0x55},
{0x7f, 0x68},
{0x80, 0x76},
{0x81, 0x80},
{0x82, 0x88},
{0x83, 0x8f},
{0x84, 0x96},
{0x85, 0xa3},
{0x86, 0xaf},
{0x87, 0xc4},//30
{0x88, 0xd7},
{0x89, 0xe8},
{0x13, 0xe0},
{0x00, 0x00},//AGC
{0x10, 0x00},
{0x0d, 0x00},
{0x14, 0x20},//0x38, limit the max gain
{0xa5, 0x05},
{0xab, 0x07},
{0x24, 0x75},//40
{0x25, 0x63},
{0x26, 0xA5},
{0x9f, 0x78},
{0xa0, 0x68},
{0xa1, 0x03},//0x0b,
{0xa6, 0xdf},//0xd8,
{0xa7, 0xdf},//0xd8,
{0xa8, 0xf0},
{0xa9, 0x90},
{0xaa, 0x94},//50
{0x13, 0xe5},
{0x0e, 0x61},
{0x0f, 0x4b},
{0x16, 0x02},
{0x1e, 0x27},//0x07,
{0x21, 0x02},
{0x22, 0x91},
{0x29, 0x07},
{0x33, 0x0b},
{0x35, 0x0b},//60
{0x37, 0x1d},
{0x38, 0x71},
{0x39, 0x2a},
{0x3c, 0x78},
{0x4d, 0x40},
{0x4e, 0x20},
{0x69, 0x5d},
{0x6b, 0x40},//PLL
{0x74, 0x19},
{0x8d, 0x4f},
{0x8e, 0x00},//70
{0x8f, 0x00},
{0x90, 0x00},
{0x91, 0x00},
{0x92, 0x00},//0x19,//0x66
{0x96, 0x00},
{0x9a, 0x80},
{0xb0, 0x84},
{0xb1, 0x0c},
{0xb2, 0x0e},
{0xb3, 0x82},//80
{0xb8, 0x0a},
{0x43, 0x14},
{0x44, 0xf0},
{0x45, 0x34},
{0x46, 0x58},
{0x47, 0x28},
{0x48, 0x3a},
{0x59, 0x88},
{0x5a, 0x88},
{0x5b, 0x44},//90
{0x5c, 0x67},
{0x5d, 0x49},
{0x5e, 0x0e},
{0x64, 0x04},
{0x65, 0x20},
{0x66, 0x05},
{0x94, 0x04},
{0x95, 0x08},
{0x6c, 0x0a},
{0x6d, 0x55},
{0x4f, 0x80},
{0x50, 0x80},
{0x51, 0x00},
{0x52, 0x22},
{0x53, 0x5e},
{0x54, 0x80},
{0x6e, 0x11},//100
{0x6f, 0x9f},//0x9e for advance AWB
{0x55, 0x00},//亮度
{0x56, 0x40},//对比度
{0x57, 0x80},//0x40, change according to Jim's request
};
#include "sensor.h"
const char OV7670_reg[OV7670_REG_NUM][2]=
{
/*以下为OV7670 QVGA RGB565参数 */
{0x3a, 0x04},//
{0x40, 0x10},
{0x12, 0x14},
{0x32, 0x80},
{0x17, 0x16},
{0x18, 0x04},//5
{0x19, 0x02},
{0x1a, 0x7b},//0x7a,
{0x03, 0x06},//0x0a,
{0x0c, 0x0c},
{0x15, 0x02},
{0x3e, 0x00},//10
{0x70, 0x00},
{0x71, 0x00},//调试七彩条
{0x72, 0x11},
{0x73, 0x09},//
{0xa2, 0x02},//15
{0x11, 0x00},
{0x7a, 0x20},
{0x7b, 0x1c},
{0x7c, 0x28},
{0x7d, 0x3c},//20
{0x7e, 0x55},
{0x7f, 0x68},
{0x80, 0x76},
{0x81, 0x80},
{0x82, 0x88},
{0x83, 0x8f},
{0x84, 0x96},
{0x85, 0xa3},
{0x86, 0xaf},
{0x87, 0xc4},//30
{0x88, 0xd7},
{0x89, 0xe8},
{0x13, 0xe0},
{0x00, 0x00},//AGC
{0x10, 0x00},
{0x0d, 0x00},
{0x14, 0x20},//0x38, limit the max gain
{0xa5, 0x05},
{0xab, 0x07},
{0x24, 0x75},//40
{0x25, 0x63},
{0x26, 0xA5},
{0x9f, 0x78},
{0xa0, 0x68},
{0xa1, 0x03},//0x0b,
{0xa6, 0xdf},//0xd8,
{0xa7, 0xdf},//0xd8,
{0xa8, 0xf0},
{0xa9, 0x90},
{0xaa, 0x94},//50
{0x13, 0xe5},
{0x0e, 0x61},
{0x0f, 0x4b},
{0x16, 0x02},
{0x1e, 0x27},//0x07,
{0x21, 0x02},
{0x22, 0x91},
{0x29, 0x07},
{0x33, 0x0b},
{0x35, 0x0b},//60
{0x37, 0x1d},
{0x38, 0x71},
{0x39, 0x2a},
{0x3c, 0x78},
{0x4d, 0x40},
{0x4e, 0x20},
{0x69, 0x5d},
{0x6b, 0x40},//PLL
{0x74, 0x19},
{0x8d, 0x4f},
{0x8e, 0x00},//70
{0x8f, 0x00},
{0x90, 0x00},
{0x91, 0x00},
{0x92, 0x00},//0x19,//0x66
{0x96, 0x00},
{0x9a, 0x80},
{0xb0, 0x84},
{0xb1, 0x0c},
{0xb2, 0x0e},
{0xb3, 0x82},//80
{0xb8, 0x0a},
{0x43, 0x14},
{0x44, 0xf0},
{0x45, 0x34},
{0x46, 0x58},
{0x47, 0x28},
{0x48, 0x3a},
{0x59, 0x88},
{0x5a, 0x88},
{0x5b, 0x44},//90
{0x5c, 0x67},
{0x5d, 0x49},
{0x5e, 0x0e},
{0x64, 0x04},
{0x65, 0x20},
{0x66, 0x05},
{0x94, 0x04},
{0x95, 0x08},
{0x6c, 0x0a},
{0x6d, 0x55},
{0x4f, 0x80},
{0x50, 0x80},
{0x51, 0x00},
{0x52, 0x22},
{0x53, 0x5e},
{0x54, 0x80},
{0x6e, 0x11},//100
{0x6f, 0x9f},//0x9e for advance AWB
{0x55, 0x00},//亮度
{0x56, 0x40},//对比度
{0x57, 0x80},//0x40, change according to Jim's request
};
原来是线接触不好的原因,而且调了焦距就好了