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发表于 2015-10-29 08:24:57
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OV2640 Software Application Notes 1.04中的亮度设置如下。不过里面说越亮图片越模糊。
Brightness +2
SCCB_salve_Address = 0x60;
write_SCCB(0xff, 0x00);
write_SCCB(0x7c, 0x00);
write_SCCB(0x7d, 0x04);
write_SCCB(0x7c, 0x09);
write_SCCB(0x7d, 0x40);
write_SCCB(0x7d, 0x00);
Brightness +1
SCCB_salve_Address = 0x60;
write_SCCB(0xff, 0x00);
write_SCCB(0x7c, 0x00);
write_SCCB(0x7d, 0x04);
write_SCCB(0x7c, 0x09);
write_SCCB(0x7d, 0x30);
write_SCCB(0x7d, 0x00);
Brightness 0
SCCB_salve_Address = 0x60;
write_SCCB(0xff, 0x00);
write_SCCB(0x7c, 0x00);
write_SCCB(0x7d, 0x04);
write_SCCB(0x7c, 0x09);
write_SCCB(0x7d, 0x20);
write_SCCB(0x7d, 0x00);
Brightness -1
SCCB_salve_Address = 0x60;
write_SCCB(0xff, 0x00);
write_SCCB(0x7c, 0x00);
write_SCCB(0x7d, 0x04);
write_SCCB(0x7c, 0x09);
write_SCCB(0x7d, 0x10);
write_SCCB(0x7d, 0x00);
Brightness -2
SCCB_salve_Address = 0x60;
write_SCCB(0xff, 0x00);
write_SCCB(0x7c, 0x00);
write_SCCB(0x7d, 0x04);
write_SCCB(0x7c, 0x09);
write_SCCB(0x7d, 0x00);
write_SCCB(0x7d, 0x00); |
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