图像不清晰先还是试着调镜头的焦距,调锐度估计没有太大的影响。在光线好的情况下一般也会更清晰,还有就是用好的IR CUT镜头。
[mw_shl_code=c,true]//0:自动 1~7:手动
void OV2640_Sharpness(uint8_t sharp)
{
if (sharp > 7) return;
OV2640_WriteReg(0xFF, 0x00);
OV2640_WriteReg(0x92, 0x01);
if (sharp == 0)
{
OV2640_WriteReg(0x93, 0x20); //自动 第5位为1
return;
}
else
{
OV2640_WriteReg(0x93, 0x00); //手动 第5位为0
}
OV2640_WriteReg(0x92, 0x01);
if (sharp == 1)
{
OV2640_WriteReg(0x93, 0xC0); //mask 0x1F
}
else if (sharp == 7)
{
OV2640_WriteReg(0x93, 0xDF);
}
else
{
OV2640_WriteReg(0x93, 0xC0 + (0x01 << (sharp - 2)));
}
}[/mw_shl_code]
|