OV7670 Raw output Bayer decoding

Today finally took care of OV7670 raw output, excitement!!

Reference Links:

Https://pikacode.com/liplianin/s2-liplianin/commit/dab97f5d6e3b

http://www.amobbs.com/forum.php?mod=viewthread&tid=4736337

Http://www.52rd.com/bbs/Detail_RD.BBS_263309_86_1_1.html

2. #define Rgb565_mask_red 0xf800
4. #define Rgb565_mask_green 0X07E0
6. #define Rgb565_mask_blue 0x001f
10. void Rgb565_2_rgb24 (BYTE *rgb24, WORD rgb565)
12. {
14. //extract RGB
16. RGB24[2] = (rgb565 & rgb565_mask_red) >> 11;
18. RGB24[1] = (rgb565 & rgb565_mask_green) >> 5;
20. Rgb24[0] = (rgb565 & rgb565_mask_blue);
24. //amplify the image
26. RGB24[2] <<= 3;
28. RGB24[1] <<= 2;
30. Rgb24[0] <<= 3;
32. }

OV7670 Raw output Bayer decoding