【串口輸出】

luckfox login: root
Password:

Login incorrect
luckfox login: root
Password:
[root@luckfox root]#
[root@luckfox root]#
[root@luckfox root]# ls
ov5640  photos
[root@luckfox root]# rm -rf photos
[root@luckfox root]# ls
ov5640
[root@luckfox root]# ./ov5640
interval=1/15
code=0x2006, field=1
Driver: rkcif
Card: rkcif
Bus info: platform:rkcif-mipi-lvds
Version: 330400
VIDIOC_ENUM_FMT start
        1.Y/CbCr 4:2:2
        2.Y/CrCb 4:2:2
        3.Y/CbCr 4:2:0
        4.Y/CrCb 4:2:0
        5.YUYV 4:2:2
        6.YVYU 4:2:2
        7.UYVY 4:2:2
        8.VYUY 4:2:2
VIDIOC_ENUM_FMT end
Size: 2592x1944
Size: 2592x1944
i=0, buf.length=1, buf.m.planes[0]=10119168, buf.m.planes[0].m.mem_offset=0
i=1, buf.length=1, buf.m.planes[0]=10119168, buf.m.planes[0].m.mem_offset=101212
16
i=2, buf.length=1, buf.m.planes[0]=10119168, buf.m.planes[0].m.mem_offset=202424
32
i=3, buf.length=1, buf.m.planes[0]=10119168, buf.m.planes[0].m.mem_offset=303636
48
i=0, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=1, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=2, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=3, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=4, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=5, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=6, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=7, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=8, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=9, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=10, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=11, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=12, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=13, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=14, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=15, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=16, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=17, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=18, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=19, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=20, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=21, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=22, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=23, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=24, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=25, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=26, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=27, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=28, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=29, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=30, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=31, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=32, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=33, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=34, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=35, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=36, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=37, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=38, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=39, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=40, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=41, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=42, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=43, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=44, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=45, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
i=46, buf.index=2, buf.length=1, buf.m.planes[0].length=10119168
i=47, buf.index=3, buf.length=1, buf.m.planes[0].length=10119168
i=48, buf.index=0, buf.length=1, buf.m.planes[0].length=10119168
i=49, buf.index=1, buf.length=1, buf.m.planes[0].length=10119168
[root@luckfox root]#

 

照片的採集速度很快，但是板載flash的讀寫速度很慢。
2592x1944解像度下，每張bmp照片的大小是14.4MB，保存一張照片到flash上要好幾秒。
板載flash空間有限，最多隻能採集13張照片（photo0.bmp~photo12.bmp），而且攝像頭剛啟動時採集的四張照片（photo0~3）是不正確的，從photo4開始才是正確的照片。到最後flash空間滿了，photo13.bmp不完整，所以在電腦上無法查看。

【電路圖】

注意13腳MCLK0必須外接24MHz有源晶振，不能用RV1106的I/O口輸出的24MHz時鐘，否則OV5640 I2C接口無響應。