ov5642测试不成功，怎么办

bbmmdjejsjcc

用网页里面
/unit_tests/mxc_v4l2_overlay.out -iw 640 -ih 480 -ow 640 -oh 480
命令测试摄像头
输出信息如下：
g_display_width = 640, g_display_height = 480
g_display_top = 0, g_display_left = 0
ov5642_write_reg:write reg error:reg=3801,val=80
sensor chip is ov5642_camera
sensor supported frame size:
640x480
320x240
720x480
720x576
1280x720
1920x1080
2592x1944
176x144
1024x768
sensor frame format: YUYV
ov5642_write_reg:write reg error:reg=401c,val=4
write reg error addr=0x401c
mxc_v4l2_s_param: vidioc_int_s_parm returned an error -1
VIDIOC_S_PARM failed
Setup overlay failed.



请问这么解决呢

bbmmdjejsjcc

找到原因了，系统配置的I2C波特率是100K，我把它改到10K,就每次都能识别了，可能是买的摄像头模块比较差的原因，自己回复一下，供大家参考