Portenta H7 Custom OV5640 Board

Arduino Boards
1

Hi,

I’ve made a custom Portenta H7 shield. It’s pinned out similarly to the OpenMV Cam H7 Plus. I’m able to bring up the camera but I’m getting a split frame or horizontal wiping effect (see attachment). I’ve left the Portenta omv_boardconfig.h largely untouched from the upstream except for enabling the OV5640 and changing the DCMI_PWDN and DCMI_RESET pins. Any suggestions on things to look into to get rid of the wiping? I thought a clock setting somewhere might be to blame but so far nothing has worked.

portenta_ov5640
portenta_ov56401383×1038 104 KB

Video

Thanks.

2

There’s an abandoned PR here to fix the OV5640 on Portenta, maybe you would want to pick it up from there and send it back once it’s working.

3

Thanks @iabdalkader, that’s exactly what I was looking for. I’ll give that a shot and report back. Thanks.

4

Yeah, there’s some pin mapping issues here. Need to fix it.

5

Thanks a lot @iabdalkader and @kwagyeman, using that pull request as a reference I was able to get things up and running properly. I’ll try and clean it up a bit and make a pull request. Thanks again.