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trian

OV7670 and BASYS3

Question

Hello, I am trying to do chroma-keying using BASYS3. I want to take data from OV7670 and replace the green pixels with the pixels of an image previously loaded to block ram. However, I did not understand how can I capture only one frame like taking a picture with OV7670. I used the code here: https://www.fpga4student.com/2018/08/basys-3-fpga-ov7670-camera.html (I am a newbie at FPGA)

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Hello @trian,

You have to write a simple state machine or a process that controls the write enable signal for the frame buffer. You have to pull it down after you successfully transferred a frame image. That's all. 

 

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