Hello @nicola3 ,
Thank you for updating post.
This is my first project with STM and I'm a little bit overwhelmed.
To start with DCMI, I recommend you to take a look to Introduction to digital camera interface (DCMI) for STM32 MCUs Application note. This application note gives to the STM32 users some basic concepts, with easy-to-understand explanations of the features, architecture, and configuration of the DCMI. It is supported by an extensive set of detailed examples (section 8 DCMI application examples).
I don't know how to converting this data into an image and how to save it to the DMA.
You can start from available examples and get inspired to create your own project for example:
To display your image on LCD, DCMI_CaptureMode example can help you. This application descripts how to use the DCMI to interface with a camera module to continuously capture RGB565 images, crop them from size 320x240 to 240x240 then display the video stream on the LCD.
To display capture data or video on your computer display, this example can help you: FP-AI-VISION1_V3.1.0\Projects\STM32H747I-DISCO\Applications\USB_Webcam in FP-AI-VISION1 package.
I hope this help you!
Thank you.
Kaouthar
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