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port blimp's osd onto the arm board

I want to port blimp's osd onto the arm board, do you have specific instructions

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  • HI;

    I had this board, and I ported the blimp program to this board, and it showed up right.
    I will be the airship program port to their own projects, through the debugging of iic, the image display is normal.
    But I can't get it to show osd.
    Is it because I didn't write spi interface?,
    Can osd only be displayed through iic?
    I've blocked the SpiTransfer function in adi's code, which displays the blimp tag.So I wonder if I can display characters directly on the screen through iic?

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