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contrast(0) vs screen "off"

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  • contrast(0) vs screen "off"

    hi !

    I'm trying to program the screen off function as it was implemented on the SGC (I could perform a screen update with the display off, then switch it back on to avoid ficker during update).
    I tried using the contrast settings but it seem that setting the contrast to 0 totally disables the screen update : when contrast is back to 9, screen contents is unchanged. It works with a contrast of one but it more like a fade out / fade in effect and I need it "cut".

    is there a way to do it like in the SGC ? I guess it's just about turning off/on the OLED power supply while keeping the logic section of the screen working.