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add UC8197 driver #94

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BlitzCityDIY
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@BlitzCityDIY
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@ladyada UC8197 driver. i haven't been able to test it yet because the 7.5" throws a memory error for the feather thinkink and trying to locate my eink friend to wire up with a pi

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ladyada commented Aug 14, 2025

ooh thats odd theres a memory error it does need a lot of SRAM but the RP2040 should be good for it?

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if i pass the 5.83" dimensions then it runs but once it gets the 800 its too much 🫤 tried called gc.collect() right before init too

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ladyada commented Aug 14, 2025

hmm maybe its trying to allocate two buffers - kk ill make an RP2350 version

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able to test with thinkink feather by passing self._buffer2 = self._buffer1. going to update the library to be able to continue if it can allocate 1 buffer.

text is mirrored right now so trying to chase that down

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ladyada commented Aug 14, 2025

Panel setting

    self.command(_UC8179_PANELSETTING, bytearray([0b011111]))  # BW OTP LUT

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