Experimental JC3248W535 (Guition 3.5" AXS15231B) support#74

Draft

theNailz wants to merge 15 commits intoKeralots:mainfrom

theNailz:feature/jc3248w535

Commits on Apr 19, 2026

Commits on Apr 20, 2026

JC3248W535 AXS15231B porting: diagnostics + vendor ESP-IDF driver shim
theNailz
committed

Commits on Apr 23, 2026

JC3248W535: sprite-based push to bypass AXS15231B QSPI addressing limits
theNailz
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JC3248W535: byte-swap pixels in pushRawPixels for LSB-first wire order
theNailz
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JC3248W535: wire sprite-backed rendering into BambuHelper's normal loop
theNailz
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JC3248W535: default buttonType to BTN_TOUCHSCREEN when USE_AXS_TOUCH is set
theNailz
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JC3248W535: zero button pin on conflict with touch I2C / backlight / buzzer
theNailz
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JC3248W535: support runtime portrait rotation via sprite-side rotation
theNailz
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JC3248W535: drop diagnostic scaffolding before merge
theNailz
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