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CLAUDE.md: screen rotation verified at all angles

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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patriandClaude Opus 5.5 committed 2026-10-23 18:22:10 +02:00
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@@ -70,7 +70,7 @@ If upload fails: hold BOOT (GPIO0) while plugging in / resetting.
## Display driver pattern (shared board library `shared/lib/JC3636W518`, was the vendor `scr_st77916.h`)
`scr_lvgl_init()` does everything: LEDC backlight → CST816S on I2C @400 kHz → QSPI bus @**80 MHz** (vendor: 50) → `ESP_PanelLcd_ST77916(bus, 16bpp, RST)` → `invertColor(true)` → `lv_init()` + tick → LVGL display with **two 72-row draw buffers** (2 × ~52 KB internal RAM) → flush callback with DMA-done callback → touch indev. Returns the `lv_display_t*`.
Helpers: `setRotation(0..3)` / `getRotation()` (panel rotates via MADCTL swap/mirror like the vendor table; touch converted in software in `touchpad_read`), `set_brightness(0..100)`, `screen_switch(bool)`; `perf_monitor.h` prints FPS/refresh/other/CPU once per second.
Helpers: `setRotation(0..3)` / `getRotation()` (panel rotates via MADCTL swap/mirror like the vendor table; touch converted in software in `touchpad_read`; **verified by the user at all 4 angles**, 2026-10-23), `set_brightness(0..100)`, `screen_switch(bool)`; `perf_monitor.h` prints FPS/refresh/other/CPU once per second.
Display color format is `RGB565_SWAPPED` (ST77916 byte order, set in `lv_conf.h`).
## Folder contents