Files
desklock/firmware/main
jpmschweitzerandClaude Opus 4.8 4c3718411e Ease DSI PSRAM write bursts: bigger inv buffer + half-rate rain
Two secondary mitigations for the DSI underrun (the primary fix is the
reduced DPI clock in the BSP). Raise LV_INV_BUF_SIZE 32 -> 128 so the
busy rain states stay partial-redraw instead of collapsing into a
full-screen redraw, which dumps a ~1.3 MB PSRAM write burst that
competes with the DSI's continuous framebuffer read. Advance the matrix
rain every other tick (doubled step, visually identical) to halve how
often its ~80 labels invalidate.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LKPbR6DY2JygHbyLjxm7Uu
2026-07-15 14:43:32 +02:00
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