Add CYD 3.5C build: I2S on 22/21/35 with GT911 poll-only touch.

Export firmware/cyd_35r and document GPIO21 shared with GT911 INT.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-10-27 21:06:10 +08:00
parent 78658e3d62
commit 475f42a49d
9 changed files with 29 additions and 4 deletions

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