Correct ST7796/cyd_35r backlight, leave INT as input after reset, export firmware/cyd_35r. Co-authored-by: Cursor <cursoragent@cursor.com>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#pragma once
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// Board pins — 2.8" default; 3.5" when CYD_BOARD_3248S035 is set (env:cyd_35r)
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// See ../CYD_PROJECT_GUIDE.md §A
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#if defined(CYD_BOARD_3248S035)
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#define TFT_BL_PIN 27
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#define SCREEN_WIDTH 320
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#define SCREEN_HEIGHT 480
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#define UI_HOR_RES 480
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#define UI_VER_RES 320
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/* 3.5C capacitive GT911 (ESP32-3248S035C). GPIO33 is I2C SDA, not TOUCH_CS.
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* BL=27; INT=21 (not shared with BL). Touch-btn OUT stays GPIO22. */
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#define CYD_GT911_SDA 33
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#define CYD_GT911_SCL 32
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#define CYD_GT911_INT 21
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#define CYD_GT911_RST 25
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#define CYD_TFT_CS 15
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#else
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#define TFT_BL_PIN 21
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#define SCREEN_WIDTH 240
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#define SCREEN_HEIGHT 320
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#define UI_HOR_RES 320
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#define UI_VER_RES 240
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/* 2.8" CYD: SoftSPI touch. BL=21; touch-btn OUT GPIO22. */
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#define CYD_TOUCH_IRQ 36
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#define CYD_TOUCH_MOSI 32
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#define CYD_TOUCH_MISO 39
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#define CYD_TOUCH_CLK 25
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#define CYD_TOUCH_CS 33
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#define CYD_TFT_CS 15
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#endif
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/* Map 320x240 design coordinates onto the active UI resolution (identity on 2.8"). */
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#define UX(x) ((int)(((long)(x) * (UI_HOR_RES)) / 320))
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#define UY(y) ((int)(((long)(y) * (UI_VER_RES)) / 240))
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#define UW(w) UX(w)
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#define UH(h) UY(h)
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/* Partial frame buffer: 3.5 needs smaller ratio to fit DRAM. */
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#if defined(CYD_BOARD_3248S035)
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#define DRAW_BUF_DIV 20
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#else
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#define DRAW_BUF_DIV 10
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#endif
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/* Primary peripheral pin — same on 2.8 and 3.5 */
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#define BTN_PIN 22
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