53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#pragma once
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#define BOARD_NAME "WS_S3_43"
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#define DISPLAY_WIDTH 800
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#define DISPLAY_HEIGHT 480
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#define DISPLAY_ROTATION 0 // landscape, USB-C on left
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// ── RGB parallel bus pins (directly to ST7262 panel) ──
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#define LCD_DE 40
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#define LCD_VSYNC 41
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#define LCD_HSYNC 39
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#define LCD_PCLK 42
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#define LCD_R0 45
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#define LCD_R1 48
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#define LCD_R2 47
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#define LCD_R3 21
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#define LCD_R4 14
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#define LCD_G0 5
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#define LCD_G1 6
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#define LCD_G2 7
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#define LCD_G3 15
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#define LCD_G4 16
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#define LCD_G5 4
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#define LCD_B0 8
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#define LCD_B1 3
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#define LCD_B2 46
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#define LCD_B3 9
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#define LCD_B4 1
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// ── CH422G I2C IO expander ──
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// Controls LCD_RST, TP_RST, LCD_BL, SD_CS via I2C
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#define I2C_SDA 17
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#define I2C_SCL 18
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#define I2C_FREQ 100000
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// CH422G I2C command addresses
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#define CH422G_WRITE_OC 0x46
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#define CH422G_SET_MODE 0x48
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#define CH422G_READ_IN 0x4C
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// EXIO bit positions
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#define EXIO_TP_RST (1 << 0) // EXIO1
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#define EXIO_LCD_BL (1 << 1) // EXIO2 — also drives DISP signal!
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#define EXIO_LCD_RST (1 << 2) // EXIO3
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#define EXIO_SD_CS (1 << 3) // EXIO4
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// ── GT911 Touch ──
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#define GT911_ADDR 0x5D
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#define TOUCH_INT -1 // not wired to a readable GPIO on this board
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