consolidate sketches

boards/esp32-s3-lcd-43/board_config.h

@@ -0,0 +1,52 @@
+#pragma once
+
+#define BOARD_NAME        "WS_S3_43"
+#define DISPLAY_WIDTH     800
+#define DISPLAY_HEIGHT    480
+#define DISPLAY_ROTATION  0     // landscape, USB-C on left
+
+// ── RGB parallel bus pins (directly to ST7262 panel) ──
+#define LCD_DE     40
+#define LCD_VSYNC  41
+#define LCD_HSYNC  39
+#define LCD_PCLK   42
+
+#define LCD_R0  45
+#define LCD_R1  48
+#define LCD_R2  47
+#define LCD_R3  21
+#define LCD_R4  14
+
+#define LCD_G0   5
+#define LCD_G1   6
+#define LCD_G2   7
+#define LCD_G3  15
+#define LCD_G4  16
+#define LCD_G5   4
+
+#define LCD_B0   8
+#define LCD_B1   3
+#define LCD_B2  46
+#define LCD_B3   9
+#define LCD_B4   1
+
+// ── CH422G I2C IO expander ──
+// Controls LCD_RST, TP_RST, LCD_BL, SD_CS via I2C
+#define I2C_SDA  17
+#define I2C_SCL  18
+#define I2C_FREQ 100000
+
+// CH422G I2C command addresses
+#define CH422G_WRITE_OC   0x46
+#define CH422G_SET_MODE   0x48
+#define CH422G_READ_IN    0x4C
+
+// EXIO bit positions
+#define EXIO_TP_RST  (1 << 0)   // EXIO1
+#define EXIO_LCD_BL  (1 << 1)   // EXIO2 — also drives DISP signal!
+#define EXIO_LCD_RST (1 << 2)   // EXIO3
+#define EXIO_SD_CS   (1 << 3)   // EXIO4
+
+// ── GT911 Touch ──
+#define GT911_ADDR  0x5D
+#define TOUCH_INT   -1     // not wired to a readable GPIO on this board