39 lines
1.5 KiB
YAML
39 lines
1.5 KiB
YAML
i2c:
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- id: i2c_bus
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sda: GPIO8
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scl: GPIO9
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scan: true
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ch422g:
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- id: io_expander
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i2c_id: i2c_bus
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touchscreen:
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- platform: gt911
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id: touch_gt911
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i2c_id: i2c_bus
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address: 0x5D # confirmed via Waveshare's documented I2C address map
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interrupt_pin: GPIO4
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reset_pin:
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ch422g: io_expander
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number: 1 # EXIO1 = TP_RST, per Waveshare pinout
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display: lcd_display
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display:
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- platform: mipi_rgb
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id: lcd_display
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model: WAVESHARE-5-1024X600 # ESPHome's closest built-in preset: same ST7701 chip, data pins,
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# and CH422G reset/enable wiring as this board's 1024x600 panel
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dimensions:
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width: 1024
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height: 600
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pad_width: 0 # the preset's default width/height (1024x600) don't match its inherited
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pad_height: 0 # native_width/native_height (800x480 from the base 4.3" model), which makes
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# ESPHome's offset math go negative unless pad is forced explicitly here
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enable_pin:
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- ch422g: io_expander
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number: 2 # EXIO2 = DISP (backlight enable) — inherited from the base preset
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- ch422g: io_expander
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number: 6 # EXIO6 = LCD_VDD_EN (VCOM enable) — the built-in preset doesn't set
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# this, but the Waveshare wiki confirms VCOM must be driven high on
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# this board or the panel won't display correctly. Added explicitly.
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