100 lines
2.2 KiB
YAML
100 lines
2.2 KiB
YAML
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psram:
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mode: octal
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speed: 80MHz
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i2c:
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sda: 8
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scl: 9
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# CH422G I/O expander (Waveshare uses it for LCD reset/backlight/touch reset)
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ch422g:
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- id: ch422g_hub
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# --- Backlight control (CH422G IO2 is common for Waveshare LCD BL) ---
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switch:
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- platform: gpio
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name: "LCD Backlight Raw"
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id: lcd_backlight_raw
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restore_mode: ALWAYS_ON
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pin:
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ch422g: ch422g_hub
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number: 2
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mode:
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output: true
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# A nicer HA-exposed control (so you can also automate it from HA)
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light:
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- platform: binary
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name: "HA Remote Backlight"
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output: lcd_backlight_out
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id: ha_remote_backlight
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output:
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- platform: template
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id: lcd_backlight_out
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type: binary
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write_action:
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- if:
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condition:
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lambda: return state;
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then:
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- switch.turn_on: lcd_backlight_raw
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else:
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- switch.turn_off: lcd_backlight_raw
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# --- Inactivity tracking (dim/off + wake on touch) ---
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globals:
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- id: last_activity_ms
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type: uint32_t
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restore_value: no
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initial_value: '0'
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interval:
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- interval: 1s
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then:
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- lambda: |-
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if (id(last_activity_ms) == 0) id(last_activity_ms) = millis();
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# Turn off backlight ONCE at 2 minutes idle.
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- if:
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condition:
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lambda: |-
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const uint32_t idle_s = (millis() - id(last_activity_ms)) / 1000;
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return idle_s == 120;
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then:
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- light.turn_off: ha_remote_backlight
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# --- Display ---
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display:
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- platform: mipi_rgb
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model: ESP32-S3-TOUCH-LCD-7-800X480
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id: main_display
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update_interval: never
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auto_clear_enabled: false
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reset_pin:
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ch422g: ch422g_hub
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number: 3
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mode:
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output: true
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# --- Touch ---
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touchscreen:
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platform: gt911
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id: touch_panel
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update_interval: 120ms
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reset_pin:
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ch422g: ch422g_hub
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number: 1
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mode:
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output: true
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on_touch:
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then:
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- lambda: |-
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id(last_activity_ms) = millis();
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- light.turn_on: ha_remote_backlight
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# --- LVGL UI ---
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# Note: On ESP32-S3-Touch-LCD-7, GPIO14 is used by the RGB display bus,
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# so it cannot be reused as ADC for battery telemetry in this display mode.
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