80 lines
2.5 KiB
Bash
Executable File
80 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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# Aggressive display keep-alive for Raspberry Pi
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# Supports both X11 and Wayland environments
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DISPLAY_TIMEOUT=30
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# Detect display server type
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detect_display_server() {
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if [ -n "$WAYLAND_DISPLAY" ]; then
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echo "wayland"
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elif [ -n "$DISPLAY" ]; then
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echo "x11"
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else
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echo "unknown"
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fi
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}
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DISPLAY_SERVER=$(detect_display_server)
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while true; do
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# Keep HDMI powered on (works for both X11 and Wayland)
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if command -v tvservice &> /dev/null; then
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/usr/bin/tvservice -p 2>/dev/null
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fi
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if [ "$DISPLAY_SERVER" = "wayland" ]; then
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# Wayland-specific power management
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# Method 1: Use wlr-randr for Wayland compositors (if available)
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if command -v wlr-randr &> /dev/null; then
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wlr-randr --output HDMI-A-1 --on 2>/dev/null || true
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fi
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# Method 2: Prevent idle using systemd-inhibit
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if command -v systemd-inhibit &> /dev/null; then
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# This is already running, but refresh the lock
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systemctl --user restart plasma-ksmserver.service 2>/dev/null || true
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fi
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# Method 3: Use wlopm (Wayland output power management)
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if command -v wlopm &> /dev/null; then
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wlopm --on \* 2>/dev/null || true
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fi
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# Method 4: Simulate activity via input (works on Wayland)
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if command -v ydotool &> /dev/null; then
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ydotool mousemove -x 1 -y 1 2>/dev/null || true
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ydotool mousemove -x -1 -y -1 2>/dev/null || true
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fi
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# Method 5: GNOME/KDE Wayland idle inhibit
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if command -v gnome-session-inhibit &> /dev/null; then
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# Already inhibited by running process
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true
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fi
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else
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# X11-specific power management (original code)
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if command -v xset &> /dev/null; then
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DISPLAY=:0 xset s off 2>/dev/null
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DISPLAY=:0 xset -dpms 2>/dev/null
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DISPLAY=:0 xset dpms force on 2>/dev/null
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DISPLAY=:0 xset s reset 2>/dev/null
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fi
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# Move mouse to trigger activity
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if command -v xdotool &> /dev/null; then
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DISPLAY=:0 xdotool mousemove_relative 1 1 2>/dev/null
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DISPLAY=:0 xdotool mousemove_relative -1 -1 2>/dev/null
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fi
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# Disable monitor power saving
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if command -v xrandr &> /dev/null; then
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DISPLAY=:0 xrandr --output HDMI-1 --power-profile performance 2>/dev/null || true
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fi
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fi
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sleep $DISPLAY_TIMEOUT
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done
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