Implement automatic page scaling feature with viewport adjustments

chromium-setup/starwars_buzzer.sh

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+#!/bin/bash
+# Star Wars Theme Song - Buzzer Version
+# Note: Buzzer can only be on/off, so we use timing patterns to create rhythm
+# Volume is simulated at 10% by using very short pulse patterns (PWM-like effect)
+
+BUZZER_PATH='/sys/class/leds/usr-buzzer/brightness'
+DURATION=5  # Total duration in seconds
+
+# Function to play a note with 10% volume effect
+# Uses rapid on/off pulses to simulate lower volume
+# $1 = note duration in hundredths of a second (e.g., 5 = 0.05s)
+play_note() {
+    local note_duration=$1
+    # For 10% volume: 10ms on, 90ms off pattern
+    # This creates a quieter, pulsing effect
+    local cycles=$((note_duration * 2))  # Each cycle is ~50ms
+    
+    for i in $(seq 1 $cycles); do
+        echo 1 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+        sleep 0.005  # 5ms on (10% duty cycle)
+        echo 0 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+        sleep 0.045  # 45ms off
+    done
+}
+
+# Function for silence/pause
+pause() {
+    local duration=$1
+    sleep $duration
+}
+
+# Star Wars Theme Pattern
+# Using timing to represent the iconic opening sequence
+echo "Playing Star Wars Theme (5 seconds, 10% volume)..."
+echo "=================================================="
+echo ""
+
+START_TIME=$(date +%s)
+
+# Opening sequence (famous opening notes)
+# Short-short-short-long pattern
+play_note 2   # Very short
+pause 0.05
+play_note 2
+pause 0.05
+play_note 2
+pause 0.1
+play_note 4   # Longer
+pause 0.1
+play_note 6   # Even longer
+pause 0.15
+
+# Main theme rhythm - first phrase
+play_note 3
+pause 0.05
+play_note 3
+pause 0.05
+play_note 3
+pause 0.1
+play_note 5
+pause 0.1
+play_note 4
+pause 0.1
+play_note 3
+pause 0.1
+play_note 5
+pause 0.15
+
+# Continue theme pattern - second phrase
+play_note 4
+pause 0.05
+play_note 4
+pause 0.05
+play_note 4
+pause 0.1
+play_note 6
+pause 0.1
+play_note 5
+pause 0.1
+play_note 4
+pause 0.1
+play_note 6
+pause 0.15
+
+# Final sequence - third phrase
+play_note 5
+pause 0.05
+play_note 5
+pause 0.05
+play_note 5
+pause 0.1
+play_note 8
+pause 0.1
+play_note 6
+pause 0.1
+play_note 5
+pause 0.1
+play_note 10
+pause 0.2
+
+# Fill remaining time to reach 5 seconds
+CURRENT_TIME=$(date +%s)
+ELAPSED=$((CURRENT_TIME - START_TIME))
+REMAINING=$((DURATION - ELAPSED))
+
+if [ $REMAINING -gt 0 ]; then
+    # Continue theme pattern for remaining time
+    while [ $(date +%s) -lt $((START_TIME + DURATION)) ]; do
+        play_note 4
+        pause 0.1
+        play_note 5
+        pause 0.1
+        play_note 4
+        pause 0.15
+    done
+fi
+
+# Ensure buzzer is off
+echo 0 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+
+echo ""
+echo "Star Wars theme complete!"