Implement automatic page scaling feature with viewport adjustments

chromium-setup/test_buzzer.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+# Buzzer Test Script for reTerminal DM4
+# Tests various buzzer patterns and functions
+
+BUZZER_PATH='/sys/class/leds/usr-buzzer/brightness'
+
+echo "=========================================="
+echo "  reTerminal DM4 Buzzer Test Script"
+echo "=========================================="
+echo ""
+
+# Function to play a beep
+beep() {
+    local duration=${1:-0.2}
+    echo 1 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+    sleep $duration
+    echo 0 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+}
+
+# Function to blink buzzer
+blink() {
+    local count=${1:-3}
+    local on_time=${2:-0.1}
+    local off_time=${3:-0.1}
+    
+    for i in $(seq 1 $count); do
+        echo 1 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+        sleep $on_time
+        echo 0 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+        sleep $off_time
+    done
+}
+
+# Test 1: Single beep
+echo "Test 1: Single beep (0.2s)"
+beep 0.2
+sleep 0.5
+
+# Test 2: Double beep
+echo "Test 2: Double beep"
+blink 2 0.1 0.1
+sleep 0.5
+
+# Test 3: Triple beep
+echo "Test 3: Triple beep"
+blink 3 0.1 0.1
+sleep 0.5
+
+# Test 4: Long beep
+echo "Test 4: Long beep (0.5s)"
+beep 0.5
+sleep 0.5
+
+# Test 5: Rapid beeps
+echo "Test 5: Rapid beeps (5x)"
+blink 5 0.05 0.05
+sleep 0.5
+
+# Test 6: Slow beeps
+echo "Test 6: Slow beeps (3x)"
+blink 3 0.3 0.3
+sleep 0.5
+
+# Test 7: Success pattern (2 short)
+echo "Test 7: Success pattern"
+blink 2 0.1 0.1
+sleep 0.5
+
+# Test 8: Error pattern (3 fast)
+echo "Test 8: Error pattern"
+blink 3 0.05 0.05
+sleep 0.5
+
+# Ensure buzzer is off
+echo 0 | sudo tee $BUZZER_PATH > /dev/null 2>&1
+
+echo ""
+echo "=========================================="
+echo "  Buzzer test complete!"
+echo "=========================================="
+echo ""
+echo "Current buzzer status: $(cat $BUZZER_PATH) (0=OFF, 1=ON)"