Remove obsolete audio and buzzer control documentation files, including detailed guides and HTML interfaces, to streamline the repository and eliminate redundancy. This cleanup enhances maintainability and focuses on essential resources for the reTerminal DM4 audio and buzzer functionalities.

archive/chromium-setup-legacy/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)"