Implement automatic page scaling feature with viewport adjustments

chromium-setup/test_led.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+# LED Test Script for reTerminal DM4
+
+LED_PATH='/sys/class/leds/usr-led/brightness'
+
+echo "Testing reTerminal DM4 LED"
+echo "=========================="
+echo ""
+
+# Test 1: Turn ON
+echo "Test 1: Turning LED ON..."
+echo 1 | sudo tee $LED_PATH > /dev/null
+sleep 1
+echo "LED should be ON now"
+echo ""
+
+# Test 2: Turn OFF
+echo "Test 2: Turning LED OFF..."
+echo 0 | sudo tee $LED_PATH > /dev/null
+sleep 1
+echo "LED should be OFF now"
+echo ""
+
+# Test 3: Blink pattern
+echo "Test 3: Blinking LED (5 times)..."
+for i in {1..5}; do
+    echo 1 | sudo tee $LED_PATH > /dev/null
+    sleep 0.2
+    echo 0 | sudo tee $LED_PATH > /dev/null
+    sleep 0.2
+done
+echo ""
+
+# Test 4: Fast blink
+echo "Test 4: Fast blink (10 times)..."
+for i in {1..10}; do
+    echo 1 | sudo tee $LED_PATH > /dev/null
+    sleep 0.1
+    echo 0 | sudo tee $LED_PATH > /dev/null
+    sleep 0.1
+done
+echo ""
+
+# Test 5: Slow blink
+echo "Test 5: Slow blink (3 times)..."
+for i in {1..3}; do
+    echo 1 | sudo tee $LED_PATH > /dev/null
+    sleep 0.5
+    echo 0 | sudo tee $LED_PATH > /dev/null
+    sleep 0.5
+done
+echo ""
+
+# Ensure LED is off
+echo 0 | sudo tee $LED_PATH > /dev/null
+
+echo "LED test complete!"
+echo ""
+echo "Current LED status:"
+cat $LED_PATH && echo " (0 = OFF, 1 = ON)"