[add] 快速验证linux网关的LED状态，可以关闭，可以打开

01_test_linux_led_status.sh

+#!/bin/bash
+
+# 定义引脚范围
+MIN_PIN=447
+MAX_PIN=462
+
+# 检查参数是否正确
+if [ $# -ne 2 ]; then
+    echo "用法: $0 <引脚号|all> <状态(on/off)"
+    echo "示例: $0 447 on      # 点亮447号引脚连接的LED"
+    echo "      $0 all on      # 点亮所有447~462引脚的LED"
+    echo "      $0 all off     # 关闭所有LED"
+    exit 1
+fi
+
+TARGET=$1
+STATE=$2
+
+# 检查状态参数是否有效
+if [ "$STATE" != "on" ] && [ "$STATE" != "off" ]; then
+    echo "错误: 状态必须是'on'或'off'"
+    exit 1
+fi
+
+# 处理单个引脚
+control_single_pin() {
+    local PIN=$1
+    local STATE=$2
+    
+    # 检查引脚是否在有效范围内
+    if [ $PIN -lt $MIN_PIN ] || [ $PIN -gt $MAX_PIN ]; then
+        echo "错误: 引脚号必须在$MIN_PIN~$MAX_PIN之间"
+        return 1
+    fi
+
+    # 导出GPIO引脚（如果尚未导出）
+    if [ ! -d "/sys/class/gpio/gpio$PIN" ]; then
+        echo "导出GPIO引脚 $PIN..."
+        echo $PIN > /sys/class/gpio/export || {
+            echo "导出引脚$PIN失败，请检查权限或引脚是否被占用"
+            return 1
+        }
+        # 等待系统响应
+        sleep 0.1
+    fi
+
+    # 设置引脚为输出模式
+    echo "out" > /sys/class/gpio/gpio$PIN/direction || {
+        echo "引脚$PIN设置输出模式失败"
+        return 1
+    }
+
+    # 控制LED状态
+    if [ "$STATE" = "on" ]; then
+        echo "1" > /sys/class/gpio/gpio$PIN/value
+        echo "LED (引脚 $PIN) 已点亮"
+    else
+        echo "0" > /sys/class/gpio/gpio$PIN/value
+        echo "LED (引脚 $PIN) 已关闭"
+    fi
+}
+
+# 处理所有引脚
+control_all_pins() {
+    local STATE=$1
+    echo "正在$STATE所有LED ($MIN_PIN~$MAX_PIN)..."
+    
+    for (( PIN=$MIN_PIN; PIN<=$MAX_PIN; PIN++ )); do
+        control_single_pin $PIN $STATE
+    done
+    
+    echo "所有LED已$STATE"
+}
+
+# 根据目标执行相应操作
+if [ "$TARGET" = "all" ]; then
+    control_all_pins $STATE
+else
+    # 检查输入是否为数字
+    if ! [[ "$TARGET" =~ ^[0-9]+$ ]]; then
+        echo "错误: 引脚号必须是数字或'all'"
+        exit 1
+    fi
+    control_single_pin $TARGET $STATE
+fi
+