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Author: andyfanybo

build-armbian/armbian-files/common-files/usr/bin/fanoes.sh

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+#!/bin/bash
+
+# 配置参数
+THRESHOLD_TEMP=40    # 开启风扇温度阈值(°C)
+CHECK_INTERVAL=30    # 检查间隔(秒)
+FAN_CONTROL="/sys/class/leds/FAN_GPIO/brightness"  # 风扇控制文件路径
+
+# 获取CPU温度（兼容不同系统）
+get_cpu_temp() {
+    # 优先从/sys/class/thermal读取
+    for temp_file in /sys/class/thermal/thermal_zone*/temp; do
+        if [ -f "$temp_file" ]; then
+            echo $(($(cat "$temp_file")/1000))
+            return 0
+        fi
+    done
+
+    # 备选方案：使用sensors命令
+    if command -v sensors >/dev/null; then
+        sensors | grep -E 'Package|Core' | awk '{print $3}' | grep -oE '[0-9]+' | head -1
+    else
+        echo "错误：无法读取CPU温度！" >&2
+        exit 1
+    fi
+}
+
+# 控制风扇状态
+set_fan() {
+    echo $1 | sudo tee "$FAN_CONTROL" >/dev/null
+}
+
+# 主循环
+echo "启动风扇控制服务（>${THRESHOLD_TEMP}°C时开启）"
+while true; do
+    temp=$(get_cpu_temp)
+    
+    if [ "$temp" -gt "$THRESHOLD_TEMP" ]; then
+        set_fan 1
+        echo "$(date '+%Y-%m-%d %H:%M:%S') CPU温度: ${temp}°C > ${THRESHOLD_TEMP}°C → 风扇开启"
+    else
+        set_fan 0
+        echo "$(date '+%Y-%m-%d %H:%M:%S') CPU温度: ${temp}°C ≤ ${THRESHOLD_TEMP}°C → 风扇关闭"
+    fi
+
+    sleep "$CHECK_INTERVAL"
+done