# region 继电器


import RPi.GPIO as GPIO


import time
# GPIO 代码
# 定义继电器引脚
EN_Relay = 17


def init_gpio():
    """初始化GPIO设置"""
    GPIO.setmode(GPIO.BCM)
    GPIO.setup(EN_Relay, GPIO.OUT)
    # 初始化为高电平（关闭状态）
    GPIO.output(EN_Relay, GPIO.LOW)
    time.sleep(1)  # 等待稳定


def turn_on_relay():
    """打开继电器（设置为LOW）"""
    try:
        GPIO.output(EN_Relay, GPIO.HIGH)
        #print('Relay turned on (LOW)')
    except Exception as e:
        print(f"Error turning on relay: {e}")


def turn_off_relay():
    """关闭继电器（设置为HIGH）"""
    try:
        GPIO.output(EN_Relay, GPIO.LOW)
        #print('Relay turned off (HIGH)')
    except Exception as e:
        print(f"Error turning off relay: {e}")