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License_plate_recognition/communicate.py
2025-10-19 18:03:57 +08:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
向Hi3861设备发送JSON命令
"""
import socket
import json
import time
import pyttsx3
import threading
target_ip = "192.168.43.12"
target_port = 8081
def speak_text(text):
"""
使用文本转语音播放文本
每次调用都创建新的引擎实例以避免并发问题
"""
def _speak():
try:
if text and text.strip(): # 确保文本不为空
# 在线程内部创建新的引擎实例
engine = pyttsx3.init()
# 设置语音速度
engine.setProperty('rate', 150)
# 设置音量0.0到1.0
engine.setProperty('volume', 0.8)
engine.say(text)
engine.runAndWait()
# 清理引擎
engine.stop()
del engine
except Exception as e:
print(f"语音播放失败: {e}")
# 在新线程中播放语音,避免阻塞
speech_thread = threading.Thread(target=_speak)
speech_thread.daemon = True
speech_thread.start()
def send_command(cmd, text):
#cmd为1道闸打开十秒后关闭,oled显示字符串信息默认使用及cmd为4
#cmd为2道闸舵机向打开方向旋转90度oled上不显示仅在qt界面手动开闸时调用
#cmd为3道闸舵机向关闭方向旋转90度oled上不显示仅在qt界面手动关闸时调用
#cmd为4oled显示字符串信息道闸舵机不旋转
command = {
"cmd": cmd,
"text": text
}
json_command = json.dumps(command, ensure_ascii=False)
try:
# 创建UDP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(json_command.encode('utf-8'), (target_ip, target_port))
# 发送命令后播放语音
if text and text.strip():
speak_text(text)
except Exception as e:
print(f"发送命令失败: {e}")
finally:
sock.close()