ElecScalesMeasur/send_target.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
# @Time    : 2025/2/14 14:44
# @Author  : hjw
# @File    : send_target.py
'''
import socket
import json
import time

target_weight = 200
set_vibrate_time = 10

cmd_set_target = {
    # 称量
    "command": "set_target",
    "payload": {
        "target_weight": target_weight,
        "algorithm": "pid",
        "direction_control": False
    }
}

cmd_get_weight = {
    # 获取重量
    "command": "get_weight"
    # "payload": {
    #     "target_weight": 200,
    #     "algorithm": "pid"
    # }
}

cmd_set_zero = {
    # 去皮
    "command": "set_zero",
    "payload": {
        # "target_weight": 200,
        # "algorithm": "pid"
    }
}


cmd_set_vibrate = {                           # 振动控制
    "command": "set_vibrate",
    "payload": {
        "time": set_vibrate_time                            # 单位S
    }
}


# 使用 with 语句确保 socket 在使用完毕后正确关闭
with socket.socket() as s:
    s.connect(('127.0.0.1', 5000))

    # 发送称重命令
    try:
        s.sendall(json.dumps(cmd_set_target).encode())
        print("已发送目标值设定指令")

        start_time = time.time()
        # 接收数据
        while True:
            data = s.recv(1024)
            if not data:
                print("连接已关闭")
                break

            decoded = data.decode()
            print(f"收到数据: {decoded}")

            try:
                response = json.loads(decoded)
                current_weight = response.get("current_weight")
                if current_weight is not None:
                    print(f"当前重量：{current_weight}")
                    if current_weight >= target_weight:
                        print("目标已达到，发送振动控制指令")
                        s.sendall(json.dumps(cmd_set_vibrate).encode())
                        break
            except socket.error as e:
                print(f"接收数据时发生错误: {e}")
                # break  # 如果接收失败，退出循环
    except socket.error as e:
        print(f"发送数据时发生错误: {e}")
        # break  # 如果发送失败，退出循环