#!/usr/bin/env python # -*- coding: utf-8 -*- import socket import binascii import time import threading import logging from PySide6.QtCore import Signal, QObject import numpy as np import Constant class RelayController: need_origin_signal = Signal(str) take_no_photo_sigal = Signal() update_detect_image = Signal(np.ndarray) log_signal = Signal(int, str) def __init__(self, host='192.168.0.18', port=50000): # ===================== 全局线程延时参数 ===================== self.sensor1_loop_delay = 0.2 # SENSOR1 线程轮询间隔（秒） self.sensor1_error_delay = 1.0 # SENSOR1 出错时延时（秒） self.sensor1_post_action_delay = 0.2 # SENSOR1 每次循环后延时（秒） self.sensor2_loop_delay = 0.1 # SENSOR2 线程轮询间隔（秒） # self.sensor2_loop_delay = 0.5 # SENSOR2 线程轮询间隔（秒） self.sensor2_error_delay = 0.5 # SENSOR2 出错时延时（秒） self.sensor2_post_action_delay = 0.2 # SENSOR2 每次循环后延时（秒） # ===================== 全局动作延时参数 ===================== self.delay_conveyor = 0.5 # 传送带开/关动作延时（一半时间，我在控制程序和线程都加了一样的延时） self.delay_pusher = 0.05 # 推板开/关动作延时 self.delay_clamp = 0.5 # 夹爪动作延时 self.delay_after_pusher = 3.0 # 推板推出后到重启传动带时间 # ===================== 传感器稳定检测参数 ===================== self.sensor_stable_duration = 1.0 # 传感器状态稳定检测时间（秒） self.sensor_max_attempts = 3 # 连续检测次数达到此值判定有效 self.sensor1_debounce_time = 1.0 # 传感器1防抖时间（秒） # ===================== 网络与设备映射 ===================== self.host = host self.port = port self.CONVEYOR1 = 'conveyor1' self.PUSHER = 'pusher' self.CONVEYOR2 = 'conveyor2' self.CONVEYOR2_REVERSE = 'conveyor2_reverse' self.CLAMP = 'clamp' self.PUSHER1 = 'pusher1' self.SENSOR1 = 'sensor1' self.SENSOR2 = 'sensor2' self.valve_commands = { self.CONVEYOR1: {'open': '00000000000601050000FF00', 'close': '000000000006010500000000'}, self.PUSHER: {'open': '00000000000601050001FF00', 'close': '000000000006010500010000'}, #滚筒，2000 0012正转，2000 0022 2001变频器频率调整 2000正反转。 self.CONVEYOR2: {'open': '000100000006020620000012', 'close': '000100000006020620000001'}, #DO4 self.CLAMP: {'open': '00000000000601050003FF00', 'close': '000000000006010500030000'}, #DO5 self.PUSHER1: {'open': '00000000000601050004FF00', 'close': '000000000006010500040000'}, self.CONVEYOR2_REVERSE: {'open': '000100000006020620000022', 'close': '000100000006020620000001'} } #devices:读取继点器的状态 #sensors 传感器的状态 D12 self.read_status_command = { 'devices': '000000000006010100000008', 'sensors': '000000000006010200000008' } self.device_bit_map = { self.CONVEYOR1: 0, self.PUSHER: 1, self.CONVEYOR2: 2, self.CLAMP: 3, self.PUSHER1: 4, self.CONVEYOR2_REVERSE: 5 } self.sensor_bit_map = { self.SENSOR1: 0, self.SENSOR2: 1, } self.device_name_map = { self.CONVEYOR1: "传送带1", self.PUSHER: "推板开", self.CONVEYOR2: "传送带2", self.CLAMP: "机械臂夹爪", self.PUSHER1: "推板关", self.CONVEYOR2_REVERSE: "传送带2反转" } self.sensor_name_map = { self.SENSOR1: '位置传感器1', self.SENSOR2: '位置传感器2', } # ===================== 状态控制变量 ===================== self._running = False self._sensor1_thread = None self._sensor2_thread = None self.required_codes = {'0101', '0103'} # 有效状态码（传感器1） self.required_codes_1 = {'0102', '0103'} # 有效状态码（传感器2） self.sensor1_triggered = False self.sensor1_last_time = 0 self.sensor2_ready = True self.motor_stopped_by_sensor2 = False # ===================== 基础通信方法 ===================== def send_command(self, command_hex, retry_count=2, source='unknown'): if Constant.DebugPosition: return True byte_data = binascii.unhexlify(command_hex) for attempt in range(retry_count): try: with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock: sock.settimeout(10) sock.connect((self.host, self.port)) sock.send(byte_data) response = sock.recv(1024) hex_response = binascii.hexlify(response).decode('utf-8') #if source == 'sensor': #print(f"[传感器响应] {hex_response}") #elif source == 'device': #print(f"[设备控制响应] {hex_response}") #else: #print(f"[通信响应] {hex_response}") return response except Exception as e: print(f"网络继电器通信错误 ({source}): {e}, 尝试重连... ({attempt + 1}/{retry_count})") time.sleep(5) self.trigger_alarm() return None def trigger_alarm(self): print("警告：网络继电器连续多次通信失败，请检查设备连接！") # ===================== 状态读取方法 ===================== def get_all_device_status(self, command_type='devices'): if Constant.DebugPosition: return {self.SENSOR2:True} command = self.read_status_command.get(command_type) if not command: print(f"未知的网络继电器读取类型: {command_type}") return {} source = 'sensor' if command_type == 'sensors' else 'device' response = self.send_command(command, source=source) status_dict = {} if response and len(response) >= 10: status_byte = response[9] status_bin = f"{status_byte:08b}"[::-1] bit_map = self.device_bit_map if command_type == 'devices' else self.sensor_bit_map name_map = self.device_name_map if command_type == 'devices' else self.sensor_name_map for key, bit_index in bit_map.items(): status_dict[key] = status_bin[bit_index] == '1' else: print(f"网络继电器[{command_type}] 读取状态失败或响应无效") return status_dict def get_all_sensor_responses(self, command_type='sensors'): """ 获取所有传感器的原始 Modbus 响应字符串 示例：{'sensor1': '00000000000401020101', 'sensor2': '00000000000401020100'} """ command = self.read_status_command.get(command_type) if not command: print(f"未知的读取类型: {command_type}") return {} source = 'sensor' if command_type == 'sensors' else 'device' response = self.send_command(command, source=source) responses = {} if response and len(response) >= 10: hex_response = binascii.hexlify(response).decode('utf-8') print(f"[原始响应][{command_type}] {hex_response}") # 假设传感器数据从第 9 字节开始，长度为 2 字节 for name, bit_index in self.sensor_bit_map.items(): offset = 9 + (bit_index // 8) bit_pos = bit_index % 8 byte = response[offset] status = (byte >> bit_pos) & 1 responses[name] = hex_response else: print(f"[{command_type}] 无法获取响应数据") return responses def parse_status_code(self, response): """ 从 Modbus 响应字符串中提取状态码（后两位） 示例：00000000000401020101 -> '01' """ if isinstance(response, str) and len(response) >= 18: return response[16:20] return None def is_valid_sensor_status(self, sensor_name): stable_count = 0 for _ in range(int(self.sensor_stable_duration / self.sensor1_loop_delay)): responses = self.get_all_sensor_responses('sensors') response = responses.get(sensor_name) if not response: stable_count = 0 else: status_code = self.parse_status_code(response) if status_code in self.required_codes: stable_count += 1 if stable_count >= self.sensor_max_attempts: return True else: stable_count = 0 time.sleep(self.sensor1_loop_delay) return False def is_valid_sensor_status_1(self, sensor_name): stable_count = 0 for _ in range(int(self.sensor_stable_duration / self.sensor2_loop_delay)): responses = self.get_all_sensor_responses('sensors') response = responses.get(sensor_name) if not response: print(f"[警告] 无法获取 {sensor_name} 的响应，尝试重试...") stable_count = 0 else: status_code = self.parse_status_code(response) if status_code in self.required_codes_1: stable_count += 1 if stable_count >= self.sensor_max_attempts: return True else: stable_count = 0 time.sleep(self.sensor2_loop_delay) return False # ===================== 动作控制方法 ===================== def open(self, conveyor1=False, pusher=False, conveyor2=False, clamp=False, pusher1=False, conveyor2_reverse=False): if Constant.DebugPosition: return status = self.get_all_device_status() if conveyor1 and not status.get(self.CONVEYOR1, False): self.send_command(self.valve_commands[self.CONVEYOR1]['open']) time.sleep(self.delay_conveyor) if pusher and not status.get(self.PUSHER, False): self.send_command(self.valve_commands[self.PUSHER]['open']) time.sleep(self.delay_pusher) if conveyor2 and not status.get(self.CONVEYOR2, False): self.send_command(self.valve_commands[self.CONVEYOR2]['open']) time.sleep(self.delay_conveyor) if clamp and not status.get(self.CLAMP, False): self.send_command(self.valve_commands[self.CLAMP]['open']) time.sleep(self.delay_clamp) if pusher1 and not status.get(self.PUSHER1, False): self.send_command(self.valve_commands[self.PUSHER1]['open']) time.sleep(self.delay_pusher) if conveyor2_reverse: self.send_command(self.valve_commands[self.CONVEYOR2_REVERSE]['open']) time.sleep(self.delay_conveyor) def close(self, conveyor1=False, pusher=False, conveyor2=False, clamp=False, pusher1=False, conveyor2_reverse=False): if conveyor1: self.send_command(self.valve_commands[self.CONVEYOR1]['close']) time.sleep(self.delay_conveyor) if pusher: self.send_command(self.valve_commands[self.PUSHER]['close']) time.sleep(self.delay_pusher) if conveyor2: self.send_command(self.valve_commands[self.CONVEYOR2]['close']) time.sleep(self.delay_conveyor) if clamp: self.send_command(self.valve_commands[self.CLAMP]['close']) time.sleep(self.delay_clamp) if pusher1: self.send_command(self.valve_commands[self.PUSHER1]['close']) time.sleep(self.delay_pusher) if conveyor2_reverse: self.send_command(self.valve_commands[self.CONVEYOR2_REVERSE]['close']) time.sleep(self.delay_conveyor) # ===================== 传感器处理线程 ===================== def handle_sensor1(self): while self._running: try: if self.is_valid_sensor_status(self.SENSOR1): current_time = time.time() if not self.sensor1_triggered and ( current_time - self.sensor1_last_time) > self.sensor1_debounce_time: self.sensor1_triggered = True self.sensor1_last_time = current_time # 1.停止包装机皮带电机：关闭 conveyor1 self.close(conveyor1=True) time.sleep(self.delay_conveyor) # 2.推板开启：推出去动作 self.open(pusher=True) time.sleep(self.delay_pusher) self.close(pusher=True) # 推板推出后重新启动电机时间传送带1延时 time.sleep(self.delay_after_pusher) # 3.重新开启包装机皮带电机: 开启conveyor1 self.open(conveyor1=True) time.sleep(self.delay_conveyor) # 4.推板关闭：推板收回来动作 self.open(pusher1=True) time.sleep(self.delay_pusher) self.close(pusher1=True) time.sleep(1) # 5. 状态检查（可选） status = self.get_all_device_status() if status.get('conveyor1') and not status.get('pusher'): print("流程完成1：皮带运行中，推板已收回") else: print("状态异常，请检查设备") # 流程结束，重置触发标志 self.sensor1_triggered = False time.sleep(self.sensor1_loop_delay) except Exception as e: print(f"SENSOR1 处理错误: {e}") self.sensor1_triggered = False time.sleep(self.sensor1_error_delay) def handle_sensor2(self): while self._running: try: if self.is_valid_sensor_status_1(self.SENSOR2): if not self.sensor2_ready: self.close(conveyor2=True) self.motor_stopped_by_sensor2 = True self.sensor2_ready = True else: if self.sensor2_ready: #and self.motor_stopped_by_sensor2: self.open(conveyor2=True) self.motor_stopped_by_sensor2 = False self.sensor2_ready = False time.sleep(self.sensor2_loop_delay) except Exception as e: print(f"SENSOR2 处理错误: {e}") time.sleep(self.sensor2_error_delay) # ===================== 线程控制方法 ===================== def start(self): if self._running: print("线程已经在运行") return print("启动传感器线程") self._running = True self._sensor1_thread = threading.Thread(target=self.handle_sensor1, daemon=True) self._sensor2_thread = threading.Thread(target=self.handle_sensor2, daemon=True) self._sensor1_thread.start() self._sensor2_thread.start() def stop(self): if not self._running: print("线程未在运行") return print("停止传感器线程") self._running = False if self._sensor1_thread: self._sensor1_thread.join() if self._sensor2_thread: self._sensor2_thread.join() print("传感器线程已终止。") def stop_sensor(self,sensor1_thread,sensor2_thread): if not self._running: print("线程未在运行") return print("停止传感器线程") self._running = False if sensor1_thread and sensor1_thread.is_alive(): sensor1_thread.join() if sensor2_thread and sensor2_thread.is_alive(): sensor2_thread.join() print("传感器线程已终止。") def start_sensor1_only(self): if self._running: print("传感器线程已经在运行") return print("启动传感器1监听线程...") self._running = True self._sensor1_thread = threading.Thread(target=self.handle_sensor1, daemon=True) self._sensor1_thread.start() if __name__ == '__main__': controller = RelayController() controller.start() try: while True: time.sleep(1) except KeyboardInterrupt: controller.stop()