ywb
650 lines
22 KiB
Python
650 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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"""
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任务执行器 V3 — M×N 网格蛇形路径拍摄
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工作流：
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1. 根据 grid 生成蛇形路径（奇数行左→右，偶数行右→左）
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2. 逐台机器：
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- 正面：导航 → 扫码(多姿态重试) → 查机型 → 按姿态拍照
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- 背面：导航 → 按姿态拍照
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3. 回到 (0,0)
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"""
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import os
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import time
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import json
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import logging
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import threading
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import subprocess
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import math
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from typing import Optional, Dict, List
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from enum import Enum
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import requests
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import cv2
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import numpy as np
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logger = logging.getLogger(__name__)
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ROS2_SETUP_CMD = "source /opt/ros/humble/setup.bash && source ~/agv_pro_ros2/install/setup.bash"
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from config import ARM_CAMERA_CONFIG
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ARM_CAMERA_SNAPSHOT = ARM_CAMERA_CONFIG["snapshot_url"]
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PHOTOS_DIR = "/home/elephant/photos"
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# 二维码扫描重试参数
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QR_SCAN_TIMEOUT = 5 # 单次扫描超时
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QR_POSE_WAIT = 1.5 # 调整姿态后等待时间
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MANUAL_QR_TIMEOUT = 300 # 5分钟超时
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class MissionStatus(str, Enum):
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IDLE = "idle"
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RUNNING = "running"
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PAUSED = "paused"
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COMPLETED = "completed"
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WAITING_QR = "waiting_qr"
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class MissionExecutorV3:
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"""任务执行器 V3 — M×N 网格蛇形路径"""
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_instance = None # 单例，供外部停止用
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def __init__(self, config: dict):
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self.config = config
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self.status = MissionStatus.IDLE
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MissionExecutorV3._instance = self
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# 实时状态报告
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self.report = {
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"status": "idle",
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"step": "",
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"progress": 0,
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"total": 0,
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"log": [],
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"error": None,
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}
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# 线程同步
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self._stop = threading.Event()
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self._pause = threading.Event()
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self._pause.set() # 初始不暂停
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self._qr_event = threading.Event()
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self._qr_value: Optional[str] = None
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# 设备
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from .arm_client import ArmClient
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self.arm_client = ArmClient(
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config["arm"]["host"],
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config["arm"]["port"]
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)
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from .agv_controller_ros2 import AGVController
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self.agv = AGVController(
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device=config.get("device", "/dev/agvpro_controller"),
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baudrate=config.get("baudrate", 1000000)
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)
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# ==================== 连接 ====================
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def connect_all(self) -> Dict[str, bool]:
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results = {}
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results["agv"] = self.agv.connect()
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results["arm"] = self.arm_client.connect()
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return results
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def disconnect_all(self):
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if self.arm_client:
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self.arm_client.close()
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self.agv.disconnect()
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# ==================== 主任务流程 ====================
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def execute_mission(
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self,
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mission_config: dict,
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machines: list,
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qr_configs: list,
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models: list,
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) -> dict:
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"""
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执行完整拍摄任务。
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Args:
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mission_config: {rows, cols, grid, positions}
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machines: [{id, row, col, front: {coords}, back: {coords}}]
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qr_configs: [{id, name, joint_angles: [a1..a6]}]
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models: [{id, name, poses: [{name, arm_angles}], poses_back: [...]}]
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Returns:
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执行报告 dict
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"""
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self.status = MissionStatus.RUNNING
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self.report = {"status": "running", "step": "初始化", "progress": 0, "total": 0, "log": [], "error": None}
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self._stop.clear()
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self._pause.set()
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start_time = time.time()
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try:
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rows = int(mission_config.get("rows", 1))
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cols = int(mission_config.get("cols", 1))
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grid = mission_config.get("grid", [])
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positions = mission_config.get("positions", [])
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# 1. 生成蛇形路径
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path = self._build_snake_path(rows, cols, grid)
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if not path:
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self._log("❌ 网格中没有机器，任务终止")
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self.report["error"] = "No machines in grid"
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return self._finish(0)
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self.report["total"] = len(path)
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self._log(f"📍 蛇形路径生成: {len(path)} 台机器")
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# 初始化任务列表
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self.report["tasks"] = [{
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"row": r, "col": c,
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"machine_id": f"m_{r}_{c}",
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"label": f"{r+1}-{c+1}",
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"status": "pending",
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"step": "等待",
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"qr_value": None,
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"photos_front": 0,
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"photos_back": 0,
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} for (r, c) in path]
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# 初始化任务列表
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self.report["tasks"] = [{
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"row": r, "col": c,
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"machine_id": f"m_{r}_{c}",
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"label": f"{r+1}-{c+1}",
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"status": "pending",
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"step": "等待",
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"qr_value": None,
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"photos_front": 0,
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"photos_back": 0,
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} for (r, c) in path]
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# 2. 逐台执行
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for idx, (r, c) in enumerate(path):
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if self._stop.is_set():
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self._log("⏹️ 任务已停止")
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break
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self._wait_pause()
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# 更新任务状态 → 正面开始
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task = self._get_task(r, c)
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if task:
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task["status"] = "active"
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task["step"] = "正面扫码"
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machine_id = f"m_{r}_{c}"
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machine = next((m for m in machines if m.get("id") == machine_id), None)
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if not machine:
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self._log(f"⚠️ 机器 {r+1}-{c+1} 不存在，跳过")
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continue
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rl, cl = r + 1, c + 1 # 显示用的 1-based
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# --- 正面 ---
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self._log(f"📍 机器 {rl}-{cl} 进入正面点位")
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self._step(f"机器 {rl}-{cl} 正面")
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# 导航到正面点位
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front_pt = self._find_point(positions, r, c, "front")
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if front_pt and self._has_coords(front_pt):
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if not self._navigate(front_pt, "正面"):
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self._log(f"⚠️ 导航失败，尝试继续")
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else:
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self._log(f"⚠️ 无正面点位坐标")
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# 扫描二维码
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qr_value = self._scan_qr_with_poses(qr_configs)
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if self._stop.is_set():
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break
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# 查机型 + 更新任务步骤
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model_name = self._lookup_model(qr_value)
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self._log(f" 🏷️ 机型: {model_name}")
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if task and qr_value:
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task["qr_value"] = qr_value
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if task:
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task["step"] = "正面拍照"
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# 正面拍照
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model = self._find_model(models, model_name)
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if model:
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self._shoot(model, "front", rl, cl, qr_value or "unknown")
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else:
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self._log(f" ⚠️ 未找到机型 {model_name}")
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self._progress(idx, 1)
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# --- 背面 ---
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if task:
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task["step"] = "背面拍照"
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self._log(f"📍 机器 {rl}-{cl} 进入背面点位")
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self._step(f"机器 {rl}-{cl} 背面")
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# 导航到背面点位
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back_pt = self._find_point(positions, r + 1, c, "back")
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if back_pt and self._has_coords(back_pt):
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if not self._navigate(back_pt, "背面"):
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self._log(f"⚠️ 导航失败，尝试继续")
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else:
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self._log(f"⚠️ 无背面点位坐标")
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# 背面拍照
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if model:
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self._shoot(model, "back", rl, cl, qr_value or "unknown")
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# 标记任务完成
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if task:
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task["status"] = "completed"
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task["step"] = "完成"
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self._progress(idx, 2)
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# 3. 回到出发点
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if not self._stop.is_set():
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self._step("返回出发点")
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self._log("→ 返回 (0, 0)")
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self._nav2_go_to_point(0, 0, 0, timeout_sec=60)
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elapsed = time.time() - start_time
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return self._finish(elapsed)
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except Exception as e:
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self._log(f"❌ 任务异常: {e}")
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logger.exception("execute_mission 崩溃")
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self.report["error"] = str(e)
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self.status = MissionStatus.IDLE
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self.report["status"] = "idle"
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return self.report
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def _finish(self, elapsed: float) -> dict:
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if self._stop.is_set():
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self._step("已停止")
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else:
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self._step("完成")
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self._log(f"✅ 任务完成 ({elapsed:.0f}s)")
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self.report["progress"] = 100
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self.status = MissionStatus.IDLE
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self.report["status"] = "idle"
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return self.report
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# ==================== 蛇形路径 ====================
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def _build_snake_path(self, rows: int, cols: int, grid: list) -> list:
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"""奇数行(0,2,4...)左→右，偶数行(1,3,5...)右→左"""
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path = []
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for r in range(rows):
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if r % 2 == 0:
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for c in range(cols):
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if self._has_machine(grid, r, c):
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path.append((r, c))
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else:
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for c in range(cols - 1, -1, -1):
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if self._has_machine(grid, r, c):
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path.append((r, c))
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return path
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@staticmethod
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def _has_machine(grid: list, r: int, c: int) -> bool:
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if not grid or r >= len(grid):
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return False
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row = grid[r]
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if isinstance(row, list):
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return c < len(row) and bool(row[c])
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return False
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# ==================== 点位查找 ====================
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@staticmethod
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def _find_point(positions: list, row: int, col: int, side: str) -> Optional[dict]:
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for p in positions:
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if p.get("row") == row and p.get("col") == col and p.get("side") == side:
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return p
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return None
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@staticmethod
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def _has_coords(point: dict) -> bool:
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coords = point.get("coords", [])
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return len(coords) >= 2 and (coords[0] != 0 or coords[1] != 0)
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# ==================== 导航 ====================
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def _navigate(self, point: dict, label: str) -> bool:
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coords = point["coords"]
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x, y = float(coords[0]), float(coords[1])
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yaw = float(coords[2]) if len(coords) >= 3 else 0.0
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self._log(f" 🧭 导航到{label}点位 ({x:.2f}, {y:.2f}, yaw={math.degrees(yaw):.0f}°)")
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return self._nav2_go_to_point(x, y, yaw)
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# ==================== 二维码扫描 ====================
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def _scan_qr_with_poses(self, qr_configs: list) -> Optional[str]:
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"""用二维码配置中的姿态依次尝试"""
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if not qr_configs:
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self._log(f" ⚠️ 无二维码配置")
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return self._request_manual_qr()
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self._log(f" 🔍 尝试 {len(qr_configs)} 个二维码姿态...")
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for i, qc in enumerate(qr_configs):
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if self._stop.is_set():
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return None
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self._wait_pause()
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angles = qc.get("joint_angles", [])
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if not angles or len(angles) < 6:
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continue
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name = qc.get("name", f"姿态{i+1}")
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self._log(f" [{i+1}/{len(qr_configs)}] {name}")
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# 调整机械臂
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if self.arm_client:
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self.arm_client.set_angles(angles, speed=500)
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time.sleep(QR_POSE_WAIT)
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# 扫码
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qr = self._decode_qr_from_arm()
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if qr:
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self._log(f" ✅ 识别成功: {qr}")
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return qr
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time.sleep(0.3)
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self._log(f" ⚠️ 全部 {len(qr_configs)} 个姿态均未识别到二维码")
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return self._request_manual_qr()
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def _decode_qr_from_arm(self) -> Optional[str]:
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"""从机械臂摄像头取一帧，识别二维码"""
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for attempt in range(3):
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try:
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resp = requests.get(ARM_CAMERA_SNAPSHOT, timeout=QR_SCAN_TIMEOUT)
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if resp.status_code != 200 or not resp.content:
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continue
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arr = np.frombuffer(resp.content, dtype=np.uint8)
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frame = cv2.imdecode(arr, cv2.IMREAD_COLOR)
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if frame is None:
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continue
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detector = cv2.QRCodeDetector()
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data, bbox, _ = detector.detectAndDecode(frame)
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if data and len(data) > 0:
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return data
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except Exception:
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pass
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time.sleep(0.5)
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return None
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def _request_manual_qr(self) -> Optional[str]:
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"""暂停任务，等待手动输入"""
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self.status = MissionStatus.WAITING_QR
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self.report["status"] = "waiting_qr"
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self.report["step"] = "等待手动输入二维码"
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self._log(" ⌨️ 弹窗等待手动输入二维码...")
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self._qr_event.clear()
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if self._qr_event.wait(timeout=MANUAL_QR_TIMEOUT):
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self.status = MissionStatus.RUNNING
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self.report["status"] = "running"
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self._log(f" ✏️ 手动输入: {self._qr_value}")
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return self._qr_value
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else:
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self.status = MissionStatus.RUNNING
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self.report["status"] = "running"
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self._log(f" ⚠️ 等待超时（{MANUAL_QR_TIMEOUT}s），跳过")
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return None
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def set_manual_qr(self, value: str):
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self._qr_value = value.strip()
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self._qr_event.set()
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# ==================== 机型查询 ====================
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def _lookup_model(self, qr_value: Optional[str]) -> str:
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"""TODO: 后续通过 HTTP 接口查询机型"""
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return "机器1"
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@staticmethod
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def _find_model(models: list, name: str) -> Optional[dict]:
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"""在机型列表中找到匹配的机型"""
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for m in models:
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if m.get("name") == name or m.get("id") == name:
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return m
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# fallback: 第一个机型
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return models[0] if models else None
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# ==================== 姿态拍照 ====================
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def _shoot(self, model: dict, side: str, row: int, col: int, qr_value: str):
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"""按机型配置的所有姿态依次拍照"""
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# 更新任务照片计数
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task = self._get_task(row - 1, col - 1)
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side_label = "正面" if side == "front" else "背面"
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poses = model.get("poses", []) if side == "front" else model.get("poses_back", [])
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if not poses:
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self._log(f" ⚠️ 机型无{side_label}姿态配置")
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return
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self._log(f" 📷 {side_label}拍照 ({len(poses)} 个姿态)")
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for pi, pose in enumerate(poses):
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if self._stop.is_set():
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break
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self._wait_pause()
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angles = pose.get("arm_angles", [])
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if not angles or len(angles) < 6:
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self._log(f" 跳过 {pose.get('name', f'姿态{pi+1}')}: 无效角度")
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continue
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name = pose.get("name", f"{side_label}-{pi+1}")
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self._log(f" 🎯 {name}")
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# 调整机械臂
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if self.arm_client:
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self.arm_client.set_angles(angles, speed=500)
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time.sleep(QR_POSE_WAIT)
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# 拍照
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path = self._capture_arm_photo(row, col, side, pi + 1, qr_value)
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if path:
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self._log(f" 💾 {os.path.basename(path)}")
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def _capture_arm_photo(self, row: int, col: int, side: str,
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pose_idx: int, qr_value: str) -> Optional[str]:
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"""从机械臂摄像头拍照存本地"""
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try:
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resp = requests.get(ARM_CAMERA_SNAPSHOT, timeout=10)
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if resp.status_code != 200 or not resp.content:
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logger.error("arm snapshot 请求失败")
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return None
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os.makedirs(PHOTOS_DIR, exist_ok=True)
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ts = time.strftime("%Y%m%d_%H%M%S")
|
|
fname = f"{ts}_r{row}c{col}_{side}_p{pose_idx}_{qr_value[:20]}.jpg"
|
|
fpath = os.path.join(PHOTOS_DIR, fname)
|
|
with open(fpath, "wb") as f:
|
|
f.write(resp.content)
|
|
return fpath
|
|
except Exception as e:
|
|
logger.error(f"拍照异常: {e}")
|
|
return None
|
|
|
|
# ==================== 控制 ====================
|
|
|
|
def _wait_pause(self):
|
|
"""等待暂停状态解除"""
|
|
self._pause.wait()
|
|
|
|
def pause(self):
|
|
self._pause.clear()
|
|
self.status = MissionStatus.PAUSED
|
|
self.report["status"] = "paused"
|
|
self.report["step"] = "已暂停"
|
|
self._log("⏸️ 任务已暂停")
|
|
|
|
def resume(self):
|
|
self._pause.set()
|
|
self.status = MissionStatus.RUNNING
|
|
self.report["status"] = "running"
|
|
self._log("▶️ 任务已恢复")
|
|
|
|
def stop(self):
|
|
self._stop.set()
|
|
self._pause.set() # 解除暂停
|
|
self._qr_event.set() # 解除 QR 等待
|
|
if self.arm_client:
|
|
try:
|
|
self.arm_client.task_stop()
|
|
except Exception:
|
|
pass
|
|
self.agv.stop()
|
|
self.status = MissionStatus.IDLE
|
|
self.report["status"] = "idle"
|
|
|
|
def get_status(self) -> dict:
|
|
return {
|
|
"status": self.report["status"],
|
|
"step": self.report["step"],
|
|
"progress": self.report["progress"],
|
|
"total": self.report["total"],
|
|
}
|
|
|
|
def get_logs(self) -> dict:
|
|
"""返回实时日志和完整状态"""
|
|
return self.report
|
|
|
|
# ==================== 状态报告 ====================
|
|
|
|
def _log(self, msg: str):
|
|
self.report["log"].append(msg)
|
|
# Keep last 500 entries
|
|
if len(self.report["log"]) > 500:
|
|
self.report["log"] = self.report["log"][-500:]
|
|
logger.info(msg)
|
|
|
|
def _step(self, text: str):
|
|
self.report["step"] = text
|
|
|
|
def _get_task(self, row: int, col: int) -> Optional[dict]:
|
|
"""获取指定行列的任务记录"""
|
|
for t in self.report.get("tasks", []):
|
|
if t["row"] == row and t["col"] == col:
|
|
return t
|
|
return None
|
|
|
|
def _progress(self, machine_idx: int, side_code: int):
|
|
"""side_code: 1=正面完成, 2=背面完成"""
|
|
if self.report["total"]:
|
|
self.report["progress"] = min(
|
|
int((machine_idx * 2 + side_code) / (self.report["total"] * 2) * 100),
|
|
99
|
|
)
|
|
|
|
# ==================== Nav2 导航 ====================
|
|
# (保留原实现)
|
|
|
|
def _nav2_check_available(self) -> bool:
|
|
try:
|
|
rc, out, err = self._run_ros2_cmd("ros2 action list")
|
|
if rc != 0:
|
|
return False
|
|
return "/navigate_to_pose" in out
|
|
except:
|
|
return False
|
|
|
|
def _nav2_go_to_point(self, x: float, y: float, yaw: float = 0.0,
|
|
timeout_sec: float = 120.0) -> bool:
|
|
if not self._nav2_check_available():
|
|
logger.error("Nav2 action server 不可用")
|
|
return False
|
|
|
|
qz = math.sin(yaw / 2.0)
|
|
qw = math.cos(yaw / 2.0)
|
|
|
|
pose_yaml = (
|
|
f"pose:\n"
|
|
f" header:\n"
|
|
f" stamp:\n"
|
|
f" sec: 0\n"
|
|
f" nanosec: 0\n"
|
|
f" frame_id: 'map'\n"
|
|
f" pose:\n"
|
|
f" position:\n"
|
|
f" x: {x}\n"
|
|
f" y: {y}\n"
|
|
f" z: 0.0\n"
|
|
f" orientation:\n"
|
|
f" x: 0.0\n"
|
|
f" y: 0.0\n"
|
|
f" z: {qz}\n"
|
|
f" w: {qw}"
|
|
)
|
|
|
|
cmd = (
|
|
f"ros2 action send_goal /navigate_to_pose "
|
|
f"nav2_msgs/action/NavigateToPose "
|
|
f"'{pose_yaml}' --feedback"
|
|
)
|
|
full_cmd = f"bash -c '{ROS2_SETUP_CMD} && {cmd}'"
|
|
|
|
try:
|
|
process = subprocess.Popen(
|
|
full_cmd, shell=True,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True
|
|
)
|
|
succeeded = False
|
|
elapsed = 0.0
|
|
while elapsed < timeout_sec:
|
|
import select
|
|
reads = [process.stdout]
|
|
ready, _, _ = select.select(reads, [], [], 1.0)
|
|
elapsed += 1.0
|
|
if process.stdout in ready:
|
|
line = process.stdout.readline()
|
|
if not line:
|
|
break
|
|
ls = line.strip()
|
|
if "succeeded" in ls.lower():
|
|
succeeded = True
|
|
break
|
|
elif "failed" in ls.lower() or "aborted" in ls.lower():
|
|
break
|
|
elif "canceled" in ls.lower() or "cancelled" in ls.lower():
|
|
break
|
|
if process.poll() is not None:
|
|
break
|
|
if process.poll() is None:
|
|
process.terminate()
|
|
try:
|
|
process.wait(timeout=3)
|
|
except subprocess.TimeoutExpired:
|
|
process.kill()
|
|
return succeeded
|
|
except Exception as e:
|
|
logger.error(f"Nav2 异常: {e}")
|
|
return False
|
|
|
|
def _nav2_cancel(self):
|
|
cancel_cmd = f"bash -c '{ROS2_SETUP_CMD} && ros2 action cancel /navigate_to_pose 2>/dev/null || true'"
|
|
try:
|
|
subprocess.run(cancel_cmd, shell=True, timeout=3)
|
|
except:
|
|
pass
|
|
|
|
def _run_ros2_cmd(self, cmd: str, timeout: float = 5.0) -> tuple:
|
|
full_cmd = f"bash -c '{ROS2_SETUP_CMD} && {cmd}'"
|
|
try:
|
|
result = subprocess.run(
|
|
full_cmd, shell=True,
|
|
capture_output=True, text=True, timeout=timeout
|
|
)
|
|
return result.returncode, result.stdout.strip(), result.stderr.strip()
|
|
except subprocess.TimeoutExpired:
|
|
return -1, "", "Timeout"
|
|
except Exception as e:
|
|
return -1, "", str(e) |