fix:测距

app.yaml

@@ -1,6 +1,6 @@
 id: t11
 name: t11
-version: 1.0.2
+version: 1.0.3
 author: t11
 icon: ''
 desc: t11

main.py

@@ -7,20 +7,23 @@
 作者：ZZH
 最后更新：2025-11-21
 """
-from maix import camera, display, image, app, time, key, uart, pinmap, i2c, network, err
+import _thread
+import hashlib
+import hmac
+import json
+import os
+import re
+import socket
+import struct
+
 import cv2
 import numpy as np
-import json
-import struct
-import re
-from maix.peripheral import adc
-import _thread
-import os
-import hmac
-import ujson
-import hashlib
 import requests
-import socket
+import ujson
+from maix import camera, display, image, app, time, key, uart, pinmap, i2c, network, err
+from maix.peripheral import adc
+
+# import config
 
 # ==================== 全局配置 ====================
 
@@ -35,7 +38,7 @@ PASSWORD = None
 # 服务器连接参数
 SERVER_IP = "www.shelingxingqiu.com"
 SERVER_PORT = 50005
-HEARTBEAT_INTERVAL = 2  # 心跳间隔（秒）
+HEARTBEAT_INTERVAL = 60  # 心跳间隔（秒）
 
 # 激光校准配置
 CONFIG_FILE = "/root/laser_config.json"
@@ -47,7 +50,7 @@ URL = "http://ws.shelingxingqiu.com"
 API_PATH = "/home/shoot/device_fire/arrow/fire"
 
 # UART 设备初始化
-uart4g = uart.UART("/dev/ttyS2", 115200)        # 4G 模块通信
+uart4g = uart.UART("/dev/ttyS2", 115200)  # 4G 模块通信
 distance_serial = uart.UART("/dev/ttyS1", 9600)  # 激光测距模块
 
 # 引脚功能映射
@@ -69,14 +72,14 @@ thickness = 1
 length = 2
 
 # 全局状态变量
-laser_calibration_active = False      # 是否正在后台校准激光
+laser_calibration_active = False  # 是否正在后台校准激光
-laser_calibration_result = None       # 校准结果坐标 (x, y)
+laser_calibration_result = None  # 校准结果坐标 (x, y)
-laser_calibration_lock = False        # 简易互斥锁，防止多线程冲突
+laser_calibration_lock = False  # 简易互斥锁，防止多线程冲突
 
 # 硬件对象初始化
 laser_x, laser_y = laser_point
 adc_obj = adc.ADC(0, adc.RES_BIT_12)
-bus = i2c.I2C(1, i2c.Mode.MASTER)     # 使用 I2C1 总线
+bus = i2c.I2C(1, i2c.Mode.MASTER)  # 使用 I2C1 总线
 # bus = i2c.I2C(5, i2c.Mode.MASTER) #ota升级的
 # INA226 电流/电压监测芯片寄存器地址
 INA226_ADDR = 0x40
@@ -92,13 +95,15 @@ LASER_OFF_CMD = bytes([0xAA, MODULE_ADDR, 0x01, 0xBE, 0x00, 0x01, 0x00, 0x00, 0x
 
 # 相机标定参数（用于距离估算）
 # FOCAL_LENGTH_PIX = 3800.0    # 焦距（像素）
-FOCAL_LENGTH_PIX = 1900.0    # 焦距（像素）
+FOCAL_LENGTH_PIX = 2200.0  # 焦距（像素）
-REAL_RADIUS_CM = 15          # 靶心实际半径（厘米）
+REAL_RADIUS_CM = 15  # 靶心实际半径（厘米）
 
 # TCP 连接状态
 tcp_connected = False
-send_queue = [] 
+high_send_queue = []  # 高优先级发送队列：射箭事件等
-queue_lock = False
+normal_send_queue = []  # 普通发送队列：电量/校准结果/状态等
+queue_lock = False  # 简易互斥锁，保护队列
+uart4g_lock = False  # 简易互斥锁，保护 4G 串口 AT 发送流程（防并发）
 update_thread_started = False  # 防止 OTA 更新线程重复启动
 
 
@@ -164,6 +169,7 @@ def direct_ota_download():
     finally:
         update_thread_started = False  # 允许下次 OTA
 
+
 def handle_wifi_and_update(ssid, password):
     """在子线程中执行 Wi-Fi 连接 + OTA 更新流程"""
     try:
@@ -250,16 +256,32 @@ def read_device_id():
     return "DEFAULT_DEVICE_ID"
 
 
-def safe_enqueue(data_dict, msg_type=2):
+def safe_enqueue(data_dict, msg_type=2, high=False):
-    """线程安全地将消息加入 TCP 发送队列"""
+    """线程安全地将消息加入 TCP 发送队列（支持优先级）"""
-    global queue_lock, send_queue
+    global queue_lock, high_send_queue, normal_send_queue
     while queue_lock:
         time.sleep_ms(1)
     queue_lock = True
-    send_queue.append((msg_type, data_dict))
+    item = (msg_type, data_dict)
+    if high:
+        high_send_queue.append(item)
+    else:
+        normal_send_queue.append(item)
     queue_lock = False
 
 
+def _uart4g_lock_acquire():
+    global uart4g_lock
+    while uart4g_lock:
+        time.sleep_ms(1)
+    uart4g_lock = True
+
+
+def _uart4g_lock_release():
+    global uart4g_lock
+    uart4g_lock = False
+
+
 def at(cmd, wait="OK", timeout=2000):
     """向 4G 模块发送 AT 指令并等待响应"""
     if cmd:
@@ -301,27 +323,30 @@ def tcp_send_raw(data: bytes, max_retries=2) -> bool:
     global tcp_connected
     if not tcp_connected:
         return False
-
+    _uart4g_lock_acquire()
-    for attempt in range(max_retries):
+    try:
-        cmd = f'AT+MIPSEND=0,{len(data)}'
+        for attempt in range(max_retries):
-        if ">" not in at(cmd, ">", 1500):
+            cmd = f'AT+MIPSEND=0,{len(data)}'
-            time.sleep_ms(100)
+            if ">" not in at(cmd, ">", 1500):
-            continue
+                time.sleep_ms(100)
-
-        time.sleep_ms(10)
-        full = data + b"\x1A"  # AT 指令结束符
-        try:
-            sent = uart4g.write(full)
-            if sent != len(full):
                 continue
-        except:
-            continue
 
-        if "OK" in at("", "OK", 1000):
+            time.sleep_ms(10)
-            return True
+            full = data + b"\x1A"  # AT 指令结束符
-        time.sleep_ms(100)
+            try:
+                sent = uart4g.write(full)
+                if sent != len(full):
+                    continue
+            except:
+                continue
 
-    return False
+            if "OK" in at("", "OK", 1000):
+                return True
+            time.sleep_ms(100)
+
+        return False
+    finally:
+        _uart4g_lock_release()
 
 
 def generate_token(device_id):
@@ -419,7 +444,7 @@ def find_red_laser(frame, threshold=150):
     for y in range(0, h, 2):
         for x in range(0, w, 2):
             idx = (y * w + x) * 3
-            r, g, b = img_bytes[idx], img_bytes[idx+1], img_bytes[idx+2]
+            r, g, b = img_bytes[idx], img_bytes[idx + 1], img_bytes[idx + 2]
             if r > threshold and r > g * 2 and r > b * 2:
                 rgb_sum = r + g + b
                 if rgb_sum > max_sum:
@@ -511,7 +536,10 @@ def detect_circle(frame):
         circularity = 4 * np.pi * area / (perimeter ** 2)
         if circularity > 0.75 and len(cnt) >= 5:
             center, axes, angle = cv2.fitEllipse(cnt)
-            radius = (axes[0] + axes[1]) / 4
+            radius = axes[0]
+            if axes[1] < radius:
+                radius = axes[1]
+            radius /= 2
             best_center = (int(center[0]), int(center[1]))
             best_radius = int(radius)
             best_radius1 = best_radius
@@ -566,6 +594,19 @@ def compute_laser_position(circle_center, laser_point, radius, method):
     return dx / (circle_r / 100.0), -dy / (circle_r / 100.0)
 
 
+def compute_laser_position_v2(circle_center, laser_point):
+    if circle_center is None:
+        return 200, 200
+    cx, cy = circle_center
+    lx, ly = 320, 220
+    dx = lx - cx
+    dy = ly - cy
+    r = 22.16 * 5
+    target_x = dx / r * 100
+    target_y = dy / r * 100
+    print(f"lx：{lx} ly: {ly} cx: {cx} cy: {cy} dx: {dx} dy: {dy} result_x: {target_x} result_y: {-target_y}")
+    return (target_x, -target_y)
+
 # ==================== TCP 通信线程 ====================
 
 def connect_server():
@@ -574,8 +615,12 @@ def connect_server():
     if tcp_connected:
         return True
     print("连接到服务器...")
-    at("AT+MIPCLOSE=0", "OK", 1000)
+    _uart4g_lock_acquire()
-    res = at(f'AT+MIPOPEN=0,"TCP","{SERVER_IP}",{SERVER_PORT}', "+MIPOPEN", 8000)
+    try:
+        at("AT+MIPCLOSE=0", "OK", 1000)
+        res = at(f'AT+MIPOPEN=0,"TCP","{SERVER_IP}",{SERVER_PORT}', "+MIPOPEN", 8000)
+    finally:
+        _uart4g_lock_release()
     if "+MIPOPEN: 0,0" in res:
         tcp_connected = True
         return True
@@ -584,7 +629,8 @@ def connect_server():
 
 def tcp_main():
     """TCP 主通信循环：登录、心跳、处理指令、发送数据"""
-    global tcp_connected, send_queue, queue_lock, laser_calibration_active, laser_calibration_result, laser_calibration_lock,update_thread_started
+    global tcp_connected, high_send_queue, normal_send_queue, queue_lock, laser_calibration_active, laser_calibration_result, laser_calibration_lock, update_thread_started
+    send_hartbeat_fail_count = 0
     while not app.need_exit():
         if not connect_server():
             time.sleep_ms(5000)
@@ -629,7 +675,7 @@ def tcp_main():
                             # 处理心跳 ACK
                             elif logged_in and msg_type == 4:
                                 last_heartbeat_ack_time = time.ticks_ms()
-                                # print("✅ 收到心跳确认")
+                                print("✅ 收到心跳确认")
 
                             # 处理业务指令
                             elif logged_in and isinstance(body, dict):
@@ -665,7 +711,8 @@ def tcp_main():
                                                 safe_enqueue({"result": "update_already_started"}, 2)
                                     elif inner_cmd == 6:
                                         try:
-                                            ip = os.popen("ifconfig wlan0 2>/dev/null | grep 'inet ' | awk '{print $2}'").read().strip()
+                                            ip = os.popen(
+                                                "ifconfig wlan0 2>/dev/null | grep 'inet ' | awk '{print $2}'").read().strip()
                                             ip = ip if ip else "no_ip"
                                         except:
                                             ip = "error_getting_ip"
@@ -678,12 +725,14 @@ def tcp_main():
 
                                         # 实时检查是否有 IP
                                         try:
-                                            ip = os.popen("ifconfig wlan0 2>/dev/null | grep 'inet ' | awk '{print $2}'").read().strip()
+                                            ip = os.popen(
+                                                "ifconfig wlan0 2>/dev/null | grep 'inet ' | awk '{print $2}'").read().strip()
                                         except:
                                             ip = None
 
                                         if not ip:
-                                            safe_enqueue({"result": "ota_rejected", "reason": "no_wifi_ip"}, MSG_TYPE_STATUS)
+                                            safe_enqueue({"result": "ota_rejected", "reason": "no_wifi_ip"},
+                                                         MSG_TYPE_STATUS)
                                         else:
                                             # 启动纯下载线程
                                             update_thread_started = True
@@ -697,17 +746,22 @@ def tcp_main():
                         break
 
             # 发送队列中的业务数据
-            if logged_in and not queue_lock and send_queue:
+            if logged_in and (high_send_queue or normal_send_queue) and (not queue_lock):
+                # 只在锁内取出一个待发包，发送放到锁外，避免长时间占用队列锁
+                while queue_lock:
+                    time.sleep_ms(1)
                 queue_lock = True
-                if send_queue:
+                if high_send_queue:
-                    msg_type, data_dict = send_queue.pop(0)
+                    msg_type, data_dict = high_send_queue.pop(0)
-                    pkt = make_packet(msg_type, data_dict)
+                else:
-                    if not tcp_send_raw(pkt):
+                    msg_type, data_dict = normal_send_queue.pop(0)
-                        tcp_connected = False
-                        queue_lock = False
-                        break
                 queue_lock = False
 
+                pkt = make_packet(msg_type, data_dict)
+                if not tcp_send_raw(pkt):
+                    tcp_connected = False
+                    break
+
             # 发送激光校准结果
             if logged_in and not laser_calibration_lock and laser_calibration_result is not None:
                 laser_calibration_lock = True
@@ -721,13 +775,21 @@ def tcp_main():
             if logged_in and current_time - last_heartbeat_send_time > HEARTBEAT_INTERVAL * 1000:
                 if not tcp_send_raw(make_packet(4, {"t": int(time.time())})):
                     print("💔 心跳发送失败")
-                    break
+                    send_hartbeat_fail_count += 1
-                last_heartbeat_send_time = current_time
+                    if send_hartbeat_fail_count >= 3:
-                # print("💓 心跳已发送")
+                        send_hartbeat_fail_count = 0
+                        print("连续3次发送心跳失败，重连")
+                        break
+                    else:
+                        continue
+                else:
+                    send_hartbeat_fail_count = 0
+                    last_heartbeat_send_time = current_time
+                    print("💓 心跳已发送")
 
             # 心跳超时重连
-            if logged_in and current_time - last_heartbeat_ack_time > 6000:
+            if logged_in and current_time - last_heartbeat_ack_time > 1000 * 60 * 10:  # 十分钟
-                print("⏰ 6秒无心跳ACK，重连")
+                print("⏰ 十分钟无心跳ACK，重连")
                 break
 
             time.sleep_ms(50)
@@ -761,6 +823,7 @@ def laser_calibration_worker():
 
 def cmd_str():
     global DEVICE_ID, PASSWORD
+    # print("env: ", config.get_env())
     DEVICE_ID = read_device_id()
     PASSWORD = DEVICE_ID + "."
 
@@ -774,7 +837,7 @@ def cmd_str():
 
     # 初始化硬件
     init_ina226()
-    load_laser_point()
+    # load_laser_point()
     disp = display.Display()
     cam = camera.Camera(640, 480)
 
@@ -790,9 +853,10 @@ def cmd_str():
     while not app.need_exit():
         current_time = time.ticks_ms()
         # print("压力传感器数值： ", adc_obj.read())
-        if adc_obj.read() > ADC_TRIGGER_THRESHOLD:
+        adc_val = adc_obj.read()
-            diff_ms = current_time-last_adc_trigger
+        if adc_val > ADC_TRIGGER_THRESHOLD:
-            if diff_ms<3000:
+            diff_ms = current_time - last_adc_trigger
+            if diff_ms < 3000:
                 continue
             last_adc_trigger = current_time
             time.sleep_ms(60)  # 防抖
@@ -809,7 +873,7 @@ def cmd_str():
             disp.show(result_img)
 
             # 计算偏移与距离
-            dx, dy = compute_laser_position(center, (x, y), radius, method)
+            dx, dy = compute_laser_position_v2(center, (x, y))
             distance_m = estimate_distance(best_radius1)
 
             # 读取电量
@@ -817,23 +881,24 @@ def cmd_str():
             battery_percent = voltage_to_percent(voltage)
 
             # 保存图像（带标注）
-            try:
+            # try:
-                jpg_count = len([f for f in os.listdir(photo_dir) if f.endswith('.jpg')])
+            #     jpg_count = len([f for f in os.listdir(photo_dir) if f.endswith('.jpg')])
-                filename = f"{photo_dir}/{int(x)}_{int(y)}_{round((distance_m or 0.0) * 100)}_{method}_{jpg_count:04d}.jpg"
+            #     filename = f"{photo_dir}/{int(x)}_{int(y)}_{round((distance_m or 0.0) * 100)}_{method}_{jpg_count:04d}.jpg"
-                result_img.save(filename, quality=70)
+            #     result_img.save(filename, quality=70)
-            except Exception as e:
+            # except Exception as e:
-                print(f"❌ 保存失败: {e}")
+            #     print(f"❌ 保存失败: {e}")
-
             # 构造上报数据
             inner_data = {
                 "x": float(dx) if dx is not None else 200.0,
                 "y": float(dy) if dy is not None else 200.0,
                 "r": 90.0,
                 "d": round((distance_m or 0.0) * 100),  # 距离（厘米）
-                "m": method
+                "m": method,
+                "adc": adc_val,
             }
             report_data = {"cmd": 1, "data": inner_data}
-            safe_enqueue(report_data)
+            # 射箭事件高优先级入队，由 tcp_main 统一发送
+            safe_enqueue(report_data, msg_type=2, high=True)
             print("📤 射箭事件已加入发送队列")
 
             time.sleep_ms(100)