新增pymavlink_01.py

pymavlink_01.py

@@ -0,0 +1,232 @@
+#!/usr/bin/env python3
+from pymavlink import mavutil
+import time
+import math
+import threading
+
+class DroneController:
+    def __init__(self, connection_string="udp:127.0.0.1:14550"):
+        # 建立 MAVLink 連接
+        self.master = mavutil.mavlink_connection(connection_string)
+        
+        # 等待心跳包
+        self.master.wait_heartbeat()
+        print("已建立連接!")
+
+    def set_mode(self, mode):
+        """設置飛行模式"""
+        mode_id = self.master.mode_mapping()[mode]
+        self.master.mav.set_mode_send(
+            self.master.target_system,
+            mavutil.mavlink.MAV_MODE_FLAG_CUSTOM_MODE_ENABLED,
+            mode_id
+        )
+        
+        for _ in range(5):
+            msg = self.master.recv_match(type='HEARTBEAT', blocking=True, timeout=1)
+            if msg and msg.custom_mode == mode_id:
+                return True
+        return False
+
+    def arm(self, arm_state=True):
+        """解鎖/上鎖無人機"""
+        self.master.mav.command_long_send(
+            self.master.target_system,
+            self.master.target_component,
+            mavutil.mavlink.MAV_CMD_COMPONENT_ARM_DISARM,
+            0,
+            1 if arm_state else 0, 0, 0, 0, 0, 0, 0
+        )
+        
+        for _ in range(5):
+            msg = self.master.recv_match(type='HEARTBEAT', blocking=True, timeout=1)
+            if msg:
+                armed = msg.base_mode & mavutil.mavlink.MAV_MODE_FLAG_SAFETY_ARMED
+                if armed == arm_state:
+                    return True
+        return False
+
+    def takeoff(self, altitude):
+        """起飛到指定高度"""
+        self.master.mav.command_long_send(
+            self.master.target_system,
+            self.master.target_component,
+            mavutil.mavlink.MAV_CMD_NAV_TAKEOFF,
+            0,
+            0, 0, 0, 0, 0, 0,
+            altitude
+        )
+        
+        while True:
+            msg = self.master.recv_match(type='GLOBAL_POSITION_INT', blocking=True)
+            if msg:
+                current_alt = msg.relative_alt / 1000.0
+                if abs(current_alt - altitude) < 0.5:
+                    return True
+            time.sleep(0.1)
+
+    def goto_position_local(self, x, y, z, vx=2, vy=2, vz=0, yaw=0, yaw_rate=0):
+        """
+        飛到指定的本地座標位置
+        x, y, z: 目標位置(公尺)
+        """
+        # NED系統中，向上飛需要給負值
+        z = -z  # 將輸入的z值轉換為NED系統
+
+        # 重要：type_mask 設為 0 表示使用該維度
+        # 我們只想使用位置控制 (x,y,z)，所以其他都設為 ignore
+        type_mask = (
+            # mavutil.mavlink.POSITION_TARGET_TYPEMASK_VX_IGNORE |  # 8
+            # mavutil.mavlink.POSITION_TARGET_TYPEMASK_VY_IGNORE |  # 16
+            # mavutil.mavlink.POSITION_TARGET_TYPEMASK_VZ_IGNORE |  # 32
+            mavutil.mavlink.POSITION_TARGET_TYPEMASK_AX_IGNORE |  # 64
+            mavutil.mavlink.POSITION_TARGET_TYPEMASK_AY_IGNORE |  # 128
+            mavutil.mavlink.POSITION_TARGET_TYPEMASK_AZ_IGNORE |  # 256
+            mavutil.mavlink.POSITION_TARGET_TYPEMASK_YAW_IGNORE | # 1024
+            mavutil.mavlink.POSITION_TARGET_TYPEMASK_YAW_RATE_IGNORE  # 2048
+        )
+        
+        # 或直接使用二進制: type_mask = 0b0000111111111000
+        
+        print(f"發送位置指令: x={x}, y={y}, z={-z}")
+        
+        self.master.mav.set_position_target_local_ned_send(
+            0,       # timestamp
+            self.master.target_system,
+            self.master.target_component,
+            mavutil.mavlink.MAV_FRAME_LOCAL_NED,
+            type_mask,
+            x, y, z,    # 位置
+            0, 0, 0,    # 速度 (設為 0)
+            5, 5, 0,    # 加速度 (設為 0)
+            0, 0        # yaw, yaw_rate (設為 0)
+        )
+
+        # 監控位置變化
+        print("開始監控位置變化...")
+        start_time = time.time()
+        while time.time() - start_time < 20:  # 20秒超時
+            msg = self.master.recv_match(type='LOCAL_POSITION_NED', blocking=True, timeout=1)
+            if msg:
+                dist = math.sqrt((msg.x - x)**2 + (msg.y - y)**2 + (msg.z - z)**2)
+                print(f"當前位置: x={msg.x:.2f}, y={msg.y:.2f}, z={-msg.z:.2f}, 距離目標: {dist:.2f}m")
+                if dist < 0.5:
+                    print("到達目標位置")
+                    return True
+            time.sleep(0.1)
+        
+        print("移動超時")
+        return False
+
+    def get_current_state(self):
+        """獲取當前狀態"""
+        msg = self.master.recv_match(type='HEARTBEAT', blocking=True)
+        if msg:
+            mode = list(self.master.mode_mapping().keys())[list(self.master.mode_mapping().values()).index(msg.custom_mode)]
+            armed = bool(msg.base_mode & mavutil.mavlink.MAV_MODE_FLAG_SAFETY_ARMED)
+            return {
+                'mode': mode,
+                'armed': armed
+            }
+        return None
+
+def print_menu():
+    """列印功能表"""
+    menu = [
+        "\n=== 無人機控制界面 ===",
+        "1. 切換至 GUIDED 模式",
+        "2. 切換至 LAND 模式",
+        "3. 解鎖",
+        "4. 上鎖",
+        "5. 起飛",
+        "6. 飛到指定位置",
+        "7. 切換至 RTL 模式(返航)",
+        "8. 查看當前狀態",
+        "9. 退出",
+        "0. 顯示此清單",
+        "===================="
+    ]
+    for item in menu:
+        print(item)
+
+def main():
+    drone = DroneController()
+    print_menu()
+
+    while True:
+        try:
+            choice = input("\n請輸入指令編號: ")
+
+            if choice == '0':
+                print_menu()
+                
+            elif choice == '1':
+                if drone.set_mode("GUIDED"):
+                    print("已切換至 GUIDED 模式")
+                else:
+                    print("切換模式失敗")
+                    
+            elif choice == '2':
+                if drone.set_mode("LAND"):
+                    print("已切換至 LAND 模式")
+                else:
+                    print("切換模式失敗")
+                    
+            elif choice == '3':
+                if drone.arm(True):
+                    print("無人機已解鎖")
+                else:
+                    print("解鎖失敗")
+                    
+            elif choice == '4':
+                if drone.arm(False):
+                    print("無人機已上鎖")
+                else:
+                    print("上鎖失敗")
+                    
+            elif choice == '5':
+                altitude = float(input("請輸入起飛高度(公尺): "))
+                if drone.takeoff(altitude):
+                    print(f"已到達目標高度: {altitude}公尺")
+                else:
+                    print("起飛失敗")
+                    
+            elif choice == '6':
+                x = float(input("請輸入X座標(公尺): "))
+                y = float(input("請輸入Y座標(公尺): "))
+                z = float(input("請輸入Z座標(公尺,負值代表向下): "))
+                if drone.goto_position_local(x, y, z):
+                    print("已到達目標位置")
+                else:
+                    print("移動失敗")
+                    
+            elif choice == '7':
+                if drone.set_mode("RTL"):
+                    print("已切換至 RTL 模式，無人機正在返航")
+                else:
+                    print("切換至 RTL 模式失敗")
+                    
+            elif choice == '8':
+                state = drone.get_current_state()
+                if state:
+                    print("\n=== 無人機狀態 ===")
+                    print(f"模式: {state['mode']}")
+                    print(f"解鎖狀態: {'已解鎖' if state['armed'] else '已上鎖'}")
+                    print("==================")
+                else:
+                    print("無法獲取狀態")
+                    
+            elif choice == '9':
+                print("程式結束")
+                break
+                
+            else:
+                print("無效的指令，請重新輸入")
+                
+        except ValueError as e:
+            print(f"輸入錯誤: {e}")
+        except Exception as e:
+            print(f"發生錯誤: {e}")
+
+if __name__ == "__main__":
+    main()