From c5011898405c5b742198a0b793b48ea93890dc2c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=96=87=E6=98=8C=E5=B8=9D=E9=88=9E?= Date: Tue, 18 Feb 2025 17:38:54 +0800 Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9Epymavlink=5F01.py?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- pymavlink_01.py | 232 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 pymavlink_01.py diff --git a/pymavlink_01.py b/pymavlink_01.py new file mode 100644 index 0000000..dc8ebb1 --- /dev/null +++ b/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() \ No newline at end of file