起飞命令

MAV_CMD_NAV_TAKEOFF 22

返回消息：COMMAND_ACK
返回值 command 22 执行命令id
返回值 result 0或4 0：执行成功，4：执行失败

python测试脚本

import time
from pymavlink import mavutil

timestamp = int(time.time() * 1000)
millis = int(time.time() * 1000)

master = mavutil.mavlink_connection('udpin:0.0.0.0:14550')
master.wait_heartbeat()
boot_time = time.time()

def ready():
    master.mav.command_long_send(
        master.target_system,
        master.target_component,
        mavutil.mavlink.MAV_CMD_NAV_TAKEOFF,
        0,
        0, 0, 0, 0, 0, 0, 0
    )

ready()

执行脚本

结果