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@ -9,6 +9,8 @@
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publisher topic name 命名規則為 <前綴詞>/s<sysid>/<具體 topic>
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'''
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from pymavlink import mavutil
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import std_msgs.msg
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import sensor_msgs.msg
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import geometry_msgs.msg
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@ -24,13 +26,13 @@ class mavlink_publisher():
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prefix_path = 'MavLinkBus'
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def create_flightMode(self, sysid, component_obj):
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def create_state(self, sysid, component_obj):
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# target topic name # 請跟這個 method 的名稱保持一致
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target_topic = 'flightMode'
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target_topic = 'state'
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# 這邊要檢查 flight_mode 是否存在
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try:
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_ = component_obj.emitParams['flightMode_mode']
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_ = component_obj.emitParams['heartbeat']
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except KeyError:
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# 這個 component id 還不存在
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logger.warning('System ID : {} This Component ID : {} Did not init yet'.format(component_obj['sysid'], component_obj['compid']))
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@ -38,15 +40,16 @@ class mavlink_publisher():
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# 若存在則 建立 publisher object 並回傳 true
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topic_name = '{}/s{}/{}'.format(self.prefix_path, sysid, target_topic)
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publisher_ = self.create_publisher(std_msgs.msg.String, topic_name, 1)
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component_obj.publishers[target_topic] = [publisher_, self.packEmit_flightMode]
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publisher_ = self.create_publisher(mavros_msgs.msg.State, topic_name, 1)
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component_obj.publishers[target_topic] = [publisher_, self.packEmit_state]
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return True
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def packEmit_flightMode(cls, emitParams, publisher):
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msg_str = emitParams['flightMode_mode']
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msg = std_msgs.msg.String()
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msg.data = msg_str
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def packEmit_state(cls, emitParams, publisher):
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mav_msg = emitParams['heartbeat']
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msg = mavros_msgs.msg.State()
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msg.mode = mavutil.mode_string_v10(mav_msg)
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msg.armed = (mav_msg.base_mode & mavutil.mavlink.MAV_MODE_FLAG_SAFETY_ARMED) != 0
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publisher.publish(msg)
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pass
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