Beispiel #1
0
/**
\brief This static method is called by the GroundLink's MAVLink component whenever
 *      a new message has been received. It takes the appropriate actions depending on the message type.
 */
void GroundLink::mavlinkMessageHandler(mavlink_message_t* msg){
	// Structures to keep decoded messages. They are declared as static because this way
	// memory is allocated only once and not each time the method gets called.
	static mavlink_param_request_list_t parameterListRequestMessage;
	static mavlink_param_set_t parameterSetMessage;

	GroundLink* instance = GroundLink::instance;  // The instance of GroundLink this static method is operating on.
	instance->timeOfLastMessage = TimeBase::getSystemTimeMs(); // This may be used to detect connection timeouts.

	switch(msg->msgid)
	{
	case MAVLINK_MSG_ID_PARAM_REQUEST_LIST:
		mavlink_msg_param_request_list_decode(msg, &parameterListRequestMessage);
		// Check if this message is for us:
		if(instance->mavLink.isMySystemID(parameterListRequestMessage.target_system)){
			// set up counter in order to transmit the first parameter first:
			instance->linkState.parameterTransactionManager.txCounter = 0;
			instance->linkState.parameterTransactionManager.state = PAR_LIST_REQUEST_RECEIVED;
		}
		break;

	case MAVLINK_MSG_ID_PARAM_SET:
		mavlink_msg_param_set_decode(msg, &parameterSetMessage);
		// Check if this message is for us:
		if(instance->mavLink.isMySystemID(parameterSetMessage.target_system)){
			// Assign value to onboard parameter.
			instance->linkState.parameterTransactionManager.indexOfLastReceivedParameter = instance->parameterManager->setFloat(parameterSetMessage.param_value, parameterSetMessage.param_id);
			instance->linkState.parameterTransactionManager.state = PAR_GOT_PARAMETER;
		}
		break;

	default:
		break;
	}
}
void GCS_MAVLINK::handle_param_request_list(mavlink_message_t *msg)
{
    mavlink_param_request_list_t packet;
    mavlink_msg_param_request_list_decode(msg, &packet);

    // send system ID if we can
    char sysid[40];
    if (hal.util->get_system_id(sysid)) {
        send_text(MAV_SEVERITY_WARNING, sysid);
    }

    // Start sending parameters - next call to ::update will kick the first one out
    _queued_parameter = AP_Param::first(&_queued_parameter_token, &_queued_parameter_type);
    _queued_parameter_index = 0;
    _queued_parameter_count = AP_Param::count_parameters();
}
static void onboard_parameters_send_all_parameters(onboard_parameters_t* onboard_parameters, uint32_t sysid, mavlink_message_t* msg) 
{
	mavlink_param_request_list_t packet;
	mavlink_msg_param_request_list_decode(msg, &packet);
	
	if ((uint8_t)packet.target_system == (uint8_t)sysid)
	{
		onboard_parameters_set_t* param_set = onboard_parameters->param_set;

		// schedule all parameters for transmission
		for (uint8_t i = 0; i < param_set->param_count; i++)
		{
			param_set->parameters[i].schedule_for_transmission=true;
		}
	}
}
Beispiel #4
0
void GCS_MAVLINK::handle_param_request_list(mavlink_message_t *msg)
{
    mavlink_param_request_list_t packet;
    mavlink_msg_param_request_list_decode(msg, &packet);
    if (mavlink_check_target(packet.target_system,packet.target_component)) {
        return;
    }

#if CONFIG_HAL_BOARD != HAL_BOARD_APM1 && CONFIG_HAL_BOARD != HAL_BOARD_APM2
    // send system ID if we can
    char sysid[40];
    if (hal.util->get_system_id(sysid)) {
        send_text(SEVERITY_LOW, sysid);
    }
#endif

    // Start sending parameters - next call to ::update will kick the first one out
    _queued_parameter = AP_Param::first(&_queued_parameter_token, &_queued_parameter_type);
    _queued_parameter_index = 0;
    _queued_parameter_count = _count_parameters();
}
void
MavlinkParametersManager::handle_message(const mavlink_message_t *msg)
{
	switch (msg->msgid) {
	case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
			/* request all parameters */
			mavlink_param_request_list_t req_list;
			mavlink_msg_param_request_list_decode(msg, &req_list);

			if (req_list.target_system == mavlink_system.sysid &&
			    (req_list.target_component == mavlink_system.compid || req_list.target_component == MAV_COMP_ID_ALL)) {

				_send_all_index = 0;
				_mavlink->send_statustext_info("[pm] sending list");
			}
			break;
		}

	case MAVLINK_MSG_ID_PARAM_SET: {
			/* set parameter */
			if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) {
				mavlink_param_set_t set;
				mavlink_msg_param_set_decode(msg, &set);

				if (set.target_system == mavlink_system.sysid &&
				    (set.target_component == mavlink_system.compid || set.target_component == MAV_COMP_ID_ALL)) {

					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter, set and send it */
					param_t param = param_find(name);

					if (param == PARAM_INVALID) {
						char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
						sprintf(buf, "[pm] unknown param: %s", name);
						_mavlink->send_statustext_info(buf);

					} else {
						/* set and send parameter */
						param_set(param, &(set.param_value));
						send_param(param);
					}
				}
			}
			break;
		}

	case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
			/* request one parameter */
			mavlink_param_request_read_t req_read;
			mavlink_msg_param_request_read_decode(msg, &req_read);

			if (req_read.target_system == mavlink_system.sysid &&
			    (req_read.target_component == mavlink_system.compid || req_read.target_component == MAV_COMP_ID_ALL)) {

				/* when no index is given, loop through string ids and compare them */
				if (req_read.param_index < 0) {
					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, req_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter and send it */
					send_param(param_find(name));

				} else {
					/* when index is >= 0, send this parameter again */
					send_param(param_for_index(req_read.param_index));
				}
			}
			break;
		}

	default:
		break;
	}
}
void
MavlinkParametersManager::handle_message(const mavlink_message_t *msg)
{
	switch (msg->msgid) {
	case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
			/* request all parameters */
			mavlink_param_request_list_t req_list;
			mavlink_msg_param_request_list_decode(msg, &req_list);

			if (req_list.target_system == mavlink_system.sysid &&
			    (req_list.target_component == mavlink_system.compid || req_list.target_component == MAV_COMP_ID_ALL)) {

				_send_all_index = 0;
				_mavlink->send_statustext_info("[pm] sending list");
			}
			break;
		}

	case MAVLINK_MSG_ID_PARAM_SET: {
			/* set parameter */
			if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) {
				mavlink_param_set_t set;
				mavlink_msg_param_set_decode(msg, &set);

				if (set.target_system == mavlink_system.sysid &&
				    (set.target_component == mavlink_system.compid || set.target_component == MAV_COMP_ID_ALL)) {

					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter, set and send it */
					param_t param = param_find(name);

					if (param == PARAM_INVALID) {
						char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
						sprintf(buf, "[pm] unknown param: %s", name);
						_mavlink->send_statustext_info(buf);

					} else {
						/* set and send parameter */
						param_set(param, &(set.param_value));
						send_param(param);
					}
				}
			}
			break;
		}

	case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
			/* request one parameter */
			mavlink_param_request_read_t req_read;
			mavlink_msg_param_request_read_decode(msg, &req_read);

			if (req_read.target_system == mavlink_system.sysid &&
			    (req_read.target_component == mavlink_system.compid || req_read.target_component == MAV_COMP_ID_ALL)) {

				/* when no index is given, loop through string ids and compare them */
				if (req_read.param_index < 0) {
					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, req_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter and send it */
					send_param(param_find(name));

				} else {
					/* when index is >= 0, send this parameter again */
					send_param(param_for_index(req_read.param_index));
				}
			}
			break;
		}

	case MAVLINK_MSG_ID_PARAM_MAP_RC: {
			/* map a rc channel to a parameter */
			mavlink_param_map_rc_t map_rc;
			mavlink_msg_param_map_rc_decode(msg, &map_rc);

			if (map_rc.target_system == mavlink_system.sysid &&
			    (map_rc.target_component == mavlink_system.compid ||
			     map_rc.target_component == MAV_COMP_ID_ALL)) {

				/* Copy values from msg to uorb using the parameter_rc_channel_index as index */
				size_t i = map_rc.parameter_rc_channel_index;
				_rc_param_map.param_index[i] = map_rc.param_index;
				strncpy(&(_rc_param_map.param_id[i][0]), map_rc.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
				/* enforce null termination */
				_rc_param_map.param_id[i][MAVLINK_MSG_PARAM_MAP_RC_FIELD_PARAM_ID_LEN] = '\0';
				_rc_param_map.scale[i] = map_rc.scale;
				_rc_param_map.value0[i] = map_rc.param_value0;
				_rc_param_map.value_min[i] = map_rc.param_value_min;
				_rc_param_map.value_max[i] = map_rc.param_value_max;
				if (map_rc.param_index == -2) { // -2 means unset map
					_rc_param_map.valid[i] = false;
				} else {
					_rc_param_map.valid[i] = true;
				}
				_rc_param_map.timestamp = hrt_absolute_time();

				if (_rc_param_map_pub < 0) {
					_rc_param_map_pub = orb_advertise(ORB_ID(rc_parameter_map), &_rc_param_map);

				} else {
					orb_publish(ORB_ID(rc_parameter_map), _rc_param_map_pub, &_rc_param_map);
				}

			}
			break;
		}

	default:
		break;
	}
}
void
MavlinkParametersManager::handle_message(const mavlink_message_t *msg)
{
	switch (msg->msgid) {
	case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
			/* request all parameters */
			mavlink_param_request_list_t req_list;
			mavlink_msg_param_request_list_decode(msg, &req_list);

			if (req_list.target_system == mavlink_system.sysid &&
			    (req_list.target_component == mavlink_system.compid || req_list.target_component == MAV_COMP_ID_ALL)) {
				if (_send_all_index < 0) {
					_send_all_index = PARAM_HASH;

				} else {
					/* a restart should skip the hash check on the ground */
					_send_all_index = 0;
				}
			}

			if (req_list.target_system == mavlink_system.sysid && req_list.target_component < 127 &&
			    (req_list.target_component != mavlink_system.compid || req_list.target_component == MAV_COMP_ID_ALL)) {
				// publish list request to UAVCAN driver via uORB.
				uavcan_parameter_request_s req;
				req.message_type = msg->msgid;
				req.node_id = req_list.target_component;
				req.param_index = 0;

				if (_uavcan_parameter_request_pub == nullptr) {
					_uavcan_parameter_request_pub = orb_advertise(ORB_ID(uavcan_parameter_request), &req);

				} else {
					orb_publish(ORB_ID(uavcan_parameter_request), _uavcan_parameter_request_pub, &req);
				}
			}

			break;
		}

	case MAVLINK_MSG_ID_PARAM_SET: {
			/* set parameter */
			mavlink_param_set_t set;
			mavlink_msg_param_set_decode(msg, &set);

			if (set.target_system == mavlink_system.sysid &&
			    (set.target_component == mavlink_system.compid || set.target_component == MAV_COMP_ID_ALL)) {

				/* local name buffer to enforce null-terminated string */
				char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
				strncpy(name, set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
				/* enforce null termination */
				name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';

				/* Whatever the value is, we're being told to stop sending */
				if (strncmp(name, "_HASH_CHECK", sizeof(name)) == 0) {
					_send_all_index = -1;
					/* No other action taken, return */
					return;
				}

				/* attempt to find parameter, set and send it */
				param_t param = param_find_no_notification(name);

				if (param == PARAM_INVALID) {
					char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
					sprintf(buf, "[pm] unknown param: %s", name);
					_mavlink->send_statustext_info(buf);

				} else {
					// Load current value before setting it
					float curr_val;
					param_get(param, &curr_val);
					param_set(param, &(set.param_value));

					// Check if the parameter changed. If it didn't change, send current value back
					if (!(fabsf(curr_val - set.param_value) > 0.0f)) {
						send_param(param);
					}
				}
			}

			if (set.target_system == mavlink_system.sysid && set.target_component < 127 &&
			    (set.target_component != mavlink_system.compid || set.target_component == MAV_COMP_ID_ALL)) {
				// publish set request to UAVCAN driver via uORB.
				uavcan_parameter_request_s req;
				req.message_type = msg->msgid;
				req.node_id = set.target_component;
				req.param_index = -1;
				strncpy(req.param_id, set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1);
				req.param_id[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';

				if (set.param_type == MAV_PARAM_TYPE_REAL32) {
					req.param_type = MAV_PARAM_TYPE_REAL32;
					req.real_value = set.param_value;

				} else {
					int32_t val;
					memcpy(&val, &set.param_value, sizeof(int32_t));
					req.param_type = MAV_PARAM_TYPE_INT64;
					req.int_value = val;
				}

				if (_uavcan_parameter_request_pub == nullptr) {
					_uavcan_parameter_request_pub = orb_advertise(ORB_ID(uavcan_parameter_request), &req);

				} else {
					orb_publish(ORB_ID(uavcan_parameter_request), _uavcan_parameter_request_pub, &req);
				}
			}

			break;
		}

	case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
			/* request one parameter */
			mavlink_param_request_read_t req_read;
			mavlink_msg_param_request_read_decode(msg, &req_read);

			if (req_read.target_system == mavlink_system.sysid &&
			    (req_read.target_component == mavlink_system.compid || req_read.target_component == MAV_COMP_ID_ALL)) {

				/* when no index is given, loop through string ids and compare them */
				if (req_read.param_index < 0) {
					/* XXX: I left this in so older versions of QGC wouldn't break */
					if (strncmp(req_read.param_id, HASH_PARAM, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN) == 0) {
						/* return hash check for cached params */
						uint32_t hash = param_hash_check();

						/* build the one-off response message */
						mavlink_param_value_t param_value;
						param_value.param_count = param_count_used();
						param_value.param_index = -1;
						strncpy(param_value.param_id, HASH_PARAM, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
						param_value.param_type = MAV_PARAM_TYPE_UINT32;
						memcpy(&param_value.param_value, &hash, sizeof(hash));
						mavlink_msg_param_value_send_struct(_mavlink->get_channel(), &param_value);

					} else {
						/* local name buffer to enforce null-terminated string */
						char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
						strncpy(name, req_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
						/* enforce null termination */
						name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
						/* attempt to find parameter and send it */
						send_param(param_find_no_notification(name));
					}

				} else {
					/* when index is >= 0, send this parameter again */
					int ret = send_param(param_for_used_index(req_read.param_index));

					if (ret == 1) {
						char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
						sprintf(buf, "[pm] unknown param ID: %u", req_read.param_index);
						_mavlink->send_statustext_info(buf);

					} else if (ret == 2) {
						char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
						sprintf(buf, "[pm] failed loading param from storage ID: %u", req_read.param_index);
						_mavlink->send_statustext_info(buf);
					}
				}
			}

			if (req_read.target_system == mavlink_system.sysid && req_read.target_component < 127 &&
			    (req_read.target_component != mavlink_system.compid || req_read.target_component == MAV_COMP_ID_ALL)) {
				// publish set request to UAVCAN driver via uORB.
				uavcan_parameter_request_s req = {};
				req.timestamp = hrt_absolute_time();
				req.message_type = msg->msgid;
				req.node_id = req_read.target_component;
				req.param_index = req_read.param_index;
				strncpy(req.param_id, req_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1);
				req.param_id[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';

				// Enque the request and forward the first to the uavcan node
				enque_uavcan_request(&req);
				request_next_uavcan_parameter();
			}

			break;
		}

	case MAVLINK_MSG_ID_PARAM_MAP_RC: {
			/* map a rc channel to a parameter */
			mavlink_param_map_rc_t map_rc;
			mavlink_msg_param_map_rc_decode(msg, &map_rc);

			if (map_rc.target_system == mavlink_system.sysid &&
			    (map_rc.target_component == mavlink_system.compid ||
			     map_rc.target_component == MAV_COMP_ID_ALL)) {

				/* Copy values from msg to uorb using the parameter_rc_channel_index as index */
				size_t i = map_rc.parameter_rc_channel_index;
				_rc_param_map.param_index[i] = map_rc.param_index;
				strncpy(&(_rc_param_map.param_id[i * (rc_parameter_map_s::PARAM_ID_LEN + 1)]), map_rc.param_id,
					MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
				/* enforce null termination */
				_rc_param_map.param_id[i * (rc_parameter_map_s::PARAM_ID_LEN + 1) + rc_parameter_map_s::PARAM_ID_LEN] = '\0';
				_rc_param_map.scale[i] = map_rc.scale;
				_rc_param_map.value0[i] = map_rc.param_value0;
				_rc_param_map.value_min[i] = map_rc.param_value_min;
				_rc_param_map.value_max[i] = map_rc.param_value_max;

				if (map_rc.param_index == -2) { // -2 means unset map
					_rc_param_map.valid[i] = false;

				} else {
					_rc_param_map.valid[i] = true;
				}

				_rc_param_map.timestamp = hrt_absolute_time();

				if (_rc_param_map_pub == nullptr) {
					_rc_param_map_pub = orb_advertise(ORB_ID(rc_parameter_map), &_rc_param_map);

				} else {
					orb_publish(ORB_ID(rc_parameter_map), _rc_param_map_pub, &_rc_param_map);
				}

			}

			break;
		}

	default:
		break;
	}
}
Beispiel #8
0
void CcUnpackCycle(SerialDriver *sdp){
  mavlink_message_t msg;
  mavlink_status_t status;
  msg_t c = 0;
  msg_t prev_c = 0;

  while (!chThdShouldTerminate()) {
    if (!cc_port_ready()){
      chThdSleepMilliseconds(50);
      continue;
    }
    else{
      /* Try to get an escaped with DLE symbols message */
      c = sdGetTimeout((SerialDriver *)sdp, MS2ST(50));
      if (c == Q_TIMEOUT)
        continue;
      prev_c = c;
      if (prev_c == DLE){
        prev_c = 0; /* set it to any just not DLE nor ETX */
        c = sdGetTimeout((SerialDriver *)sdp, MS2ST(50));
        if (c == Q_TIMEOUT)
          continue;
      }
    }

    if (mavlink_parse_char(MAVLINK_COMM_0, (uint8_t)c, &msg, &status)) {
      switch(msg.msgid){
        case MAVLINK_MSG_ID_COMMAND_LONG:
          mavlink_msg_command_long_decode(&msg, &mavlink_command_long_struct);
          if (mavlink_command_long_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_command_long, EVMSK_MAVLINK_COMMAND_LONG);
          break;

        case MAVLINK_MSG_ID_PARAM_REQUEST_READ:
          mavlink_msg_param_request_read_decode(&msg, &mavlink_param_request_read_struct);
          if (mavlink_param_request_read_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_param_request_read, EVMSK_MAVLINK_PARAM_REQUEST_READ);
          break;

        case MAVLINK_MSG_ID_PARAM_REQUEST_LIST:
          mavlink_msg_param_request_list_decode(&msg, &mavlink_param_request_list_struct);
          if (mavlink_param_request_list_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_param_request_list, EVMSK_MAVLINK_PARAM_REQUEST_LIST);
          break;

        case MAVLINK_MSG_ID_PARAM_SET:
          mavlink_msg_param_set_decode(&msg, &mavlink_param_set_struct);
          if (mavlink_param_set_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_param_set, EVMSK_MAVLINK_PARAM_SET);
          break;

        case MAVLINK_MSG_ID_OBLIQUE_STORAGE_REQUEST_CC:
          mavlink_msg_oblique_storage_request_cc_decode(&msg, &mavlink_oblique_storage_request_cc_struct);
          if (mavlink_oblique_storage_request_cc_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_oblique_storage_request_cc, EVMSK_MAVLINK_OBLIQUE_STORAGE_REQUEST_CC);
          break;

        case MAVLINK_MSG_ID_OBLIQUE_STORAGE_REQUEST_COUNT_CC:
          mavlink_msg_oblique_storage_request_count_cc_decode(&msg, &mavlink_oblique_storage_request_count_cc_struct);
          if (mavlink_oblique_storage_request_count_cc_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_oblique_storage_request_count_cc, EVMSK_MAVLINK_OBLIQUE_STORAGE_REQUEST_COUNT_CC);
          break;

        case MAVLINK_MSG_ID_HEARTBEAT_CC:
          mavlink_msg_heartbeat_cc_decode(&msg, &mavlink_heartbeat_cc_struct);
//          if (mavlink_heartbeat_cc_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_heartbeat_cc, EVMSK_MAVLINK_HEARTBEAT_CC);
          break;

        case MAVLINK_MSG_ID_STATUSTEXT:
          mavlink_msg_statustext_decode(&msg, &mavlink_statustext_struct);
//          if (mavlink_statustext_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_statustext, EVMSK_MAVLINK_STATUSTEXT);
          break;

        case MAVLINK_MSG_ID_OBLIQUE_AGPS:
          mavlink_msg_oblique_agps_decode(&msg, &mavlink_oblique_agps_struct);
          if (mavlink_oblique_agps_struct.target_system == mavlink_system_struct.sysid)
            chEvtBroadcastFlags(&event_mavlink_oblique_agps, EVMSK_MAVLINK_OBLIQUE_AGPS);
          break;


      default:
        break;
      }
    }
  }
}
void MavlinkComm::_handleMessage(mavlink_message_t * msg) {

    uint32_t timeStamp = micros();

    switch (msg->msgid) {
        _board->debug->printf_P(PSTR("message received: %d"), msg->msgid);

    case MAVLINK_MSG_ID_HEARTBEAT: {
        mavlink_heartbeat_t packet;
        mavlink_msg_heartbeat_decode(msg, &packet);
        _lastHeartBeat = micros();
        break;
    }

    case MAVLINK_MSG_ID_GPS_RAW: {
        // decode
        mavlink_gps_raw_t packet;
        mavlink_msg_gps_raw_decode(msg, &packet);

        _navigator->setTimeStamp(timeStamp);
        _navigator->setLat(packet.lat * deg2Rad);
        _navigator->setLon(packet.lon * deg2Rad);
        _navigator->setAlt(packet.alt);
        _navigator->setYaw(packet.hdg * deg2Rad);
        _navigator->setGroundSpeed(packet.v);
        _navigator->setAirSpeed(packet.v);
        //_board->debug->printf_P(PSTR("received hil gps raw packet\n"));
        /*
         _board->debug->printf_P(PSTR("received lat: %f deg\tlon: %f deg\talt: %f m\n"),
         packet.lat,
         packet.lon,
         packet.alt);
         */
        break;
    }

    case MAVLINK_MSG_ID_HIL_STATE: {
        // decode
        mavlink_hil_state_t packet;
        mavlink_msg_hil_state_decode(msg, &packet);
        _navigator->setTimeStamp(timeStamp);
        _navigator->setRoll(packet.roll);
        _navigator->setPitch(packet.pitch);
        _navigator->setYaw(packet.yaw);
        _navigator->setRollRate(packet.rollspeed);
        _navigator->setPitchRate(packet.pitchspeed);
        _navigator->setYawRate(packet.yawspeed);
        _navigator->setVN(packet.vx/ 1e2);
        _navigator->setVE(packet.vy/ 1e2);
        _navigator->setVD(packet.vz/ 1e2);
        _navigator->setLat_degInt(packet.lat);
        _navigator->setLon_degInt(packet.lon);
        _navigator->setAlt(packet.alt / 1e3);
        _navigator->setXAccel(packet.xacc/ 1e3);
        _navigator->setYAccel(packet.xacc/ 1e3);
        _navigator->setZAccel(packet.xacc/ 1e3);
        break; 
    } 

    case MAVLINK_MSG_ID_ATTITUDE: {
        // decode
        mavlink_attitude_t packet;
        mavlink_msg_attitude_decode(msg, &packet);

        // set dcm hil sensor
        _navigator->setTimeStamp(timeStamp);
        _navigator->setRoll(packet.roll);
        _navigator->setPitch(packet.pitch);
        _navigator->setYaw(packet.yaw);
        _navigator->setRollRate(packet.rollspeed);
        _navigator->setPitchRate(packet.pitchspeed);
        _navigator->setYawRate(packet.yawspeed);
        //_board->debug->printf_P(PSTR("received hil attitude packet\n"));
        break;
    }

    case MAVLINK_MSG_ID_ACTION: {
        // decode
        mavlink_action_t packet;
        mavlink_msg_action_decode(msg, &packet);
        if (_checkTarget(packet.target, packet.target_component))
            break;

        // do action
        sendText(SEVERITY_LOW, PSTR("action received"));
        switch (packet.action) {

        case MAV_ACTION_STORAGE_READ:
            AP_Var::load_all();
            break;

        case MAV_ACTION_STORAGE_WRITE:
            AP_Var::save_all();
            break;

        case MAV_ACTION_MOTORS_START:
            _controller->setMode(MAV_MODE_READY);
            break;

        case MAV_ACTION_CALIBRATE_GYRO:
        case MAV_ACTION_CALIBRATE_MAG:
        case MAV_ACTION_CALIBRATE_ACC:
        case MAV_ACTION_CALIBRATE_PRESSURE:
            _controller->setMode(MAV_MODE_LOCKED);
            _navigator->calibrate();
            break;

        case MAV_ACTION_EMCY_KILL:
        case MAV_ACTION_CONFIRM_KILL:
        case MAV_ACTION_MOTORS_STOP:
        case MAV_ACTION_SHUTDOWN:
            _controller->setMode(MAV_MODE_LOCKED);
            break;

        case MAV_ACTION_LAUNCH:
        case MAV_ACTION_TAKEOFF:
            _guide->setMode(MAV_NAV_LIFTOFF);
            break;

        case MAV_ACTION_LAND:
            _guide->setCurrentIndex(0);
            _guide->setMode(MAV_NAV_LANDING);
            break;

        case MAV_ACTION_EMCY_LAND:
            _guide->setMode(MAV_NAV_LANDING);
            break;

        case MAV_ACTION_LOITER:
        case MAV_ACTION_HALT:
            _guide->setMode(MAV_NAV_LOITER);
            break;

        case MAV_ACTION_SET_AUTO:
            _controller->setMode(MAV_MODE_AUTO);
            break;

        case MAV_ACTION_SET_MANUAL:
            _controller->setMode(MAV_MODE_MANUAL);
            break;

        case MAV_ACTION_RETURN:
            _guide->setMode(MAV_NAV_RETURNING);
            break;

        case MAV_ACTION_NAVIGATE:
        case MAV_ACTION_CONTINUE:
            _guide->setMode(MAV_NAV_WAYPOINT);
            break;

        case MAV_ACTION_CALIBRATE_RC:
        case MAV_ACTION_REBOOT:
        case MAV_ACTION_REC_START:
        case MAV_ACTION_REC_PAUSE:
        case MAV_ACTION_REC_STOP:
            sendText(SEVERITY_LOW, PSTR("action not implemented"));
            break;
        default:
            sendText(SEVERITY_LOW, PSTR("unknown action"));
            break;
        }
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST: {
        sendText(SEVERITY_LOW, PSTR("waypoint request list"));

        // decode
        mavlink_waypoint_request_list_t packet;
        mavlink_msg_waypoint_request_list_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // Start sending waypoints
        mavlink_msg_waypoint_count_send(_channel, msg->sysid, msg->compid,
                                        _guide->getNumberOfCommands());

        _cmdTimeLastSent = millis();
        _cmdTimeLastReceived = millis();
        _sendingCmds = true;
        _receivingCmds = false;
        _cmdDestSysId = msg->sysid;
        _cmdDestCompId = msg->compid;
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_REQUEST: {
        sendText(SEVERITY_LOW, PSTR("waypoint request"));

        // Check if sending waypiont
        if (!_sendingCmds)
            break;

        // decode
        mavlink_waypoint_request_t packet;
        mavlink_msg_waypoint_request_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        _board->debug->printf_P(PSTR("sequence: %d\n"),packet.seq);
        AP_MavlinkCommand cmd(packet.seq);

        mavlink_waypoint_t wp = cmd.convert(_guide->getCurrentIndex());
        mavlink_msg_waypoint_send(_channel, _cmdDestSysId, _cmdDestCompId,
                                  wp.seq, wp.frame, wp.command, wp.current, wp.autocontinue,
                                  wp.param1, wp.param2, wp.param3, wp.param4, wp.x, wp.y,
                                  wp.z);

        // update last waypoint comm stamp
        _cmdTimeLastSent = millis();
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_ACK: {
        sendText(SEVERITY_LOW, PSTR("waypoint ack"));

        // decode
        mavlink_waypoint_ack_t packet;
        mavlink_msg_waypoint_ack_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // check for error
        //uint8_t type = packet.type; // ok (0), error(1)

        // turn off waypoint send
        _sendingCmds = false;
        break;
    }

    case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
        sendText(SEVERITY_LOW, PSTR("param request list"));

        // decode
        mavlink_param_request_list_t packet;
        mavlink_msg_param_request_list_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // Start sending parameters - next call to ::update will kick the first one out

        _queuedParameter = AP_Var::first();
        _queuedParameterIndex = 0;
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_CLEAR_ALL: {
        sendText(SEVERITY_LOW, PSTR("waypoint clear all"));

        // decode
        mavlink_waypoint_clear_all_t packet;
        mavlink_msg_waypoint_clear_all_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // clear all waypoints
        uint8_t type = 0; // ok (0), error(1)
        _guide->setNumberOfCommands(1);
        _guide->setCurrentIndex(0);

        // send acknowledgement 3 times to makes sure it is received
        for (int i = 0; i < 3; i++)
            mavlink_msg_waypoint_ack_send(_channel, msg->sysid,
                                          msg->compid, type);

        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_SET_CURRENT: {
        sendText(SEVERITY_LOW, PSTR("waypoint set current"));

        // decode
        mavlink_waypoint_set_current_t packet;
        mavlink_msg_waypoint_set_current_decode(msg, &packet);
        Serial.print("Packet Sequence:");
        Serial.println(packet.seq);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // set current waypoint
        Serial.print("Current Index:");
        Serial.println(_guide->getCurrentIndex());
        Serial.flush();
        _guide->setCurrentIndex(packet.seq);
        mavlink_msg_waypoint_current_send(_channel,
                                          _guide->getCurrentIndex());
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT_COUNT: {
        sendText(SEVERITY_LOW, PSTR("waypoint count"));

        // decode
        mavlink_waypoint_count_t packet;
        mavlink_msg_waypoint_count_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // start waypoint receiving
        if (packet.count > _cmdMax) {
            packet.count = _cmdMax;
        }
        _cmdNumberRequested = packet.count;
        _cmdTimeLastReceived = millis();
        _receivingCmds = true;
        _sendingCmds = false;
        _cmdRequestIndex = 0;
        break;
    }

    case MAVLINK_MSG_ID_WAYPOINT: {
        sendText(SEVERITY_LOW, PSTR("waypoint"));

        // Check if receiving waypiont
        if (!_receivingCmds) {
            //sendText(SEVERITY_HIGH, PSTR("not receiving commands"));
            break;
        }

        // decode
        mavlink_waypoint_t packet;
        mavlink_msg_waypoint_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // check if this is the requested waypoint
        if (packet.seq != _cmdRequestIndex) {
            char warningMsg[50];
            sprintf(warningMsg,
                    "waypoint request out of sequence: (packet) %d / %d (ap)",
                    packet.seq, _cmdRequestIndex);
            sendText(SEVERITY_HIGH, warningMsg);
            break;
        }

        _board->debug->printf_P(PSTR("received waypoint x: %f\ty: %f\tz: %f\n"),
                              packet.x,
                              packet.y,
                              packet.z);

        // store waypoint
        AP_MavlinkCommand command(packet);
        //sendText(SEVERITY_HIGH, PSTR("waypoint stored"));
        _cmdRequestIndex++;
        if (_cmdRequestIndex == _cmdNumberRequested) {
            sendMessage(MAVLINK_MSG_ID_WAYPOINT_ACK);
            _receivingCmds = false;
            _guide->setNumberOfCommands(_cmdNumberRequested);

            // make sure curernt waypoint still exists
            if (_cmdNumberRequested > _guide->getCurrentIndex()) {
                _guide->setCurrentIndex(0);
                mavlink_msg_waypoint_current_send(_channel,
                                          _guide->getCurrentIndex());
            }

            //sendText(SEVERITY_LOW, PSTR("waypoint ack sent"));
        } else if (_cmdRequestIndex > _cmdNumberRequested) {
            _receivingCmds = false;
        }
        _cmdTimeLastReceived = millis();
        break;
    }

    case MAVLINK_MSG_ID_PARAM_SET: {
        sendText(SEVERITY_LOW, PSTR("param set"));
        AP_Var *vp;
        AP_Meta_class::Type_id var_type;

        // decode
        mavlink_param_set_t packet;
        mavlink_msg_param_set_decode(msg, &packet);
        if (_checkTarget(packet.target_system, packet.target_component))
            break;

        // set parameter

        char key[_paramNameLengthMax + 1];
        strncpy(key, (char *) packet.param_id, _paramNameLengthMax);
        key[_paramNameLengthMax] = 0;

        // find the requested parameter
        vp = AP_Var::find(key);
        if ((NULL != vp) && // exists
                !isnan(packet.param_value) && // not nan
                !isinf(packet.param_value)) { // not inf

            // add a small amount before casting parameter values
            // from float to integer to avoid truncating to the
            // next lower integer value.
            const float rounding_addition = 0.01;

            // fetch the variable type ID
            var_type = vp->meta_type_id();

            // handle variables with standard type IDs
            if (var_type == AP_Var::k_typeid_float) {
                ((AP_Float *) vp)->set_and_save(packet.param_value);

            } else if (var_type == AP_Var::k_typeid_float16) {
                ((AP_Float16 *) vp)->set_and_save(packet.param_value);

            } else if (var_type == AP_Var::k_typeid_int32) {
                ((AP_Int32 *) vp)->set_and_save(
                    packet.param_value + rounding_addition);

            } else if (var_type == AP_Var::k_typeid_int16) {
                ((AP_Int16 *) vp)->set_and_save(
                    packet.param_value + rounding_addition);

            } else if (var_type == AP_Var::k_typeid_int8) {
                ((AP_Int8 *) vp)->set_and_save(
                    packet.param_value + rounding_addition);
            } else {
                // we don't support mavlink set on this parameter
                break;
            }

            // Report back the new value if we accepted the change
            // we send the value we actually set, which could be
            // different from the value sent, in case someone sent
            // a fractional value to an integer type
            mavlink_msg_param_value_send(_channel, (int8_t *) key,
                                         vp->cast_to_float(), _countParameters(), -1); // XXX we don't actually know what its index is...
        }

        break;
    } // end case


    }
}
Beispiel #10
0
void Mavlink::mavlink_pm_message_handler(const mavlink_channel_t chan, const mavlink_message_t *msg)
{
	switch (msg->msgid) {
	case MAVLINK_MSG_ID_PARAM_REQUEST_LIST: {
			mavlink_param_request_list_t req;
			mavlink_msg_param_request_list_decode(msg, &req);

			if (req.target_system == mavlink_system.sysid &&
			    (req.target_component == mavlink_system.compid || req.target_component == MAV_COMP_ID_ALL)) {
				/* Start sending parameters */
				mavlink_pm_start_queued_send();
				send_statustext_info("[pm] sending list");
			}
		} break;

	case MAVLINK_MSG_ID_PARAM_SET: {

			/* Handle parameter setting */

			if (msg->msgid == MAVLINK_MSG_ID_PARAM_SET) {
				mavlink_param_set_t mavlink_param_set;
				mavlink_msg_param_set_decode(msg, &mavlink_param_set);

				if (mavlink_param_set.target_system == mavlink_system.sysid
				    && ((mavlink_param_set.target_component == mavlink_system.compid)
					|| (mavlink_param_set.target_component == MAV_COMP_ID_ALL))) {
					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, mavlink_param_set.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter, set and send it */
					param_t param = param_find(name);

					if (param == PARAM_INVALID) {
						char buf[MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN];
						sprintf(buf, "[pm] unknown: %s", name);
						send_statustext_info(buf);

					} else {
						/* set and send parameter */
						param_set(param, &(mavlink_param_set.param_value));
						mavlink_pm_send_param(param);
					}
				}
			}
		} break;

	case MAVLINK_MSG_ID_PARAM_REQUEST_READ: {
			mavlink_param_request_read_t mavlink_param_request_read;
			mavlink_msg_param_request_read_decode(msg, &mavlink_param_request_read);

			if (mavlink_param_request_read.target_system == mavlink_system.sysid
			    && ((mavlink_param_request_read.target_component == mavlink_system.compid)
				|| (mavlink_param_request_read.target_component == MAV_COMP_ID_ALL))) {
				/* when no index is given, loop through string ids and compare them */
				if (mavlink_param_request_read.param_index == -1) {
					/* local name buffer to enforce null-terminated string */
					char name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN + 1];
					strncpy(name, mavlink_param_request_read.param_id, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN);
					/* enforce null termination */
					name[MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN] = '\0';
					/* attempt to find parameter and send it */
					mavlink_pm_send_param_for_name(name);

				} else {
					/* when index is >= 0, send this parameter again */
					mavlink_pm_send_param_for_index(mavlink_param_request_read.param_index);
				}
			}

		} break;
	}
}
bool
MavESP8266Component::handleMessage(MavESP8266Bridge* sender, mavlink_message_t* message) {

  //
  //   TODO: These response messages need to be queued up and sent as part of the main loop and not all
  //   at once from here.
  //
  //-----------------------------------------------


  //-- MAVLINK_MSG_ID_PARAM_SET
  if(message->msgid == MAVLINK_MSG_ID_PARAM_SET) {
      mavlink_param_set_t param;
      mavlink_msg_param_set_decode(message, &param);
      DEBUG_LOG("MAVLINK_MSG_ID_PARAM_SET: %u %s\n", param.target_component, param.param_id);
      if(param.target_component == MAV_COMP_ID_UDP_BRIDGE) {
          _handleParamSet(sender, &param);
          return true;
      }
  //-----------------------------------------------
  //-- MAVLINK_MSG_ID_COMMAND_LONG
  } else if(message->msgid == MAVLINK_MSG_ID_COMMAND_LONG) {
      mavlink_command_long_t cmd;
      mavlink_msg_command_long_decode(message, &cmd);
      if(cmd.target_component == MAV_COMP_ID_ALL || cmd.target_component == MAV_COMP_ID_UDP_BRIDGE) {
          _handleCmdLong(sender, &cmd, cmd.target_component);
          //-- If it was directed to us, eat it and loop
          if(cmd.target_component == MAV_COMP_ID_UDP_BRIDGE) {
              return true;
          }
      }
  //-----------------------------------------------
  //-- MAVLINK_MSG_ID_PARAM_REQUEST_LIST
  } else if(message->msgid == MAVLINK_MSG_ID_PARAM_REQUEST_LIST) {
      mavlink_param_request_list_t param;
      mavlink_msg_param_request_list_decode(message, &param);
      DEBUG_LOG("MAVLINK_MSG_ID_PARAM_REQUEST_LIST: %u\n", param.target_component);
      if(param.target_component == MAV_COMP_ID_ALL || param.target_component == MAV_COMP_ID_UDP_BRIDGE) {
          _handleParamRequestList(sender);
      }
  //-----------------------------------------------
  //-- MAVLINK_MSG_ID_PARAM_REQUEST_READ
  } else if(message->msgid == MAVLINK_MSG_ID_PARAM_REQUEST_READ) {
      mavlink_param_request_read_t param;
      mavlink_msg_param_request_read_decode(message, &param);
      //-- This component or all components?
      if(param.target_component == MAV_COMP_ID_ALL || param.target_component == MAV_COMP_ID_UDP_BRIDGE) {
          //-- If asking for hash, respond and pass through
          if(strncmp(param.param_id, kHASH_PARAM, MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN) == 0) {
              _sendParameter(sender, kHASH_PARAM, getWorld()->getParameters()->paramHashCheck(), 0xFFFF);
          } else {
              _handleParamRequestRead(sender, &param);
              //-- If this was addressed to me only eat message
              if(param.target_component == MAV_COMP_ID_UDP_BRIDGE) {
                  //-- Eat message (don't send it to FC)
                  return true;
              }
          }
      }
  }

  //-- Couldn't handle the message, pass on
  return false;
}