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-rw-r--r--src/modules/mavlink/waypoints.c730
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diff --git a/src/modules/mavlink/waypoints.c b/src/modules/mavlink/waypoints.c
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--- a/src/modules/mavlink/waypoints.c
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-/****************************************************************************
- *
- * Copyright (C) 2008-2013 PX4 Development Team. All rights reserved.
- * Author: @author Petri Tanskanen <petri.tanskanen@inf.ethz.ch>
- * @author Lorenz Meier <lm@inf.ethz.ch>
- * @author Thomas Gubler <thomasgubler@student.ethz.ch>
- * @author Julian Oes <joes@student.ethz.ch>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name PX4 nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/**
- * @file waypoints.c
- * MAVLink waypoint protocol implementation (BSD-relicensed).
- */
-
-#include <math.h>
-#include <sys/prctl.h>
-#include <unistd.h>
-#include <stdio.h>
-#include "mavlink_bridge_header.h"
-#include "waypoints.h"
-#include "util.h"
-#include <uORB/uORB.h>
-#include <uORB/topics/mission.h>
-#include <geo/geo.h>
-#include <dataman/dataman.h>
-#include <drivers/drv_hrt.h>
-#include <systemlib/err.h>
-
-bool verbose = true;
-
-orb_advert_t mission_pub = -1;
-struct mission_s mission;
-
-uint8_t mavlink_wpm_comp_id = MAV_COMP_ID_MISSIONPLANNER;
-
-void
-mavlink_missionlib_send_message(mavlink_message_t *msg)
-{
- uint16_t len = mavlink_msg_to_send_buffer(missionlib_msg_buf, msg);
-
- mavlink_send_uart_bytes(chan, missionlib_msg_buf, len);
-}
-
-
-
-int
-mavlink_missionlib_send_gcs_string(const char *string)
-{
- const int len = MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN;
- mavlink_statustext_t statustext;
- int i = 0;
-
- while (i < len - 1) {
- statustext.text[i] = string[i];
-
- if (string[i] == '\0')
- break;
-
- i++;
- }
-
- if (i > 1) {
- /* Enforce null termination */
- statustext.text[i] = '\0';
- mavlink_message_t msg;
-
- mavlink_msg_statustext_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &statustext);
- mavlink_missionlib_send_message(&msg);
- return OK;
-
- } else {
- return 1;
- }
-}
-
-void publish_mission()
-{
- /* Initialize mission publication if necessary */
- if (mission_pub < 0) {
- mission_pub = orb_advertise(ORB_ID(mission), &mission);
-
- } else {
- orb_publish(ORB_ID(mission), mission_pub, &mission);
- }
-}
-
-int map_mavlink_mission_item_to_mission_item(const mavlink_mission_item_t *mavlink_mission_item, struct mission_item_s *mission_item)
-{
- /* only support global waypoints for now */
- switch (mavlink_mission_item->frame) {
- case MAV_FRAME_GLOBAL:
- mission_item->lat = (double)mavlink_mission_item->x;
- mission_item->lon = (double)mavlink_mission_item->y;
- mission_item->altitude = mavlink_mission_item->z;
- mission_item->altitude_is_relative = false;
- break;
-
- case MAV_FRAME_GLOBAL_RELATIVE_ALT:
- mission_item->lat = (double)mavlink_mission_item->x;
- mission_item->lon = (double)mavlink_mission_item->y;
- mission_item->altitude = mavlink_mission_item->z;
- mission_item->altitude_is_relative = true;
- break;
-
- case MAV_FRAME_LOCAL_NED:
- case MAV_FRAME_LOCAL_ENU:
- return MAV_MISSION_UNSUPPORTED_FRAME;
- case MAV_FRAME_MISSION:
- default:
- return MAV_MISSION_ERROR;
- }
-
- switch (mavlink_mission_item->command) {
- case MAV_CMD_NAV_TAKEOFF:
- mission_item->pitch_min = mavlink_mission_item->param2;
- break;
- default:
- mission_item->acceptance_radius = mavlink_mission_item->param2;
- break;
- }
-
- mission_item->yaw = _wrap_pi(mavlink_mission_item->param4*M_DEG_TO_RAD_F);
- mission_item->loiter_radius = fabsf(mavlink_mission_item->param3);
- mission_item->loiter_direction = (mavlink_mission_item->param3 > 0) ? 1 : -1; /* 1 if positive CW, -1 if negative CCW */
- mission_item->nav_cmd = mavlink_mission_item->command;
-
- mission_item->time_inside = mavlink_mission_item->param1;
- mission_item->autocontinue = mavlink_mission_item->autocontinue;
- // mission_item->index = mavlink_mission_item->seq;
- mission_item->origin = ORIGIN_MAVLINK;
-
- return OK;
-}
-
-int map_mission_item_to_mavlink_mission_item(const struct mission_item_s *mission_item, mavlink_mission_item_t *mavlink_mission_item)
-{
- if (mission_item->altitude_is_relative) {
- mavlink_mission_item->frame = MAV_FRAME_GLOBAL;
- } else {
- mavlink_mission_item->frame = MAV_FRAME_GLOBAL_RELATIVE_ALT;
- }
-
- switch (mission_item->nav_cmd) {
- case NAV_CMD_TAKEOFF:
- mavlink_mission_item->param2 = mission_item->pitch_min;
- break;
- default:
- mavlink_mission_item->param2 = mission_item->acceptance_radius;
- break;
- }
-
- mavlink_mission_item->x = (float)mission_item->lat;
- mavlink_mission_item->y = (float)mission_item->lon;
- mavlink_mission_item->z = mission_item->altitude;
-
- mavlink_mission_item->param4 = mission_item->yaw*M_RAD_TO_DEG_F;
- mavlink_mission_item->param3 = mission_item->loiter_radius*(float)mission_item->loiter_direction;
- mavlink_mission_item->command = mission_item->nav_cmd;
- mavlink_mission_item->param1 = mission_item->time_inside;
- mavlink_mission_item->autocontinue = mission_item->autocontinue;
- // mavlink_mission_item->seq = mission_item->index;
-
- return OK;
-}
-
-void mavlink_wpm_init(mavlink_wpm_storage *state)
-{
- state->size = 0;
- state->max_size = MAVLINK_WPM_MAX_WP_COUNT;
- state->current_state = MAVLINK_WPM_STATE_IDLE;
- state->current_partner_sysid = 0;
- state->current_partner_compid = 0;
- state->timestamp_lastaction = 0;
- state->timestamp_last_send_setpoint = 0;
- state->timeout = MAVLINK_WPM_PROTOCOL_TIMEOUT_DEFAULT;
- state->current_dataman_id = 0;
-}
-
-/*
- * @brief Sends an waypoint ack message
- */
-void mavlink_wpm_send_waypoint_ack(uint8_t sysid, uint8_t compid, uint8_t type)
-{
- mavlink_message_t msg;
- mavlink_mission_ack_t wpa;
-
- wpa.target_system = sysid;
- wpa.target_component = compid;
- wpa.type = type;
-
- mavlink_msg_mission_ack_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wpa);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Sent waypoint ack (%u) to ID %u", wpa.type, wpa.target_system);
-}
-
-/*
- * @brief Broadcasts the new target waypoint and directs the MAV to fly there
- *
- * This function broadcasts its new active waypoint sequence number and
- * sends a message to the controller, advising it to fly to the coordinates
- * of the waypoint with a given orientation
- *
- * @param seq The waypoint sequence number the MAV should fly to.
- */
-void mavlink_wpm_send_waypoint_current(uint16_t seq)
-{
- if (seq < wpm->size) {
- mavlink_message_t msg;
- mavlink_mission_current_t wpc;
-
- wpc.seq = seq;
-
- mavlink_msg_mission_current_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wpc);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Broadcasted new current waypoint %u", wpc.seq);
-
- } else {
- mavlink_missionlib_send_gcs_string("ERROR: wp index out of bounds");
- if (verbose) warnx("ERROR: index out of bounds");
- }
-}
-
-void mavlink_wpm_send_waypoint_count(uint8_t sysid, uint8_t compid, uint16_t count)
-{
- mavlink_message_t msg;
- mavlink_mission_count_t wpc;
-
- wpc.target_system = sysid;
- wpc.target_component = compid;
- wpc.count = mission.count;
-
- mavlink_msg_mission_count_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wpc);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Sent waypoint count (%u) to ID %u", wpc.count, wpc.target_system);
-}
-
-void mavlink_wpm_send_waypoint(uint8_t sysid, uint8_t compid, uint16_t seq)
-{
-
- struct mission_item_s mission_item;
- ssize_t len = sizeof(struct mission_item_s);
-
- dm_item_t dm_current;
-
- if (wpm->current_dataman_id == 0) {
- dm_current = DM_KEY_WAYPOINTS_OFFBOARD_0;
- } else {
- dm_current = DM_KEY_WAYPOINTS_OFFBOARD_1;
- }
-
- if (dm_read(dm_current, seq, &mission_item, len) == len) {
-
- /* create mission_item_s from mavlink_mission_item_t */
- mavlink_mission_item_t wp;
- map_mission_item_to_mavlink_mission_item(&mission_item, &wp);
-
- mavlink_message_t msg;
- wp.target_system = sysid;
- wp.target_component = compid;
- wp.seq = seq;
- mavlink_msg_mission_item_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wp);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Sent waypoint %u to ID %u", wp.seq, wp.target_system);
- } else {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ERROR);
- if (verbose) warnx("ERROR: could not read WP%u", seq);
- }
-}
-
-void mavlink_wpm_send_waypoint_request(uint8_t sysid, uint8_t compid, uint16_t seq)
-{
- if (seq < wpm->max_size) {
- mavlink_message_t msg;
- mavlink_mission_request_t wpr;
- wpr.target_system = sysid;
- wpr.target_component = compid;
- wpr.seq = seq;
- mavlink_msg_mission_request_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wpr);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Sent waypoint request %u to ID %u", wpr.seq, wpr.target_system);
-
- } else {
- mavlink_missionlib_send_gcs_string("ERROR: Waypoint index exceeds list capacity");
- if (verbose) warnx("ERROR: Waypoint index exceeds list capacity");
- }
-}
-
-/*
- * @brief emits a message that a waypoint reached
- *
- * This function broadcasts a message that a waypoint is reached.
- *
- * @param seq The waypoint sequence number the MAV has reached.
- */
-void mavlink_wpm_send_waypoint_reached(uint16_t seq)
-{
- mavlink_message_t msg;
- mavlink_mission_item_reached_t wp_reached;
-
- wp_reached.seq = seq;
-
- mavlink_msg_mission_item_reached_encode(mavlink_system.sysid, mavlink_wpm_comp_id, &msg, &wp_reached);
- mavlink_missionlib_send_message(&msg);
-
- if (verbose) warnx("Sent waypoint %u reached message", wp_reached.seq);
-}
-
-
-void mavlink_waypoint_eventloop(uint64_t now)
-{
- /* check for timed-out operations */
- if (now - wpm->timestamp_lastaction > wpm->timeout && wpm->current_state != MAVLINK_WPM_STATE_IDLE) {
-
- mavlink_missionlib_send_gcs_string("Operation timeout");
-
- if (verbose) warnx("Last operation (state=%u) timed out, changing state to MAVLINK_WPM_STATE_IDLE", wpm->current_state);
-
- wpm->current_state = MAVLINK_WPM_STATE_IDLE;
- wpm->current_partner_sysid = 0;
- wpm->current_partner_compid = 0;
- }
-}
-
-
-void mavlink_wpm_message_handler(const mavlink_message_t *msg)
-{
- uint64_t now = hrt_absolute_time();
-
- switch (msg->msgid) {
-
- case MAVLINK_MSG_ID_MISSION_ACK: {
- mavlink_mission_ack_t wpa;
- mavlink_msg_mission_ack_decode(msg, &wpa);
-
- if ((msg->sysid == wpm->current_partner_sysid && msg->compid == wpm->current_partner_compid) && (wpa.target_system == mavlink_system.sysid /*&& wpa.target_component == mavlink_wpm_comp_id*/)) {
- wpm->timestamp_lastaction = now;
-
- if (wpm->current_state == MAVLINK_WPM_STATE_SENDLIST || wpm->current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS) {
- if (wpm->current_wp_id == wpm->size - 1) {
-
- wpm->current_state = MAVLINK_WPM_STATE_IDLE;
- wpm->current_wp_id = 0;
- }
- }
-
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: curr partner id mismatch");
- if (verbose) warnx("REJ. WP CMD: curr partner id mismatch");
- }
-
- break;
- }
-
- case MAVLINK_MSG_ID_MISSION_SET_CURRENT: {
- mavlink_mission_set_current_t wpc;
- mavlink_msg_mission_set_current_decode(msg, &wpc);
-
- if (wpc.target_system == mavlink_system.sysid /*&& wpc.target_component == mavlink_wpm_comp_id*/) {
- wpm->timestamp_lastaction = now;
-
- if (wpm->current_state == MAVLINK_WPM_STATE_IDLE) {
- if (wpc.seq < wpm->size) {
-
- mission.current_index = wpc.seq;
- publish_mission();
-
- mavlink_wpm_send_waypoint_current(wpc.seq);
-
- } else {
- mavlink_missionlib_send_gcs_string("IGN WP CURR CMD: Not in list");
- if (verbose) warnx("IGN WP CURR CMD: Not in list");
- }
-
- } else {
- mavlink_missionlib_send_gcs_string("IGN WP CURR CMD: Busy");
- if (verbose) warnx("IGN WP CURR CMD: Busy");
-
- }
-
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch");
- if (verbose) warnx("REJ. WP CMD: target id mismatch");
- }
-
- break;
- }
-
- case MAVLINK_MSG_ID_MISSION_REQUEST_LIST: {
- mavlink_mission_request_list_t wprl;
- mavlink_msg_mission_request_list_decode(msg, &wprl);
-
- if (wprl.target_system == mavlink_system.sysid /*&& wprl.target_component == mavlink_wpm_comp_id*/) {
- wpm->timestamp_lastaction = now;
-
- if (wpm->current_state == MAVLINK_WPM_STATE_IDLE || wpm->current_state == MAVLINK_WPM_STATE_SENDLIST) {
- if (wpm->size > 0) {
-
- wpm->current_state = MAVLINK_WPM_STATE_SENDLIST;
- wpm->current_wp_id = 0;
- wpm->current_partner_sysid = msg->sysid;
- wpm->current_partner_compid = msg->compid;
-
- } else {
- if (verbose) warnx("No waypoints send");
- }
-
- wpm->current_count = wpm->size;
- mavlink_wpm_send_waypoint_count(msg->sysid, msg->compid, wpm->current_count);
-
- } else {
- mavlink_missionlib_send_gcs_string("IGN REQUEST LIST: Busy");
- if (verbose) warnx("IGN REQUEST LIST: Busy");
- }
- } else {
- mavlink_missionlib_send_gcs_string("REJ. REQUEST LIST: target id mismatch");
- if (verbose) warnx("REJ. REQUEST LIST: target id mismatch");
- }
-
- break;
- }
-
- case MAVLINK_MSG_ID_MISSION_REQUEST: {
- mavlink_mission_request_t wpr;
- mavlink_msg_mission_request_decode(msg, &wpr);
-
- if (msg->sysid == wpm->current_partner_sysid && msg->compid == wpm->current_partner_compid && wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_wpm_comp_id*/) {
- wpm->timestamp_lastaction = now;
-
- if (wpr.seq >= wpm->size) {
-
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: Req. WP not in list");
- if (verbose) warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because the requested waypoint ID (%u) was out of bounds.", wpr.seq);
- break;
- }
-
- /*
- * Ensure that we are in the correct state and that the first request has id 0
- * and the following requests have either the last id (re-send last waypoint) or last_id+1 (next waypoint)
- */
- if (wpm->current_state == MAVLINK_WPM_STATE_SENDLIST) {
-
- if (wpr.seq == 0) {
- if (verbose) warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u from %u changing state to MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid);
- wpm->current_state = MAVLINK_WPM_STATE_SENDLIST_SENDWPS;
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: First id != 0");
- if (verbose) warnx("REJ. WP CMD: First id != 0");
- break;
- }
-
- } else if (wpm->current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS) {
-
- if (wpr.seq == wpm->current_wp_id) {
-
- if (verbose) warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u (again) from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid);
-
- } else if (wpr.seq == wpm->current_wp_id + 1) {
-
- if (verbose) warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_REQUEST of waypoint %u from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS", wpr.seq, msg->sysid);
-
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: Req. WP was unexpected");
- if (verbose) warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because the requested waypoint ID (%u) was not the expected (%u or %u).", wpr.seq, wpm->current_wp_id, wpm->current_wp_id + 1);
- break;
- }
-
- } else {
-
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy");
- if (verbose) warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST because i'm doing something else already (state=%i).", wpm->current_state);
- break;
- }
-
- wpm->current_wp_id = wpr.seq;
- wpm->current_state = MAVLINK_WPM_STATE_SENDLIST_SENDWPS;
-
- if (wpr.seq < wpm->size) {
-
- mavlink_wpm_send_waypoint(wpm->current_partner_sysid, wpm->current_partner_compid,wpm->current_wp_id);
-
- } else {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ERROR);
- if (verbose) warnx("ERROR: Waypoint %u out of bounds", wpr.seq);
- }
-
-
- } else {
- //we we're target but already communicating with someone else
- if ((wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_wpm_comp_id*/) && !(msg->sysid == wpm->current_partner_sysid && msg->compid == wpm->current_partner_compid)) {
-
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy");
- if (verbose) warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_REQUEST from ID %u because i'm already talking to ID %u.", msg->sysid, wpm->current_partner_sysid);
-
- } else {
-
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch");
- if (verbose) warnx("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH");
- }
- }
- break;
- }
-
- case MAVLINK_MSG_ID_MISSION_COUNT: {
- mavlink_mission_count_t wpc;
- mavlink_msg_mission_count_decode(msg, &wpc);
-
- if (wpc.target_system == mavlink_system.sysid/* && wpc.target_component == mavlink_wpm_comp_id*/) {
- wpm->timestamp_lastaction = now;
-
- if (wpm->current_state == MAVLINK_WPM_STATE_IDLE) {
-
- if (wpc.count > NUM_MISSIONS_SUPPORTED) {
- if (verbose) warnx("Too many waypoints: %d, supported: %d", wpc.count, NUM_MISSIONS_SUPPORTED);
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_NO_SPACE);
- break;
- }
-
- if (wpc.count == 0) {
- mavlink_missionlib_send_gcs_string("COUNT 0");
- if (verbose) warnx("got waypoint count of 0, clearing waypoint list and staying in state MAVLINK_WPM_STATE_IDLE");
- break;
- }
-
- if (verbose) warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_COUNT (%u) from %u changing state to MAVLINK_WPM_STATE_GETLIST", wpc.count, msg->sysid);
-
- wpm->current_state = MAVLINK_WPM_STATE_GETLIST;
- wpm->current_wp_id = 0;
- wpm->current_partner_sysid = msg->sysid;
- wpm->current_partner_compid = msg->compid;
- wpm->current_count = wpc.count;
-
- mavlink_wpm_send_waypoint_request(wpm->current_partner_sysid, wpm->current_partner_compid, wpm->current_wp_id);
-
- } else if (wpm->current_state == MAVLINK_WPM_STATE_GETLIST) {
-
- if (wpm->current_wp_id == 0) {
- mavlink_missionlib_send_gcs_string("WP CMD OK AGAIN");
- if (verbose) warnx("Got MAVLINK_MSG_ID_MISSION_ITEM_COUNT (%u) again from %u", wpc.count, msg->sysid);
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: Busy");
- if (verbose) warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM_COUNT because i'm already receiving waypoint %u.", wpm->current_wp_id);
- }
- } else {
- mavlink_missionlib_send_gcs_string("IGN MISSION_COUNT CMD: Busy");
- if (verbose) warnx("IGN MISSION_COUNT CMD: Busy");
- }
- } else {
-
- mavlink_missionlib_send_gcs_string("REJ. WP COUNT CMD: target id mismatch");
- if (verbose) warnx("IGNORED WAYPOINT COUNT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH");
- }
- }
- break;
-
- case MAVLINK_MSG_ID_MISSION_ITEM: {
- mavlink_mission_item_t wp;
- mavlink_msg_mission_item_decode(msg, &wp);
-
- if (wp.target_system == mavlink_system.sysid && wp.target_component == mavlink_wpm_comp_id) {
-
- wpm->timestamp_lastaction = now;
-
- /*
- * ensure that we are in the correct state and that the first waypoint has id 0
- * and the following waypoints have the correct ids
- */
-
- if (wpm->current_state == MAVLINK_WPM_STATE_GETLIST) {
-
- if (wp.seq != 0) {
- mavlink_missionlib_send_gcs_string("Ignored MISSION_ITEM WP not 0");
- warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the first waypoint ID (%u) was not 0.", wp.seq);
- break;
- }
- } else if (wpm->current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS) {
-
- if (wp.seq >= wpm->current_count) {
- mavlink_missionlib_send_gcs_string("Ignored MISSION_ITEM WP out of bounds");
- warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the waypoint ID (%u) was out of bounds.", wp.seq);
- break;
- }
-
- if (wp.seq != wpm->current_wp_id) {
- warnx("Ignored MAVLINK_MSG_ID_MISSION_ITEM because the waypoint ID (%u) was not the expected %u.", wp.seq, wpm->current_wp_id);
- mavlink_wpm_send_waypoint_request(wpm->current_partner_sysid, wpm->current_partner_compid, wpm->current_wp_id);
- break;
- }
- }
-
- wpm->current_state = MAVLINK_WPM_STATE_GETLIST_GETWPS;
-
- struct mission_item_s mission_item;
-
- int ret = map_mavlink_mission_item_to_mission_item(&wp, &mission_item);
-
- if (ret != OK) {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, ret);
- wpm->current_state = MAVLINK_WPM_STATE_IDLE;
- break;
- }
-
- ssize_t len = sizeof(struct mission_item_s);
-
- dm_item_t dm_next;
-
- if (wpm->current_dataman_id == 0) {
- dm_next = DM_KEY_WAYPOINTS_OFFBOARD_1;
- mission.dataman_id = 1;
- } else {
- dm_next = DM_KEY_WAYPOINTS_OFFBOARD_0;
- mission.dataman_id = 0;
- }
-
- if (dm_write(dm_next, wp.seq, DM_PERSIST_IN_FLIGHT_RESET, &mission_item, len) != len) {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ERROR);
- wpm->current_state = MAVLINK_WPM_STATE_IDLE;
- break;
- }
-
- if (wp.current) {
- mission.current_index = wp.seq;
- }
-
- wpm->current_wp_id = wp.seq + 1;
-
- if (wpm->current_wp_id == wpm->current_count && wpm->current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS) {
-
- if (verbose) warnx("Got all %u waypoints, changing state to MAVLINK_WPM_STATE_IDLE", wpm->current_count);
-
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ACCEPTED);
-
- mission.count = wpm->current_count;
-
- publish_mission();
-
- wpm->current_dataman_id = mission.dataman_id;
- wpm->size = wpm->current_count;
-
- wpm->current_state = MAVLINK_WPM_STATE_IDLE;
-
- } else {
- mavlink_wpm_send_waypoint_request(wpm->current_partner_sysid, wpm->current_partner_compid, wpm->current_wp_id);
- }
-
- } else {
- mavlink_missionlib_send_gcs_string("REJ. WP CMD: target id mismatch");
- if (verbose) warnx("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH");
- }
-
- break;
- }
-
- case MAVLINK_MSG_ID_MISSION_CLEAR_ALL: {
- mavlink_mission_clear_all_t wpca;
- mavlink_msg_mission_clear_all_decode(msg, &wpca);
-
- if (wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_wpm_comp_id */) {
-
- if (wpm->current_state == MAVLINK_WPM_STATE_IDLE) {
- wpm->timestamp_lastaction = now;
-
- wpm->size = 0;
-
- /* prepare mission topic */
- mission.dataman_id = -1;
- mission.count = 0;
- mission.current_index = -1;
- publish_mission();
-
- if (dm_clear(DM_KEY_WAYPOINTS_OFFBOARD_0) == OK && dm_clear(DM_KEY_WAYPOINTS_OFFBOARD_1) == OK) {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ACCEPTED);
- } else {
- mavlink_wpm_send_waypoint_ack(wpm->current_partner_sysid, wpm->current_partner_compid, MAV_MISSION_ERROR);
- }
-
-
- } else {
- mavlink_missionlib_send_gcs_string("IGN WP CLEAR CMD: Busy");
- if (verbose) warnx("IGN WP CLEAR CMD: Busy");
- }
-
-
- } else if (wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_wpm_comp_id */ && wpm->current_state != MAVLINK_WPM_STATE_IDLE) {
-
- mavlink_missionlib_send_gcs_string("REJ. WP CLERR CMD: target id mismatch");
- if (verbose) warnx("IGNORED WAYPOINT CLEAR COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH");
- }
-
- break;
- }
-
- default: {
- /* other messages might should get caught by mavlink and others */
- break;
- }
- }
-}