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Diffstat (limited to 'src/modules/mavlink/mavlink_mission.cpp')
| -rw-r--r-- | src/modules/mavlink/mavlink_mission.cpp | 828 |
1 files changed, 828 insertions, 0 deletions
diff --git a/src/modules/mavlink/mavlink_mission.cpp b/src/modules/mavlink/mavlink_mission.cpp new file mode 100644 index 000000000..068774c47 --- /dev/null +++ b/src/modules/mavlink/mavlink_mission.cpp @@ -0,0 +1,828 @@ +/**************************************************************************** + * + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. + * + * 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 mavlink_mission.cpp + * MAVLink mission manager implementation. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + * @author Julian Oes <joes@student.ethz.ch> + * @author Anton Babushkin <anton.babushkin@me.com> + */ + +#include "mavlink_mission.h" +#include "mavlink_main.h" + +#include <math.h> +#include <lib/geo/geo.h> +#include <systemlib/err.h> +#include <drivers/drv_hrt.h> + +#include <dataman/dataman.h> +#include <uORB/topics/mission.h> +#include <uORB/topics/mission_result.h> + +/* oddly, ERROR is not defined for c++ */ +#ifdef ERROR +# undef ERROR +#endif +static const int ERROR = -1; + + +MavlinkMissionManager::MavlinkMissionManager(Mavlink *mavlink) : + _mavlink(mavlink), + _state(MAVLINK_WPM_STATE_IDLE), + _time_last_recv(0), + _time_last_sent(0), + _action_timeout(MAVLINK_MISSION_PROTOCOL_TIMEOUT_DEFAULT), + _retry_timeout(MAVLINK_MISSION_RETRY_TIMEOUT_DEFAULT), + _max_count(DM_KEY_WAYPOINTS_OFFBOARD_0_MAX), + _dataman_id(0), + _count(0), + _current_seq(0), + _transfer_dataman_id(0), + _transfer_count(0), + _transfer_seq(0), + _transfer_current_seq(0), + _transfer_partner_sysid(0), + _transfer_partner_compid(0), + _offboard_mission_sub(-1), + _mission_result_sub(-1), + _offboard_mission_pub(-1), + _slow_rate_limiter(2000000.0f / mavlink->get_rate_mult()), + _verbose(false), + _channel(mavlink->get_channel()), + _comp_id(MAV_COMP_ID_MISSIONPLANNER) +{ + _offboard_mission_sub = orb_subscribe(ORB_ID(offboard_mission)); + _mission_result_sub = orb_subscribe(ORB_ID(mission_result)); + + init_offboard_mission(); +} + +MavlinkMissionManager::~MavlinkMissionManager() +{ + close(_offboard_mission_pub); + close(_mission_result_sub); +} + +void +MavlinkMissionManager::init_offboard_mission() +{ + mission_s mission_state; + if (dm_read(DM_KEY_MISSION_STATE, 0, &mission_state, sizeof(mission_s)) == sizeof(mission_s)) { + _dataman_id = mission_state.dataman_id; + _count = mission_state.count; + _current_seq = mission_state.current_seq; + + warnx("offboard mission init: dataman_id=%d, count=%u, current_seq=%d", _dataman_id, _count, _current_seq); + + } else { + _dataman_id = 0; + _count = 0; + _current_seq = 0; + warnx("offboard mission init: ERROR, reading mission state failed"); + } +} + +/** + * Write new mission state to dataman and publish offboard_mission topic to notify navigator about changes. + */ +int +MavlinkMissionManager::update_active_mission(int dataman_id, unsigned count, int seq) +{ + struct mission_s mission; + + mission.dataman_id = dataman_id; + mission.count = count; + mission.current_seq = seq; + + /* update mission state in dataman */ + int res = dm_write(DM_KEY_MISSION_STATE, 0, DM_PERSIST_POWER_ON_RESET, &mission, sizeof(mission_s)); + + if (res == sizeof(mission_s)) { + /* update active mission state */ + _dataman_id = dataman_id; + _count = count; + _current_seq = seq; + + /* mission state saved successfully, publish offboard_mission topic */ + if (_offboard_mission_pub < 0) { + _offboard_mission_pub = orb_advertise(ORB_ID(offboard_mission), &mission); + + } else { + orb_publish(ORB_ID(offboard_mission), _offboard_mission_pub, &mission); + } + + return OK; + + } else { + warnx("ERROR: can't save mission state"); + _mavlink->send_statustext(MAV_SEVERITY_CRITICAL, "ERROR: can't save mission state"); + + return ERROR; + } +} + +void +MavlinkMissionManager::send_mission_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_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wpa); + _mavlink->send_message(&msg); + + if (_verbose) { warnx("WPM: Send MISSION_ACK type %u to ID %u", wpa.type, wpa.target_system); } +} + + +void +MavlinkMissionManager::send_mission_current(uint16_t seq) +{ + if (seq < _count) { + mavlink_message_t msg; + mavlink_mission_current_t wpc; + + wpc.seq = seq; + + mavlink_msg_mission_current_encode_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wpc); + _mavlink->send_message(&msg); + + } else if (seq == 0 && _count == 0) { + /* don't broadcast if no WPs */ + + } else { + if (_verbose) { warnx("WPM: Send MISSION_CURRENT ERROR: seq %u out of bounds", seq); } + + _mavlink->send_statustext_critical("ERROR: wp index out of bounds"); + } +} + + +void +MavlinkMissionManager::send_mission_count(uint8_t sysid, uint8_t compid, uint16_t count) +{ + _time_last_sent = hrt_absolute_time(); + + mavlink_message_t msg; + mavlink_mission_count_t wpc; + + wpc.target_system = sysid; + wpc.target_component = compid; + wpc.count = _count; + + mavlink_msg_mission_count_encode_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wpc); + _mavlink->send_message(&msg); + + if (_verbose) { warnx("WPM: Send MISSION_COUNT %u to ID %u", wpc.count, wpc.target_system); } +} + + +void +MavlinkMissionManager::send_mission_item(uint8_t sysid, uint8_t compid, uint16_t seq) +{ + dm_item_t dm_item = DM_KEY_WAYPOINTS_OFFBOARD(_dataman_id); + struct mission_item_s mission_item; + + if (dm_read(dm_item, seq, &mission_item, sizeof(struct mission_item_s)) == sizeof(struct mission_item_s)) { + _time_last_sent = hrt_absolute_time(); + + /* create mission_item_s from mavlink_mission_item_t */ + mavlink_mission_item_t wp; + format_mavlink_mission_item(&mission_item, &wp); + + mavlink_message_t msg; + wp.target_system = sysid; + wp.target_component = compid; + wp.seq = seq; + wp.current = (_current_seq == seq) ? 1 : 0; + mavlink_msg_mission_item_encode_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wp); + _mavlink->send_message(&msg); + + if (_verbose) { warnx("WPM: Send MISSION_ITEM seq %u to ID %u", wp.seq, wp.target_system); } + + } else { + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + _mavlink->send_statustext_critical("Unable to read from micro SD"); + + if (_verbose) { warnx("WPM: Send MISSION_ITEM ERROR: could not read seq %u from dataman ID %i", seq, _dataman_id); } + } +} + + +void +MavlinkMissionManager::send_mission_request(uint8_t sysid, uint8_t compid, uint16_t seq) +{ + if (seq < _max_count) { + _time_last_sent = hrt_absolute_time(); + + 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_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wpr); + _mavlink->send_message(&msg); + + if (_verbose) { warnx("WPM: Send MISSION_REQUEST seq %u to ID %u", wpr.seq, wpr.target_system); } + + } else { + _mavlink->send_statustext_critical("ERROR: Waypoint index exceeds list capacity"); + + if (_verbose) { warnx("WPM: Send MISSION_REQUEST ERROR: seq %u exceeds list capacity", seq); } + } +} + + +void +MavlinkMissionManager::send_mission_item_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_chan(mavlink_system.sysid, _comp_id, _channel, &msg, &wp_reached); + _mavlink->send_message(&msg); + + if (_verbose) { warnx("WPM: Send MISSION_ITEM_REACHED reached_seq %u", wp_reached.seq); } +} + + +void +MavlinkMissionManager::eventloop() +{ + hrt_abstime now = hrt_absolute_time(); + + bool updated = false; + orb_check(_mission_result_sub, &updated); + + if (updated) { + mission_result_s mission_result; + orb_copy(ORB_ID(mission_result), _mission_result_sub, &mission_result); + + _current_seq = mission_result.seq_current; + + if (_verbose) { warnx("WPM: got mission result, new current_seq: %d", _current_seq); } + + if (mission_result.reached) { + send_mission_item_reached((uint16_t)mission_result.seq_reached); + } + + send_mission_current(_current_seq); + + } else { + if (_slow_rate_limiter.check(now)) { + send_mission_current(_current_seq); + } + } + + /* check for timed-out operations */ + if (_state != MAVLINK_WPM_STATE_IDLE && hrt_elapsed_time(&_time_last_recv) > _action_timeout) { + _mavlink->send_statustext_critical("Operation timeout"); + + if (_verbose) { warnx("WPM: Last operation (state=%u) timed out, changing state to MAVLINK_WPM_STATE_IDLE", _state); } + + _state = MAVLINK_WPM_STATE_IDLE; + + } else if (_state == MAVLINK_WPM_STATE_GETLIST && hrt_elapsed_time(&_time_last_sent) > _retry_timeout) { + /* try to request item again after timeout */ + send_mission_request(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq); + + } else if (_state == MAVLINK_WPM_STATE_SENDLIST && hrt_elapsed_time(&_time_last_sent) > _retry_timeout) { + if (_transfer_seq == 0) { + /* try to send items count again after timeout */ + send_mission_count(_transfer_partner_sysid, _transfer_partner_compid, _transfer_count); + + } else { + /* try to send item again after timeout */ + send_mission_item(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq - 1); + } + } +} + + +void +MavlinkMissionManager::handle_message(const mavlink_message_t *msg) +{ + switch (msg->msgid) { + case MAVLINK_MSG_ID_MISSION_ACK: + handle_mission_ack(msg); + break; + + case MAVLINK_MSG_ID_MISSION_SET_CURRENT: + handle_mission_set_current(msg); + break; + + case MAVLINK_MSG_ID_MISSION_REQUEST_LIST: + handle_mission_request_list(msg); + break; + + case MAVLINK_MSG_ID_MISSION_REQUEST: + handle_mission_request(msg); + break; + + case MAVLINK_MSG_ID_MISSION_COUNT: + handle_mission_count(msg); + break; + + case MAVLINK_MSG_ID_MISSION_ITEM: + handle_mission_item(msg); + break; + + case MAVLINK_MSG_ID_MISSION_CLEAR_ALL: + handle_mission_clear_all(msg); + break; + + default: + break; + } +} + + +void +MavlinkMissionManager::handle_mission_ack(const mavlink_message_t *msg) +{ + mavlink_mission_ack_t wpa; + mavlink_msg_mission_ack_decode(msg, &wpa); + + if (wpa.target_system == mavlink_system.sysid /*&& wpa.target_component == mavlink_wpm_comp_id*/) { + if ((msg->sysid == _transfer_partner_sysid && msg->compid == _transfer_partner_compid)) { + if (_state == MAVLINK_WPM_STATE_SENDLIST) { + _time_last_recv = hrt_absolute_time(); + + if (_transfer_seq == _count) { + if (_verbose) { warnx("WPM: MISSION_ACK OK all items sent, switch to state IDLE"); } + + } else { + _mavlink->send_statustext_critical("WPM: ERR: not all items sent -> IDLE"); + + if (_verbose) { warnx("WPM: MISSION_ACK ERROR: not all items sent, switch to state IDLE anyway"); } + } + + _state = MAVLINK_WPM_STATE_IDLE; + } + + } else { + _mavlink->send_statustext_critical("REJ. WP CMD: partner id mismatch"); + + if (_verbose) { warnx("WPM: MISSION_ACK ERROR: rejected, partner ID mismatch"); } + } + } +} + + +void +MavlinkMissionManager::handle_mission_set_current(const mavlink_message_t *msg) +{ + 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*/) { + if (_state == MAVLINK_WPM_STATE_IDLE) { + _time_last_recv = hrt_absolute_time(); + + if (wpc.seq < _count) { + if (update_active_mission(_dataman_id, _count, wpc.seq) == OK) { + if (_verbose) { warnx("WPM: MISSION_SET_CURRENT seq=%d OK", wpc.seq); } + + } else { + if (_verbose) { warnx("WPM: MISSION_SET_CURRENT seq=%d ERROR", wpc.seq); } + + _mavlink->send_statustext_critical("WPM: WP CURR CMD: Error setting ID"); + } + + } else { + if (_verbose) { warnx("WPM: MISSION_SET_CURRENT seq=%d ERROR: not in list", wpc.seq); } + + _mavlink->send_statustext_critical("WPM: WP CURR CMD: Not in list"); + } + + } else { + if (_verbose) { warnx("WPM: MISSION_SET_CURRENT ERROR: busy"); } + + _mavlink->send_statustext_critical("WPM: IGN WP CURR CMD: Busy"); + } + } +} + + +void +MavlinkMissionManager::handle_mission_request_list(const mavlink_message_t *msg) +{ + 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*/) { + if (_state == MAVLINK_WPM_STATE_IDLE || _state == MAVLINK_WPM_STATE_SENDLIST) { + _time_last_recv = hrt_absolute_time(); + + if (_count > 0) { + _state = MAVLINK_WPM_STATE_SENDLIST; + _transfer_seq = 0; + _transfer_count = _count; + _transfer_partner_sysid = msg->sysid; + _transfer_partner_compid = msg->compid; + + if (_verbose) { warnx("WPM: MISSION_REQUEST_LIST OK, %u mission items to send", _transfer_count); } + + } else { + if (_verbose) { warnx("WPM: MISSION_REQUEST_LIST OK nothing to send, mission is empty"); } + + _mavlink->send_statustext_info("WPM: mission is empty"); + } + + send_mission_count(msg->sysid, msg->compid, _count); + + } else { + if (_verbose) { warnx("WPM: MISSION_REQUEST_LIST ERROR: busy"); } + + _mavlink->send_statustext_critical("IGN REQUEST LIST: Busy"); + } + } +} + + +void +MavlinkMissionManager::handle_mission_request(const mavlink_message_t *msg) +{ + mavlink_mission_request_t wpr; + mavlink_msg_mission_request_decode(msg, &wpr); + + if (wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_wpm_comp_id*/) { + if (msg->sysid == _transfer_partner_sysid && msg->compid == _transfer_partner_compid) { + if (_state == MAVLINK_WPM_STATE_SENDLIST) { + _time_last_recv = hrt_absolute_time(); + + /* _transfer_seq contains sequence of expected request */ + if (wpr.seq == _transfer_seq && _transfer_seq < _transfer_count) { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST seq %u from ID %u", wpr.seq, msg->sysid); } + + _transfer_seq++; + + } else if (wpr.seq == _transfer_seq - 1) { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST seq %u from ID %u (again)", wpr.seq, msg->sysid); } + + } else { + if (_transfer_seq > 0 && _transfer_seq < _transfer_count) { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: seq %u from ID %u unexpected, must be %i or %i", wpr.seq, msg->sysid, _transfer_seq - 1, _transfer_seq); } + + } else if (_transfer_seq <= 0) { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: seq %u from ID %u unexpected, must be %i", wpr.seq, msg->sysid, _transfer_seq); } + + } else { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: seq %u from ID %u unexpected, must be %i", wpr.seq, msg->sysid, _transfer_seq - 1); } + } + + _state = MAVLINK_WPM_STATE_IDLE; + + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + _mavlink->send_statustext_critical("WPM: REJ. CMD: Req. WP was unexpected"); + return; + } + + /* double check bounds in case of items count changed */ + if (wpr.seq < _count) { + send_mission_item(_transfer_partner_sysid, _transfer_partner_compid, wpr.seq); + + } else { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: seq %u out of bound [%u, %u]", (unsigned)wpr.seq, (unsigned)wpr.seq, (unsigned)_count - 1); } + + _state = MAVLINK_WPM_STATE_IDLE; + + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + _mavlink->send_statustext_critical("WPM: REJ. CMD: Req. WP was unexpected"); + } + + } else if (_state == MAVLINK_WPM_STATE_IDLE) { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: no transfer"); } + + _mavlink->send_statustext_critical("IGN MISSION_ITEM_REQUEST: No active transfer"); + + } else { + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: busy (state %d).", _state); } + + _mavlink->send_statustext_critical("WPM: REJ. CMD: Busy"); + } + + } else { + _mavlink->send_statustext_critical("WPM: REJ. CMD: partner id mismatch"); + + if (_verbose) { warnx("WPM: MISSION_ITEM_REQUEST ERROR: rejected, partner ID mismatch"); } + } + } +} + + +void +MavlinkMissionManager::handle_mission_count(const mavlink_message_t *msg) +{ + 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*/) { + if (_state == MAVLINK_WPM_STATE_IDLE) { + _time_last_recv = hrt_absolute_time(); + + if (wpc.count > _max_count) { + if (_verbose) { warnx("WPM: MISSION_COUNT ERROR: too many waypoints (%d), supported: %d", wpc.count, _max_count); } + + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_NO_SPACE); + return; + } + + if (wpc.count == 0) { + if (_verbose) { warnx("WPM: MISSION_COUNT 0, clearing waypoints list and staying in state MAVLINK_WPM_STATE_IDLE"); } + + /* alternate dataman ID anyway to let navigator know about changes */ + update_active_mission(_dataman_id == 0 ? 1 : 0, 0, 0); + _mavlink->send_statustext_info("WPM: COUNT 0: CLEAR MISSION"); + + // TODO send ACK? + return; + } + + if (_verbose) { warnx("WPM: MISSION_COUNT %u from ID %u, changing state to MAVLINK_WPM_STATE_GETLIST", wpc.count, msg->sysid); } + + _state = MAVLINK_WPM_STATE_GETLIST; + _transfer_seq = 0; + _transfer_partner_sysid = msg->sysid; + _transfer_partner_compid = msg->compid; + _transfer_count = wpc.count; + _transfer_dataman_id = _dataman_id == 0 ? 1 : 0; // use inactive storage for transmission + _transfer_current_seq = -1; + + } else if (_state == MAVLINK_WPM_STATE_GETLIST) { + _time_last_recv = hrt_absolute_time(); + + if (_transfer_seq == 0) { + /* looks like our MISSION_REQUEST was lost, try again */ + if (_verbose) { warnx("WPM: MISSION_COUNT %u from ID %u (again)", wpc.count, msg->sysid); } + + _mavlink->send_statustext_info("WP CMD OK TRY AGAIN"); + + } else { + if (_verbose) { warnx("WPM: MISSION_COUNT ERROR: busy, already receiving seq %u", _transfer_seq); } + + _mavlink->send_statustext_critical("WPM: REJ. CMD: Busy"); + return; + } + + } else { + if (_verbose) { warnx("WPM: MISSION_COUNT ERROR: busy, state %i", _state); } + + _mavlink->send_statustext_critical("WPM: IGN MISSION_COUNT: Busy"); + return; + } + + send_mission_request(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq); + } +} + + +void +MavlinkMissionManager::handle_mission_item(const mavlink_message_t *msg) +{ + mavlink_mission_item_t wp; + mavlink_msg_mission_item_decode(msg, &wp); + + if (wp.target_system == mavlink_system.sysid && wp.target_component == _comp_id) { + if (_state == MAVLINK_WPM_STATE_GETLIST) { + _time_last_recv = hrt_absolute_time(); + + if (wp.seq != _transfer_seq) { + if (_verbose) { warnx("WPM: MISSION_ITEM ERROR: seq %u was not the expected %u", wp.seq, _transfer_seq); } + + /* don't send request here, it will be performed in eventloop after timeout */ + return; + } + + } else if (_state == MAVLINK_WPM_STATE_IDLE) { + if (_verbose) { warnx("WPM: MISSION_ITEM ERROR: no transfer"); } + + _mavlink->send_statustext_critical("IGN MISSION_ITEM: No transfer"); + return; + + } else { + if (_verbose) { warnx("WPM: MISSION_ITEM ERROR: busy, state %i", _state); } + + _mavlink->send_statustext_critical("IGN MISSION_ITEM: Busy"); + return; + } + + struct mission_item_s mission_item; + int ret = parse_mavlink_mission_item(&wp, &mission_item); + + if (ret != OK) { + if (_verbose) { warnx("WPM: MISSION_ITEM ERROR: seq %u invalid item", wp.seq); } + + _mavlink->send_statustext_critical("IGN MISSION_ITEM: Busy"); + + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, ret); + _state = MAVLINK_WPM_STATE_IDLE; + return; + } + + dm_item_t dm_item = DM_KEY_WAYPOINTS_OFFBOARD(_transfer_dataman_id); + + if (dm_write(dm_item, wp.seq, DM_PERSIST_POWER_ON_RESET, &mission_item, sizeof(struct mission_item_s)) != sizeof(struct mission_item_s)) { + if (_verbose) { warnx("WPM: MISSION_ITEM ERROR: error writing seq %u to dataman ID %i", wp.seq, _transfer_dataman_id); } + + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + _mavlink->send_statustext_critical("Unable to write on micro SD"); + _state = MAVLINK_WPM_STATE_IDLE; + return; + } + + /* waypoint marked as current */ + if (wp.current) { + _transfer_current_seq = wp.seq; + } + + if (_verbose) { warnx("WPM: MISSION_ITEM seq %u received", wp.seq); } + + _transfer_seq = wp.seq + 1; + + if (_transfer_seq == _transfer_count) { + /* got all new mission items successfully */ + if (_verbose) { warnx("WPM: MISSION_ITEM got all %u items, current_seq=%u, changing state to MAVLINK_WPM_STATE_IDLE", _transfer_count, _transfer_current_seq); } + + _mavlink->send_statustext_info("WPM: Transfer complete."); + + _state = MAVLINK_WPM_STATE_IDLE; + + if (update_active_mission(_transfer_dataman_id, _transfer_count, _transfer_current_seq) == OK) { + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ACCEPTED); + + } else { + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + } + + } else { + /* request next item */ + send_mission_request(_transfer_partner_sysid, _transfer_partner_compid, _transfer_seq); + } + } +} + + +void +MavlinkMissionManager::handle_mission_clear_all(const mavlink_message_t *msg) +{ + 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 (_state == MAVLINK_WPM_STATE_IDLE) { + /* don't touch mission items storage itself, but only items count in mission state */ + _time_last_recv = hrt_absolute_time(); + + if (update_active_mission(_dataman_id == 0 ? 1 : 0, 0, 0) == OK) { + if (_verbose) { warnx("WPM: CLEAR_ALL OK"); } + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ACCEPTED); + + } else { + send_mission_ack(_transfer_partner_sysid, _transfer_partner_compid, MAV_MISSION_ERROR); + } + + } else { + _mavlink->send_statustext_critical("WPM: IGN CLEAR CMD: Busy"); + + if (_verbose) { warnx("WPM: CLEAR_ALL IGNORED: busy"); } + } + } +} + +int +MavlinkMissionManager::parse_mavlink_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->param1; + break; + case MAV_CMD_DO_JUMP: + mission_item->do_jump_mission_index = mavlink_mission_item->param1; + mission_item->do_jump_current_count = 0; + mission_item->do_jump_repeat_count = mavlink_mission_item->param2; + break; + default: + mission_item->acceptance_radius = mavlink_mission_item->param2; + mission_item->time_inside = mavlink_mission_item->param1; + 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 = (NAV_CMD)mavlink_mission_item->command; + + mission_item->autocontinue = mavlink_mission_item->autocontinue; + // mission_item->index = mavlink_mission_item->seq; + mission_item->origin = ORIGIN_MAVLINK; + + /* reset DO_JUMP count */ + mission_item->do_jump_current_count = 0; + + return MAV_MISSION_ACCEPTED; +} + + +int +MavlinkMissionManager::format_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->param1 = mission_item->pitch_min; + break; + + case NAV_CMD_DO_JUMP: + mavlink_mission_item->param1 = mission_item->do_jump_mission_index; + mavlink_mission_item->param2 = mission_item->do_jump_repeat_count; + break; + + default: + mavlink_mission_item->param2 = mission_item->acceptance_radius; + mavlink_mission_item->param1 = mission_item->time_inside; + 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->autocontinue = mission_item->autocontinue; + // mavlink_mission_item->seq = mission_item->index; + + return OK; +} |