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ardupilot/libraries/GCS_MAVLink/missionlib/waypoints.c

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/*******************************************************************************
Copyright (C) 2011 Lorenz Meier lm ( a t ) inf.ethz.ch
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "waypoints.h"
#include <math.h>
bool debug = true;
bool verbose = true;
extern mavlink_system_t mavlink_system;
extern mavlink_wpm_storage wpm;
extern void mavlink_wpm_send_message(mavlink_message_t* msg);
extern void mavlink_wpm_send_gcs_string(const char* string);
extern uint64_t mavlink_wpm_get_system_timestamp();
#define MAVLINK_WPM_NO_PRINTF
void mavlink_wpm_init(mavlink_wpm_storage* state)
{
// Set all waypoints to zero
// Set count to zero
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->delay_setpoint = MAVLINK_WPM_SETPOINT_DELAY_DEFAULT;
state->idle = false; ///< indicates if the system is following the waypoints or is waiting
state->current_active_wp_id = -1; ///< id of current waypoint
state->yaw_reached = false; ///< boolean for yaw attitude reached
state->pos_reached = false; ///< boolean for position reached
state->timestamp_lastoutside_orbit = 0;///< timestamp when the MAV was last outside the orbit or had the wrong yaw value
state->timestamp_firstinside_orbit = 0;///< timestamp when the MAV was the first time after a waypoint change inside the orbit and had the correct yaw value
}
/*
* @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_waypoint_ack_t wpa;
wpa.target_system = wpm.current_partner_sysid;
wpa.target_component = wpm.current_partner_compid;
wpa.type = type;
mavlink_msg_waypoint_ack_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &wpa);
mavlink_wpm_send_message(&msg);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
if (MAVLINK_WPM_TEXT_FEEDBACK)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("Sent waypoint ACK");
#else
if (MAVLINK_WPM_VERBOSE) printf("Sent waypoint ack (%u) to ID %u\n", wpa.type, wpa.target_system);
#endif
mavlink_wpm_send_gcs_string("Sent waypoint ACK");
}
}
/*
* @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_waypoint_t *cur = &(wpm.waypoints[seq]);
mavlink_message_t msg;
mavlink_waypoint_current_t wpc;
wpc.seq = cur->seq;
mavlink_msg_waypoint_current_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &wpc);
mavlink_wpm_send_message(&msg);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("Broadcasted new current waypoint\n"); //// printf("Broadcasted new current waypoint %u\n", wpc.seq);
}
else
{
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("ERROR: index out of bounds\n");
}
}
/*
* @brief Directs the MAV to fly to a position
*
* 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_setpoint(uint16_t seq)
{
if(seq < wpm.size)
{
mavlink_waypoint_t *cur = &(wpm.waypoints[seq]);
mavlink_message_t msg;
mavlink_local_position_setpoint_set_t position_control_set_point;
// Send new NED or ENU setpoint to onbaord autopilot
if (cur->frame == MAV_FRAME_LOCAL_NED || cur->frame == MAV_FRAME_LOCAL_ENU)
{
position_control_set_point.target_system = mavlink_system.sysid;
position_control_set_point.target_component = MAV_COMP_ID_IMU;
position_control_set_point.x = cur->x;
position_control_set_point.y = cur->y;
position_control_set_point.z = cur->z;
position_control_set_point.yaw = cur->param4;
mavlink_msg_local_position_setpoint_set_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &position_control_set_point);
mavlink_wpm_send_message(&msg);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
}
else
{
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("No new setpoint set because of invalid coordinate frame of waypoint");//// if (verbose) // printf("No new set point sent to IMU because the new waypoint %u had no local coordinates\n", cur->seq);
}
wpm.timestamp_last_send_setpoint = mavlink_wpm_get_system_timestamp();
}
else
{
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("ERROR: Waypoint index out of bounds\n"); //// if (verbose) // printf("ERROR: index out of bounds\n");
}
}
void mavlink_wpm_send_waypoint_count(uint8_t sysid, uint8_t compid, uint16_t count)
{
mavlink_message_t msg;
mavlink_waypoint_count_t wpc;
wpc.target_system = wpm.current_partner_sysid;
wpc.target_component = wpm.current_partner_compid;
wpc.count = count;
mavlink_msg_waypoint_count_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &wpc);
mavlink_wpm_send_message(&msg);
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("Sent waypoint count"); //// if (verbose) // printf("Sent waypoint count (%u) to ID %u\n", wpc.count, wpc.target_system);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
}
void mavlink_wpm_send_waypoint(uint8_t sysid, uint8_t compid, uint16_t seq)
{
if (seq < wpm.size)
{
mavlink_message_t msg;
mavlink_waypoint_t *wp = &(wpm.waypoints[seq]);
wp->target_system = wpm.current_partner_sysid;
wp->target_component = wpm.current_partner_compid;
mavlink_msg_waypoint_encode(mavlink_system.sysid, mavlink_system.compid, &msg, wp);
mavlink_wpm_send_message(&msg);
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("Sent waypoint"); //// if (verbose) // printf("Sent waypoint %u to ID %u\n", wp->seq, wp->target_system);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
}
else
{
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("ERROR: Waypoint index out of bounds\n");
}
}
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_waypoint_request_t wpr;
wpr.target_system = wpm.current_partner_sysid;
wpr.target_component = wpm.current_partner_compid;
wpr.seq = seq;
mavlink_msg_waypoint_request_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &wpr);
mavlink_wpm_send_message(&msg);
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("Sent waypoint request"); //// if (verbose) // printf("Sent waypoint request %u to ID %u\n", wpr.seq, wpr.target_system);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
}
else
{
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("ERROR: Waypoint index exceeds list capacity\n");
}
}
/*
* @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_waypoint_reached_t wp_reached;
wp_reached.seq = seq;
mavlink_msg_waypoint_reached_encode(mavlink_system.sysid, mavlink_system.compid, &msg, &wp_reached);
mavlink_wpm_send_message(&msg);
if (MAVLINK_WPM_TEXT_FEEDBACK) mavlink_wpm_send_gcs_string("Sent waypoint reached message"); //// if (verbose) // printf("Sent waypoint %u reached message\n", wp_reached.seq);
// FIXME TIMING usleep(paramClient->getParamValue("PROTOCOLDELAY"));
}
//float mavlink_wpm_distance_to_segment(uint16_t seq, float x, float y, float z)
//{
// if (seq < wpm.size)
// {
// mavlink_waypoint_t *cur = waypoints->at(seq);
//
// const PxVector3 A(cur->x, cur->y, cur->z);
// const PxVector3 C(x, y, z);
//
// // seq not the second last waypoint
// if ((uint16_t)(seq+1) < wpm.size)
// {
// mavlink_waypoint_t *next = waypoints->at(seq+1);
// const PxVector3 B(next->x, next->y, next->z);
// const float r = (B-A).dot(C-A) / (B-A).lengthSquared();
// if (r >= 0 && r <= 1)
// {
// const PxVector3 P(A + r*(B-A));
// return (P-C).length();
// }
// else if (r < 0.f)
// {
// return (C-A).length();
// }
// else
// {
// return (C-B).length();
// }
// }
// else
// {
// return (C-A).length();
// }
// }
// else
// {
// // if (verbose) // printf("ERROR: index out of bounds\n");
// }
// return -1.f;
//}
float mavlink_wpm_distance_to_point(uint16_t seq, float x, float y, float z)
{
// if (seq < wpm.size)
// {
// mavlink_waypoint_t *cur = waypoints->at(seq);
//
// const PxVector3 A(cur->x, cur->y, cur->z);
// const PxVector3 C(x, y, z);
//
// return (C-A).length();
// }
// else
// {
// // if (verbose) // printf("ERROR: index out of bounds\n");
// }
return -1.f;
}
void mavlink_wpm_message_handler(const mavlink_message_t* msg)
{
// Handle param messages
//paramClient->handleMAVLinkPacket(msg);
//check for timed-out operations
uint64_t now = mavlink_wpm_get_system_timestamp();
if (now-wpm.timestamp_lastaction > wpm.timeout && wpm.current_state != MAVLINK_WPM_STATE_IDLE)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("Operation timeout switching -> IDLE");
#else
if (MAVLINK_WPM_VERBOSE) printf("Last operation (state=%u) timed out, changing state to MAVLINK_WPM_STATE_IDLE\n", wpm.current_state);
#endif
wpm.current_state = MAVLINK_WPM_STATE_IDLE;
wpm.current_count = 0;
wpm.current_partner_sysid = 0;
wpm.current_partner_compid = 0;
wpm.current_wp_id = -1;
if(wpm.size == 0)
{
wpm.current_active_wp_id = -1;
}
}
if(now-wpm.timestamp_last_send_setpoint > wpm.delay_setpoint && wpm.current_active_wp_id < wpm.size)
{
mavlink_wpm_send_setpoint(wpm.current_active_wp_id);
}
switch(msg->msgid)
{
case MAVLINK_MSG_ID_ATTITUDE:
{
if(msg->sysid == mavlink_system.sysid && wpm.current_active_wp_id < wpm.size)
{
mavlink_waypoint_t *wp = &(wpm.waypoints[wpm.current_active_wp_id]);
if(wp->frame == MAV_FRAME_LOCAL_ENU || wp->frame == MAV_FRAME_LOCAL_NED)
{
mavlink_attitude_t att;
mavlink_msg_attitude_decode(msg, &att);
float yaw_tolerance = wpm.accept_range_yaw;
//compare current yaw
if (att.yaw - yaw_tolerance >= 0.0f && att.yaw + yaw_tolerance < 2.f*M_PI)
{
if (att.yaw - yaw_tolerance <= wp->param4 && att.yaw + yaw_tolerance >= wp->param4)
wpm.yaw_reached = true;
}
else if(att.yaw - yaw_tolerance < 0.0f)
{
float lowerBound = 360.0f + att.yaw - yaw_tolerance;
if (lowerBound < wp->param4 || wp->param4 < att.yaw + yaw_tolerance)
wpm.yaw_reached = true;
}
else
{
float upperBound = att.yaw + yaw_tolerance - 2.f*M_PI;
if (att.yaw - yaw_tolerance < wp->param4 || wp->param4 < upperBound)
wpm.yaw_reached = true;
}
}
}
break;
}
case MAVLINK_MSG_ID_LOCAL_POSITION:
{
if(msg->sysid == mavlink_system.sysid && wpm.current_active_wp_id < wpm.size)
{
mavlink_waypoint_t *wp = &(wpm.waypoints[wpm.current_active_wp_id]);
if(wp->frame == MAV_FRAME_LOCAL_ENU || MAV_FRAME_LOCAL_NED)
{
mavlink_local_position_t pos;
mavlink_msg_local_position_decode(msg, &pos);
//// if (debug) // printf("Received new position: x: %f | y: %f | z: %f\n", pos.x, pos.y, pos.z);
wpm.pos_reached = false;
// compare current position (given in message) with current waypoint
float orbit = wp->param1;
float dist;
if (wp->param2 == 0)
{
// FIXME segment distance
//dist = mavlink_wpm_distance_to_segment(current_active_wp_id, pos.x, pos.y, pos.z);
}
else
{
dist = mavlink_wpm_distance_to_point(wpm.current_active_wp_id, pos.x, pos.y, pos.z);
}
if (dist >= 0.f && dist <= orbit && wpm.yaw_reached)
{
wpm.pos_reached = true;
}
}
}
break;
}
// case MAVLINK_MSG_ID_CMD: // special action from ground station
// {
// mavlink_cmd_t action;
// mavlink_msg_cmd_decode(msg, &action);
// if(action.target == mavlink_system.sysid)
// {
// // if (verbose) std::cerr << "Waypoint: received message with action " << action.action << std::endl;
// switch (action.action)
// {
// // case MAV_ACTION_LAUNCH:
// // // if (verbose) std::cerr << "Launch received" << std::endl;
// // current_active_wp_id = 0;
// // if (wpm.size>0)
// // {
// // setActive(waypoints[current_active_wp_id]);
// // }
// // else
// // // if (verbose) std::cerr << "No launch, waypointList empty" << std::endl;
// // break;
//
// // case MAV_ACTION_CONTINUE:
// // // if (verbose) std::c
// // err << "Continue received" << std::endl;
// // idle = false;
// // setActive(waypoints[current_active_wp_id]);
// // break;
//
// // case MAV_ACTION_HALT:
// // // if (verbose) std::cerr << "Halt received" << std::endl;
// // idle = true;
// // break;
//
// // default:
// // // if (verbose) std::cerr << "Unknown action received with id " << action.action << ", no action taken" << std::endl;
// // break;
// }
// }
// break;
// }
case MAVLINK_MSG_ID_WAYPOINT_ACK:
{
mavlink_waypoint_ack_t wpa;
mavlink_msg_waypoint_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_system.compid*/))
{
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)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("Got last WP ACK state -> IDLE");
#else
if (MAVLINK_WPM_VERBOSE) printf("Received ACK after having sent last waypoint, going to state MAVLINK_WPM_STATE_IDLE\n");
#endif
wpm.current_state = MAVLINK_WPM_STATE_IDLE;
wpm.current_wp_id = 0;
}
}
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: curr partner id mismatch");
#else
if (MAVLINK_WPM_VERBOSE) printf("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH\n");
#endif
}
break;
}
case MAVLINK_MSG_ID_WAYPOINT_SET_CURRENT:
{
mavlink_waypoint_set_current_t wpc;
mavlink_msg_waypoint_set_current_decode(msg, &wpc);
if(wpc.target_system == mavlink_system.sysid /*&& wpc.target_component == mavlink_system.compid*/)
{
wpm.timestamp_lastaction = now;
if (wpm.current_state == MAVLINK_WPM_STATE_IDLE)
{
if (wpc.seq < wpm.size)
{
// if (verbose) // printf("Received MAVLINK_MSG_ID_WAYPOINT_SET_CURRENT\n");
wpm.current_active_wp_id = wpc.seq;
uint32_t i;
for(i = 0; i < wpm.size; i++)
{
if (i == wpm.current_active_wp_id)
{
wpm.waypoints[i].current = true;
}
else
{
wpm.waypoints[i].current = false;
}
}
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("NEW WP SET");
#else
if (MAVLINK_WPM_VERBOSE) printf("New current waypoint %u\n", wpm.current_active_wp_id);
#endif
wpm.yaw_reached = false;
wpm.pos_reached = false;
mavlink_wpm_send_waypoint_current(wpm.current_active_wp_id);
mavlink_wpm_send_setpoint(wpm.current_active_wp_id);
wpm.timestamp_firstinside_orbit = 0;
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("IGN WP CURR CMD: Not in list");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_SET_CURRENT: Index out of bounds\n");
#endif
}
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("IGN WP CURR CMD: Busy");
#else
if (MAVLINK_WPM_VERBOSE) printf("IGNORED WAYPOINT COMMAND BECAUSE NOT IN IDLE STATE\n");
#endif
}
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: target id mismatch");
#else
if (MAVLINK_WPM_VERBOSE) printf("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH\n");
#endif
}
break;
}
case MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST:
{
mavlink_waypoint_request_list_t wprl;
mavlink_msg_waypoint_request_list_decode(msg, &wprl);
if(wprl.target_system == mavlink_system.sysid /*&& wprl.target_component == mavlink_system.compid*/)
{
wpm.timestamp_lastaction = now;
if (wpm.current_state == MAVLINK_WPM_STATE_IDLE || wpm.current_state == MAVLINK_WPM_STATE_SENDLIST)
{
if (wpm.size > 0)
{
if (verbose && wpm.current_state == MAVLINK_WPM_STATE_IDLE) // printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST from %u changing state to MAVLINK_WPM_STATE_SENDLIST\n", msg->sysid);
if (verbose && wpm.current_state == MAVLINK_WPM_STATE_SENDLIST) // printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST again from %u staying in state MAVLINK_WPM_STATE_SENDLIST\n", msg->sysid);
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) // printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST from %u but have no waypoints, staying in \n", msg->sysid);
}
wpm.current_count = wpm.size;
mavlink_wpm_send_waypoint_count(msg->sysid,msg->compid, wpm.current_count);
}
else
{
// if (verbose) // printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST_LIST because i'm doing something else already (state=%i).\n", wpm.current_state);
}
}
else
{
// if (verbose) // printf("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT MISMATCH\n");
}
break;
}
case MAVLINK_MSG_ID_WAYPOINT_REQUEST:
{
mavlink_waypoint_request_t wpr;
mavlink_msg_waypoint_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_system.compid*/)
{
wpm.timestamp_lastaction = now;
//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 && wpr.seq == 0) || (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS && (wpr.seq == wpm.current_wp_id || wpr.seq == wpm.current_wp_id + 1) && wpr.seq < wpm.size))
{
if (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("GOT WP REQ, state -> SEND");
#else
if (MAVLINK_WPM_VERBOSE) printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST of waypoint %u from %u changing state to MAVLINK_WPM_STATE_SENDLIST_SENDWPS\n", wpr.seq, msg->sysid);
#endif
}
if (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS && wpr.seq == wpm.current_wp_id + 1)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("GOT 2nd WP REQ");
#else
if (MAVLINK_WPM_VERBOSE) printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST of waypoint %u from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS\n", wpr.seq, msg->sysid);
#endif
}
if (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS && wpr.seq == wpm.current_wp_id)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("GOT 2nd WP REQ");
#else
if (MAVLINK_WPM_VERBOSE) printf("Got MAVLINK_MSG_ID_WAYPOINT_REQUEST of waypoint %u (again) from %u staying in state MAVLINK_WPM_STATE_SENDLIST_SENDWPS\n", wpr.seq, msg->sysid);
#endif
}
wpm.current_state = MAVLINK_WPM_STATE_SENDLIST_SENDWPS;
wpm.current_wp_id = wpr.seq;
mavlink_wpm_send_waypoint(wpm.current_partner_sysid, wpm.current_partner_compid, wpr.seq);
}
else
{
// if (verbose)
{
if (!(wpm.current_state == MAVLINK_WPM_STATE_SENDLIST || wpm.current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS))
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Busy");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST because i'm doing something else already (state=%i).\n", wpm.current_state);
#endif
break;
}
else if (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST)
{
if (wpr.seq != 0)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: First id != 0");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST because the first requested waypoint ID (%u) was not 0.\n", wpr.seq);
#endif
}
}
else if (wpm.current_state == MAVLINK_WPM_STATE_SENDLIST_SENDWPS)
{
if (wpr.seq != wpm.current_wp_id && wpr.seq != wpm.current_wp_id + 1)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Req. WP was unexpected");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST because the requested waypoint ID (%u) was not the expected (%u or %u).\n", wpr.seq, wpm.current_wp_id, wpm.current_wp_id+1);
#endif
}
else if (wpr.seq >= wpm.size)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Req. WP not in list");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST because the requested waypoint ID (%u) was out of bounds.\n", wpr.seq);
#endif
}
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: ?");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST - FIXME: missed error description\n");
#endif
}
}
}
}
else
{
//we we're target but already communicating with someone else
if((wpr.target_system == mavlink_system.sysid /*&& wpr.target_component == mavlink_system.compid*/) && !(msg->sysid == wpm.current_partner_sysid && msg->compid == wpm.current_partner_compid))
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Busy");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_REQUEST from ID %u because i'm already talking to ID %u.\n", msg->sysid, wpm.current_partner_sysid);
#endif
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: target id mismatch");
#else
if (MAVLINK_WPM_VERBOSE) printf("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH\n");
#endif
}
}
break;
}
case MAVLINK_MSG_ID_WAYPOINT_COUNT:
{
mavlink_waypoint_count_t wpc;
mavlink_msg_waypoint_count_decode(msg, &wpc);
if(wpc.target_system == mavlink_system.sysid/* && wpc.target_component == mavlink_system.compid*/)
{
wpm.timestamp_lastaction = now;
if (wpm.current_state == MAVLINK_WPM_STATE_IDLE || (wpm.current_state == MAVLINK_WPM_STATE_GETLIST && wpm.current_wp_id == 0))
{
if (wpc.count > 0)
{
if (wpm.current_state == MAVLINK_WPM_STATE_IDLE)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("WP CMD OK: state -> GETLIST");
#else
if (MAVLINK_WPM_VERBOSE) printf("Got MAVLINK_MSG_ID_WAYPOINT_COUNT (%u) from %u changing state to MAVLINK_WPM_STATE_GETLIST\n", wpc.count, msg->sysid);
#endif
}
if (wpm.current_state == MAVLINK_WPM_STATE_GETLIST)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("WP CMD OK AGAIN");
#else
if (MAVLINK_WPM_VERBOSE) printf("Got MAVLINK_MSG_ID_WAYPOINT_COUNT (%u) again from %u\n", wpc.count, msg->sysid);
#endif
}
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;
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("CLR RCV BUF: READY");
#else
if (MAVLINK_WPM_VERBOSE) printf("clearing receive buffer and readying for receiving waypoints\n");
#endif
wpm.rcv_size = 0;
//while(waypoints_receive_buffer->size() > 0)
// {
// delete waypoints_receive_buffer->back();
// waypoints_receive_buffer->pop_back();
// }
mavlink_wpm_send_waypoint_request(wpm.current_partner_sysid, wpm.current_partner_compid, wpm.current_wp_id);
}
else if (wpc.count == 0)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("COUNT 0");
#else
if (MAVLINK_WPM_VERBOSE) printf("got waypoint count of 0, clearing waypoint list and staying in state MAVLINK_WPM_STATE_IDLE\n");
#endif
wpm.rcv_size = 0;
//while(waypoints_receive_buffer->size() > 0)
// {
// delete waypoints->back();
// waypoints->pop_back();
// }
wpm.current_active_wp_id = -1;
wpm.yaw_reached = false;
wpm.pos_reached = false;
break;
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("IGN WP CMD");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignoring MAVLINK_MSG_ID_WAYPOINT_COUNT from %u with count of %u\n", msg->sysid, wpc.count);
#endif
}
}
else
{
if (!(wpm.current_state == MAVLINK_WPM_STATE_IDLE || wpm.current_state == MAVLINK_WPM_STATE_GETLIST))
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Busy");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_COUNT because i'm doing something else already (state=%i).\n", wpm.current_state);
#endif
}
else if (wpm.current_state == MAVLINK_WPM_STATE_GETLIST && wpm.current_wp_id != 0)
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: Busy");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_COUNT because i'm already receiving waypoint %u.\n", wpm.current_wp_id);
#endif
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: ?");
#else
if (MAVLINK_WPM_VERBOSE) printf("Ignored MAVLINK_MSG_ID_WAYPOINT_COUNT - FIXME: missed error description\n");
#endif
}
}
}
else
{
#ifdef MAVLINK_WPM_NO_PRINTF
mavlink_wpm_send_gcs_string("REJ. WP CMD: target id mismatch");
#else
if (MAVLINK_WPM_VERBOSE) printf("IGNORED WAYPOINT COMMAND BECAUSE TARGET SYSTEM AND COMPONENT OR COMM PARTNER ID MISMATCH\n");
#endif
}
}
break;
case MAVLINK_MSG_ID_WAYPOINT:
{
mavlink_waypoint_t wp;
mavlink_msg_waypoint_decode(msg, &wp);
// if (verbose) // printf("GOT WAYPOINT!");
if((msg->sysid == wpm.current_partner_sysid && msg->compid == wpm.current_partner_compid) && (wp.target_system == mavlink_system.sysid /*&& wp.target_component == mavlink_system.compid*/))
{
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 && wp.seq == 0) || (wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS && wp.seq == wpm.current_wp_id && wp.seq < wpm.current_count))
{
if (verbose && wpm.current_state == MAVLINK_WPM_STATE_GETLIST) // printf("Got MAVLINK_MSG_ID_WAYPOINT %u from %u changing state to MAVLINK_WPM_STATE_GETLIST_GETWPS\n", wp.seq, msg->sysid);
if (verbose && wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS && wp.seq == wpm.current_wp_id) // printf("Got MAVLINK_MSG_ID_WAYPOINT %u from %u\n", wp.seq, msg->sysid);
if (verbose && wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS && wp.seq-1 == wpm.current_wp_id) // printf("Got MAVLINK_MSG_ID_WAYPOINT %u (again) from %u\n", wp.seq, msg->sysid);
wpm.current_state = MAVLINK_WPM_STATE_GETLIST_GETWPS;
mavlink_waypoint_t* newwp = &(wpm.rcv_waypoints[wp.seq]);
memcpy(newwp, &wp, sizeof(mavlink_waypoint_t));
wpm.current_wp_id = wp.seq + 1;
// if (verbose) // printf ("Added new waypoint to list. X= %f\t Y= %f\t Z= %f\t Yaw= %f\n", newwp->x, newwp->y, newwp->z, newwp->param4);
if(wpm.current_wp_id == wpm.current_count && wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS)
{
// if (verbose) // printf("Got all %u waypoints, changing state to MAVLINK_WPM_STATE_IDLE\n", wpm.current_count);
mavlink_wpm_send_waypoint_ack(wpm.current_partner_sysid, wpm.current_partner_compid, 0);
if (wpm.current_active_wp_id > wpm.rcv_size-1)
{
wpm.current_active_wp_id = wpm.rcv_size-1;
}
// switch the waypoints list
// FIXME CHECK!!!
for (int i = 0; i < wpm.current_count; ++i)
{
wpm.waypoints[i] = wpm.rcv_waypoints[i];
}
wpm.size = wpm.current_count;
//get the new current waypoint
uint32_t i;
for(i = 0; i < wpm.size; i++)
{
if (wpm.waypoints[i].current == 1)
{
wpm.current_active_wp_id = i;
//// if (verbose) // printf("New current waypoint %u\n", current_active_wp_id);
wpm.yaw_reached = false;
wpm.pos_reached = false;
mavlink_wpm_send_waypoint_current(wpm.current_active_wp_id);
mavlink_wpm_send_setpoint(wpm.current_active_wp_id);
wpm.timestamp_firstinside_orbit = 0;
break;
}
}
if (i == wpm.size)
{
wpm.current_active_wp_id = -1;
wpm.yaw_reached = false;
wpm.pos_reached = false;
wpm.timestamp_firstinside_orbit = 0;
}
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
{
if (wpm.current_state == MAVLINK_WPM_STATE_IDLE)
{
//we're done receiving waypoints, answer with ack.
mavlink_wpm_send_waypoint_ack(wpm.current_partner_sysid, wpm.current_partner_compid, 0);
// printf("Received MAVLINK_MSG_ID_WAYPOINT while state=MAVLINK_WPM_STATE_IDLE, answered with WAYPOINT_ACK.\n");
}
// if (verbose)
{
if (!(wpm.current_state == MAVLINK_WPM_STATE_GETLIST || wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS))
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u because i'm doing something else already (state=%i).\n", wp.seq, wpm.current_state);
break;
}
else if (wpm.current_state == MAVLINK_WPM_STATE_GETLIST)
{
if(!(wp.seq == 0))
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT because the first waypoint ID (%u) was not 0.\n", wp.seq);
}
else
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u - FIXME: missed error description\n", wp.seq);
}
}
else if (wpm.current_state == MAVLINK_WPM_STATE_GETLIST_GETWPS)
{
if (!(wp.seq == wpm.current_wp_id))
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT because the waypoint ID (%u) was not the expected %u.\n", wp.seq, wpm.current_wp_id);
}
else if (!(wp.seq < wpm.current_count))
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT because the waypoint ID (%u) was out of bounds.\n", wp.seq);
}
else
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u - FIXME: missed error description\n", wp.seq);
}
}
else
{
// printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u - FIXME: missed error description\n", wp.seq);
}
}
}
}
else
{
//we we're target but already communicating with someone else
if((wp.target_system == mavlink_system.sysid /*&& wp.target_component == mavlink_system.compid*/) && !(msg->sysid == wpm.current_partner_sysid && msg->compid == wpm.current_partner_compid) && wpm.current_state != MAVLINK_WPM_STATE_IDLE)
{
// if (verbose) // printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u from ID %u because i'm already talking to ID %u.\n", wp.seq, msg->sysid, wpm.current_partner_sysid);
}
else if(wp.target_system == mavlink_system.sysid /* && wp.target_component == mavlink_system.compid*/)
{
// if (verbose) // printf("Ignored MAVLINK_MSG_ID_WAYPOINT %u from ID %u because i have no idea what to do with it\n", wp.seq, msg->sysid);
}
}
break;
}
case MAVLINK_MSG_ID_WAYPOINT_CLEAR_ALL:
{
mavlink_waypoint_clear_all_t wpca;
mavlink_msg_waypoint_clear_all_decode(msg, &wpca);
if(wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_system.compid */ && wpm.current_state == MAVLINK_WPM_STATE_IDLE)
{
wpm.timestamp_lastaction = now;
// if (verbose) // printf("Got MAVLINK_MSG_ID_WAYPOINT_CLEAR_LIST from %u deleting all waypoints\n", msg->sysid);
// Delete all waypoints
wpm.size = 0;
wpm.current_active_wp_id = -1;
wpm.yaw_reached = false;
wpm.pos_reached = false;
}
else if (wpca.target_system == mavlink_system.sysid /*&& wpca.target_component == mavlink_system.compid */ && wpm.current_state != MAVLINK_WPM_STATE_IDLE)
{
// if (verbose) // printf("Ignored MAVLINK_MSG_ID_WAYPOINT_CLEAR_LIST from %u because i'm doing something else already (state=%i).\n", msg->sysid, wpm.current_state);
}
break;
}
default:
{
// if (debug) // printf("Waypoint: received message of unknown type");
break;
}
}
//check if the current waypoint was reached
if (wpm.pos_reached /*wpm.yaw_reached &&*/ && !wpm.idle)
{
if (wpm.current_active_wp_id < wpm.size)
{
mavlink_waypoint_t *cur_wp = &(wpm.waypoints[wpm.current_active_wp_id]);
if (wpm.timestamp_firstinside_orbit == 0)
{
// Announce that last waypoint was reached
// if (verbose) // printf("*** Reached waypoint %u ***\n", cur_wp->seq);
mavlink_wpm_send_waypoint_reached(cur_wp->seq);
wpm.timestamp_firstinside_orbit = now;
}
// check if the MAV was long enough inside the waypoint orbit
//if (now-timestamp_lastoutside_orbit > (cur_wp->hold_time*1000))
if(now-wpm.timestamp_firstinside_orbit >= cur_wp->param2*1000)
{
if (cur_wp->autocontinue)
{
cur_wp->current = 0;
if (wpm.current_active_wp_id == wpm.size - 1 && wpm.size > 1)
{
//the last waypoint was reached, if auto continue is
//activated restart the waypoint list from the beginning
wpm.current_active_wp_id = 1;
}
else
{
if ((uint16_t)(wpm.current_active_wp_id + 1) < wpm.size)
wpm.current_active_wp_id++;
}
// Fly to next waypoint
wpm.timestamp_firstinside_orbit = 0;
mavlink_wpm_send_waypoint_current(wpm.current_active_wp_id);
mavlink_wpm_send_setpoint(wpm.current_active_wp_id);
wpm.waypoints[wpm.current_active_wp_id].current = true;
wpm.pos_reached = false;
wpm.yaw_reached = false;
// if (verbose) // printf("Set new waypoint (%u)\n", wpm.current_active_wp_id);
}
}
}
}
else
{
wpm.timestamp_lastoutside_orbit = now;
}
}
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