mirror of https://github.com/ArduPilot/ardupilot
103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
/// @file AP_Rally.h
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/// @brief Handles rally point storage, retrieval and lookup
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/*
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* The AP_Rally library:
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*
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* Initial implementation: Michael Day, September 2013
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* Moved to AP_Rally lib: Andrew Chapman April 2014
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*
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* - responsible for managing a list of rally points
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* - reads and writes the rally points to storage
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* - provides access to the rally points, including logic to find the nearest one
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*
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*/
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#pragma once
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#include "AP_Rally_config.h"
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#if HAL_RALLY_ENABLED
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#include <AP_HAL/AP_HAL_Boards.h>
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#include <AP_Common/AP_Common.h>
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#include <AP_Common/Location.h>
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#include <AP_Param/AP_Param.h>
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struct PACKED RallyLocation {
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int32_t lat; //Latitude * 10^7
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int32_t lng; //Longitude * 10^7
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int16_t alt; //transit altitude (and loiter altitude) in meters (absolute);
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int16_t break_alt; //when autolanding, break out of loiter at this alt (meters)
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uint16_t land_dir; //when the time comes to auto-land, try to land in this direction (centidegrees)
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uint8_t flags; //bit 0 = seek favorable winds when choosing a landing poi
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//bit 1 = do auto land after arriving
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//all other bits are for future use.
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};
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/// @class AP_Rally
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/// @brief Object managing Rally Points
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class AP_Rally {
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public:
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AP_Rally();
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/* Do not allow copies */
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CLASS_NO_COPY(AP_Rally);
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// data handling
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bool get_rally_point_with_index(uint8_t i, RallyLocation &ret) const;
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bool set_rally_point_with_index(uint8_t i, const RallyLocation &rallyLoc);
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uint8_t get_rally_total() const {
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return (uint8_t)_rally_point_total_count;
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}
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uint8_t get_rally_max(void) const {
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const uint16_t ret = _storage.size() / uint16_t(sizeof(RallyLocation));
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if (ret > 255) {
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return 255;
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}
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return (uint8_t)ret;
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}
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// reduce point count:
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void truncate(uint8_t num);
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// append a rally point to the list
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bool append(const RallyLocation &loc) WARN_IF_UNUSED;
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float get_rally_limit_km() const { return _rally_limit_km; }
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Location rally_location_to_location(const RallyLocation &ret) const;
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// logic handling
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Location calc_best_rally_or_home_location(const Location ¤t_loc, float rtl_home_alt_amsl_cm) const;
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bool find_nearest_rally_point(const Location &myloc, RallyLocation &ret) const;
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// last time rally points changed
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uint32_t last_change_time_ms(void) const { return _last_change_time_ms; }
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// parameter block
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static const struct AP_Param::GroupInfo var_info[];
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// get singleton instance
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static AP_Rally *get_singleton() { return _singleton; }
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private:
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static AP_Rally *_singleton;
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virtual bool is_valid(const Location &rally_point) const { return true; }
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static StorageAccess _storage;
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// parameters
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AP_Int8 _rally_point_total_count;
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AP_Float _rally_limit_km;
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AP_Int8 _rally_incl_home;
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uint32_t _last_change_time_ms = 0xFFFFFFFF;
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};
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namespace AP {
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AP_Rally *rally();
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};
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#endif // HAL_RALLY_ENABLED
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