mirror of https://github.com/ArduPilot/ardupilot
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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/// @brief Imposes limits on location (geofence), altitude and other parameters.
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/// Each breach will trigger an action or set of actions to recover. Adapted from geofence.
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/// @author Andrew Tridgell
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/// Andreas Antonopoulos
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#ifndef AP_LIMIT_MODULE_H_
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#define AP_LIMIT_MODULE_H_
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#include <AP_Common.h>
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// The module IDs are defined as powers of 2, to make a bit-field
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enum moduleid {
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AP_LIMITS_NULLMODULE = 0, // not a module - used to set the "zero" value
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AP_LIMITS_GPSLOCK = (1 << 0), // a GPS-lock-required limit
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AP_LIMITS_GEOFENCE = (1 << 1), // fence within a set of coordinates
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AP_LIMITS_ALTITUDE = (1 << 2) // altitude limits
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};
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extern const prog_char_t *get_module_name(enum moduleid i);
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// an integer type big enough to fit a bit field for all modules. We have 3 modules, so 8-bit int is enough.
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typedef uint8_t LimitModuleBits;
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class AP_Limit_Module {
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public:
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AP_Limit_Module(enum moduleid id); // initialize a new module
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bool init(); // initialize self
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virtual moduleid get_module_id();
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virtual bool enabled();
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virtual bool required();
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virtual AP_Limit_Module *next(); // return next module in linked list
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virtual void link(AP_Limit_Module *m); // link the next module in the linked list
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virtual bool triggered(); // trigger check function
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virtual void action(); // recovery action
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protected:
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AP_Int8 _enabled; // often exposed as a MAVLink parameter
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AP_Int8 _required;
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AP_Int8 _triggered;
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private:
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enum moduleid _id;
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AP_Limit_Module *_next;
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};
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#endif /* AP_LIMIT_MODULE_H_ */
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