mirror of https://github.com/ArduPilot/ardupilot
84 lines
3.3 KiB
C++
84 lines
3.3 KiB
C++
/*
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Gremsy mount backend class
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*/
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#pragma once
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#include "AP_Mount_Backend.h"
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#ifndef HAL_MOUNT_GREMSY_ENABLED
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#define HAL_MOUNT_GREMSY_ENABLED (HAL_MOUNT_ENABLED && !HAL_MINIMIZE_FEATURES && BOARD_FLASH_SIZE > 1024)
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#endif
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#if HAL_MOUNT_GREMSY_ENABLED
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#include <AP_HAL/AP_HAL.h>
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#include <AP_AHRS/AP_AHRS.h>
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#include <AP_Math/AP_Math.h>
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#include <AP_Common/AP_Common.h>
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#include <GCS_MAVLink/GCS_MAVLink.h>
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class AP_Mount_Gremsy : public AP_Mount_Backend
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{
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public:
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// Constructor
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AP_Mount_Gremsy(AP_Mount &frontend, AP_Mount::mount_state &state, uint8_t instance);
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// init
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void init() override {}
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// update mount position
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void update() override;
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// return true if healthy
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bool healthy() const override;
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// has_pan_control
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bool has_pan_control() const override { return true; }
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// send_mount_status
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void send_mount_status(mavlink_channel_t chan) override;
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// handle GIMBAL_DEVICE_INFORMATION message
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void handle_gimbal_device_information(const mavlink_message_t &msg) override;
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// handle GIMBAL_DEVICE_ATTITUDE_STATUS message
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void handle_gimbal_device_attitude_status(const mavlink_message_t &msg) override;
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private:
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// search for gimbal in GCS_MAVLink routing table
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void find_gimbal();
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// request GIMBAL_DEVICE_INFORMATION from gimbal (holds vendor and model name, max lean angles)
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void request_gimbal_device_information() const;
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// start sending ATTITUDE and AUTOPILOT_STATE_FOR_GIMBAL_DEVICE to gimbal
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// returns true on success, false on failure to start sending
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bool start_sending_attitude_to_gimbal();
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// send GIMBAL_DEVICE_SET_ATTITUDE to gimbal to command gimbal to retract (aka relax)
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void send_gimbal_device_retract() const;
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// send GIMBAL_DEVICE_SET_ATTITUDE to gimbal to control rate
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// earth_frame should be true if yaw_rads target is an earth frame rate, false if body_frame
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void send_gimbal_device_set_rate(float roll_rads, float pitch_rads, float yaw_rads, bool earth_frame) const;
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// send GIMBAL_DEVICE_SET_ATTITUDE to gimbal to control attitude
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// earth_frame should be true if yaw_rad target is an earth frame angle, false if body_frame
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void send_gimbal_device_set_attitude(float roll_rad, float pitch_rad, float yaw_rad, bool earth_frame) const;
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// internal variables
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bool _found_gimbal; // true once a MAVLink enabled gimbal has been found
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bool _got_device_info; // true once gimbal has provided device info
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bool _initialised; // true once the gimbal has provided a GIMBAL_DEVICE_INFORMATION
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uint32_t _last_devinfo_req_ms; // system time that GIMBAL_DEVICE_INFORMATION was last requested (used to throttle requests)
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mavlink_channel_t _chan; // mavlink channel used to communicate with gimbal
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uint8_t _sysid; // sysid of gimbal
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uint8_t _compid; // component id of gimbal
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mavlink_gimbal_device_attitude_status_t _gimbal_device_attitude_status; // copy of most recently received gimbal status
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uint32_t _last_attitude_status_ms; // system time last attitude status was received (used for health reporting)
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uint32_t _sent_gimbal_device_attitude_status_ms; // time_boot_ms field of gimbal_device_status message last forwarded to the GCS (used to prevent sending duplicates)
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};
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#endif // HAL_MOUNT_GREMSY_ENABLED
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