ardupilot/libraries/AP_Mount/AP_Mount_Gremsy.h

84 lines
3.3 KiB
C++

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