camera_interface.h

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/**
 * @file camera_interface.h
 */

#pragma once

#include <parameters/param.h>
#include <px4_platform_common/log.h>

#define arraySize(a) (sizeof((a))/sizeof(((a)[0])))

class CameraInterface
{
public:

    /**
     * Constructor
     */
    CameraInterface();

    /**
     * Destructor.
     */
    virtual ~CameraInterface() = default;

    /**
     * trigger the camera
     * @param enable
     */
    virtual void trigger(bool trigger_on_true) {}

    /**
     * send command to turn the camera on/off
     * @param enable
     */
    virtual void send_toggle_power(bool enable) {}

    /**
     * send command to prevent the camera from sleeping
     * @param enable
     */
    virtual void send_keep_alive(bool enable) {}

    /**
     * Display info.
     */
    virtual void info() {}

    /**
     * Checks if the interface has support for
     * camera power control
     * @return true if power control is supported
     */
    virtual bool has_power_control() { return false; }

    /**
     * Checks if the camera connected to the interface
     * is turned on.
     * @return true if camera is on
     */
    virtual bool is_powered_on() { return true; }

protected:

    /**
     * setup the interface
     */
    virtual void setup() {}

    /**
     * get the hardware configuration
     */
    void get_pins();

    param_t _p_pin;

    int _pins[6];

};