ardupilot/libraries/AP_Camera/AP_Camera.h

74 lines
2.9 KiB
C++

// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
/// @file AP_Camera.h
/// @brief Photo or video camera manager, with EEPROM-backed storage of constants.
#ifndef AP_CAMERA_H
#define AP_CAMERA_H
#include <AP_Param.h>
#include <AP_Common.h>
#include <GCS_MAVLink.h>
#include <AP_Relay.h>
#define AP_CAMERA_TRIGGER_TYPE_SERVO 0
#define AP_CAMERA_TRIGGER_TYPE_RELAY 1
#define AP_CAMERA_TRIGGER_DEFAULT_TRIGGER_TYPE AP_CAMERA_TRIGGER_TYPE_SERVO // default is to use servo to trigger camera
#define AP_CAMERA_TRIGGER_DEFAULT_DURATION 10 // default duration servo or relay is held open in 10ths of a second (i.e. 10 = 1 second)
#define AP_CAMERA_SERVO_ON_PWM 1300 // default PWM value to move servo to when shutter is activated
#define AP_CAMERA_SERVO_OFF_PWM 1100 // default PWM value to move servo to when shutter is deactivated
/// @class Camera
/// @brief Object managing a Photo or video camera
class AP_Camera {
public:
/// Constructor
///
AP_Camera(AP_Relay *obj_relay) :
_trigger_counter(0) // count of number of cycles shutter has been held open
{
AP_Param::setup_object_defaults(this, var_info);
_apm_relay = obj_relay;
}
// single entry point to take pictures
void trigger_pic();
// de-activate the trigger after some delay, but without using a delay() function
// should be called at 50hz from main program
void trigger_pic_cleanup();
// MAVLink methods
void configure_msg(mavlink_message_t* msg);
void control_msg(mavlink_message_t* msg);
// set camera trigger distance in a mission
void set_trigger_distance(uint32_t distance_m) { _trigg_dist.set(distance_m); }
// Update location of vehicle and return true if a picture should be taken
bool update_location(const struct Location &loc);
static const struct AP_Param::GroupInfo var_info[];
private:
AP_Int8 _trigger_type; // 0:Servo,1:Relay
AP_Int8 _trigger_duration; // duration in 10ths of a second that the camera shutter is held open
AP_Int16 _servo_on_pwm; // PWM value to move servo to when shutter is activated
AP_Int16 _servo_off_pwm; // PWM value to move servo to when shutter is deactivated
uint8_t _trigger_counter; // count of number of cycles shutter has been held open
AP_Relay *_apm_relay; // pointer to relay object from the base class Relay. The subclasses could be AP_Relay_APM1 or AP_Relay_APM2
void servo_pic(); // Servo operated camera
void relay_pic(); // basic relay activation
AP_Float _trigg_dist; // distance between trigger points (meters)
struct Location _last_location;
};
#endif /* AP_CAMERA_H */