ardupilot/libraries/AP_HAL_SITL/SITL_State.h

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#pragma once
#include <AP_HAL/AP_HAL.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
#include "AP_HAL_SITL.h"
#include "AP_HAL_SITL_Namespace.h"
#include "HAL_SITL_Class.h"
#include "RCInput.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/udp.h>
#include <arpa/inet.h>
#include <AP_Baro/AP_Baro.h>
#include <AP_InertialSensor/AP_InertialSensor.h>
#include <AP_Compass/AP_Compass.h>
#include <AP_Terrain/AP_Terrain.h>
#include <SITL/SITL.h>
#include <SITL/SITL_Input.h>
#include <SITL/SIM_Gimbal.h>
#include <SITL/SIM_ADSB.h>
#include <SITL/SIM_Vicon.h>
#include <AP_HAL/utility/Socket.h>
class HAL_SITL;
class HALSITL::SITL_State {
friend class HALSITL::Scheduler;
friend class HALSITL::Util;
friend class HALSITL::GPIO;
public:
void init(int argc, char * const argv[]);
enum vehicle_type {
ArduCopter,
APMrover2,
ArduPlane,
ArduSub
};
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int gps_pipe(void);
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int gps2_pipe(void);
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ssize_t gps_read(int fd, void *buf, size_t count);
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uint16_t pwm_output[SITL_NUM_CHANNELS];
uint16_t pwm_input[SITL_RC_INPUT_CHANNELS];
bool output_ready = false;
bool new_rc_input;
void loop_hook(void);
uint16_t base_port(void) const {
return _base_port;
}
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// create a file desciptor attached to a virtual device; type of
// device is given by name parameter
int sim_fd(const char *name, const char *arg);
bool use_rtscts(void) const {
return _use_rtscts;
}
// simulated airspeed, sonar and battery monitor
uint16_t sonar_pin_value; // pin 0
uint16_t airspeed_pin_value; // pin 1
uint16_t airspeed_2_pin_value; // pin 2
uint16_t voltage_pin_value; // pin 13
uint16_t current_pin_value; // pin 12
uint16_t voltage2_pin_value; // pin 15
uint16_t current2_pin_value; // pin 14
// paths for UART devices
const char *_uart_path[7] {
"tcp:0:wait",
"GPS1",
"tcp:2",
"tcp:3",
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"GPS2",
"tcp:5",
"tcp:6",
};
private:
void _parse_command_line(int argc, char * const argv[]);
void _set_param_default(const char *parm);
void _usage(void);
void _sitl_setup(const char *home_str);
void _setup_fdm(void);
void _setup_timer(void);
void _setup_adc(void);
void set_height_agl(void);
void _update_rangefinder(float range_value);
void _set_signal_handlers(void) const;
struct gps_data {
double latitude;
double longitude;
float altitude;
double speedN;
double speedE;
double speedD;
bool have_lock;
};
#define MAX_GPS_DELAY 100
gps_data _gps_data[MAX_GPS_DELAY];
bool _gps_has_basestation_position;
gps_data _gps_basestation_data;
void _gps_write(const uint8_t *p, uint16_t size, uint8_t instance);
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void _gps_send_ubx(uint8_t msgid, uint8_t *buf, uint16_t size, uint8_t instance);
void _update_gps_ubx(const struct gps_data *d, uint8_t instance);
void _update_gps_mtk(const struct gps_data *d, uint8_t instance);
void _update_gps_mtk16(const struct gps_data *d, uint8_t instance);
void _update_gps_mtk19(const struct gps_data *d, uint8_t instance);
uint16_t _gps_nmea_checksum(const char *s);
void _gps_nmea_printf(uint8_t instance, const char *fmt, ...);
void _update_gps_nmea(const struct gps_data *d, uint8_t instance);
void _sbp_send_message(uint16_t msg_type, uint16_t sender_id, uint8_t len, uint8_t *payload, uint8_t instance);
void _update_gps_sbp(const struct gps_data *d, uint8_t instance);
void _update_gps_sbp2(const struct gps_data *d, uint8_t instance);
void _update_gps_file(uint8_t instance);
void _update_gps_nova(const struct gps_data *d, uint8_t instance);
void _nova_send_message(uint8_t *header, uint8_t headerlength, uint8_t *payload, uint8_t payloadlen, uint8_t instance);
uint32_t CRC32Value(uint32_t icrc);
uint32_t CalculateBlockCRC32(uint32_t length, uint8_t *buffer, uint32_t crc);
void _update_gps(double latitude, double longitude, float altitude,
double speedN, double speedE, double speedD, bool have_lock);
void _update_airspeed(float airspeed);
void _update_gps_instance(SITL::SITL::GPSType gps_type, const struct gps_data *d, uint8_t instance);
void _check_rc_input(void);
void _fdm_input_local(void);
void _output_to_flightgear(void);
void _simulator_servos(struct sitl_input &input);
void _simulator_output(bool synthetic_clock_mode);
uint16_t _airspeed_sensor(float airspeed);
uint16_t _ground_sonar();
void _fdm_input_step(void);
void wait_clock(uint64_t wait_time_usec);
// internal state
enum vehicle_type _vehicle;
uint16_t _framerate;
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uint8_t _instance;
uint16_t _base_port;
pid_t _parent_pid;
uint32_t _update_count;
AP_Baro *_barometer;
AP_InertialSensor *_ins;
Scheduler *_scheduler;
Compass *_compass;
#if AP_TERRAIN_AVAILABLE
AP_Terrain *_terrain;
#endif
SocketAPM _sitl_rc_in{true};
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SITL::SITL *_sitl;
uint16_t _rcin_port;
uint16_t _fg_view_port;
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uint16_t _irlock_port;
float _current;
bool _synthetic_clock_mode;
bool _use_rtscts;
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bool _use_fg_view;
const char *_fg_address;
// delay buffer variables
static const uint8_t mag_buffer_length = 250;
static const uint8_t wind_buffer_length = 50;
// magnetometer delay buffer variables
struct readings_mag {
uint32_t time;
Vector3f data;
};
uint8_t store_index_mag;
uint32_t last_store_time_mag;
VectorN<readings_mag,mag_buffer_length> buffer_mag;
uint32_t time_delta_mag;
uint32_t delayed_time_mag;
// airspeed sensor delay buffer variables
struct readings_wind {
uint32_t time;
float data;
};
uint8_t store_index_wind;
uint32_t last_store_time_wind;
VectorN<readings_wind,wind_buffer_length> buffer_wind;
VectorN<readings_wind,wind_buffer_length> buffer_wind_2;
uint32_t time_delta_wind;
uint32_t delayed_time_wind;
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uint32_t wind_start_delay_micros;
// internal SITL model
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SITL::Aircraft *sitl_model;
// simulated gimbal
bool enable_gimbal;
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SITL::Gimbal *gimbal;
// simulated ADSb
SITL::ADSB *adsb;
// simulated vicon system:
SITL::Vicon *vicon;
// output socket for flightgear viewing
SocketAPM fg_socket{true};
const char *defaults_path = HAL_PARAM_DEFAULTS_PATH;
const char *_home_str;
};
#endif // CONFIG_HAL_BOARD == HAL_BOARD_SITL